The URL can be used to link to this page

Browse Search

Home My WebLink About20201288.tiffDEPARTMENT OF PLANNING SERVICES 1555 N 17'" Ave, Greeley. CO 80631 Phone (970) 400-6100 Fax (970) 304-6498 USE BY SPECIAL REVIEW (MINING OPERATION) APPLICATION FOR PLANNING DEPARTMENT USE RECEIPT # /AMOUNT # /$ APPLICATION RECEIVED BY DATE RECEIVED: CASE # ASSIGNED: _ PLANNER ASSIGNED: To be completed by APPLICANT is accordance with procedural guide requirements: 1. I (we). the undersigned, hereby request a hearing before the Weld County Planning Commission concerning a proposed gravel (gravel. coal, borrow pit. etc.) mining operation for the following described unincorporated area of Weld County Legal Description Part of the NE 1/4 , Section 4 , Township 5 North, Range 65 West Flood Plain: Zone AE Zone District: A , Total Acreage -14505 , Overlay District. N/A Geological Hazard: N/A , Airport Overlay District Yes 2. Surface owner(s) of area of land described Global Asset Recovery.LLC 6530 Constitution Dnve Name- Address' Fort Wayne. IN 46804 Phone: Name. Address Phone. 3. Owner(s) of mineral rights or substance to be mined 6530 Constitution Dnve Name: Global Asset Recovery LLC Address. Fort Wayne. IN 46804 Phone: Name: Address: Phone: 4. Applicant's name Broken Arrow Investments. LLC Email Address kahodgel@comcast.net Address: 801 8th Street, Suite 130, Greeley CO 80631 Phone 970-566-5090 5. Identify any prior permits for mining held by applicant or affiliated person. USR 1660, DRMS M-2008-017 I (We) hereby depose and state under penalties of penury that all statements, proposals, and/or plans submitted with or contained within the application are true and correct to the best of my (our)knowledge. Signatures of all fee owners of property must sign this application. If an Authorized Agent signs. a letter of authorization from all fee owners must be included with the application. If a.porporation is the fee owner. notarized evidence must be included indicating that the signatory has to legal a 16 sign fort e corporation. §jgna ure: Ow - .•r • ufl _ • ed Agent Signature. Owner or Authorized Agent Date SPECIAL REVIEW (MINING OPERATION) SUBMITTAL CHECKLIST ITEMS REQUIRED FOR SUBMITTAL X One original application form X One copy of the Special Review plat map (24"X36" see attached page for map requirements) X One digital or electronic copy of completed application materials, if required X One original Special Review Use questionnaire X One copy of document showing evidence of adequate water supply (e.g. commercial well permit or letter from water district). If using a well please complete the attached Water Supply Information Summary X One copy of document showing evidence of adequate sewage disposal (e.g. septic permit or letter from the sanitary sewer district) X One original Certificate of Conveyances form and any attachments, completed within thirty days prior to the X application submission date One copy of Noise Report. if required by the Department of Planning Services X Source of applicant's legal right to enter and to mine on the land described (include certified copy of any X document(s) noted) Copy of DMG permit X Oil and Gas Agreement(s) N/A Ditch/Irrigation Agreement. X One copy of affidavit and certified list of the names, addresses and the corresponding parcel identification number assigned by the Weld County Assessor of the owners' of property (the surface estate) within 500 feet of property being considered. This list shall be compiled from the records of the Weld County Assessor. the Weld County Website, www.co.weld.co.us or a person qualified to do the task, and shall be current as of a date no more than thirty days prior to the date the application is submitted to the Department of Planning Services. N/A Notice of Inquiry if located within an Intergovernmental Agreement (IGA) boundary Application fee $500.00 investigation fee, if required X Drainage Report X Traffic Study X Waste Handling Plan X Dust Abatement Plan X Flood Hazard Development Permit (FHDP) Updated 10/2017 N/A Geologic Hazard Development Permit (GHDP) Special Review plat recording fee ($13.00 first page + $10.00 each additional page) In an effort to increase efficiency and reduce processing time involved in re -binding applications for mailing, all copies shall be collated into complete application packets and bound with binder clips only. All maps are to be folded and included with each individual packet. Applications bound in any fashion other than binder clip (spiral bindings, three ring bindings, etc) generally require additional processing time and may be returned to the applicant without review. 1. The following documents or any other similar documents shall be submitted by the applicant if deemed necessary by the Board of County Commissioners or its duly authorized representative for the protection of the health, safety and welfare of the inhabitants of Weld County. A. Applicant shall submit a copy of the reclamation plans submitted to the State of Colorado Mined Land Reclamation Board. The reclamation plans must include a map showing property boundaries, topography, bodies of water, and access. B. Plans for obtaining water supplies for the mining operation. Water Consumption 1. An analysis of the amount of water which will be required to be replaced for each phase of the mining operation and at build out. 2. The analysis should address the amount of water consumed in the mining and processing of the material including dust suppression. 3. The analysis should address the issue of water consumed for domestic purposes by on -site staff. 4. The analysis should address the issue of evaporative losses consumed from exposed groundwater including a discussion of the feasibility of lining. Water Replacement Source 1. A description of the surface and well water rights and their anticipated yields when converted to be used as replacement for the water consumed in the mining operation. 2. Projections as to the mining of replacements to the river system from these sources. 3. A description of methods proposed to monitor, prevent and mitigate against direct injury to users of wells in the vicinity of the gravel operation as a result of alterations in the groundwater regime occasioned by the mining operation or to said impacts. C. Cross sections of drainage structures (culverts for access to county roads, interior haul roads crossing of ponding or stream channeling). D. Profile and typical cross section of haul roads. DEPARTMENT OF PLANNING SERVICES 1555 N 17th AVE GREELEY, CO 80631 PHONE: (970) 353-6100, Ext. 3540 FAX: (970) 304-6498 AUTHORIZATION FORM l Kelly Hodge - Broken Arrow Investments, i4 resent Global Asset Recovery, LLC for the property (Agent/Applicant) I (Owner) located at NE 1/4 of NE 1 of Section 4, T5N, R65W of 6th P.M. LEGAL DESCRIPTION: SEC 4 TWN 5 N RNG 65 W SUBDIVISION NAME: LOT BLK I can be contacted at the following Home Work (970) 566-5090 Email: kahodge1@comcast.net The property owner can contacted at the following Home Work (800) 253-6253 Email: bob.baker@globalassetrecovery.biz Correspondence emailed to: © Agent/Applicant (Check one) DATE 6/17/19 OWNER'S SIGNATURE (I Property Owner ‘,eetrerzt, &dal/lend° oVoeC ievieteal( Zri DEPARTMENT OF PLANNING SERVICES 1555 N 17m AVE GREELEY, CO 80631 PHONE: (970) 353-6100. Ext. 3540 FAX. (970) 304-6498 AUTHORIZATION FORM I J C York - J&T Consulting Inc. represent Broken Arrow Investments LLC for the property (Agent/Applicant) Owner, located at 960 E C Street. Greeley CO 80631 LEGAL DESCRIPTION: SEC 4 TWN 5 N RNG 65 W SUBDIVISION NAME. LOT BLK I can be contacted at the following Home Work (303) 857-6222 Email tcyork j-tconsulttnq corn The property owner can be contacted at the following Home Work (970) 566-5090 Email kahodgel @comcast net Correspondence ematled to: X Agent/Applicant (Check one) DATE 6/17/19 OWNER'S SIGNATURE r k n Property Owner 41) • - a 4 Amended Use by Special Review (Mining Operation) Questionnaire Responses The following information addresses each section of the Use By Special Review questionnaire and is separated into responses for each specific section. 1. A detailed description of the method of mining operation. The mining process is explained in the attached mining plan and 112 Permit Application that has been approved by the State of Colorado Division of Reclamation, Mining, and Safety. A water truck will be used to treat all on -site areas (haul roads, aggregate processing area, etc.) in order to suppress dust. The types and numbers of structures that will be erected (built) on site including operation and processing equipment to be employed. Aggregate Mining/Processing Facility: The operation will include a dry screen, a crusher. an electrical/control trailer, conveyors. and stacking facilities as shown on the Extraction Plan map. All aggregate will be mined with an excavator, dozer, and/or loader with the raw product being conveyed to the processing facility via haul trucks and/or conveyors. A scale and scale operator trailer are located at the entrance to the aggregate processing facility area. No lighting is currently being used or is anticipated to be used for this processing facility. b. The number of shifts to be worked and the maximum number of employees. Aggregate Mining/Processing Facility: One shift will be worked with a maximum of 6 employees. c. Whether the operation will involve a wet or dry pit. The aggregate mine operation will be conducted as a dry pit. d. County roads and bridges to be utilized, along with site entrance/exit points. (Coordinate with County Engineer). All traffic to and from the site will use State Hwy 263 (8th Street) and County Road 41 1/2 (Balsam Avenue). One entrance to the pit is on County Road 41 1/2 (Balsam Avenue). There will be one entrance to the aggregate processing facility as shown on the Extraction Plan map. An access permit is in place for this entrance. (Access permit No. AP16-00450). All commercial traffic exiting the site will travel south on County Road 41 1/2 to State Hwy 263. All commercial traffic, with the exception of local deliveries. will then proceed west on State Hwy 263 to US Hwy 85 or east on Hwy 263. Commercial traffic entering the site will originate from US Hwy 85 or State Hwy 263. Traffic from US Hwy 85 will travel east on State Hwy 263 to County Road 41 '/2 and north on County Road 41 % to the site entrance. Traffic from State Hwy 263 will travel west on State Hwy 263 to County Road 41 1/2 and north on County Road 41 ' to the site entrance. e. The size of the area and stages to be worked at any one time. LJ&T Consulting, Inc. Broken Arrow Investments. LLC Amended USR Application Use by Special Review (Mining Operation) Amended Use by Special Review (Mining Operation) Questionnaire Responses The area that is included in the permit boundary is 145.05 acres. 75.21 acres within the permit boundary are to be mined and reclaimed. As shown on the Extraction Plan map, the mine will progress in phases, starting with surface mining only in Phase 5a. which will not expose groundwater. 1 to 2 phases will be actively mined at any given point in time after Phase 5a is mined. The phases range in size from approximately 6.81 acres to 17.75 acres. f. A time table giving the periods of time and number of phases to be worked, which will be required for the various phases of the operation. There will be 7 phases of mining. Broken Arrow Investments, LLC anticipates mining and reclaiming the site in approximately 15 to 18 years. Annual production is expected to be between 150.000 and 250.000 tons depending on market demands. This production rate translates to 17 to 28 months of time required to mine each phase. Reclamation will progress concurrently with the mining activity as each phase is completed. g. The depth and thickness of the mineral deposit to be mined and the thickness of overburden to be removed. The final depth of the pit will vary from 70 to 90 feet. Overburden thickness ranges from 2.5 to 7.5 feet throughout the site. The gravel deposit thickness ranges from 0 to 90 feet. See the attached soils investigations by Terracon and Two Rivers Testing for more detailed information. h. The proposed use of reclaimed lands and an explanation of the reclamation process. The mine will be reclaimed as a lined water storage reservoir. The reclamation process is explained in the attached reclamation plan approved by the State of Colorado Division of Reclamation. Mining, and Safety. i. The source of technical advice in that type of reclamation for open cut mining land. The sources of technical advice for this type of reclamation are the West Greeley Soil Conservation Service and J&T Consulting. Inc. 2. A statement which explains how the proposal is consistent with the Weld County Comprehensive Plan. Section 22-5-80 of the Weld County Comprehensive Plan, paragraph A. CM.Goal 1 states "Conserve lands which provide valuable natural mineral deposits for potential future use in accordance with state law." This site contains a valuable commercial deposit of sand and gravel located in the alluvium of the South Platte River which is available for extraction. Paragraph B CM.Goal 2 states "Promote the reasonable and orderly development of mineral resources. There are other mines are within one -quarter mile or less of the site. This indicates that the parcel proposed to be mined in this permit application is in a reasonable area for sand and gravel extraction activities and the orderly development of the resource can occur. 3. A statement which explains how the proposal is consistent with the intent of the district in which the use is located. This site is in the "A" Agricultural Zone District. Section 23-3-40 of the Weld County Code, paragraphs A. 3. and A. 4. list "Open pit MINING and materials processing as "mineral resource development facilities" allowed by obtaining a Use by Special Review permit. The proposed use of the site as an aggregate mine is consistent with this guideline. JET Consulting, Inc. Broken Arrow Investments, LW Amended USR Application Use by Special Review (Mining Operation) Amended Use by Special Review (Mining Operation) Questionnaire Responses 4. If applicable, a statement which explains what efforts have been made, in the location decision for the proposed use, to conserve productive agricultural land in the agricultural zone district. According to the "Important Farmlands of Weld County Colorado" map prepared by the USDA - Soil Conservation Service and Colorado State University Experiment Station, the site is located in the 'Irrigated Land (Prime), "Irrigated Land (Not Prime), and Other Land" categories of farmland. The majority of the permit boundary is within the "Irrigated Land (Not Prime) and Other Land" as indicated on the map. 5. A statement which explains there is adequate provision for the protection of the health, safety and welfare of the inhabitants of the neighborhood and the County. Broken Arrow Investments. LLC will follow The Design Standards in the Weld County Code (Section 23-2-240). and the Operation Standards (Section 23-2-250), which provide adequate provisions for the protection of the health. safety and welfare of the inhabitants of the neighborhood and the County. 6. A statement describing the existing surrounding land uses and explaining how the proposal will be compatible. The surrounding land uses include irrigated agriculture land to the west, north and east. residences to the west, north. east, and south. a gravel mine to the west. and vacant land and commercial/industrial businesses to the south. The site is bounded by Balsam Avenue/WCR 41.5 on the west, CR 62 on the north, and CR 43 on the east. Sand and gravel operations are located in areas similar to this along the Poudre River corridor as evidenced by other mines being in close proximity to this site. The end use for the site will be a lined water storage reservoir which is compatible with the agricultural nature of the general area. 7. A statement describing the existing land use. Current Parcel: The current parcel is operating as a sand and gravel mine. Oil/gas wells and tank batteries are located on the parcel. Existing and draft surface use agreements with the pertinent oil/gas companies are attached. The draft agreements are in the stage of preliminary approval from the oil/gas company's legal department. All proposed well and tank battery locations have been provided to the oil/gas company as shown on the extraction plan maps. The final recorded versions of these agreements will be forwarded to the County when they are obtained. 8. Describe, in detail, the following: a. How many people (employees, visitors, buyers, etc.) will use this site? There will be a maximum of 6 employees on the site on any given day. The average number of employees per day will be 3. There will be approximately 5 visitors per week on the site. See section 8.d. for the number of haul/delivery trucks that will access the site. b. What are the hours of operation? The standard operating hours will be during daylight hours for all facilities on the site. Because federal highway paving projects are often required to conduct their work activities at night to Li• 1 J�;7 Consulting, Inc. Broken Arrow Investments, LLC Amended USR Application Use by Special Review (Mining Operation) Amended Use by Special Review (Mining Operation) Questionnaire Responses minimize the impacts to traffic flows, the aggregate processing facilities may occasionally operate during night time hours if work on these types of projects is done. c. What type and how many animals, if any, will be on this site? There will be no animals on site. d. What kind (type, size, weight) of vehicles will access this site and how often? Aggregate Mining/Processing Facility: Passenger cars, pickups. 16 ton haul trucks, and 22 ton haul trucks will access the site daily. Occasional access will be made by mechanic's trucks. fuel trucks, etc. It is anticipated that the passenger cars and pickups, combined. will make a maximum of 12 trips per day and an average of 6 trips per day to the site. It is anticipated that the 16 ton gravel trucks will make a maximum of 15 trips per day and an average of 10 trips per day to the site. It is anticipated that the 22 ton gravel trucks will make a maximum of 30 trips per day and an average of 25 trips per day to the site. It is anticipated that the mechanical trucks. fuel trucks. etc. will make a maximum of 2 trips per day and an average of 1 trip per day to the site. e. Who will provide fire protection to the site? Union Colony Fire Rescue Authority f. What is the water source on the property? (Commercial well or water district). Bottled water will be used for domestic use. There will be no irrigation on the property. Water taken from the pit dewatering once ground water is exposed will be used for dust suppression and washing if the operator chooses to wash the material. Prior to ground water being exposed the operator will utilize City of Greeley potable water for dust suppression. The operator will purchase potable water from the City of Greeley. The operator plans to obtain a fire hydrant meter from the City of Greeley to use water from the fire hydrant at the intersection of Hwy 263 and Balsam Avenue. A well permit will be obtained prior to ground water being exposed. An application for a well permit has been submitted to the State Engineer and is in the process of review and approval. A copy of the approved well permit will be provided to the County when it is received. At this time the proposed operation will not be washing the material during the aggregate processing. A temporary substitute water supply plan has been obtained from the State Engineer for the mining operation prior to ground water being exposed. This plan provides details of the consumptive use associated with the operation of the mine and the source of the replacement/augmentation water that will be used prior to ground water being exposed. The plan is attached. Broken Arrow Investments. LLC will continue to follow the well monitoring plan, as described in Exhibit G in the DRMS permit application, to determine if the dewatering of the pit, when ground water is exposed, has any effect on the surrounding wells, and to take the necessary steps to mitigate any damage to the wells. Broken Arrow Investments. LLC will implement groundwater )xl Consulting, Inc. Broken Arrow Investments, LLC Amended USR Application Use by Special Review (Mining Operation) Amended Use by Special Review (Mining Operation) Questionnaire Responses recharge ditches around the perimeter of the pit as part of their operation in an effort to ensure that no damage will occur prior to ground water being exposed. g. What is the sewage disposal system on the property? (Existing and proposed). The existing pit is utilizing portable sanitary facilities for the scale house. The existing house on the proposed expansion area has a septic system, permit numbers G19940549 & G19949164. h. If storage or warehousing is proposed, what type of items will be stored? Overburden and aggregate stockpiles will be located as shown on the Extraction Plan map. The maximum height of the largest stockpiles is expected to be 30 feet. Most stockpiles will be an average of 15 to 20 feet in height. i. Explain where storage and/or stockpile of wastes will occur on this site. j• The waste generated by the scale/operator houses will be stored in standard storage bins located adjacent to the scale/operator houses. Explain the proposed landscaping/screening for the site. The landscaping shall be separately submitted as a landscape plan map as part of the application submittal. All disturbed areas will be reclaimed and seeded with the seed mix shown in the attached DRMS reclamation plan when the reclamation activity for each phase is completed. A berm will be installed along a portion of the west property line near the entrance, and evergreen trees will be planted along the perimeter of the mine for screening as shown on Landscape Plan map. k. Explain how long it will take to construct this site and when construction and landscaping is scheduled to begin. Timetable 23-2-260.C.12. The mining process is expected to begin immediately after AMUSR approval and is anticipated to take a total of 15 to 18 years to complete. Final seeding of disturbed areas will occur concurrently with the mining as reclamation activities occur. The reclamation is expected to be completed one year after the mining activities are completed. The screening trees will be planted as the mining progresses. I. Explain any proposed reclamation procedures when termination of the Use by Special Review activity occurs. The reclamation will follow the procedures outlined in the attached reclamation plan approved by the State of Colorado Division of Reclamation. Mining. and Safety. The reclamation will occur concurrently with the mining as each phase is completed with final reclamation completed approximately one year after the conclusion of mining. m. Explain how the storm water drainage will be handled on the site. The stormwater generated on the undisturbed portions of the site will follow the historic flow patterns by either infiltrating into the soil or flowing to the existing drainage ditches. The stormwater on the disturbed portions of the site will be directed to the pit and discharged to the Cache La Poudre River with the pit dewatering effluent. n. Method and time schedule of removal or disposal of debris, junk and other wastes associated with the proposed use. Js I ( un'suliing. Inc. Broken Arrow Investments. LLC Amended USR Application Use by Special Review (Mining Operation) Amended Use by Special Review (Mining Operation) Questionnaire Responses The only wastes generated by the site will be from the scale/operator houses. This waste will be collected in standard storage bins and disposed of by commercial trash haulers. o. A statement delineating the need for the proposed use. Construction aggregates are in high demand along the Front Range. This site contains a significant quantity of valuable commercial grade sand and gravel which is ideally suited for meeting these needs. A statement which explains the Use by Special Review area is not located in a flood plain, geologic hazard and Weld County Airport overlay district area; or that the application complies with Chapter 23, Article V, Overlay District Regulations as outlined in the Weld County Code. According to the Federal Emergency Management Agency Flood Insurance Rate Map (FIRM) Community Panel No. 080266-0629C, revised September 28, 1982, portions of the project site lie within Zone AE, which is within the 100 -year floodplain. All structures will be anchored to protect against flooding and all electrical components will be installed a minimum of 1 foot above the 100 year flood elevation. The site has an approved Flood Hazard Development Permit in place (FHDP 545). Based on the Greeley -Weld County Airport "Airport Master Plan", Exhibit IV "Airport Airspace (Far Part 77 Surface)", dated March 3rd, 2004, the site is in the Weld County Airport overlay district area. The permit applicant has obtained confirmation from the FAA that there is a determination of no hazard to air navigation based on the Aeronautical Study No. 2008-ANM-561-OE. Please refer to the attached study for more specific information. According to the "Geologic Hazard Area Map of Potential Ground Subsidence Areas in Weld County. Colorado". dated May 10t'' 1978, the site is not in a geologic hazard area. Items referenced in this narrative with copies of each included in the overall County application. • DRMS 112(c) Reclamation Operation Permit Application and Approval • Existing/Draft oil/gas surface use agreements • Temporary Substitute Water Supply Plan Approval Letter • Terracon and Two Rivers Testing Soils Reports • FAA Aeronautical Study No. 2008-ANM-561-OE LiJ&T Consulting, Inc. Broken Arrow Investments. LLC Amended USR Application Use by Special Review (Mining Operation) August 22. 2019 Mr. David Bliss 13165 E County Line Road Longmont, CO 80504 RE: Broken Arrow Investments. Inc. - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 -08 -1660 Dear Mr. Bliss. Please accept this letter as a statement and agreement for the following items listed below. The items listed below are issues that you provided to Broken Arrow Investments. LLC at our meeting on August 2, 2019. Bliss Well 1. Broken Arrow Investments. LLC would like access to your well so that we may monitor the water level in the well prior to the slurry wall construction so a base line can be established for the existing conditions. We would like to monitor the levels in the well at weekly/monthly intervals before and after the slurry wall is installed to determine if the well is being impacted. 2. Broken Arrow Investments. LLC agrees to work with Mr. Bliss to address and repair any impacts that are caused by the slurry wall or dewatering to ensure your well functions correctly. Groundwater Levels 1. Broken Arrow Investments. LLC has installed monitor wells on the Global Asset Recovery Property that will lie outside and inside of the proposed slurry wall. Broken Arrow Investments, LLC has been monitoring the existing ground water levels and will continue to do so prior to and after the slurry wall is installed. 2. Broken Arrow Investments. LLC agrees to work with Mr. Bliss to address and repair any impacts that may be caused by the slurry wall to ensure that the existing seasonal groundwater levels are within 2 feet of the monitored levels prior to the slurry wall being installed. If there are changes in the ground water levels that are caused by the slurry wall, Broken Arrow Investments, LLC agrees to work with Mr. Bliss to mitigate the ground water levels. The levels would be mitigated by having a drain (likely a perforated pipe) designed and installed. Fugitive Dust 1. Broken Arrow Investments. LLC agrees to work with Mr. Bliss to address any impacts that may be caused by fugitive dust from the Derr Pit and we are planning to use a water truck to keep dust from occurring on haul roads. plant processing areas and stockpiles. Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 RE Broken Arrow Investments. Inc - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 8/22/19 -2- To help us keep dust issues in order please give Kelly Hodge a phone call so he may address any issues as soon as possible if dust is coming from anywhere in the pit boundary Truck Traffic Broken Arrow Investments, LLC agrees to work with Mr Bliss to address any impacts that may be caused by truck traffic from the Derr Pit and we provide the truck route to all trucks that enter the pit Any trucks that do not adhere to the proposed route will be told they are no longer allowed to operate. To help us keep truck traffic issues in order please give Kelly Hodge a phone call if trucks are coming from the Derr Pit and going north on Balsam Avenue so he may address any issues as soon as possible. Sincerely. r � t c Kelly Hodge ( Phone (970) 566-5090 Broken Arrow investments. LLC Date The foregoing instrument was acknowledged before me this day of by. as CORI LYN WALDBURGER Notary Public State of Colorado Notary ID M 20184026623 My Commission Expires 06-26.2022 Notary Public My Commission Expires /� :' -_ David Bliss Date The foregoing instrument was acknowledged before me this day of by, as Notary Public My Commission Expires: Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 August 22. 2019 Mr. Rocky Francis 701 Balsam Avenue Greeley, CO 80631 RE: Broken Arrow Investments, Inc. - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR 19 -08 -1660 Dear Mr. Francis Please accept this letter as a statement and agreement for the following items listed below. The items listed below are issues that you provided to Broken Arrow Investments. LLC at the Planning Commission Hearing on August 20. 2019. Francis WeII(s) 1. Broken Arrow Investments. LLC would like access to your well(s) so that we may monitor the water level in the well(s) prior to the slurry wall construction so a base line can be established for the existing conditions. We would like to monitor the levels in the well(s) at weekly/monthly intervals before and after the slurry wall is installed to determine if the well(s) are being impacted. 2. Broken Arrow Investments. LLC agrees to work with Mr. Francis to address and repair any impacts that are caused by the slurry wall or dewatering to ensure your well(s) functions correctly. Groundwater Levels 1. Broken Arrow Investments. LLC has installed monitor wells on the Global Asset Recovery Property that will lie outside and inside of the proposed slurry wall. Broken Arrow Investments. LLC has been monitoring the existing ground water levels and will continue to do so prior to and after the slurry wall is installed. 2. Broken Arrow Investments, LLC agrees to work with Mr. Francis to address and repair any impacts that may be caused by the slurry wall to ensure that the existing seasonal groundwater levels are within 2 feet of the monitored levels prior to the slurry wall being installed. If there are changes in the ground water levels that are caused by the slurry wall. Broken Arrow Investments, LLC agrees to work with Mr. Francis to mitigate the ground water levels. The levels would be mitigated by having a drain (likely a perforated pipe) designed and installed. Fugitive Dust 1. Broken Arrow Investments. LLC agrees to work with Mr. Francis to address any impacts that may be caused by fugitive dust from the Derr Pit and we are planning to use a water truck to keep dust from occurring on haul roads. plant processing areas and stockpiles. Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 RE Broken Arrow Investments. Inc - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 8/22/19 -2- To help us keep dust issues in order please give Kelly Hodge a phone call so he may address any issues as soon as possible if dust is coming from anywhere in the pit boundary Sincerely. Kelly HodgeP70) 566-5090 Broken Arrow Investments, LLC Date The foregoing instrument was acknowledged before me this - day of by. as CORI LYN WALDBURGER Notary Public State of Colorado Notary ID 120184026628 My Commission Expires 06-26.2622 Notary Pudic My Commission Expires: Rocky Francis Date 1 The foregoing instrument was acknowledged before me this day of by. as Notary Public My Commission Expires Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 August 22. 2019 Mr. Brian Murata 29485 County Road 43 Greeley, CO 80631 Phone: 970-396-8700 RE: Broken Arrow Investments, Inc. - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 -08 -1660 Dear Mr. Murata. Please accept this letter as a statement and agreement for the following items listed below. The items listed below are issues that you provided to Broken Arrow Investments. LLC at the Planning Commission Hearing on August 20, 2019. Murata Well 1. Broken Arrow Investments. LLC would like access to your well so that we may monitor the water level in the well prior to the slurry wall construction so a base line can be established for the existing conditions. We would like to monitor the levels in the well at weekly/monthly intervals before and after the slurry wall is installed to determine if the well is being impacted. 2. Broken Arrow Investments. LLC agrees to work with Mr. Murata to address and repair any impacts that are caused by the slurry wall or dewatering to ensure your well functions correctly. Groundwater Levels 1. Broken Arrow Investments. LLC has installed monitor wells on the Global Asset Recovery Property that will lie outside and inside of the proposed slurry wall. Broken Arrow Investments. LLC has been monitoring the existing ground water levels and will continue to do so prior to and after the slurry wall is installed. 2. Broken Arrow Investments, LLC agrees to work with Mr. Murata to address and repair any impacts that may be caused by the slurry wall to ensure that the existing seasonal groundwater levels are within 2 feet of the monitored levels prior to the slurry wall being installed. If there are changes in the ground water levels that are caused by the slurry wall, Broken Arrow Investments. LLC agrees to work with Mr. Murata to mitigate the ground water levels. The levels would be mitigated by having a drain (likely a perforated pipe) designed and installed. Fugitive Dust 1. Broken Arrow Investments, LLC agrees to work with Mr. Murata to address any impacts that may be caused by fugitive dust from the Derr Pit and we are planning to use a water truck to keep dust from occurring on haul roads, plant processing areas and stockpiles. Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 RE Broken Arrow Investments. Inc. - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 -08-1660 8/22/19 -2- To help us keep dust issues in order please give Kelly Hodge a phone call so he may address any issues as soon as possible if dust is coming from anywhere in the pit boundary Sincerely. Kelly Hodge tPho. r 970) 566-5090 Date Broken Arrow Investments. LLC The foregoing instrument was acknowledged before me this. • day of by, as � Ai] CORI LYN WALDBURGER Notary Public State of Colorado Notary ID f1 20184026628 My Commission Expires 06-26-2022 Notary Public My Commission Expires Brian Murata Date The foregoing instrument was acknowledged before me this day of by, , as Notary Public My Commission Expires Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 August 22, 2019 Ms. Silvia Parker 211 N. Balsam Avenue Greeley, CO 80631 RE: Broken Arrow Investments, Inc. - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 Dear Ms. Parker. Please accept this letter as a statement and agreement for the following items listed below. The items listed below are issues that you provided to Broken Arrow Investments, LLC at our meeting on August 2, 2019 and the Planning Commission Hearing on August 20, 2019. Parker Well 1. Broken Arrow Investments. LLC would like access to your well so that we may monitor the water level in the well prior to the slurry wall construction so a base line can be established for the existing conditions. We would like to monitor the levels in the well at weekly/monthly intervals before and after the slurry wall is installed to determine if the well is being impacted. 2. Broken Arrow Investments. LLC agrees to work with Ms. Parker to address and repair any impacts that are caused by the slurry wall or dewatering to ensure your well functions correctly. Groundwater Levels 1. Broken Arrow Investments. LLC has installed monitor wells on the Global Asset Recovery Property that will lie outside and inside of the proposed slurry wall. Broken Arrow Investments, LLC has been monitoring the existing ground water levels and will continue to do so prior to and after the slurry wall is installed. 2. Broken Arrow Investments, LLC agrees to work with Ms. Parker to address and repair any impacts that may be caused by the slurry wall to ensure that the existing seasonal groundwater levels are within 2 feet of the monitored levels prior to the slurry wall being installed. If there are changes in the ground water levels that are caused by the slurry wall. Broken Arrow Investments, LLC agrees to work with Ms. Parker to mitigate the ground water levels. The levels would be mitigated by having a drain (likely a perforated pipe) designed and installed. Fugitive Dust 1. Broken Arrow Investments, LLC agrees to work with Ms. Parker to address any impacts that may be caused by fugitive dust from the Derr Pit and we are planning to use a water Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 RE Broken Arrow Investments. Inc - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 8/22/19 -2- To help us keep dust issues in order please give Kelly Hodge a phone call so he may address any issues as soon as possible if dust is coming from anywhere in the pit boundary Truck Traffic 1 Broken Arrow Investments. LLC agrees to work with Mr Bliss to address any impacts that may be caused by truck traffic from the Derr Pit and we provide the truck route to all trucks that enter the pit Any trucks that do not adhere to the proposed route will be told they are no longer allowed to operate. To help us keep truck traffic issues in order please give Kelly Hodge a phone call if trucks are coming from the Derr Pit and going north on Balsam Avenue so he may address any issues as soon as possible. Sincerely. • �c `''` Kelly Hodge Phone (970) 566-5090 Broken Arrow Investments , LLC Date The foregoing instrument was acknowledged before me this - day of • by. as ,,/ �''► a CORI LYN WALDBURGER Notary Public State of Colorado Notary ID 120184026628 My Commission Expires 06-26-2022 Ar- Notary Public My Commission Expires -J Silvia Parker Date The foregoing instrument was acknowledged before me this day of by. . as Notary Public My Commission Expires Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 August 22, 2019 Ms. Diana Taylor 665 Balsam Avenue Greeley, CO 80631 Phone Number: 970-356-2869 RE: Broken Arrow Investments. Inc. — Derr Pit — DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 -08 -1660 Dear Ms. Taylor. Please accept this letter as a statement and agreement for the following items listed below. The items listed below are issues that you provided to Broken Arrow Investments, LLC at our meeting on August 2, 2019 and the Planning Commission Hearing on August 20, 2019. Taylor Well 1. Broken Arrow Investments. LLC would like access to your well so that we may monitor the water level in the well prior to the slurry wall construction so a base line can be established for the existing conditions. We would like to monitor the levels in the well at weekly/monthly intervals before and after the slurry wall is installed to determine if the well is being impacted. 2. Broken Arrow Investments, LLC agrees to work with Ms. Taylor to address and repair any impacts that are caused by the slurry wall or dewatering to ensure your well functions correctly. Groundwater Levels 1. Broken Arrow Investments. LLC has installed monitor wells on the Global Asset Recovery Property that will lie outside and inside of the proposed slurry wall. Broken Arrow Investments. LLC has been monitoring the existing ground water levels and will continue to do so prior to and after the slurry wall is installed. 2. Broken Arrow Investments. LLC agrees to work with Ms. Taylor to address and repair any impacts that may be caused by the slurry wall to ensure that the existing seasonal groundwater levels are within 2 feet of the monitored levels prior to the slurry wall being installed. If there are changes in the ground water levels that are caused by the slurry wall, Broken Arrow Investments, LLC agrees to work with Ms. Taylor to mitigate the ground water levels. The levels would be mitigated by having a drain (likely a perforated pipe) designed and installed. Fugitive Dust 1. Broken Arrow Investments. LLC agrees to work with Ms. Taylor to address any impacts that may be caused by fugitive dust from the Derr Pit and we are planning to use a water Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 RE Broken Arrow Investments, Inc. - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 8/22/19 -2- truck to keep dust from occurring on haul roads, plant processing areas and stockpiles To help us keep dust issues in order please give Kelly Hodge a phone call so he may address any issues as soon as possible if dust is coming from anywhere in the pit boundary Sincerely. Kelly Hodge ' PtSe (970) 566-5090 Broken Arrow Investments, LLC Date The foregoing instrument was acknowledged before me this day of ! • , by. as CORI LYN WALDBURGER Notary Public State of Colorado Notary ID 0 20184026628 My Commission Expires 06-26-2022 Notary Public My Commission Expires Diana Taylor Date The foregoing instrument was acknowledged before me this day of by, as Notary Public My Commission Expires Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 August 22. 2019 Mr. Jerry Winters 42 Willowcroft Drive Littleton CO 80123 Phone: 720-398-8849 Ms. Dixie Ann Hofner 30300 Weld County Road 57 Gill CO 80624 Phone: 970-352-4654 RE: Broken Arrow Investments, Inc. — Derr Pit — DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 Dear Mr. Winters and Ms. Hofner Please accept this letter as a statement and agreement for the following items listed below. The items listed below are issues that were provided to Broken Arrow Investments, LLC at the Planning Commission Hearing on August 20. 2019. Winters/Hofner Well 1. Broken Arrow Investments, LLC would like access to your well so that we may monitor the water level in the well prior to the slurry wall construction so a base line can be established for the existing conditions. We would like to monitor the levels in the well at weekly/monthly intervals before and after the slurry wall is installed to determine if the well is being impacted. 2. Broken Arrow Investments, LLC agrees to work with Mr. Winters and Ms. Hofner to address and repair any impacts that are caused by the slurry wall or dewatering to ensure your well functions correctly. Groundwater Levels 1. Broken Arrow Investments. LLC has installed monitor wells on the Global Asset Recovery Property that will lie outside and inside of the proposed slurry wall. Broken Arrow Investments. LLC has been monitoring the existing ground water levels and will continue to do so prior to and after the slurry wall is installed. 2. Broken Arrow Investments. LLC agrees to work with Mr. Winters and Ms. Hofner to address and repair any impacts that may be caused by the slurry wall to ensure that the existing seasonal groundwater levels are within 2 feet of the monitored levels prior to the slurry wall being installed. If there are changes in the ground water levels that are caused by the slurry wall, Broken Arrow Investments. LLC agrees to work with Mr. Winters and Ms. Hofner to mitigate the ground water levels. The levels would be mitigated by having a drain (likely a perforated pipe) designed and installed. Fugitive Dust 1. Broken Arrow Investments. LLC agrees to work with Mr. Winters and Ms. Hofner to address any impacts that may be caused by fugitive dust from the Derr Pit and we are Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 RE Broken Arrow Investments. Inc - Derr Pit - DRMS M-2008-017 112c Permit and Weld County 2MJUSR19-08-1660 8/22/19 -2- planning to use a water truck to keep dust from occurring on haul roads, plant processing areas and stockpiles. To help us keep dust issues in order please give Kelly Hodge a phone call so he may address any issues as soon as possible if dust is coming from anywhere in the pit boundary Sincerely. r/ 7, Kelly Hodge .Pho_r470) 566-5090 Date Broken Arrow Investments. LLC C - The foregoing instrument was acknowledged before me this day of by, as r CORE LYN WALDBURGER Notary Public State of Colorado Notary ID 0 20184026628 My Commission Expires 06-26.2022 t 1 Notary PLiblic My Commission Expires: i Mr. Winters and Ms. Hofner Date The foregoing instrument was acknowledged before me this day of by. as Notary Public My Commission Expires Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, Colorado 80631 From: JC York <jcyork@i-tconsulting.com> Sent: Wednesday, August 7, 2019 11:01 AM To: Kim Ogle <kogle@weldgov.com> Cc: Kelly Hodge <kahodge1@comcast.net> Subject: Derr Pit USR/Change of Zone - Community Meeting Notes and Discussion Notes with Other Property Owners That Were Called or Met with On -site Prior to Community Meeting Cautio] ' This email originated from outside of Weld County Government. Do not click links or open attachments unless you recognize the sender and know the content is safe. Kim — I have attached a pdf of the power point presentation we provided at the Community Meeting on August 2nd. The meeting was held at 800 8th Avenue on the 3`d floor at 4X Industrial's conference room. Below are the items we discussed at length with the property owners and their families that attended. 1. Create soil landscape berms of a height to help block noise and visibility for the folks who wanted berms/screening (those folks were Koehler's, Hoffner/Winters who we met with separately, Dave Bliss and we also showed a berm by Murata on the east side of his property where he doesn't have trees screening the area as well as the planned berm by the scale house and trees). Some of the folks wanted trees along the top so we may want to propose some evergreen trees like the berm will have by the scale house but they will need to be watered with the water truck. Parkers did not want a berm as they wanted to keep their view of the land around them. 2. Drill three monitor wells on the north amendment area. I have attached a map with the proposed locations that we are drilling and completing this week (shown in red). 3. Change the lights at the scale house to be down cast so they don't shine into the neighborhood. 4. Parkers wanted some access gate so they could mow the area on the south side of their home that is on the Loloff pit area. 5. Koehler's want to monitor their own well and we also asked if we could monitor their well. They gave me their well permit number which was 11564. 6. Dave Bliss was concerned about his well too and we want to see about monitoring his well too. 7. Paving Balsam Avenue from the entrance to 8th Street we discussed that Weld County will likely require this. The list of attendees at the community meeting were as follows: 1. Janet Brown —James Koehler's daughter 2. Jody Jones —James Koehler's daughter 3. Mel Bickling — was with James Koehler 4. James Koehler — 1001 East C Street, Greeley, CO 80631 5. Joe Parker — Sylvia Parker's son 6. Jerry Parker — Sylvia Parker's son 7. Sylvia Parker — 211 N. Balsam Avenue, Greeley, CO 80631 8. Diana Taylor — 665 Balsam Avenue, Greeley, CO 80631 9. David Bliss — 13165 E. County Line Road, Longmont, CO 80504 he owns the property on the north west corner of C street and Balsam. 10 Kelly Hodge — Mining Manager 11. J.C. York — J&T Consulting 12. Jeff Kwolkoski — Wave Engineering (Noise Consultant) I also attached the letters that were sent out and scans of the certified mail receipts that were sent out and signed for. We met with Dixie Ann Hoffner and her husband separately as Jerry Winters requested we do so (called and discussed with him) and I also discussed the mine project with him on the phone. They had concerns with their well and also the noise so that is why we proposed the berm. Regards. J.C. J.C. York. P.E. J&T Consulting, Inc. 305 Denver Avenue. Suite D Fort Lupton. CO 80621 Office: (303) 857-6222 Mobile: (970) 222-9530 FAX: (303) 857-6224 WELD COUNTY 2MJUSR19-08-1660 GLOBAL ASSET RECOVERY, LLC c/o BROKEN ARROW INVESTMENTS, LLC . DRMS Permit M-2008-017 • Mining Plan —Area to be mined and reclaimed is 75.21 acres. The total USR permit area is 145.05 acres. . Mining occurring in original permit area. Amendment area will start in Phase 5a for overburden material to mix for road base and reclamation soil for Loloff Pit. Pit run will be extracted using dozers, excavators, loaders, haul trucks, and be placed on conveyor/feeder to the processing facility. Dust control will include watering with a water truck on haul roads and stockpiles and mag chloride of main truck route interior to the mine. WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC LEGEND: 1Kau Don c I II � I 1 011 • mJ I.w. ns.o Tb • aM I =:-.-r a. I �sr1t,a,s n� sit Ir I.•I e€ a • III UI I —aa r � c,., n + I I �T. war- lbala —' IS$0 a GX.ea Tab I• S I Da lac �I �K It !r l 1 If f e . I , 1..yam ••W let • r Ms: a awe art MA — IWO .-. 'In ,URIC I I • , • • • • , • • Yl • Wile411, Nwc7 nwlo L.1 • • I I I— NIMPOS 1104100111 XI WS • r..Q at at •.:.ran wt ma MK ataun as we Matt Isa0 mare° fl fart i ~KID MP L cr Wrt Ma PILE OE• any swum *Au. n,w tan ML 'AC NO aka 1 -• - ons TYPICAL MINING SECTION DEWATERING COLLECTION POND 'OTAL PERMIT' AREA = 14506 AC 7QTAt. MINING AREA = 7521 AC F 7 0 •t• 7•C WELD COUNTY 2MJUSR19-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC • Mining will continue to progress in the original permit area as a reclamation bond has been posted with DRMS for the entire 31.84 acres as well as 13.94 acres of the north area (amendment area Phase 5a that will only be mined to a depth of 8-10 feet without exposing groundwater). • Reclamation — Reclamation occurs as mining progresses leaving 3:1 slopes for the finished reservoir (same as mining slopes). The south reservoir water surface is 29.75 acres and 1,474 acre -ft of storage. The north reservoir water surface is 38.99 acres and 1,328 acre -ft of storage. WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC NOTE: AU. ets-rutem ARCM CVRCE of GEER SURFACE NU EE %WC MO M.ALIC AIM THE EECEPTIC$ OF MLES3 II0.0S OHO MU. SE : iwa tam at_(J LEGEND: • ..Tut KU ant ■RE CAS in Man • GAS •K•( • C RAM YCIE11 i SaTE. Twctt anti IAA W AREN • O ECIROC T.M6FURfA TEE tr+M3€E °CTES14 A1L'M:JE ua sane' - enter, LSE ,ncE UK .a !- NOSIZatI gal rKKa WC LM SthtG 77 aiC1Jfla CAS um von ~ bMt1�RATDO LIB( T4KTNc codas tr rams> CRAW t ROM 00� OM S .MO•pET SEMI SOUORRI PROPOSES SU/01T aML -ups POSM2S(a caa1b. l natal 1 A 7TMM 'IC ac..a arse+ .a TEA s.af ACE sa .x WELD COUNTY 2MJUSRI9-O8-166O GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC • Traffic — Traffic will continue to be the same as the historic traffic from the Loloff and Derr Pits. • The rates of extraction are 87,595 tons per month or 3,650 tons per week based on a 6 day week for hauling (this is based on the last 12 months of truck tickets from the Loloff and Derr Pits). The number of tandem trucks per day is 20 and the number of semi -truck and trailers is 150 per day. • Haul route will be Balsam Avenue to 8th Street then to Hwy 85 if going west or continue on 8t" Street east. WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC WELD COUNTY 2MJUSRI9-08-166O GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC • Screening for access and processing areas • Screening will be provided for the main entrance access road from Balsam from north to south along the west property line to help screen the operation. A berm and trees are proposed. • Additional screening is planned for the west property line in the north area of mining and east property line along Cherry Avenue with a soil berm in the 200 foot buffer areas when mining starts in the north area. WELD COUNTY 2MJUSRI9-O8-166O GLOBAL ASSET RECOVERY, LLC c/o BROKEN ARROW INVESTMENTS, LLC BALSAM AVENUE (W.C.R. 41.1 2) .t • .1 raft +1 II 0 r.Mai . •c n -- of SIN Kew CM FTmern t um(' y4M[ LAt h flf IL MAYt n NESIC aLICOli . ►K LEGEND§ NOTES' .Pcti•T. u..$ FETE WE GRA.Q Nmo GIRL .ONR aflame, ALL :OTANI .Mus ID R Stir me Cast, — itnc.c :cat+w: 3$S(- x ITC-Vwlfr rtruc. min corm atllsaaflol. Ay. .a.r vt.1111 v-:cra-.:' 1 AU. Ann( LMMOLE It K lttCE M O 11E C1taa 9rt n curtail. Dt flI on spoon MwrofR. co rNwawi r• lit iculFb TNMC.cH LCMID,Pc eEDYta1 •aYu 04.* It COCKS IMfll1 %fl neent T+I.I Stan nvo'T •s1)% MIT tau tar' 'FPM• yr DEMOS W oocna 1 C►gSCO IC a a/.. ONN.t SW. I, a4 twaw at. • memo ► .? .cat of ?.aa I Ma ifisOlC•II E to NE IS ) taint, IMIS C%1aSU'ic TWO' SUMPS 'TM 4 W"an .-0•FEF•'.--. 114e n .Lka IWS'T.IL a YLMa ..1f Lt Cf ntMll* TT M Jvlt•T NKi EOl '°E ) Cr: t I as:* EE.v#aa ...1 *IC 1t.Ml. nil gnat r c•war.. ITNaPI Ja a c.ac,c way TMMttW ..tTaL sI SSCT: SET e,.[ ► ,. ,aDumar•T '3aM C moo gal W f D ROOD s%Lf4 Man T. IR UST 0.p, ca a DU Cr nit I4 r. M Marls PIT Si IiYiI/IE• *WS %Thin OTTTC. 44. R 'MCN it saint I tus %CAA i 1 - I 1 't4 u s. ' f9.RTIr1. f a t aura al AS( e14 a t M.MIM ETC Mil 1aUiMl1. CONIFEROUS TREE PLANTING DETAIL 1T WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC C/o BROKEN ARROW INVESTMENTS, LLC RIRnMOeL • OSISINini —IY.- �a I al 5I GI NILS 1 ..O.II .IrY.wv •en, imslirtinmestft• SWIM TT IM..r I.t. i J \ 50 I 1 `=V� II I PRE a-s.Irsrrw�erNYsOtM w —rally IWitt II wow•-lrayw_I - 1 t e*oe 1 il Ai a J----esoCeCiti --. t5 I❑ ` V. t. \ 1 _i) 1\ s dA a OMOIrtU .OS X K IWAIgOMO MO .0104® Os man a as +rrwr so R rnMC11 ITIOII Poe an O IS QIOC S... ire — emm a -w . •� wan T. Pow O OIOM /1tr.Q/IIIIMI.O ` ...q.....rµ a a.t oars oL .11/ P 4.0�it t_ -n ars�°lc_Ia v m.J I 4. nsSIC 1 it 1 I I,! II 1 I 1 Lc ‘ a ----t —C--- N r r NOSS IAN UM K�\ flier n.74I AC SIMM 1 -I I i smanit5 08.00110, Oa WIC at A0Q51 IS -t0 Ct•+tU Oa ID WSW ---- - - 4- I I I WELD COUNTY 2MJUSRI9-O8-166O GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC . Noise Analysis • South Area Mining and Processing Plant • Noise Levels - See Next Slide of Noise Level Contour Map • North Area Mining • Noise Levels — See Next Slide of Noise Level Contour Map WELD COUNTY 2MJUSR19-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC MINING AREA (on surface) PROCESSING PLANT LEGEND i L i _ i 50 CIBA 55 dBA (�( ► ci BA 65 dBA 7(1 dBA 75 dBA 80 dBA WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC c/o BROKEN ARROW INVESTMENTS, LLC . Dust Control • 5,000 Gallon Water Truck — Water truck will water haul roads that are interior to the mine and stock piles. An employee will be operating the water truck at all times during business hours. • The main access from the scale house to the loading area at the processing facility will be conditioned with mag chloride for dust control and watered when needed. WELD COUNTY 2MJUSRI9-OS-166O GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC r .S t+ WWII :ARM :4141, Si)). 4 TV& 1438 1..W p 61.. Sill 1 AMC ;r• .T..ssD Is ,:C.: 14x,1 S 1e. T M' aa1ILT SILL to .a.- , 1..ey ....... a me Oar T. IC 1 •N • - T?• •1t,. ,t'• •r • V r . :•,•:t• • =L 7:.- IDTrNN Y,4 _Ye.uana a.s. e a _ wtc o0Mt a I • Makan, X • a: .ERl.cO 1[ .4.cG w es...aCt. arinVIS era es sis ls w peas= in it Pia matt um liser .� m -•e r t berries. M tart r•R.r c..1s • n3r .t Alb RRtu1t 1M Vat *me �(TM •ar mei sass apse leasst TINS a' SO •a.ae , 'aiS Co* sots ,o. 1110-4.- 1 eaw. Ire •t$r.eitr :.. ..1fS.l: R If t nsatc aril UK .1 `. an* f ,i I ea,_•t.r stir stag 4.44 ISC a la ...r. al • i it \ 1 x 11e: T 1 'ai. cilia, •.no.p. I WO us' \• 1 11 K'J11 .� 1 *tar '.'r 4 Mi K 442441: asp. _- 1 WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC • Groundwater Impacts — Monitor Wells have been installed along the perimeter of the original permit boundary and have been measured to define a baseline for the existing water table depth surrounding the property. . The south area being mined currently is being dewatered and water that is pumped is being recharged in ponds to the south of the mine area with overflow draining to the Poudre River. The slurry wall for the south area is planned to be constructed in 2020. • The north area will require a slurry wall to be installed prior to exposing groundwater per the permit requirements with DRMS. • If required a drain is proposed to be installed if the increase or decrease is 2 feet or greater to balance the groundwater table if mounding or shadowing effects occur from the slurry wall r WELD COUNTY 2MJUSRI9-08-166O GLOBAL ASSET RECOVERY, LLC C/o BROKEN ARROW INVESTMENTS, LLC EASY C STREET p •- — I MW7 Q - .. � I 9 4 w �I 11Iwe fI - IMniemiwipigims— r --r" MW 15 t. _ C a $ jL r MW 6 - '' m MW10 411W 11 1 J I� MW 12 MW 1 MW 13 LEGEND: _ MW41/4 :1 MW2 PAW 3 WELD COUNTY 2MJUSRI9-08-1660 GLOBAL ASSET RECOVERY, LLC C/O BROKEN ARROW INVESTMENTS, LLC BALSAM AVENUE / CR 41.5 WELD COUNTY USR 17-0072 PIONEER LAND COMPANY, LLC C/O NORTHERN COLORADO CONSTRUCTORS ■ Questions / Discussion Broken Arrow Investments, LLC 801 8`" Street, Suite 130 Greeley, CO 80631 695 Cherry Ave, LLC c/o CTMI, LLC 6115 Camp Bowie Blvd. Suite 152 Fort Worth, TX 76116-5512 July 17, 2019 Re: Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8`h Avenue, 3rd Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely, Kelly Hodge Broken Arrow Investments, LLC David Bliss 13165 E County Line Rd Longmont. CO 80504 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 July 17. 2019 Re: Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8th Avenue, 3rd Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event. please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely. Kelly Hodge Broken Arrow Investments. LLC Diana Taylor 655 Balsam Avenue Greeley, CO 80631-9714 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 July 17, 2019 Re. Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation. Mining. and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8«' Avenue, 3rd Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely, Kelly Hodge Broken Arrow Investments. LLC Dixie Ann Hoffner & Jerry Winters 49 Willowcroft Drive Littleton, CO 80123-7908 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 July 17, 2019 Re. Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8th Avenue, 3rd Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event. please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely, Kelly Hodge Broken Arrow Investments, LLC Gene Murata 22000 County Road 62 Greeley. CO 80631-9601 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 July 17, 2019 Re: Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8th Avenue, 3rd Floor, Greeley CO 80631 on August 2. 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely. Kelly Hodge Broken Arrow Investments. LLC Hoshiko Land. LLC P.O. Box 119 Kersey. CO 80644-0119 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 July 17, 2019 Re Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining. and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8th Avenue, 3r`' Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely, Kelly Hodge Broken Arrow Investments. LLC Broken A rro w Investments, LLC 801 8" Street, Suite 130 Greeley, CO 80631 James Koehler Revocable Trust 1001 East C Street Greeley. CO 80631-9580 July 17, 2019 Re Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 891 Avenue, 3rd Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely. Kelly Hodge Broken Arrow Investments, LLC Broken Arrow Investments, LLC 801 8''' Street, Suite 130 Greeley, CO 80631 Jeanette Snow 503 Cherry Avenue Greeley. CO 80631-9716 July 17, 2019 Re- Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation, Mining. and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8"' Avenue, 3rd Floor. Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely. Kelly Hodge Broken Arrow Investments. LLC Robert Francis P.O. Box 843 Greeley, CO 80632-0843 Broken An -ow Investments, LLC 801 8`h Street, Suite 130 Greeley, CO 80631 July 17. 2019 Re: Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8th Avenue, 31rj Floor, Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely. Kelly Hodge Broken Arrow Investments. LLC r• .101.0 Silvia and Verne Parker 211 North Balsam Avenue Greeley, CO 80631-9572 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 July 17, 2019 Re: Community Meeting for Derr Pit Proposed Amended USR Permit Community Members: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining at the Derr Pit and a Weld County Use by Special Review (USR) Permit USR-1660. We are currently in the process of amending the USR permit to include additional area north of the original permit boundary. We are hosting a community meeting where we will have representatives discuss all aspects of the proposed project. The meeting will be at 800 8th Avenue, 3rd Floor. Greeley CO 80631 on August 2, 2019 at 3:00 PM. If you have any questions leading up to the event, please let us know. We can be reached by calling our office at (970) 566-5090. Sincerely, Kelly Hodge Broken Arrow Investments LLC U.S. Postal Service' CERTIFIED MAIL``RECEIPT U.S. Postal Service' CERTIFIED MAIL® RECEIPT m r4 ca ru ftl N O a C m Domestic Mail Only For delivery information. visit our website at www.usps.conr GF�E YFCP1b I A tars Services & Fees (arc* sex, n les 1 Return scsesX ❑ Return Receipt Weatrorel $ ❑ Certafsd Mail Restricted Delivery ❑ Adull 9igrr tune Require i ❑ Am. B rerun Restricted Delivery i totat Postage and l=ess _ $6.85 rR Sent >b -r tC Stmef Alaap1351"6. Gr7s O 0 m C ti I t' O N O O a O 019 i0.ta :::.,) ►t, ,,.rcp for Instrur-tinm U.S. Postal Service CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information. visit our website at ► lViv usps.coni LI TTL r,! i'c F Fl A Certified Mail Fee Services & Fees thee* oat. add gee Revert* jrracea0 $ ❑ Return Reoerpt asecoaea ❑ Certified P.S Pastrcued Daaverr ❑ mutt 3eg at n Revincl O Adult Signature Restricted oslvery $ O Postage m�4oal Postage and Foes = 6.85 N O N a- N Poen,* Here 07/17 Sent To Dixie Ann Hoffner & Jerry Winters ShtandAjc 49 Wlllowcroft Dr tw- te, L Littleton, CO 80123-7908 PS Form 3800, April 201', See Reverse for Insirticuons U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information. visit our website at www.usps.con► Sent fi Iloshiko Land LW N Street and Ap PO Box 119 '9ti[e. 21 Kersey . (1) S0644-0199 . PS Form 3800, April 2015 See Reverse for instructions m rR ru 11.1 CD N O 0 Domestic Mail Only For delivery information. visit our website at ;... w.usps.com4. GREYFP WIAL USE 'Certified Mail Fee $3..ry $2 smvtcee & Fees ono bat. oaf (Jfistsn Reosipt ntad0000 $ _ • ❑ Return Receipt {eieoaorlat $ SO I t ❑ CSWbd MS Restricted Davey • ❑ Adult sgneen Replied , ❑ Adult Manses. Rerbtcted Dewy $ +_ • QiOty Postage $0.55 total Postage and Fees $6.85 621 ijV 0392 u7:'17120 9 Sent To James Koehler Revocable Trust Sheet andA 1001 E C St wgfate, Greeley, CO 80631 95980 PS Form 31300, April 20' fr.r lr.‘structions 7022 7706 0 O O m In ri N U.S. Postal Service`" CERTIFIED MAIL" RECEIPT Domestic Mail Only Sent 7b Siitiei and oe; emit: Jeanette Snow 503 Cherry Ave Greeley, CO 80631-9716 R»vnrse for Instructions PS Form 3800, April U.S. Postal Service' CERTIFIED MAIL' RECEIPT Domestic Mail Only For delivery information. visit our website at www.usps-coot'. L'NONIT ft it I A L Sent To 3YiveF an&AjT +4(e.: *Chi. Stare, 21Pao" David Bliss 13165 E County Line Rd Longmont, CO 80504-9796 PS Form 3800, April 40th See H•wr • for Instructions U.S. Postal Service CERTIFIED MAIL° RECEIPT 0 C U.S. Postal Service!' CERTIFIED MAIL° RECEIPT Domestic Mail Only o GREGLSY FC Certlfled Mail Fee $3. jo L el a-$ 3090 D000 43 O IA s ai services & Fees ,tnecx eac sdo Receipt Parlor/I O Return %cant ir.r i $ $11100 O certified Med Restricted Deasy $ 41 00 D Adun Signature Required $ [] Acton Signature Restricted Dse.ety $ Postage $0.55 07/17/2019 Dial Postage endivev% c /.�-! Sent To Street end Apt I ��ty slate: t i . 039�O `Z u\\, -)t - t.1 Here us?s I 0 Diana Taylor 665 Balsam Ave Greeley, CO 80631 9714 PS Form 3800, April 2015 PSN 1530-02.000.0047 See Reverse for Instructions N 0 43 IT 3090 0000 43 rR U.S. Postal Service" CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information, visit our website at www.usps.com.. GREYE-rt S163^ i -i L c) Certified Mel Fee - c tServices & Fees icon oar. ernen M Recepi v,.doopy, $ ❑ Return Receipt terctrorer, O Ce llued M. Restricted Dee.sry $ O Adult Signalise Required $ O Adult Signature Restricted Del..ry $ Postage $ v P x _ Go1)4 =il„ctr Total Postage and Pose $6.85 Sent To SireBl ; Robert is ` EN- r/3 Greeley, CO 80631.0g 3 O,'y 1 t 0392 G 07/1 • :PI Vim PS Form 3800, April 2015 Pew 753dozo u•9os7 See Reverse for Instructions rn C O r Ir to c0 LSI rr C C Domestic Mail Only F.r • •livery in •rm.ti.n. visit . r w •sit t www.us•s.c•I . &„ . ..'�;f� 4.rn'. aR■■ /per i! M R�.1 U S E Cerdlied Mall Fee 5 3 . 50 $ 12_� 0392 T O IV - €21 10 P ,1ur sis i ( L 07/17/ 'f}S Services & Fees Receipt ifisticopy1 box add "'�rp ,�4' s • Reim Receipt (electronic, O Adult Signature Required O Adult Signature Restricted $ Ekan $ _ , oewery $ Postage S0.55 Ifiotai Postage end cost; (Sent To Sylvia & Verne Parker It (and Aar • 211 Balsam Ave r, Bp; Greeley, CO 80631-9572 PS Form 3800, April 2015 PSN 7530.4-000.0047 See Reverse for Instructions C 0 U.S. Postal Service` CERTIFIED MAIL® RECEIPT Domestic Mail Only For !t, 'eery in' t .intion. visit our website at www.usps.com' F0B'abd x Certified Mail Fee Extra Services & Fees ono ea add fee O 0Return Receipt onru000y, t O ❑ Rtsn Redpt (ebcuanio 1ta 0 O Certified Mel Rotten Deevery $ D O Adult Signature Rewired tt O Adult Signet" Rewired Cree.ery $ 10 535 Postage cr Total Postage and Fti& 45 s Sent "lb uPTO go627 N L i j' 67/117 USPS sag S Aisa 1 ��sit /sa SENDER: COMPLETE THIS SECTION ■ Complete items 1, 2, and 3. ■ Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space permits. David Bliss 13165 E County Line Rd Longmont, CO 80504-9796 i ud II" i i ll 11111 I N 9590 9402 3805 8032 5737 27 i a Received'by (Printed Name) Don vial irss D. Is delivery address different from item 1? ❑ Yes If YES, enter delivery address below: O No ❑ Agent O Addressee C. Date of Delivery 2. Article Number (Transfer from service !!abet) 3. Service Type U Adult Signature O Adult Signature Restricted Delivery fled Mail® Certified Mal Restricted Delivery I" Cc1Pea on Delivery Ccliec: on Delivery Restricted Delivery 701,7 3380 0000 7022 7706 Restricted Delivery Li Priority Mall Express® D Registered MaIITM ❑ Registered Mall Restricted Deitvery ❑ Return Receipt for Merchandise ❑ Signature Confirmation"" ❑ Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 SENDER: COMPLETE THIS SECTION • Complete items 1, 2, and 3. ■ Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space permits. Jeanette Snow 503 Cherry Ave Greeley, CO 80631-9716 i u� I IIIIIIIIIII i uu 9590 9402 3805 8032 5745 57 Domestic Return Receipt COMPLETE THIS SECTION ON DELIVERY A. Sig X :y S. Received by (Printed Name) rt.,"❑ Agent -❑ Addressee C. Date of Delivery D. Is delivery address different from item 1? O Yes If YES, enter delivery address below: O No 3. Service Type ❑ Adult Signature C Adult Signature Restricted Delivery ICl/Certified Mail® ❑ Certified Mail Restricted Delivery O Collect on Delivery 2. Article Number (Transfer from service label) CI Cater cr Delivery Restricted Delivery Mail 7 017 3 3 8 0 0 0 0 0 7 0 2 2 8 4 0 6 Reetrbleaoeli,rery U PS Form 3811, July 2015 PSN 7530-02-000-9053 ❑ Priority Mail Express® ❑ Regrstered Mail"" ❑ Registered Mail Restricted Delivery ❑ Return Receipt for Merchandise ❑ Signature Confirmation"' ❑ Signature Confirmation Restricted Delivery Domestic Return Receipt SENDER: COMPLETE THIS SECTION • Complete items 1, 2. and 3. • Print your name and address on the reverse so that we can return the card to you. ■ Attach this card to the back of the mailpiece, or on the front if space permits. James Koehler Revocable Trust 1001 E C St Greeley, CO 80631-95980 III1IIIIIII I H IHIl 11111 lIt hi IIIIIII 9590 9402 3805 8032 5737 72 COMPLETE THIS SECTION ON DELIVERY A. Signature ) X a►,�a tt B. Req�ived by (Printed Name) O Agent O Addressee C. Date of Delivery D. Is delivery address different from item 1? O Yes If YES, enter delivery address below: O No 2. Article Number (Transfer from service label) 3. Service type ❑ Adult Signature ❑ Adult Signature Restricted Delivery fiDtertilied Mail® ❑ Certified Mail Restricted Delivery ❑ Colect on Delivery ❑ Collect et Delivery Restricted Delivery 7 01, 7 3 3 8 0 0 0 0 0 7 0 2 2 7 713 id Restricted Delivery T�ei Priority Mail Express® • Registered Mai1TM Registered Mail Restricted Delivery ❑ Return Receipt for Merchandise El Signature Conf'matlo& El Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 Domestic Return Receipt 1 SENDER: COMPLETE THIS SECTION COMPLETE THIS SECTION ON DELIVERY III Complete items 1, 2, and 3. ■ Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space permits. 1 a.e._._ .1.__--.a a... Gene Murata 22000 County Road 62 Greeley, CO 80631-9601 NII u Id i A.Si X � Yr).n11l B. Received by (Printed Name) ❑ Agent ❑ Addressee C. Date of Delivery D. Is delivery address different from item 1? 0 Yes if YES, enter delivery address below: ❑ No 9590 9402 3805 8032 5745 64 0 2. Article Number (Transfer from service Iahan ❑ 7017 3380 0000 7022 8413 I ,,,,t,40im 3. Service Type ❑ Adult Signature E] Adult Signature Restricted Delivery Certified Malt) Certified Mai Restricted Delivery Collect on Deliver/ Collect on Deliver/ Restricted Delivery 'ail all Restricted Delivery ❑ Priority Mail Express® ❑ Registered Mail'"' ❑ Registered Mail Restricted Derrvery O Return Receipt for Merchandise ❑ Signature Confirmation's o Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 Domestic Return Receipt .4 SENDER: COMPLETE THIS SECTION • Complete items 1, 2, and 3. • Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece. or on the front if space permits. i u Dixie Ann Hoffncr & Jerry Winters 49 Willowcroft Dr Littleton, CO 80123-7908 ui i i 111111 msi III 9590 9402 3805 8032 5745 40 i COMPLETE THIS SECTION ON DELIVERY I -'aLre }C [reagent } 0 Addressee B. Ived by (Print Name) C. Date of Delivery FF?S(7l•..! -t9-f7 D. Is delivery address different from item 1? 0 Yes If YES, enter delivery address below: 41 No 3. Service Type Q Adult Signature D 1l&dt Signature Restricted Delivery 'fled Mang n Certified Mail Restricted Delivery on Delivery 9- Article Nr'mbar CI-rancfnr fmm cwvlre iaholl ... Act on Delivery Restricted Delivery Mai 7 017 3 3 8 0 0 0 0 0 7022 8390 Mail Restricted Delivery t,.vel a=i00) O Priority Mail Express® ♦,. ❑ Registered MEIITM ❑ Registered Mad Restricted Ninety o Return Receipt for Merchandise ❑ Signature ConfirrnationTM o Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 SENDER: COMPLETE THIS SECTION • Complete items 1, 2, and 3. in Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space permits. Diana Taylor 665 Balsam Ave Greeley, CO 80631-9714 1111111! III! 11111 ui 11111h!161 9590 9402 3805 8032 5745 88 Domestic'Return Receipt ❑ Agent O Addressee C. Date of Delivery D. Is delivery address different from item 1? ❑ Yes If YES, enter delivery address below: O No 2. Article Number (Transfer from service label) 7018 3090 0000 9580 4066 3. Service Type u Adult Signature ❑ Adult Signature Restricted Delivery Certted Ma., ❑ Can.he° Marl Restricted Delivery ❑ Collect on Delivery C Collect on Dekvery Restricted Delivery SI ill Restricted Delivery ) ❑ Priority Mail Express® O Registered Mae ❑ OReyist ye ed Mail Restricted o Return Receipt for Merchandise ❑ Signature Confirmation's O Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 Domestic Fe►turrl Receipt SENDER: COMPLETE THIS SECTION • Complete items 1, 2, and 3. ■ Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space permits. 1. Article Addressed to: � c4G0 �4 r t a//r4nc &%a7&9 .-t /≤L red S, -irk 11,1167-5`372:_ ai i luhI liii 9590 9402 3805 8032 5746 01 i ❑ Agent ❑ Addressee B% Received by (P fed NaS) C. Date of Delivery \nrrt 'x LPont Jaa---/t1 D. Is deiivedaddress different from item 1? O Yes tf YES, enter delivery address below: ❑ No 3. Se".ice Type O Aoki: Signature Adult Signature Restricted Delivery died Mail® O Certified Mail Restricted Delivery o Collect on Delivery ❑ Pnorlty Mail Express® O Registered MaIITM ❑ Registered Mail Restricted Delivery ❑ Return Receipt for Merchandise 2. Article Number (Transfer from service label) Collect on Delivery Restricted Delivery 0 Signature Confirmation TM' ul O Signature Confirmation 7018 3090 0000 9580 4080 , Restricted Delivery Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 SENDER: COMPLETE THIS SECTION • Complete items 1, 2, and 3. ■ Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space permits. i Hoshiko Land I..LC PO Box 119 Kersey, CO 80644-0199 NII u 1111111 i 9590 9402 3805 8032 5737 34 2. Article Number (Transfer from service label) Domestic Return Receipt COMPLETE THIS SECTION ON DELIVERY �t9 --O-> nt - O Addressee very Received 1 of P 1? • c (Prfntd r 5- C. Da 7 L3 D. Is delivery address different from item 1? O Yes If YES, address below: O No 3 O Adult ❑ Adult Signatur MdCertlled Mail® O Certified Mail Restricted Delivery O Collect on Delivery O Collect on Deltvvery Restricted Delivery Aall 7 017 3380 0000 7022 7690 Mail Restricted Delivery rioted betivery • Pnonty Mad Express® O Registered Mad", ❑ Registered Mail Restricted Delivery ❑ Return Receipt for Merchandise D Signature Conhirm3tionTM O Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN a 01C1A a SENDER: COM2' ETE THIS SECTION a • Complete items 1, 2, and 3. • Print your name and address on the reverse so that we can return the card to you. ■ Attach this card to the back of the mailpiece, or on the front if space permits. 1. Article Addressed to: 1c k 4di dzot fys Adz- yilio ath3; 1 1111111 liii 11111 iu i 9590 9402 3805 8032 5745 95 ll�npailssii0.44440kstifffitatilith A. Signature nt Addressee 7Eiate of Delivery /11 D. Is delivery address different from item 1? O Yes If YES, enter delivery address below: ❑ No 3. Service Type O Adult Signature O Adult Signature Restricted Delivery *Certified Mail® O Certified Mail Restricted Delivery O Collect on Delivery n wel: .ata ILL ...4...w rr.....ati.. f..............1,.., i..Marl rl rapr4 on Delivery Restricted Delivery 7018 3090 000,. ,.8p3_407.3 ;_ Rabi t Delivery —• savers:00) Li Priority Mai Express® O Registered Maim" O =red Mail Restricted O Return Receipt for Merchandise s ,.. O � Confirmation," D signaniro Cent lfrriatton• taestncted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 Domestic Return Receipt SENDER: COMPLETE THIS SECTION COMPLETE THIS SECTION ON DELIVERY • Complete items 1, 2, and 3. • Print your name and address on the reverse so that we can return the card to you. • Attach this card to the back of the mailpiece, or on the front if space nermitc Sylvia & Verne Parker 211 Balsam Ave Greeley, CO 80631-9572 VIIh�I�I u IIIII1HIUv I II1I 9590 9402 3805 8032 5745 71 A. Signature X ❑ Agent ❑ Addressee spied by (Printed Name) C. Date of Delivery D. is delivery address different from item 1? ❑ Yes If YES, enter delivery address below: O No 2. Article Number (Transfer from service !Abell 7018 3090 0000 9580 4059 3. Service Type O O Adult Signature p D Adult Signature Restricted Delivery ❑ 6etertified Mal® O Certified Mail Restricted Delivery - ❑ LI Collect on Delivery ✓ Collect on Delivery Restricted Delivery O vtaail ❑ Mal Restricted Delivery s r Priority Mail Express Registered MaITM atered Mail Restricted Resin Receipt for Llerehendise Signature Confirmationrr Signature Confirmation Restricted Delivery PS Form 3811, July 2015 PSN 7530-02-000-9053 Domestic Return Receipt t DRAINAGE PLAN AND REPORT DERR PIT NE 1/4 , OF SECTION 4, TOWNSHIP 5 NORTH, RANGE 65 WEST WELD COUNTY, COLORADO REVISED OCTOBER 2018 Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeley, CO 80631 (970) 566-5090 PREPARED BY: J&T Consulting, Inc. 305 DENVER AVE. SUITE D FORT LUPTON. CO 80621 PHONE: 303-857-6222 FAX: 303-857-6224 J&T Consulting, Inc. id' October 25, 2018 Weld County Public Works Department Attn. Mr. Don Dunker 1111 H Street, P.O. Box 758 Greeley. Colorado 80632 RE: Broken Arrow Investments LLC - Derr Pit Drainage Plan & Report Mr. Dunker: We have prepared this letter to address the requirements of the Weld County Use by Special Review permit regarding storm drainage for the Broken Arrow Investments, LLC - Derr Pit. In the paragraphs to follow please find descriptions of the on -site and off -site drainage basins and direct runoff that affects the Derr Pit site. The 2 -year (minor) storm event, along with the 5 -year, 10 -year. and 100 -year (major) storm events were analyzed. Site Location The proposed project is located in the northeast quarter of Section 4, Township 5 North, Range 65 West of the 61h P.M.. Weld County, Colorado (See Vicinity Map on the following page). The property is bounded on the west by Balsam Avenue, on the north by E C Street. on the east by Weld County Road 43, and the south of the property by private landowners. State Highway 263 (8'h Street) is 1/4 mile south of the project site. Site Description The overall site generally slopes from north to south. The middle west quadrant line and middle south quadrant line are steep sloping to the south and west between a 3:1 (horizontal to vertical) and 5:1 (horizontal to vertical) slope 100 to 200 feet. The remaining portions of the site are relatively flat sloping at one percent or less from north to south. The soils on the site are identified as Aquolls and Aquents, Bankard sandy loam. and Ustic Torriorthents per the Soil Survey of Weld County (See soils information in Appendix B). The existing vegetation within the site consists of mainly weeds with grass interspersed. Existing trees are located in the center of the property and in the southwest and south -center of the site. Existing Drainage Facilities Offsite flows enter the north side of the property and are conveyed through the site to the south property boundary. There is no existing storm sewer adjacent to or entering the site. The existing county road borrow ditches are the only means of conveyance for stormwater runoff in the areas surrounding the subject property. A 15" diameter culvert at the entrance to the property will be extended to accommodate the improved entrance radii and convey stormwater runoff in the borrow ditch from one side of the entrance to the other. Drainage Basins According to the FEMA Flood Insurance Rate Map (FIRM) Community Panel No. 08123C -1541E, revised January 20. 2016. portions of the project site lie within Zone AL which is within the 100 -year floodplain with base flood elevation, as well as Zone X which is reduced flood risk. VI 305 Denver Ave, Suite D • Fort Lupton CO 80621 • Ph 303-857-6222 • Fax: 303-857-6224 2000 1000 0 2000 SCALE IN FEET J&T Consulting, Inc. 305 Denver Avenue - Suite D Fort Lupton. CO 80621 303-857-6222 BROKEN ARROW INVESTMENTS, LLC DERR GRAVEL PIT VICINITY MAP Date: 2/1.3/1B Jab No: 07123 drown: WSS Scale: ' = 2000' Sheet: 1 Of: 1 Mr. Dunker RE: Broken Arrow Investments. LLC - Derr Pit Drainage Plan & Report Page 3 The majority of the storm runoff comes from off -site and through the Derr Pit site. The runoff comes from Basins A and B which are north of the subject site. The Derr Pit site is identified as Basin C and D. The impervious areas for the basins were estimated to be 5% as there are few developed sites within the basins. The impervious areas are mainly paved roads and outbuildings so the estimated 5% impervious area is conservative. The individual breakdown of area. runoff coefficients. and storm discharges are shown below: Basin A is located just south of County Road 64 (East O Street) and adjacent to the east side of Balsam Avenue. This area consists of 66.53 acres. the runoff coefficients are calculated to be 0.17 and 0.50 for the 10 and 100-yr events respectively. The basin generates a runoff of approximately 11.16 cfs and 57.93 cfs for the 10 and 100-yr storm events. Calculations for the 2- yr and 5-yr events are included in Appendix A. The runoff sheet flows into irrigated pastures/fields before concentrating and moving south into Basin B. Basin B is just south of Basin A adjacent to the east side of Balsam Avenue and covers an area of 53.94 acres. The calculated runoff coefficients are 0.17 and 0.50 for 10 and 100-yr. This basin releases approximately 11.81 cfs and 61.32 cfs for the 10 and 100-yr storm events. The runoff sheet flows into irrigated pastures/fields before concentrating and moving south into Basin C. Basin C is just south of Basin B adjacent to the east side of Balsam Avenue and north of E C Street and covers an area of 68.52 acres. The calculated runoff coefficients are 0.17 and 0.50 for 10 and 100-yr. This basin releases approximately 16.15 cfs and 83.85 cfs for the 10 and 100-yr storm events. The runoff sheet flows into irrigated pastures/fields before concentrating and moving south into Basin C. Basin D is just south of County Road 62 (East C Street) and adjacent to the east side of Balsam Avenue and extends to the east property line before extending to the south property line. This area consists of 94.90 acres. The calculated runoff coefficients are 0.17 and 0.50 for 10 and 100- yr. This basin releases approximately 25.83 cfs and 134.11 cfs for the 10 and 100-yr storm events. The runoff sheet flows into irrigated pastures/fields before concentrating and moving south into Basin D. Basin E is south and west of Basin C and adjacent to the east side of Balsam Avenue. This basin includes the original Derr Pit site. The area consists of 61.45 acres. The calculated runoff coefficients are 0.17 and 0.50 for 10 and 100-yr. This basin releases approximately 19.65 cfs and 102.00 cfs for the 10 and 100-yr storm events. The runoff sheet flows into dryland (weeds with intermittent grasses) before concentrating and moving south. The following table is the peak flow for each design point. The peak flow is not routed between basins. so the peak flow estimates are conservative. Drainage Summary Table Design Point Basin(s) Basin Area (Acres) Peak Flow Q(10) (cfs) Peak Flow Q(100) (cfs 1 A 66.53 11.16 57.93 2 A. B 120.47 22.97 119.25 3 A. B. C 188.99 39.12 203.10 4 A. B, C. D 283.89 64.95 337.21 5 ABCDE 345.34 84.60 439.21 ui 305 Denver Ave. Suite D • Fort Lupton CO 80621 • Ph. 303-857-6222 • Fax: 303-857-6224 Mr. Dunker RE: Broken Arrow Investments. LLC - Derr Pit Drainage Plan & Report Page 4 General Concept The proposed operation will be a gravel mine at the Derr Pit site. The runoff from the site will be directed into the pit during the mining of the site. Dewatering of the pit will be necessary to mine the sand and gravel. Storm discharges that enter the pit will also be removed by dewatering operations which will consist of pumping from the pit to a recharge pond and the historic release point for storm water entering the site as shown on the drainage plan in Appendix C. The pumping rate will be approximately 1 cfs and the discharge from the pump will be in the recharge ditch that flows from west to east into the recharge pond until the maximum elevation in the recharge pond is reached. Once the maximum elevation is reached flows will overtop the west end of the recharge ditch and be conveyed into the existing borrow ditch. Storm runoff will be back to the historic point of discharge at the borrow ditch and continue south to the intersection of Balsam Avenue and HWY 263. As indicated by the Army Corps of Engineers recent hydraulic modeling of the 100-yr floodplain runoff continues east along HWY 263 for a few miles until it crosses Delwood Avenue and overtops HWY 263 back into the Cache La Poudre River. Method of Analysis The project area 145.07 acres and the drainage basins are generally close to 90 acres or less each therefore the Rational Method was used as permitted in the Urban Storm Drainage Criteria Manual and as adopted by Weld County. The report analyzes the 2 -year (minor) and 100 -year (major) storm events for the proposed land uses associated with the Derr Pit. Compliance with Standards This Drainage Report is in compliance with the Weld County Storm Drainage Criteria. Future Designs Future design will be required when the mining operation is reclaimed. Runoff will have to be conveyed through the site and discharged at historic rates as well as the historic points of discharge. Please feel free to contact us if you need any additional information or have any questions or comments. Sincerely. Mr. J.C. York, P.E. Enclosures VI 305 Denver Ave, Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Appendix A 305 Denver Ave, Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Calculation of Peak Runoff using Rational Method (7n*OMr: Q1.9•t Company: $1 Da.: 1726/2016 Prol•ct- 07111 Loa Awn .. •� realer, 2 00 nleew May 2017 ZlLIa_.6-1?6..:=.6J__ Computol 11 a I, • t, R.pwld L - (26 - 17 1 . I. 60114. • 'II I •,.•„� - 5 (eaten) I•..w.� • 10 Owl vibes) Salaam' 1, • mall•,.,•„. mtn(Camputnd 1, Krµmd t, II 1 now rant'. a•ptn. Pt Ion) • Ranh. intinway equation Coale soft • e 47,1 40u 14 Rr^4'. Jives I •JI to L' .]:w•• usl 44 r&. 75 y, 1r 6tIKV vCiaPN Im,m SIL(t.A.• **Oa? Iul7n (IM1r 9,146.41Witale641W1 lQP•rl 00115•41 063 100 111 ] 160 I 190 I 2 31 J 3 14 .7., 76t0 1 1000 0761 I 'Loon?) = (p I 12(./.1 - L1A *Qt.•K611wm nom. N•• I -I MICA NNr.y1a sal Orwr Parent NowaGoa Goalie?* C Ondsadllaalan Par Teo C6.eee6.M Rn.M1069.1 Tie flaw el C.nt.nprb• Rained Seedy. I ?au( Peak new,13 oh) Tyr Sr leyr 261 661 tier tear Or.t1.M Ikea Leese L (n) WO Diva* Ill (Optmn+ll 0166h.Wen (61 (Opium. WI O...I.n4 Ito.. Shea A (W1) Overland Newham Taw t (n...) CMI..e6M New Nne16 1.200 W►61.....r MI IOPInmaK WI II....te. Ml 10p4•.n.11 CI.a.Me1W Flew ONO. A 161111 ISCI C4e.Iay..w. Facto. K C6ww6.N new W1.4ry V, (16.•41 CRa.n.Knd new Ter l (mK.l Competed t. lava) 6N.e•a 1. Oval Selected t,lminl Tyr it Sr 2►Y4 Mat leer 6e►T Sr ►'I4 leyr RS7. 6Lyr war sass. r.Ip•rw I•..n••. 001 006 011 015 047 050 000 0007 1500 21041 03 U 011 0441 911. •0614 91n0 x160 062 011 ORS 176 146 III 715 119 410 II IS 291% 4117 *•, 51 9n14 4 1IPW, •. •.< - 50 0C1 :;0n 11.1 r c Pr 0007 147t 110100 0004 044 5714 6745 6171 6171 060 106 ISO 161 IN 275 106 •76 435 116. SOM 41/4 6.11 9971 _ '003 earl a001 _ ^t• - 50 2r• C<, 0006 •166 129707 0005 049 4301 6•)I •5401 Stlsri 067 II4 140 117 )09 2.3 !10 I71 564 1615 A) 30 56e• a65 11641 E' ____ Y4 r: !0 003 t1 075 047 000 000 - 1541 awe 07107 0009 054 1001 4667 455, 4551 100 '37 1 Yn 205 7 760 ] V756330 7J! 950 e] 49 9561 111 6/ 201 II 4 n0 003 006 01 035 0R W .._ 0133 557 151'600 0015 066 7901 3523 46 O 3523 •16 155 IM 141 263 324 441 209 723 1965 513.1 7219 10200 16595 _ _. _.._ a r a a 'AMC-- 7 - National Flood Hazard Layer FIRMette 40°25'40.66"N 250 500 1 FY *)F•uRk1 L'lf t IRr)184 1,000 1,500 . 08123O.541E eff.41/20/2016 Feet 2,000 1:6.000 FEMA Legend SEE FIS REPORT FOR DETAILED LEGEND AND INDEX MAI' t ;iit r M %1 PAM : t Avid, I Without Base Flood Elevation (BFEi SPECIAL FLOOD With BFE or Depth :'URIC AC, AO, AH+. YE HAZARD AREAS OTHER AREAS OF FLOOD HAZARD OTHER AREAS F No SCREEN] Regulatory Floodway 0.2% Annual Chance Flood Hazard, Areas of 1% annual chance flood with average depth less than one foot or with drainage areas of less than one square mile Future Conditions 1% Annual Chance Flood Hazard Area with Reduced Flood Risk due to Levee. See Notes. • Area with Flood Risk due to Levee Area of Minimal Flood Hazard Effective LOMRs Area of Undetermined Flood Hazard GENERAL - — - - Channel, Culvert, or Storm Sewer STRUCTURES mini Levee, Dike, or Floodwall OTHER FEATURES MAP PANELS 4 20.2 17.5 Cross Sections with 1% Annual Chance Water Surface Elevation Coastal Transect Base Flood Elevation Line (BFE) Limit of Study Jurisdiction Boundary Coastal Transect Baseline Profile Baseline Hydrographic Feature Digital Data Available No Digital Data Available Unmapped The pin displayed on the map Is an approximate point selected by the user and does not represent an authoritative property location. This map complies with FEMA's standards for the use of digital flood maps If It Is not void as described below. The basemap shown complies with FEMA's basemap accuracy standards The flood hazard information is derived directly from the authoritative NFHL web services provided by FEMA. This map was exported on 10/25/2018 at 6:44:57 PM and does not reflect changes or amendments subsequent to this date and time. The NFHL and effective Information may change or become superseded by new data over time. This map image is void if the one or more of the following map elements do not appear: basemap imagery, flood zone labels, legend, scale bar, map creation date, community identifiers, FIRM panel number, and FIRM effective date. Map images for unmapped and unmodernized areas cannot be used for regulatory purposes. Appendix B 305 Denver Ave, Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Soil Map (Derr Pit) 40'26'13" .0' 25' 24" 104' 40' 12" N 0I M O O 528000 528100 528200 528300 528400 528500 528600 528700 528800 528900 529000 M m O N 4 C O N s 4 8 N N N C O C O N N N. r O O N N O W N- 528' -. 528200 528300 528400 528500 528600 528700 528800 528900 529000 8 40'26' 13" co O O OD C O c O O c C C O [O N C O O N O O C N C N C C O O N N C 40' 25' 24" 0 v 0 ti Vap Soa,e 7.220 If pnntetl on A size (8 5" x 11") sheet Meters 0 50 100 200 300 0 250 500 Feet 1.000 1,500 104' 39' 25" USDA Natural Resources Conservation Service Web Soil Survey 2.1 National Cooperative Soil Survey 11/15/2008 Page 1 of 3 Soil Map —Weld County, Colorado, Southern Part (Derr Pit) MAP LEGEND Area of Interest (AOI) Area of Interest (AOIU Soils Soil Map Units Special Point Features Blowout Borrow Pit Clay Spot • Closed Depression Gravel Pit Gravelly Spot Landfill et Lava Flow „ Marsh or swamp X Mine or Quarry Miscellaneous Water (ii Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot 0 3 0 Q Sinkhole Slide or Slip Sodic Spot Spoil Area Stony Spot cc t Very Stony Spot Wet Spot Other Special Line Features Gully Short Steep Slope Other Political Features p Clt'es Water Features Oceans Streams and Canals Transportation Rails N Interstate Highways US Routes Major Roads Local Roads MAP INFORMATION Map Scale 1:7,220 if printed on A size (8.5" x 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http.//websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 13N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area- Weld County, Colorado, Southern Part Survey Area Data. Version 9, Feb 11. 2008 Date(s) aerial images were photographed: 8/6/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. I ,I )\ Natural Resources Conservation Service Web Soil Survey 2.1 National Cooperative Soil Survey 11/15/2008 Page 2 of 3 Soil Map —Weld County. Colorado. Southern Part Derr Pit Map Unit Legend Weld County, Colorado, Southern Part (CO618) Map Unit Symbol Map Unit Name Acres in AOI Percent of A0I 1 Altvan loam, 0 to 1 percent slopes 12.9 4.8% 3 Aquolls and Aquents, gravelly substratum 99.8 36.7% 8 Ascalon loam, 0 to 1 percent slopes 29.0 10.6% 10 Bankard sandy loam, 0 to 3 percent slopes 18.0 6.6% 14 Colby loam, 0 to 1 percent slopes 8.4 3.1% 21 Dacono day loam, 0 to 1 percent slopes 5.1 1.9% 22 Dacono day loam, 1 to 3 percent slopes 6.0 2.2% 32 Kim loam, 1 to 3 percent slopes 44.7 16.4% 50 Otero sandy loam, 0 to 1 percent slopes 3.9 1.4% 68 Ustic Torriorthents, moderately steep 37.1 13.6% 78 Weld loam. 0 to 1 percent slopes 7.3 2.7% Totals for Area of Interest 272.0 100.0% L 'I1 Natural Resources Web Soil Survey 2.1 Conservation Service National Cooperative Soil Survey 11/15/2008 Page 3 of 3 Hydrologic Soil Group (Derr Pit) 40' 26' 13" 40' 25 24" 104` 40' 12" 528000 528100 528200 528300 528400 528500 528600 528700 528800 528900 52900 104" 39'25" 528000 528100 528200 528300 528400 528500 528600 528 00 528800 528900 529000 104" 40' 13" A Map Scale. 1 7,220 d pnnted on A size (8 5" x 11") sheet Meters 0 50 100 200 300 0 250 500 Feet 1,000 1,500 iA Zia 0 40' 25 24" USDA Natural Resources Conservation Service Web Soil Survey 2.1 National Cooperative Soil Survey 11/15/2008 Page 1 of 4 Hydrologic Soil Group —Weld County, Colorado, Southern Part (Derr Pit) MAP LEGEND Area of Interest (AO') Area of Interest (AOl) Soils Soil Map Units Soil Ratings A U U U U A/D B B/D C C/D D Not rated or not available Political Features • Cities Water Features Oceans Streams and Canals Transportation .III Rails "00 Interstate Highways US Routes Major Roads ,y- Local Roads MAP INFORMATION Map Scale: 1:7.220 if printed on A size (8.5" x 11") sheet. The soil surveys that comprise your AOI were mapped at 1.24,000. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 13N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area Weld County, Colorado, Southern Part Survey Area Data: Version 9, Feb 11, 2008 Date(s) aerial images were photographed. 8/6/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. USDA Natural Resources '+ Conservation Service Web Soil Survey 2.1 National Cooperative Soil Survey 11/15/2008 Page 2 of 4 Hydrologic Soil Group —Weld County, Colorado. Southern Part Derr Pit Hydrologic Soil Group Hydrologic Soil Group— Summary by Map Unit — Weld County, Colorado, Southern Part Map unit symbol Map unit name Rating Acres in A0I Percent of AOI 1 Aitvan loam, 0 to 1 percent slopes B 12.9 4.8% 3 Aquolls and Aquents, gravelly substratum D 99.8 36.7% 8 Ascalon loam, 0 to 1 percent slopes B 29.0 10.6% 10 Bankard sandy loam, 0 to 3 percent slopes A 18.0 6.6% 14 Colby loam, 0 to 1 percent slopes B 8.4 3.1% 21 Dacono clay loam, 0 to 1 percent slopes B 5.1 1.9% 22 Dacono day loam, 1 to 3 percent slopes B 6.0 2.2% 32 Km loam, 1 to 3 percent slopes B 44.7 16.4% 50 Otero sandy loam, 0 to 1 percent slopes B 3.9 1.4% 68 Ustic Torriorthents, moderately steep A 37.1 13.6% 78 Weld loam, 0 to 1 percent slopes C 7.3 2.7% Totals for Area of Interest 272.0 100.0% H a Natural Resources Conservation Service Web Soil Survey 2.1 National Cooperative Soil Survey 11/15/2008 Page 3 of 4 Hydrologic Soil Group —Weld County. Colorado. Southern Part Derr Pit Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long -duration storms. The soils in the United States are assigned to four groups (A. B. C. and D) and three dual classes (A/D. B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep. moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink -swell potential, soils that have a high water table. soils that have a claypan or clay layer at or near the surface. and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D. B/D, or CID). the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. Rating Options Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie -break Rule: Lower til>.l Natural Resources Web Soil Survey 2.1 Conservation Service National Cooperative Soil Survey 11/15/2008 Page 4 of 4 Appendix C 305 Denver Ave, Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 P 107123 Oen Gravai PrAprawlnysOrainape%Drana¢ Ban 2018 My drarnage basin, 10/31/2018 12 18 44 PM I I E I III 52 N a 2 t S N. OsIo 13/Oe 2 REVISIONS dw'et .,w.,;n [wr, :r^.-�. n s.. a.. Broken Arrow Investments, 1.1.C Derr Gravel Pit Draelege gas - Map VI .1sT Consulting, Inc. 705 Donor ASIA • sa D Fon Lan CO 80821 10.1614722 ,p 3a3a' 7N .wAmman n,+ Broken Arrow Investments, LLC 801 8" Street, Suite 130 Greeley, CO 80631 October 26 2018 Weld County Environmental Health Services 1555 N 17 Avenue Greeley. Colorado 80631 RE USR-1660 Broken Arrow Investments. LLC — Noise Control Plan To whom it may concern Broken Arrow Investments. LLC will ensure that mufflers are installed on all motorized equipment to limit the noise from motors The operation of the mine includes excavating materials and moving materials with track hoes loaders. scrapers. and a dozer These are all motorized vehicles that have mufflers to reduce the noise from the motors As mining progresses a screening plant and crusher will be implemented into the operations. The first phases of the mining operation will excavate down to a depth of six feet below the ground surface. An area will be cleared to setup the screening plant and crusher six feet below the ground surface to aid in suppressing the noise from the screening plant and crusher. Future phases will continue to mine deeper thus moving the crusher and screen plant down into the pit as mining continues to further suppress noise from the screening plant and crusher Broken Arrow Investments. LLC will comply with the Colorado Noise Statute 25-12-103 for an industrial operation. If you need additional information please do not hesitate to contact me at (970) 566-5090 Cordially. Kelly Hodge Manager Derr Gravel Pit 3/8/19 LEGEND 50 dB,\ 55 dBA 60 dBA 65 dBA 7(► dBA 75 dBA xr► dBA aeloglearailPituffliNingner Broken Arrow Investments. LLC 801 8ih Street, Suite 130 Greeley, CO 80631 October 26, 2018 Weld County Environmental Health Services 1555 N. 171^ Avenue Greeley, Colorado 80631 RE: USR-1660 Broken Arrow Investments. LLC — Dust Abatement Plan To whom it may concern: Broken Arrow Investments. LLC will continue to provide dust abatement for the mining operation. A water truck is used to treat the on -site areas (haul roads, aggregate processing area, etc.) in order to suppress dust. A water truck and/or sprinklers is used to control dust in circulation areas and material handling/stockpile areas. On a daily basis prior to starting up plant operations all haul roads, processing area, circulation areas, and stockpiles are inspected to determine if wetting the surfaces are needed. If the roads and stockpiles are dry where dust could be generated they are wetted using a water truck. Areas that cannot be reached with the water truck are wetted using sprinklers. The same areas are inspected again at mid -day to determine if wetting the areas is needed. If at anytime during the day the mining operations begin to generate dust that is leaving the site Broken Arrow Investments, LLC will have the water truck on stand-by such that an area can be wetted immediately. If you need additional information please do not hesitate to contact me at (970) 566-5090. Cordially, Kelly Hodge Manager JET Consulting, Inc. Memorandum Date: October 26, 2018 JT Project No. 07123 To: To Whom It May Concern — Weld County Planning and Zoning Subject: AMUSR 1660 — Derr Pit — Traffic Information From: J.C. York. P.E. To Whom It May Concern: Details on the anticipated vehicle types. number. and travel patterns. and access location for the traffic associated with the operation of the Derr Pit are as follows: Roundtrips/day expected for each vehicle type: Passenger Cars/Pickups, Tandem Trucks, Semi-Truck/Trailer/RV (Roundtrip = 1 trip in and 1 trip out of site) Passenger cars. pickups, 16 ton haul trucks, and 22 ton haul trucks will access the site daily. Occasional access will be made by mechanic's trucks. fuel trucks, etc. It is anticipated that the passenger cars and pickups. combined, will make a maximum of 12 trips per day and an average of 6 trips per day to the site. It is anticipated that the 16 ton gravel trucks will make a maximum of 15 trips per day and an average of 10 trips per day to the site. It is anticipated that the 22 ton gravel trucks will make a maximum of 30 trips per day and an average of 25 trips per day to the site. It is anticipated that the mechanical trucks, fuel trucks etc. will make a maximum of 2 trips per day and an average of 1 trip per day to the site. Travel routes for site traffic. All traffic to and from the site will use State Hwy 263 (8th Street) and County Road 41 % (Balsam Avenue). One entrance to the pit will be on County Road 41 1/2 (Balsam Avenue). There will be one entrance to the aggregate processing facility as shown on the Extraction Plan map. All commercial traffic exiting the site will travel south on County Road 41 ' to State Hwy 263. All commercial traffic. with the exception of local deliveries, will then proceed west on State Hwy 263 to US Hwy 85 or east on Hwy 263. Commercial traffic entering the site will originate from US Hwy 85 or State Hwy 263. Traffic from US Hwy 85 will travel east on State Hwy 263 to County Road 41 1/2 and north on County Road 41 '/2 to the site entrance. Traffic from State Hwy 263 will travel west on State Hwy 263 to County Road 41 % and north on County Road 41 % to the site entrance. Travel distribution along the routes With the exception of local deliveries, 100% of the traffic to and from the site will originate from State Hwy 263 and travel to and from the south along County Road 41 '/2. Is VI 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 AMUSR 1660 — Derr Pit — Traffic Information October 26. 2018 -2 Time of day of the highest traffic volumes from above. The highest traffic volumes to and from the site are expected to be during 7:00 am to 8:00 am as employees enter the site for the start of the work day and the first delivery trucks enter the site. and 4:00 pm to 5:00 pm as employees exit the site at the end of the work day. Commercial traffic entering and exiting the site is expected to be spread out throughout the day as product is loaded for delivery. Where is the access to the site The access to the site will remain at the current pit access which is off of Balsam Avenue on the west side of the pit. (Access permit No. AP16-00450) Sincerely. e J. C. York. P.E. V I 1400 W 122 Avenue — Suite 120 • Westminster CO 80234 • Ph: 303-457-0735 • Fax: 303-920-0343 Broken Arrow Investments, LLC 801 8'I' Street, Suite 130 Greeley, CO 80631 October 26, 2018 Weld County Environmental Health Services 1555 N. 17'r Avenue Greeley. Colorado 80631 RE: USR-1660 Broken Arrow Investments. LLC - Waste Handling Plan To whom it may concern Broken Arrow Investments. LLC has implemented a Waste Handling Plan for our mining operation Wastes are generated by the scale/operator house and are stored in a standard dumpster located adjacent to the scale/operator house The volume of waste generated is trash from the operation of the scale house and the employees of the mining operation (i.e. lunch containers. beverage containers. etc.). The volume is collected in a one cubic yard dumpster and collected b -weekly by the waste handler_ The operation has a 1.000 gallon diesel fuel tank with secondary containment A Spill Prevention Control and Countermeasures plan is in place for the fuel storage. The tank has also been permitted with the Union Colony Fire and Rescue Authority The waste handler and facility where waste will be disposed is as follows Waste Handler Facility Name Address Phone Number Waste Management North Weld Landfill 40000 Weld County Road 25 Ault Colorado 80610 (866) 482-6319 If you need additional information please do not hesitate to contact me at (970) 566-5090. Cordially. Kelly Hodge Manager COLORADO Division of Water Resources Department of Natural Resources August 1, 2018 Paul Weiss, P.E. Williams and Weiss Consulting, LLC 5255 Ronald Reagan Blvd, Ste 220 Johnstown CO 80534 Re: Derr Pit Substitute Water Supply Plan (WDID 0302547, Plan ID 5240) DRMS File No. M-2008-017 (WDID 0303035) Section 4, T5N, R65W, 6th P.M. Water Division 1, Water District 3, Weld County Approval Period: August 1, 2018 through July 31, 2019 Contact information for Mr. Weiss: 970-221-5159; pswwater@msn.com Dear Mr. Weiss: We have reviewed your letter dated May 31, 2018 requesting approval of a substitute water supply plan ("SWSP") on behalf of Broken Arrow Investments, LLC ("Broken Arrow" or "Applicant") in accordance with Section 37-90-137(11), C.R.S., to cover depletions caused by an existing gravel pit operation known as the Derr Pit (M-2008-017). A SWSP for this site was originally approved on November 12, 2010 and was last renewed in a letter dated December 31, 2012 to cover operations through December 31, 2013. A request for renewal was not received prior to the expiration date of the previous plan, therefore this SWSP is considered a request for a new SWSP. The required filing fee of $1,593 has been received (receipt no. 3686678). SWSP Operations The Derr Pit is a gravel pit operation located in the NE'/4 of Section 4, Township 5 North, Range 65 West of the 6`h P.M., in Weld County. Mining operations at the Derr Pit ceased after December 31, 2012 but are anticipated to recommence during this plan period. According to information provided by the Applicant, past operations at the site did not expose any groundwater. In 2018, Broken Arrow obtained an amendment (AM01) to their reclamation permit to add 105.8 acres to permit M-2008-017 and to revise the mining and reclamation plans. During this plan period, consumptive uses at the Derr Pit site will include evaporative losses from exposed ground water, water used for dust control purposes, and water lost in the mined product. The pit is proposed to be continuously dewatered up until a slurry wall is constructed around the site. A slurry wall is anticipated to be constructed around Phases 1-4 of the original permit area in the next 2-3 years. A second cell is proposed to be constructed around Phases 5-7 prior to the exposure of ground water in 1313 Sherman Street. Room 821, Denver. CO 80203 P 303.866.3581 www.colorado.gov/water John W. Hickenlooper, Governor I Robert Randall, Executive Director Kevin G. Rein. State Engineer/Director i • • •, `*-`` Derr Pit SWSP Plan ID 5240 August 1, 2018 Page 2 of 6 those cells, approximately 5-6 years from now. This SWSP will make replacements to the Cache La Poudre River for depletions resulting from mining operations at the Derr Pit during the 2018-2019 plan year. The source of replacement water to be utilized in this SWSP is a lease of wholly consumable supplies from the City of Greeley. Depletions During this plan period, consumptive use at the Derr Pit will consist of evaporation from exposed groundwater surface area, and operational losses from water used for dust control and water removed with the mined product. A total of 0.75 acres of groundwater are anticipated to be exposed in Phases 1-4 of the original permit area in dewatering trenches and a recharge pond. Net evaporative depletions were calculated to total 2.188 acre-feet per year based on a gross annual evaporation of 45 inches from the exposed water surface, and a credit of 9.97 inches for effective precipitation (see attached Table 1). No credit was claimed for ice covered periods. Operational losses associated with mining activities will include water removed with the mined product and water used for dust control. Broken Arrow estimates that they will mine a total of 300,000 tons of sand and gravel during this plan period. All of the material will be mined below the ground water table, but in a dewatered state. The water retained by the sand and gravel is considered to be 2% of the mined material by weight, resulting in a total groundwater loss of 4.41 acre-feet. The Applicant has estimated that a total of 5.00 acre-feet of water will be required for dust control purposes at the site during this plan period, based on a projected daily usage of 3,150 to 6,300 gallons per day. A water truck will be utilized to apply water for dust control purposes. Water used for dust control purposes is assumed to be 100°,, consumed. A monthly breakdown of operational consumptive use at the site is shown in the attached Table 2. Evaporative and operational consumptive use will total 11.598 acre-feet during this plan period. The Alluvial Water Accounting System ("AWAS"), which uses the Glover method, was used with the alluvial aquifer boundary condition to determine the lagged depletions to the Cache la Poudre River from past and projected evaporation and operational losses at the site. The following parameters were used in the model: a distance (X) of 2,126 feet from the exposed groundwater surface to the river; a distance (W) of 22,900 feet from the stream to the impermeable boundary; a harmonic transmissivity (T) of 76,056 gallons per day per foot; and a specific yield (S) of 0.2. The estimated lagged stream depletions due to projected operations at the Derr Pit will total 6.18 acre-feet during this plan period, as shown on the attached Table 3. Dewatering The Derr Pit will be continuously dewatered for the entire plan period. As long as the mine site is continuously dewatered, the water returned to the stream system should be adequate to offset the depletions attributable to dewatering operations. Totalizing flow meters must be installed at each discharge location and meter readings must be reported on the submitted accounting. The meter readings will be used in calculating the post -pumping depletions that must be replaced if dewatering ceases at the site during mining operations and/or upon the conclusion of mining operations at the site. Derr Pit SWSP Plan ID 5240 August 1, 2018 Page 3of6 Replacements The source of replacement water for this SWSP is the City of Greeley ("Greeley") pursuant to a rental agreement with Broken Arrow. A copy of the rental agreement, dated May 11, 2018, is attached. For this plan period, Greeley will provide a total of 7.90 acre-feet of fully consumable water that has been changed for augmentation use. Greeley anticipates delivering the replacement water to the Cache la Poudre River at Greeley's wastewater treatment plant (WDID 0302312) located approximately 0.8 miles upstream of the Derr Pit. The delivery schedule incorporates a transit loss of 0.20% based on the currently assessed rate of 0.25% per mile. Greeley may also make deliveries at the outlet of Flatiron Reservoir Nos. 1-5 (aka Poudre Ponds at Greeley), delivery stations from the Greeley Canal No. 3, or other points available to Greeley. The point of depletion for the Derr Pit is assumed to be on the Cache la Poudre River perpendicular to the pit. This point is just downstream of the headgate of the Ogilvy Ditch (WDID 0300937). Replacement water can be delivered past the Ogilvy Ditch headgate using the Central Colorado Water Conservancy District's ("Central") augmentation station located at the headgate of the Ogilvy Ditch. Greeley has an agreement with Central that allows for the delivery of Greeley water supplies through the bypass structure at the Ogilvy Ditch headgate. Greeley can also make replacement releases from its Lone Tree wastewater treatment plant (WDID 0102342). If effluent from the Lone Tree wastewater treatment plant is used for replacement purposes, Central's augmentation station would not be required to deliver replacement water. Any releases by Greeley at a location other than its wastewater treatment plant (WDID 0302312) must be coordinated with the water commissioner to insure the proper transit losses are applied and that no intervening water rights are injured. In addition, if a different transit loss is determined by the division engineer or water commissioner, the Applicant must modify their accounting and replacements as necessary to be consistent with the determined transit loss. The monthly depletions and replacement requirements are found on the attached Table 3. Long Term Augmentation In accordance with the letter dated April 30. 2010 from the Colorado Division of Reclamation, Mining, and Safety ("DRMS), all sand and gravel mining operators must comply with the requirements of the Colorado Reclamation Act and the Mineral Rules and Regulations for the protection of water resources. The April 30. 2010 letter from DRMS requires that you provide information to DRMS to demonstrate you can replace long term injurious stream depletions that result from mining related exposure of groundwater. In accordance with approach number 3, a total bond amount of $1.362.889, which includes the cost of installing a slurry wall, has been set. DRMS approved a phased mining plan operation which allows the bond to be posted in phases. Prior to opening a new phase the operator will submit an increased financial warranty so as to hold enough bond at any given time to construct a slurry wall around the actively mined phases. The current bond amount is $215.400, which covers dry mining in Phases 1-4 of the original permit area and Phase 5A of the amendment area. Prior to exposing of groundwater or disturbing additional surface areas, the Applicant is required to notify DRMS in so that the reclamation bond may be adjusted appropriately. Proof that such a bond has been obtained and the requirements of the April 30. 2010 letter from DRMS have been satisfied must be provided to this office (the Division of Water Resources). Conditions of Approval I hereby approve the proposed SWSP in accordance with 5 37-90-137(11), C.R.S. subject to the following conditions: Derr Pit SWSP Plan ID 5240 August 1, 2018 Page 4 of 6 1. This SWSP shall be valid for the period of August 1, 2018 through July 31, 2019, unless otherwise revoked or superseded by decree. If a court decreed plan for augmentation is not obtained for the proposed uses by the SWSP expiration date, a renewal request must be submitted to this office with the statutory fee of $257 no later than June 1, 2019. If a renewal request is received after the expiration date of this plan, it will be considered a request for a new SWSP and the $1,593 filing fee will apply. 2. A well permit application has been submitted under receipt no. 3686683 for the current use and exposed surface area of the gravel pit in accordance with Section 37-90-137(2) and (11), C.R.S., in conjunction with this plan. The provisions of Section 37-90-137(2), C.R.S., prohibits the issuance of a permit for a well to be located within 600 feet of any existing well, unless the State Engineer finds that circumstances so warrant after a hearing held in accordance with the procedural rules in 2CCR4O2-5. Should a new well permit be denied for reasons of 600 foot spacing, or any other legitimate reason, approval of this substitute supply plan may be cancelled. 3. The total surface area of the groundwater exposed at the Derr Pit must not exceed 0.75 acres, which results in an annual net evaporative loss of 2.188 acre-feet. 4. The annual amount of water used for operational purposes at the Derr Pit shall not exceed 9.41 acre-feet, estimated as 5.00 acre-feet for dust suppression and 4.41 acre-feet lost with the production of 300,000 tons of mined product. 5. Total consumption at the Derr Pit must not exceed these aforementioned amounts unless an amendment is made to this SWSP. 6. Approval of this SWSP is for the purposes as stated herein. This office must first approve any additional uses for the water. 7. Replacement water shall be made available to cover all out -of -priority depletions in time, place, and amount and shall be made available under the direction and/or approval of the water commissioner. Notice must be provided and approval made by the water commissioner at least 48 hours prior to the release of replacement water, or as required by the water commissioner. 8. The release of replacement water may be aggregated to maximize beneficial use. The water commissioner and/or the division engineer shall determine the rate and timing of an aggregated release. 9. The replacement water that is the subject of this SWSP cannot be sold or leased to any other entity. As a condition of subsequent renewals of this SWSP, the replacement water must be appurtenant to this site until a plan for augmentation is obtained. 10. All diversions shall be measured in a manner acceptable to the division engineer. The Applicant shall install and maintain such measuring devices as required by the division engineer for operation of this SWSP. 11. The Applicant shall provide daily accounting (including, but not limited to diversions, depletions, replacement sources, and river calls) on a monthly basis, or more frequent if required by the water commissioner. The accounting must be emailed to the water commissioner (Mark Simpson at Mark.Simpson@state.co.us) and DNR Div1Accounting@state. co. us within 30 days of the end of the month for which the accounting applies. Accounting and reporting procedures are subject to approval and modification by the division engineer. Accounting forms need to identify the WDID number Derr Pit SWSP Plan ID 5240 August 1, 2018 Page 5 of 6 for each well operating under this SWSP. NOTE: Monthly accounting, even during the winter non -irrigation season, is required. 12. The Applicant shall verify that the entity making replacements (City of Greeley) has included the Applicant on their accounting and submitted their accounting to the division office and the water commissioner. 13. Applicant shall follow the attached Augmentation Plan Accounting Protocol for the operation of this SWSP. 14. Conveyance loss for delivery of augmentation water is subject to assessment and modification as determined by the division engineer. 15. The division engineer, or his designated representative, will administer all such water transported in the South Platte River or its tributaries under this SWSP, including water for replacement of depletions, past intervening headgates to ensure that such water is not intercepted or otherwise diminished in quantity by diversion, use or other interference by intervening water rights and to assure that such water remains available and suitable for Applicant's uses under this SWSP, except when any intervening headgate is diverting the entire flow of ("sweeping") the river. In the event that delivery past headgates which sweep the river requires the installation of a bypass structure or the use of an existing bypass structure by agreement with a third -party, Applicant is responsible for either installing a new bypass structure with a continuous recording measuring device(s) as approved by the water commissioner or securing an agreement with a third -party to use an existing bypass structure and providing such information and agreement to the division engineer. 16. The Division of Water Resources will not be responsible for any enforcement or administration of third party agreements that are not included in a decree of the water court. 17. Dewatering at this site will produce delayed depletions to the stream system. As long as the site is continuously dewatered, the water returned to the stream system should be adequate to offset the depletions, thus dewatering is required to continue during the term of this plan. Once dewatering at the sites cease, the delayed depletions must be addressed, including depletions resulting from the gradual refilling of the pit. At least three years prior to completion of dewatering, a plan must be submitted that specifies how the post pumping dewatering depletions will be replaced, in time, place and amount. 18. If dewatering of the site is discontinued, the pit would fill creating additional depletions to the stream system due to increased evaporation. To assure that additional depletions to the river do not occur, a bond for $215,400 through the DRMS for lining or backfilling of the exposed ground water has been obtained. Therefore, if the dewatering is discontinued the bond can finance the completion of the lining of the pit or the backfilling, thus preventing depletions to the stream system. 19. The approval of this SWSP does not relieve the Applicant and/or landowner of the requirement to obtain a Water Court decree approving a permanent plan for augmentation or mitigation to ensure the permanent replacement of all depletions, including long-term evaporation losses and lagged depletions after gravel mining operations have ceased. If reclamation of the mine site will produce a permanent water surface exposing groundwater to evaporation, an application for a plan for augmentation must be filed with the Division 1 Water Court at least three (3) years prior to the completion of mining to include, but not be limited to, long-term evaporation losses and lagged depletions. If a lined pond results after reclamation, replacement of lagged depletions shall continue until there is no longer an effect on stream flow. Derr Pit SWSP Plan ID 5240 August 1, 2018 Page 6 of 6 20. The State Engineer may revoke this SWSP or add additional restrictions to its operation if at any time the State Engineer determines that injury to other vested water rights has occurred or will occur as a result of the operation of this SWSP. Should this SWSP expire without renewal or be revoked prior to adjudication of a permanent plan for augmentation, all use of water under this SWSP must cease immediately. 21. In accordance with amendments to Section 25-8-202-(7), C.R.S. and "Senate Bill 89-181 Rules and Regulations" adopted on February 4, 1992, the State Engineer shall determine if the substitute supply is of a quality to meet requirements of use to which the senior appropriation receiving the substitute supply has normally been put. As such, water quality data or analyses may be requested at any time to determine if the requirement of use of the senior appropriator is met. 22. The decision of the state engineer shall have no precedential or evidentiary force, shall not create any presumptions, shift the burden of proof, or serve as a defense in any water court case or any other legal action that may be initiated concerning the SWSP. This decision shall not bind the state engineer to act in a similar manner in any other applications involving other SWSPs or in any proposed renewal of this SWSP, and shall not imply concurrence with any findings of fact or conclusions of law contained herein, or with the engineering methodologies used by the Applicant. If you have any questions concerning this approval, please contact Sarah Brucker in Denver at (303) 866-3581 or Michael Hein in Greeley at (970) 352-8712. Sincerely, Jeff Deatherage, P.E., Chief of Water Supply Attachments: Derr Gravel Pit Vicinity Map Tables 1-3 Lease Agreement Greeley Bypass Agreement Augmentation Plan Accounting Protocol Letter from DRMS dated April 30, 2010 Cc: Michael Hein, Assistant Division Engineer, Michael.Hein@state.co.us 810 9th Street, Suite 200, Greeley, CO 80631, (970) 352-8712 Mark Simpson, Water Commissioner, District 3, Mark.SimpsonGistate.co.us Eric C. Scott, Division of Reclamation Mining and Safety, Eric.Scott®state.co.us COLORADO ' Division of Reclamation, Mining and Safety Department of Natural Resources 1313 Sherman Street, Room 215 Denver, CO 80203 July 24. 2018 Mr. Kelly Hodge Broken Arrow Investments LLC 801 8th Street, Suite 130 Greeley, CO 80631-3903 Re: Derr Pit, Permit M-2008-017, Acceptance of Financial Warranty Check for Deposit in State Treasury Third Party and updated Performance Warranty Dear Mr. Hodge, On July 18, 2018, the Division of Reclamation, Mining and Safety received and accepted on July 24, 2018, updated Performance Warranty and Financial Warranty Check for Deposit in State Treasury, Third Party by Mill Iron Mining, LLC, in the amount of $129,167.00. Amendment AM -1 is now complete. Total financial warranty held by the Division for the Derr Pit is now $215,400.00. If we may be of further assistance, please contact me at 303 866-3567 ext. 8148. Sincerely, t avaza eotia Barbara Coria Financial Assurance Specialist Cc: Eric Scott, Division of Reclamation, Mining & Safety 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us John W. Hickenlooper, Governor I Robert W. Randall, Executive Director I Virginia Brannon, Director i COLORADO Division of Reclamation, Mining and Safety Department of Natural Resources 1313 Sherman Street, Room 215 Denver. Colorado 80203 June 27, 2018 Kelly Hodge Broken Arrow Investments LLC 801 8th St., Ste. 130 Greeley, CO 80631-3903 Re: Derr Pit, Permit M2008-017, Amendment Approval, Revision No. AM01 Mr. Hodge: On June 27, 2018 the Division of Reclamation, Mining and Safety approved the Amendment application submitted to the Division on February 21, 2018, addressing the following: Add 105.8 acres to existing permit and the revise mining and reclamation plans The terms of the AM01 approved by the Division are hereby incorporated into Permit M2008-017. All other conditions and requirements of Permit. M2008-017 remain in full force and effect. If the revised liability amount exceeds the performance bond currently held (see below), please submit additional bond. The revision will not be final until the bond is approved by the Division. Current Bond Held: Total Bond Required: Additional Bond Required: $86,233.00 $215,400.00 $129,167.00 Please note that the bond required at this time includes only dry mining (no groundwater exposure) in the currently affected area, and in Phase 5a of the amended area as shown in the approved AM01 mining plan. It will be your responsibility to notify the Division prior to exposing groundwater or disturbing additional surface areas so the reclamation bond may be adjusted appropriately. If you have any questions, please contact me. Sincerely, Eric C. Scott Environmental Protection Specialist Enclosure: Performance Warranty Form 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.861).3567 F 303.832.8106 http://mining.state.co.us John `"I. Hickenlooper. Governor i Robert W. Randall, Executive Director I Virginia Brannon. Director Cc,/ "r. "trwr. ' .(yQ' •-+ )rI • J&T Consulting, Inc. June 22. 2018 Department of Natural Resources Division of Reclamation, Mining, and Safety Mr. Eric Scott Environmental Protection Specialist. P.G., R.G. 1313 Sherman Street Room 215 Denver, CO 80203 RE: Response to Adequacy Review of a 112 Construction Materials Reclamation Permit Amendment Package. Derr Pit, Permit M2008-017 Dear Mr. Scott: J&T Consulting. Inc. and Broken Arrow Investments. LLC have reviewed the comments we received in your emails dated June 14, 2018, and June 15, 2018, for the Derr Pit. Permit M- 2008-107 Amendment application. Below are the comments and the corresponding responses that have been provided to address the comments. 1. Still need to identify property ownership and ownership of permanent structures (oil/gas facilities) in the parcel internal to the permit area (west center). Also need to make sure they are addressed in Exhibit S as well. Response: Exhibit C maps and Exhibit S have been updated as requested. See the attached updated Exhibit C maps and Exhibit S narrative. 2. Please remove any reference to water handling infrastructure to be placed in reservoirs after permit release from reclamation plan. If. in the future. the structures currently discussed are required to be installed prior to permit release a technical revision will be required. Response: References to water handling infrastructure have been removed. See the attached updated Exhibit E narrative and Exhibit F maps. V 305 Denver Avenue - Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax 303-857-6224 Mr. Scott Response to Adequacy Review of a 112 Construction Materials Reclamation Permit Amendment Package, Derr Pit. Permit M2008-017 Page 2 3. Need a sampling plan to establish baseline water chemistry and provide data to demonstrate compliance with GW standards. DRMS will determine if continued monitoring is required after reviewing baseline data. Response: Broken Arrow will obtain 2 samples each from monitoring wells MW -1 and MW -3, 30 days apart, and have the samples tested to establish the baseline water chemistry. These wells are on the downgradient side of the site. See the attached monitoring well map. Broken Arrow will provide the test results to the Division for review so that a baseline can be established. 4. Groundwater level triggers will need to be determined based on deviation from pre mining baseline average water level data. not on data from the previous year(s) that may lead to cumulative impacts prior to mitigation. Please revise. Response: The basis for groundwater baseline levels has been revised to be from groundwater measurements done prior to mining. See the attached updated Exhibit E narrative. 4a. Monthly water levels should be measured from here out to the hundredth of a foot below the survey reference elevation (industry standard). It would also appear that the well reference elevations were only surveyed to the nearest tenth of a foot? Resurvey will be required to the standard hundredth of a foot for this data going forward. Please confirm. Response: Future monthly water levels in the monitoring wells will be measured to hundredth of a foot accuracy. The top of monitoring well elevations were surveyed to the hundredth of a foot when they were installed. See the attached table in excerpt from Two Rivers Testing Subsurface Exploration Report. The top elevation of the wells will be resurveyed to the hundredth of a foot to verify their top elevations. 4b. DRMS will require standard monitoring well construction diagrams for all MW that were previously installed on site. (depth of well. screened interval. casing type. sand pack interval. seal type, etc...) Response: Details on the construction of the monitoring wells are not available at this time. We spoke with Jim Jehn of Jehn Water Consultants, and he confirmed that Jehn submitted the Notice of Intent to Construct Monitoring Holes (Division of Water Resources form GWS-51) for the 15 monitoring wells that were constructed. He said that Jehn was not present to document the construction of the wells when they were constructed. We also contacted Lane Christiansen, the drilling contractor, to inquire if they had records of the construction of the wells. They are looking back at their records to see if they have any information on the installation/construction of the monitor wells. At this time the only information we have is the depth of the monitoring wells as shown on the boring logs submitted to the Division in our Adequacy Review No.1 response. Broken Arrow will V � 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Adequacy Review of a 112 Construction Materials Reclamation Permit Amendment Package. Derr Pit. Permit M2008-017 Page 3 measure the depth of each well and submit that information to the Division for your records. We can find no evidence that permits for the wells have been obtained based on our research of the Division of Water Resources well permit information. Broken Arrow will permit the wells and submit the approved permits to the Division for your records when the approved permits are obtained. 5. Both proposed reclamation plans show the northern reservoir containing existing utilities and what appears to be a ditch. The mining plan shows they will be relocated at some point. Have agreements already been reached to relocate these features? Who owns the ditch? The ditch should be included in the structures exhibit unless it is fully owned by Broken Arrow. Response: Agreements to relocate the utilities have not yet been finalized. Broken Arrow will maintain a minimum setback of 200 feet from the utilities until either they are relocated or damage waivers are obtained from the owners. The ditch is an abandoned irrigation lateral that is wholly owned by Global Asset Recovery, with whom a damage waiver agreement has been obtained. The submitted geotechnical evaluation does not include any sections along the west or south side of phases 1-4 of the mining plan where the excavation and slurry wall are considerably closer to the south and west permit boundaries and structures. Response: A separate geotechnical evaluation was done for the original permit area that included sections on the west and south side of phases 1-4. See the attached geotechnical evaluation dated March 2008. There is also no demonstration that the offsets shown on the mining plan map (50' offset from the gas well and 25' offset from the line shown in Phase 5. or the distance to the existing facilities north of Phase 5) are adequate. Please address. If these facilities will be relocated, then the permittee will need to commit to staying 200' from them until they are removed. Response: The gas well is currently shut in and is planned to be plugged and abandoned. The gas line, and facilities are planned to be abandoned and removed. Broken Arrow commits to maintaining a minimum setback of 200 ft from the gas well, gas line, and facilities north of Phase 5 until a surface use agreement is obtained with the owner, a damage waiver is obtained from the owner, or the facilities are abandoned and removed.. Gas wells immediately north of NE corner of Phase 1 will also need to be addressed and the owner identified on figure C-2 for Exhibit S. as well as gas/oil structures in the parcel in the west center of the permit. Response: V 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Adequacy Review of a 112 Construction Materials Reclamation Permit Amendment Package. Derr Pit. Permit M2008-017 Page 4 The owners for the gas wells immediately north of the NE corner of Phase 1, and the gas/oil structures in the parcel in the west center of the permit have been shown on the Exhibit C-2 map. Broken Arrow commits to maintaining a minimum setback of 200 ft from these facilities until a surface use agreement is obtained with the owner, or a damage waiver is obtained from the owner. They are both owned by Noble Energy, and already included in the Exhibit S narrative. See the attached updated Exhibit C maps and Exhibit S narrative. Thank you for your consideration of the responses we are providing and the revised exhibits for the amendment request. Please feel free to contact me with any questions or comments. Cordially. J.C. York. P.E. Attachments: Updated Exhibit C Maps Updated Exhibit E Narrative Updated Exhibit F Maps Monitor Well Map Updated Exhibit S Narrative, Slope Stability Analysis for original permit area u I 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 LEGEND: P W7123 Derr Grovel PrtlDrawIngslM n ng Piam20l BUT Den 20+8 Wring C • dwg MP en 6@1/2,0 •6 IC C2 +e AM A pun wall =WI TACtON . 1St, 1406 1 TAM° M =AM MM ] I/.' Mitt Car SIA•P(a it 10665 I••. I • CT' D' • t\ • !.H • Aa616ent to IOW nu*YAa6N P(a RC -16]1 KC 0 741/7f1 ..MStleCralir 1.11•. „ '- • e t 1 rt .rY 11 � LI II w•. y \ Ca.C* a " rl __ I,, I I • I r -S $ 15 .'•_. —•.�• . — •_ •ate r. •1 • •\ 1:1 • I .` Ti I` I Lafaw 0 • e •' C -(6.45L'I mintA1Ca «1(u ,'.111 •0,(1 VAIN lIP LM.H"' 64P 660 4,11 .15 IA\ alt Or A 'Dynamo* a im CML l r 1 / (prase _F APPR0ZUA6 LO, 1141 . •$ THH AV C0164 KCCOI. 4. I t.., N6Si. raMO (++01a.4 WIn I H/1' i4WMUV CAP tIMAP(0 IL 10th ` cater IMICAR. 5. — • .� .N PROPERTY UNE i ENCE LM EXISTING CONTOURS (2T INTERVALS) GRAVEL ROAD - —_ _ — —..e— - a•— . .• . lOa • — •a a a 100 YR EL000PLAIN • ■ MI PERM' I BOUNDARY HAHCUI LINE PROPERTY OWNERS WITHIN 500 FEET: ASSESSORS I!D._NO. HOSwi0 u4NO. LtC 096204301021 OPO BOX 119 096104100011 KERSEY. CO 80644-019 DAVID BLISS 0 13165 E COUNTY LINE RD LONGMONT. CO 60504 JAMES R KOEHLER, TRW 1001 E C ST GREELEY. CO 60631 Owl ANN HOIINER k JERRY 0 WINT(RS O49 WILLOIICROFI OR LITTLETON. CO 80123 JEANETTE SNOW 503 CHERRY AVE GREELEY. CO 80631 GENE MURATA )7000 WELD COUNTY ROAD A2 GRI CLE•. CO 80631 GLOBAL ASSET RECOVERY, LLC 6530 CONS10U1gN DR FORT WAYNE. IN 46804 SYI VIA k VERNIL H PANKCR ill M BALSAM AVE GREELEY. CO 80631 LOLOFE CONSTRUCTION INC PO BOX 518 KERSEY, CO 80644 DIANA TAYLOR 665 N BALSAM AVE GREELEY. CO 80631 VEGETATION; Al ARIAS WITHIN THE PERMIT BOUNDARY ARE PRIMARILY VEGETATED WITH SWEET CLOVER AND KOCH1A. WITH SPARSELY WIERMIxED AREAS 01 WESTERN WHEATGR/SS 080333000016 060334000018 08033]000017 096103000013 096103000044 096103000051 096 104000064 006104000064 D96'0400004, 096104200012 096104200013 096104301009 YA 460 �1 Exhibit Cl• a 2 el REVISIONS l l A o mi e. r f ry J!T CanSuRN.q, Inc 1;1 Jab 47123 Garr mamas ea 9Naa. in it insides', ,v. t•. tea Sheet a 1 -S. 1RM TIRE s at r. t) in C. tO ai C• Ft a v, t CJ r. u C: CV P .C7.!23 tee•• G•avei PtnDr a• CII. tt• 4113 s' qn 70..4141, • w_ t-4.14• ewe et Men.•. elate MORII COMM, COWte SCCOCM 4. 'Si, 4 See blab I/ 11141 MM J 1/4' BASS CA. :TAY/CD 11 Into!. le i fir Cr It • 444/ ,0..4414 I ,MMMOMI cr 10..4111.4' NMMOY. Cr 1081•411419 I 10' N•C✓ � \41475 St.** • +e CEO` ARK[■ M 0.•.414 0 11' w OP -44.11 1r w _ It -41443 1 tOLOI C4sNUC NOM ;Loft MO fM14• •4lt W •M a r.• w II. Nil& 4 _I4' C✓ 10..41449 N' COP t0..4814• Ni K PSI ts__ t.11 x11740.1 el•+41441. W int at titan 00..410 1,10•091.Cr teaC✓ tar -44100 too. IC w rt-4145 et. Ma ate air Meet • IS' COP F t. •441 S W Re .M, 70 a *44144.0 AesD 1M0Mb J *001.100' to •OM NYRvat.OM rat* •f -I934 Nf MO 741/151 !{RC TIIQ -lie 07 Ira U KWt It -46411 RLCPto4 a N�1 IWD' IAW AND Platt 10 N AMMIOMD At0 It WMO SO •IItIACI14 Pt • CAS • MO tIVOI1 1 C 10 N Pt11DN0 AID AIAMOOKD 'COG GI arie� .036440» Mr; eta HEM WWI Fete' McYS Mae MN•• .w' t flee •Mw•a• I• M,MOt Ieee Its aM r l41tr a M IMlea •I• IC MEI Date ••• 7A tW WPM Ia1 re M .M ,106 Oat OS Ot/4•4 t• -a. coca It I rmo fa P'7." St t 1 0 1 .11' sills140- ,C PVC ti.4., I — ale• Ili •M' Ilea IS - .M4I NOS 411 Il a 10 ' t`44tt ela.4. ROI/e ore .r / I,M 4 I i \ utmost P MM Peale A 4 ) II II 1 `MWI 400.444 'am INK 1s' C✓ n -44.I _+5• OW IS' Cur IL -441.9 Mete .ON• MD 4.W 10 N 41440040 MID eIMOVED IN rullS WNMO tat YMCA* 700 r NIMa VI- PON1 ell it Is RI10KD 101•1114•• 41 14161 NWti I Stan YM alnItNI 11..4141 1131103• WAN MtNNO 11.411440 O NR O. 4.0.1404OUR 11-4 OMR W)-4 ` - MP.O.NAIt 101 t•4 PM 14.• MWS 4140.4 IMO >K r M.¢ 1r 'Olt 01.l +0..4414 t - CIA' PPC ft.41St3 N• w 10..414.4 m 00 W a S. Win* Oct 1.DIIRAP CAt t*l t1aw0 at WM14a 700 II SHACK .105 CAS WT4 1 4 WtOCARD II 'M04LL lid e0' I .ION;EMIR. 4-4- I _ ,ODD% Y _ KO SMOG MI . .lm at we Stilt -t 010.4644 2 %K - it OP •L05 H•; w IL. , I i. OW lt•in.I VC Cr t •4444 S 74' w It •4.74 1r.10' cr. It -41473 IE.3O' Cr It•4•e7 S 'to SOO- +4I-1071' WO.01M0 IatOCAtID GS IM IL 30' CM. f - 101• 4M I MWatri NW tact' r•1 044 MWII[ AP.RO•WR 107 ON( r P10p1LO MtOCA1t0 OMs 114 S. actin anew 10 tot A /-NAM Ile •0 HMV WIC 1 if `044404 MMeI.. MAOM•s f WI- -71n 1011. itAnSAS 0 INM4 }4- two Ma11CAST CCRI{• .1.41431 MCC* 4,tIt0SMe �15* 7DWD + 1/7' masts CAP 11AM.f0 tT A47s 4A• IS IIAMACt0 ctatca It MRKATOUN . 11' w TOP -444 ls• C-' '+-444 . r,M ►p. •' eir MK ft -11445 "Sc. rl-W,• Is' w is -41437 WOO' not '0.•4»I IS'IS' OM t0.- 44.0 • I Ty I ■0• Wins tat tea et A001 tDMN 70 1O• NSLRVAOa n. N-414 aft tD 14,715' 30' CalP TOP-it•3 10' w -1454 7 V * Dmt AM MOffIC. AMC 141' VMTRs EVOKE I. ;. 1r w 10..454 it or 10.•4».9 (Ast D11MRO CORW. SCCIT05 4. IMt 11W 14110 *114445 CAP LEGEND:_ • rat Cain MRC Dt 0 • • Is 0 GAS LINE MARKER GAS VALVE WELL WATER MC TER WATER FAUCET WATER LINE MARKER ILCC ERIC TRANSIORMIR TREE TELEPHONE PEDESTAL TELEPHONE LINO MARKER PROPERTY LINE FENCE INC OVERHEAD XCEL POWER UNE EXISTING OCP MIDSTREAM GAS LINE NORTH WELD WATER DISTRICT WATER LINE EXISTING CONTOURS (2' INTERVALS) CRAWL ROAD PROPOSED PERMIT bOtmDAN PROPOSED I NAt WANG LIM PROPOSED SLURRY WAlt 140 300 400 OGLE N MEET la Exhibit C-2 4 I t f Broken Arrow Investments a • M•20O8.017 g 1 i I 4 4 6 C R D D f N lkl Co nu41Iq, Inc ;at— _AMP ills_ _24.1•" 64 n% Shaw 2 3 I PIOP01E0 NOWT / Min, Out I • 1 I - I ,I I I I 4 PUTS! NOR! ININOY MOM OPS1MTOI710N I, ,_L_ _ II 1 II 7W I I Jr fl I O•[RIIAO POOR 10 tS AMA • AMIOONED AAO Rea • I r N FOILS( sag at IRANIAN NI / 300 n MACK D POOR r I / nt itan t 0 WIAN•WI 1 I •ARAN Si 1a tO O NANIAn[D wont Ol /Om MILS AM COYPU OD P1MK Is • Was 1Mq 7R/ OW SOWN CAM, No Ikaamalw ewes PI P•• Pd D. Sec SIM AC i i -'! a-- •* I •••' KJ..Nn • II, n AY•• 'Oro MEMO •. '0 9Y•' Sin n NINA noew Y,Nn W. I I a / \ / Owl Maas % VOW.° A1L•• NNK• i I. MAC / %%_ �~• IUE,•R C.I.I. •1.0\ r Oa r nos 1 N' • \\� w T •00oR wt_ Sr r •S In R woo LS Ca Pam NM.oiawMwrr MANS 1111IKNI r 00 CIO MAO % `IV was •D Aln �1 NW I/NYDM10 al Lt Moo to 40 All m10• af.�t MAKI III AO .r �.n ;i • A r'. YY{. 'I II d C Q PMI! 1 /! AC.06416.1 S 111 AC L _ —T 'Cat KilmOCIA•1 }1µ 1•nCh NCO CAL MN w PIP[. IRS AC • I, 1 I ./ I/ c t 1 N LY'IFS •-tyy .S LII.W[I IT•C ••YIL 4 \ 11N NYUl7 1770 AC L__ 17 A Er Nay NO•DSF.o ML OCAti ti OA1 Olt San labelfl to ROE A "I$A1 NC MX nun. PRG►OISD MIOCAttO OAS toil RIM cRouno EIt61nc _ I 0 a I MI • DO,AA1CI *WS 1 rA•'Y. PROPERTY LINE FENCE LINE RELOCATED GAS LINE GRAVEL ROAD PROPOSED PERMIT /CUNOAR• PROPOSED FINAL MNNL IIWT STOCK PILE AREA PROP05E0 SLURRY *Alt .1 N RD D(MTEIIRC I"1 'I TYPICAL MINING SECTION OEMTtRRC 1*10,--_ PIAP TO ObwR01 CEO. DEWATERING COLLECTION POND Io TOTAL PERMIT AREA = 145 05 AC TOTAL MINING AREA = 7521 AC /D 0 IDD OOU 4(d. SCAI IN LEE a ij1-4 1118 ocil 11;' 4 Y1 )T 1•y PI a Exhibit C-3 Q n F' t Broken Arrow Investments a 0 M•2008.017 REV'SIONS k I a 0 0 n n I!T Con.l•IMnp, Inc /.F 0!1)1 bay I' Ibc Sheet a 3 EXHIBIT E Reclamation Plan Water storage will be the primary final reclaimed use for the Derr Pit Project site. Portions of mining areas will be backfilled and reclaimed as "native- areas, which will be re -seeded with native vegetation and will also include areas where native trees could be re -planted. The majority of the mining areas will be reclaimed as a water storage reservoir. The remaining area within the proposed permit boundary will consist of reservoir shoreline. unimproved access roads around the reservoir, and reclaimed or otherwise undisturbed land. The approximate acreage of each of these areas is: Final Land Use Reclamation Plan Area (acres) Alternate Reclamation Plan Area (acres) Reservoir(s) Water Surface 64.30 68.41 Street/County Roads/Access Roads 4.65 4.65 Reclaimed Vegetated Land and Undisturbed Land 71.10 71.99 i TOTAL_ 145.05 145.05 Water Storage ReservoirLs) In general. the mining limits will be mined to the siltstone/claystone bedrock. The relatively impermeable bedrock will make the bottom of the reservoir. The reservoir will also be separated from the surrounding alluvial aquifer by a slurry wall liner The slurry wall liner will be keyed into the bedrock material and extend upward through the entire height of the alluvium. Design specifications and quality control procedures used during construction of the slurry wall liner will ensure that the reservoir meets State Engineer's Office (SEO) performance standards for permeability. The slurry wall liner will be constructed between year two and year three of the mining. All reservoir slopes left by the mining operation will be reclaimed to at least 3H:1V final grade. Reclamation of the exterior cell walls will be concurrent with mining. Since reclamation will be concurrent with mining. most soil. overburden. and bedrock material excavated during mining will be used almost immediately. Scrapers and dozers will be used to place overburden material along the reservoir perimeters to achieve the final grade. Upon placing the backfill material. 95 percent compaction will be achieved to insure adequate integrity of the slope. Final reclamation by capping with topsoil and re - vegetating above the expected reservoir water level will follow backfilling operations closely to minimize the amount of disturbance at any one time. Reclamation Measures/Materials Handling Backfilling will be done to provide stabilized shorelines around the reservoir and to minimize erosion. The backfill material will consist of native bedrock claystone. gravel, overburden. and topsoil. There will not be known toxic or hazardous materials in the IJ&T Consulting, Inc. Derr Pit Project DBMS 112 Permit backfill material. Additionally. it is not likely that acid forming or toxic materials will be encountered during mining. The mining will not leave high walls on the property. In addition, there will be no auger holes, excavations. or shafts left on the property. Overburden and topsoil that is removed during the mining will be used to reclaim the mining slopes and areas that are disturbed during the mining such as haul/access roads and the recharge pond. Overburden will be placed in the areas such as haul/roads and the recharge pond to bring the grade to the final reclaimed elevation. The overburden may also be spread on the 3H:1V mining slope to use the excess overburden to exhaustion. This will be accomplished by using a dozer to spread the overburden material to a depth of one foot or less across the entire mining slope thus maintaining a 3H:1V slope. The slope will be compacted as described in the previous paragraphs for the Water Storage Reservoir. Topsoil will then be placed to finalize the grading such that seeding can occur. The topsoil will be placed at all disturbed areas and on the mining slope to an elevation matching the expected reservoir water level. Top soiling The top six inches of soil on the property is classified as topsoil. This layer includes the root zone of grasses and crops, which will be stripped and stockpiled separately. By using concurrent reclamation techniques. the topsoil is not expected to remain in stockpiles for more than one to five years. If the stockpile remains more than one growing season, it will be seeded with a fast growing vegetative cover to prevent erosion. All topsoil will be retained on -site to reclaim the reservoir shoreline, and other areas disturbed by mining activities. Where required, topsoil will be replaced to a depth of approximately twelve inches. Revegetation As mining operations are completed, areas for reclamation will be graded and shaped for revegetation. Runoff or excess water from adjacent areas will not be allowed to flow over slopes being graded and seeded. If needed, berms or channels will be constructed to divert excess water and dispose of it in a safe and non -erosive manner. Upland Areas. For disturbed upland areas. the reclamation plan includes re -vegetating with appropriate seed mixes to minimize erosion and reestablish natural terrain. The grass mixture below was selected to be long lasting and regenerating, as recommended by the Greeley NRCS field office. The ground will be fine graded prior to seeding according to recommendations from the Natural Resource Conservation Service. Reservoir side slopes below the anticipated reservoir water level will not be seeded. The proposed seed mix is shown in the following table. Upland Grass Seed Application Rate (#PLS/acre) oho in mix Switchgrass (Greenville. Nebraska 28. Blackwell, Pathfinder) 0.8 #PLS/ac 20 Yellow Indiangrass (Lano. Holt, Cheyenne. Oto) 1.0 #PLS/ac 10 JET Consulting, Inc. Derr Pit Project DRMS 112 Permit Sideoats Grama 1.8 #PLS/ac 20 Blue Grama (Hachital, Lovington) 0.3 #PLS/ac 10 Western Wheatgrass (Arriba, Bartonk, Rosana) 4.0 #PLS/ac 25 Sand Dropseed 0.03 #PLS/ac 5 Little Bluestem 0.7 #PLS/ac 10 Totals 8.63 #PLS/ac 100 Application rate is for drilling the seed. If seed is rate will be doubled. to be broadcast. the application The seed mix for final reclamation as described above does not require fertilizer as recommended by the local NRCS office in Greeley, Colorado. The seed mix was revised slightly per the NRCS's latest recommendations that require less seed to be drilled or broadcast per acre of disturbed area. Upland grass seed will be planted with a drill equipped with depth bands and press wheels. The seed should be drilled in the spring in the month of April for best results. The seeded areas will then be covered with straw mulch at a rate of 4.000 pounds per acre. The straw will be crimped into the soil to control erosion until the grass becomes established. See the attached NRCS seeding recommendations. If a significant invasion of noxious weeds occurs after seeding. the weeds will be mowed before they can go to seed. The areas will be mowed periodically for additional control as needed. Mechanical control will be used as a first priority. Chemical methods will only be used if no other alternative produces acceptable results. Temporary Stockpile Areas. For temporary stockpiles, the reclamation plan includes re -vegetating with appropriate seed mixes to minimize erosion and establish more rapidly to stabilize the stockpiles. The grass mixture below was selected as recommended by the Greeley NRCS field office. The proposed seed mix is shown in the following table. Temporary Stockpile Seed T% Application Rate• (#PLS/acre) in mix Slender wheatgrass 2.8 #PLS/ac 25 Smooth bromegrass 3.9 #PLS/ac 30 Pubescent wheatgrass 4.2 #PLS/ac 30 Sand dropseed 0.03 #PLS/ac 5 Crested wheatgrass 0.6 #PLS/ac 10 Totals 11.53 #PLS/ac 100 p * Application rate is for drilling the seed. If seed is to be broadcast, the application rate will be doubled. The seed mix for final reclamation as described above does not require fertilizer as recommended by the local NRCS office in Greeley. Colorado J&T Consulting, Inc. Id' Derr Pit Project DBMS 112 Permit Water — General Requirement To minimize the effect on the prevailing hydrologic balance, the operator shall: a. Comply with all applicable Colorado water laws. b. Comply with all applicable Federal and State water quality laws and regulations. c. Comply with all Federal and State requirements for dredge and fill. d. Re -grade and backfill all sediment and siltation structures after mining is completed. Groundwater — Specific Requirements The operation will not affect groundwater quality on or off the site. The operation will comply with State groundwater quality standards. Due to the absence of sources of potential pollutants, groundwater quality monitoring is not required in this operation. The mining and reclamation will affect the groundwater table surrounding the mine site. Proposed mitigation efforts to minimize these impacts are a recharge pond along the southeast corner of the property to maintain groundwater levels during the mining. and a perimeter drain if needed to convey groundwater around the lined reservoir after the slurry wall is installed. The depth to groundwater has been measured on a monthly basis in piezometers located on the interior and exterior of the proposed slurry wall alignment since October 2006. These measurements will be used to establish what the seasonal groundwater levels were prior to the mining exposing groundwater, and as a benchmark for maintaining the groundwater levels in subsequent years. Groundwater depths will continue to be measured and recorded at monthly intervals in each piezometer and compared to the benchmark levels. The triggers that would require the perimeter drain to be installed are as follows: A three foot difference in the depth to groundwater from the benchmark seasonal groundwater levels in two or more piezometers for two consecutive months. Broken Arrow Investments. LLC proposes that the groundwater elevations be monitored through onsite wells before, during and after the mining and reclamation is complete so that impacts to the groundwater table, from this mining operation. can be identified and addressed. It is the intent of Broken Arrow Investments. LLC to operate responsibly and to mitigate damages to wells that are directly attributable to the mining and reclamation of this site. For more specific information please refer to the well owner agreements and narrative included in Exhibit G. Reclamation — Approximate Time Table The proposed rate of production for the mine is 300.000 to 600.000 tons per year. The total time frame to mine every phase is approximately 12 to 24 years which allows for J&T Consulting, Inc. Derr Pit Project DRMS 112 Permit years where the 300.000 to 600.000 tons per year production rate is less. The following table shows the approximate time frame to finish each phase of mining: Mine Phase and Acreage Time Frame to Complete and Reclaim Phase Phase 1 - 6.92 acres 2 years and 7 months Phase 2 - 6.81 acres 2 years and 7 months I Phase 3 - 8.21 acres 3years and 3 months Phase 4 - 9.90 acres 3 years and 10 months Phase 5 - 16.71 acres 4 years and 8 months Phase 6 - 11.69 acres _ 3 years and 3 months Phase 7 - 14.71 acres 4 years and 1 months The assumed maximum production rate is 300.000 to 600.000 tons for processed material leaving the mine each year. An average production rate of 300.000 tons per year was used to calculate the reclamation time table. The size and area of reclamation varies for each phase but generally consists of the outside mining slope being reclaimed at a 3H:1V slope with the addition of overburden. topsoil, and revegetation. For more information on sequencing and size of the reclamation activities refer to Exhibit L financial warranty calculations. Reclamation Plan and Alternate Reclamation Plan The reclamation plan attached in Exhibit F depicts the reclaimed reservoir(s) with an existing oil/gas well in the center of the reservoir with setbacks recommended per the existing slope stability study, for the area that was originally permitted, that will be implemented if an agreement with the oil/gas companies cannot be reached to re -locate the existing well. All the additional areas in the amendment will not be mined within 200 feet until an agreement with the oil/gas companies. property owner(s), or utility owner(s) can be executed or a slope stability analysis can be performed if an agreement cannot be reached. An alternate reclamation plan has also been included depicting the reservoir for the original permit without the existing oil/gas well remaining in place. The alternate plan has been submitted in the event that the surface use agreement with the oil/gas company will be finalized and the existing well could be re-located/abandoned as a part of the proposed surface use agreement. J&T Consulting, Inc. hall I Derr Pit Project DRMS 112 Permit Subsurface Exploration Report Proposed Slurry Wall Sand & Gravel Pit Part of Sec 4, TSN, R65W, 6th P.M. Greeley, Colorado December 3, 2006 Two Rivers Testing, Inc. 1601 37`" Street Evans, Colorado 80620 (970) 339-4092 TABLE NO. 1 - BORE LOCATION DATA TRT BORE # D&D BORE # NORTHING EASTING EXISTING GROUND ELEVATION (FT) TOP OF WELL ELEVATION (FT) 1 1 1400384.332 3232400.544 4633.33 4635.78 2 3 1400366.071 3233172.936 4631.63 4633.70 3 5 1400354.778 3233959.471 4629.83 4632.40 4 7 1400949.048 3233916.872 4630.52 4633.23 5 8 1401305.720 3233832.300 4630.53 4632.91 6 11 1401437.642 3233152.121 4634.50 4637.06 7 13 1401410.230 3232418.749 4638.15 4640.65 8 14 1401071.219 3232405.372 4637.61 4640.25 9 _ 12 1401373.829 3232778.833 _ 4636.29 4638.77 10 9 1401324.403 3233462.537 4632.63 4635.43 11 15 1400927.414 3233248.678 4630.68 4633.52 12 2 1400414.170 3232770.927 4632.48 4635.05 13 4 1400403.192 3233516.356 4630.70 4633.41 14 6 1400601.020 3234300.943 4658.46 4661.07 15 i 10 1401826.023 3233413.749 4661.19 466181 * Northing, Easting, and Elevations provided by Dust & Dirt Excavating LABORATORY TESTS AND EXAMINATIONS Samples obtained from the test borings were subjected to testing and observation in the laboratory to provide a sound basis for determining the physical properties of the soils encountered. Moisture contents. percent passing # 200 sieve, and the USCS classification were determined. A summary of the test results and laboratory analysis can be found in Appendix B. SUBSOIL AND GROUND WATER CONDITIONS In summary, silty sand with gravel soils were encountered at the surface with varying levels of sand, gravel and cobble intermixed with lenses of clay. Below these soils, weathered and competent bedrock soils existed to the depths explored. 1) Upper Soils Varying levels of silty sand with gravel soils exist at the surface to the bedrock encountered below. Below these soils exist varying levels of silt. sand. gravel and cobble mixed with intermittent layers of silty sandy clay. NOTE: i07+29 Der, C-ra+e P D.aw^ngstRec arratcn pant2018U?-Derr 2010 reclamation ALL D1STyR8L0 AREAS DUIS4)E Of WATER SURFACE WILL BE SEEDED AND MULCHED WITH THE E%CCPDON DF ACCESS ROADS *pact. WILL BE GRAVEL SURFACED. I I 4. I 4.,., •44 I I I I I I I I III Ut • s y God Salk( I 'q .30 NMI 4 r 11'I 1 I y (2C i` 7 p, I. .A.6--' 4620 4610 4600 46000 461P 462. 4610 } CfWt 1 µ40 4430 4620 4610 4600 4 4 ♦STD 4660)1 -j- -T-� _ 69 '+-,-{I- •fl h) - T trrame- n.a111. 4N I1 nOs O0 1: Ott It flea a sa. i_ _ A.._...- 1 �H t 1 c IOTA l T r I a I 4 LEGEND: • URIC'` VOLE OUT SRC GAS tiNE MARKER • CAS VMK WELL ci MATER METER % WATER FAUCET WATER LINE MARKER • (LECTINC TRANSFORMER TREE ICI TELEPHONE PEDESTAL TELEPHONE LINE MARKER PROPERTY LINE FENCE TINE a a OVIRMAO XCEL POWER 'Wit a— — EXISTING OCP MIDSTREAM GAS A, NORTH WELD WATER • DISTRICT WATER LINE - -. _.a0— — EXSTING CONTajf5 (7• INTERVALS) = GRAVEL ROAD IFS Fr a� PROPOSED PERMIT BOUNDARY - PROPOSED AURRY WALL 4640 PROPOSED CONTOURS PERIMETER DRAIN MATER SURF AU 400 SW.. u C 1.41 C 14;J t uJ6 C O OFf 4 mis N 4.4 .O W a C • • C 3 0 I- 4 C • G a Derr Gravel Pit M-2008-017 N 6 5 cc to 8 4 4 t A O •0 N KI f V. _NT Collault.AO, 1 3 NOTE: A . :..4IIiO AREAS OU1STOE Or *ATER SURrW I. Witt RE SEEDED AND MULCHED WITH THE E%CEwTION OF Access ROADS ono, WLL et CAMEL SURFACED Ili Y. I I I I I I II I I I I ti I -k- 4440 4450-4-z-Ht'P _ 4630 4610 4600 ausepase 46 4670 4410 ��- 4600 ��— 4560 4580 _ 4570. CAA 455. .r... 114 0+.. It 41y II:n 4550 4560 4510 4560 4560 4600 4610 ...1 4 NIL 41 + l t Won• .ro-104-7001 L ror sips ,NINN• VMS v NW•Ra n II -4.._, d ,I (AY YI Al 401 4. l Ma r POMP 04 I Old LEGEND: • ,..,t IY olc GUY ORE GAS OW MARKER 1 • GAS VANE S VALE (g) WATER Mt TER TR WATER rALICtl WATER UNE MARKER A ELECTRIC TRANSFORMER eJ TREE Jl TELEPHONE PEDESTAL TELEPHONE LINE MARKER PROPERTY URE 1ENCE LINE a a OVEmRAD LCEL POWER LINT 6 -- (LISTING DCP MIDSTREAM GAS oNt NORM WELD WATER DISIRIC7 WATER URE ...• — EWSIWG CONTOURS (2. INTI RYA.•.; - -- = GRAVEL ROAD PROPOSED PERMIT BOUMDAR♦ PROPOSED SLURRY WALL 4640 PROPOSED CONTOURS PERIMETER DRAIN WATER SURFACE IN1 1L U 6.'.Pelt Pb It. t: 3' 5' VARIES A5TM CS3- 7 CONCRETE AGGREGATE ASIA C33 CONCRETE SAND (a REOUntt D) BACdflLt EXISTING TRENCH WITH NAIVE WIEROLS 4 0' SANDY CLAY OVEREIURDEN SAID AND GRAVEL At 4 IMUM PERIMETER DRAIN DETAIL (TYPICAL SECTION IF REQUIRED) VARIES TYPICAL BACKFILL SECTION OVERBURDEN AND TOPSOIL. - aACxfill ALL DISTURBED AREAS DOWN TO WATER SURFACE SLURRY WALL NOTES: Derlm..tc 4P/PV raid API Sic ISA Viscometer F orate Lou Moisture Content ASIA D 7)16 ins Irian 3 weals" than 30 Isae than It. cm3 ens then to percent lest resale for each lot al bamm^.le mint Oe povded 2 tar Swcdcalons Hardness fold Onsolveo Soria% Dtl, agonc• odds. odroti Chord. 6-8 Jam than ben Inge, in. than retort 200 porn 500porn 50 room each 3 990j0Dtl ...5sa Genera' Soecnca.atens The u it ci bentonite slurry must be tested plot to pocament ,n the bench the spry may be mted in high sneer misers or mud and hydrated a starry hyardton ponds In general. 0 m.nmgm nyyal.on lime at 8 hours sal abets IM bentonite slurry to meet as cnlvk A maim./n benlotcte content of 6 portent a Ina sherry by wowed 'i leached 4 a.nlafatt Ibiza! Tnl.np SantlAl t1YN Lelaut_Plaaemsnt viscosity Measured w/ Marsh Eurvyl (API an 136-I) leis than 40 sec Voss Inc.. 64 pct less than 20 cm3 65 to TO Density filtrate Lase OH the lest. 'sled above should De r n I air 7 times par sn.rl and al fleet once per batch or Murry The slurry mu•l be further tested otter placement -in Ins trench the loots conducted are far viscosity, dens.ly, sand content, and pH Two sets at lest. Per shill al leer locations in the trench (appro..mat.ty 2 feet befog the slurry ,enact and 2 feel above the bottom of the trench) ore teat -td It the density of Inc wary in the trench Cncnnds 85 DO the ..cess sake 'n.nt be removed by dung or the slurry replaced ettn fresh slurry Tne stuffy e.et must be m onlolned of 'NOM 3 Int above the groves] sotto e•not.on and no mere then 7 feel below the top Ot the *viand polronm S tLnlon le Slap. Isaias Sorcit.&ajtaCI alp Jhoc.men1 Unit Weight 103 to 1 40 9m/cm3 Sand Content AMY D 4361-84(t993)e,0 to 20 percent try .aurae 6 SOLI . BRABVItlt SKILL Saec4l6atats 5 R oocbl l stump A$TM C 143 l sal per IOU cu yds 'lump 7-6 inches S- D ['Deihl, grodalierl 1 let per 300 cu yds Screen (us Standard) 5 .ncn 1 4 µ0 /700 Percent by Dry Weight I00 40-80 75-60 70-40 Mm,mum Pldsl4ily Irides of 10 1 �y RASA and Slurry Wed Cad Snerdirations During e.covgton, s0undin9s should N obtained to determine the fevol ons of the tee of the sty loytr the bottom of the e•co.alon. and the bottom of the IHnch error to DOGStIIaq. It sediments in *.less at 2 +Ghee have oCcumueled •1 5 necessary to cyan the trench Dollom by a,rldt pumps a e.cavatcn e quipment to ramous IM sand and sediment Trot has settled The trench bottom should De cleaned. as o m,n.mum, at the beginning id earn Ault Soundings shouts De oblo+ed oppo.,molely every 20 feet Adequate seymg ,n the S -ti bocsbll to on impermeable ever at the DON of IM so' sill the tsquvee one specified In the IMO design reecrl to the Murry soh TN design documents sin include o dnc..pt.m at the key in toyer and Cessna, hot Trench cull.ngs or of Mr obsetvolions sill be used to assure that the s4nry sail sill be edequotety keyed. Temporey slurry tall paecllan sin be •squired in IM rotor Of 0 nOncOmpocled spit cover placed sitnn one day over each backlifed 100 fool leach The temporary cover s 'Whale otter settlement (oppro.tmotety 2 ) one replaced with u compacted clay cover over the competed slurry *eh a Post Cpmtrurton Inlays Past Construction testing eft be conducted .n oCCpdanCe shin the Yowtado State Engineers Once. 9 Above epec,ttcotmns (notes I -a) are provided es a genera guideline for peim,lfing Purposes Fns seecaicatOns and design Criteria an be o.velaped aur.ng IM tact design of the slurry wan Broken Arrow Investments Derr Gravel Pit M•2008.017 RE ViS .0 NS 6 K ft D e on.un rg nc . •4t Olin 7Ill Try .IT - lie rime N6i 1".150 Sheet a 3 P:107123 Derr Gravel Pit\Drawings12018 Monitoring Well Location.dwg, Layoutl, 6/7/2018 12:41:04 PM BALSAM AVE. MW 1 r fr= MW 7 17 - EAST C STREET IIMIIIMIl U MW 6 -.sire = L 1M W 9 • • NW8 \ / 1i MW 12 CID MW 10 4MW 11 MW 5 MW 13 LEGEND: MW 2 MONITORING WELL MW 12 MONITORING WELL NUMBER X BMW 4 ' MW 14 II , MW 3 I I I 400 200 400 SCALE IN FEET IL J&T Consulting, Inc. 1400 W 122nd Avenue - Suite 120 Westminster, CO 80234 303-457-0735 BROKEN ARROW INVESTMENTS, LLC DERR PIT MONITORING WELL LOCATION MAP Date: 6/7/18 Job No: 07123 Drawn: WSS Scale: 1" = 400' Sheet: 1 Of: 1 EXHIBIT S Permanent Man -Made Structures within 200 Ft of the Affected Land Surface Use/Damage Waiver Agreements that have been obtained. and associated structures: Owner: DCP Midstream Structures: Oil/Gas Lines Owner: City of Greeley Structures: Improved/gravel roadway, culverts Owner: Loloff Construction. Inc. Structures: Fencing. Slurry Wall Owner: Global Asset Recovery, LLC Structures: Fencing. Ditch Surface Use/Damage Waiver Agreements that are being pursued. and associated structures: Owner: Centurylink Structures: Phone/Fiber lines Owner: City of Greeley Structures: Improved roadway/ROW. signs culverts. borrow ditches Owner: David Bliss Structures: Buildings. fencing Owner: DCP Operating Company, LP Structures: Oil/Gas Lines Owner: Dixie Ann Hoffner and Jerry Winters Structures: Fencing Owner: Extraction Oil and Gas. LLC Structures: Oil/Gas lines. Oil/Gas Wells Owner: Gene Murata Structures: Building Owner: Hoshiko Land Structures: Irrigation Structure JET Consulting, Inc. Derr Pit Project DRMS 112 Permit Amendment Owner: James Koehler Revocable Trust Structures: Buildings, fencing Owner: JBS Structures: Sewer Force Main Owner: Jeanette Snow Structures: Buildings. fencing Owner: Noble Energy Structures: Oil/Gas lines. wells, pumps. tanks Owner: North Weld County Water District Structures: Water lines Owner: Sylvia and Verne Parker Structures: Buildings Owner: Weld County Planning and Building Structures: Improved roadway/ROW, signs. culverts, borrow ditches Owner: Xcel Energy Structures: Power lines/poles, Electric lines (buried) Broken Arrow Investments, LLC believes that the mining operation. as proposed. will not adversely affect any of the permanent. man-made structures located within 200 ft of the affected area. However. the applicant still anticipates providing evidence of agreements for compensation with the appropriate structure owners or engineering evaluations that adequately demonstrate that the proposed mining and reclamation operations will not result in damage to the structures. L. JET Consulting, Inc. Derr Pit Project DRMS 112 Permit Amendment SLOPE STABILITY REPORT FOR THE DERR PIT PROJECT WELD COUNTY, COLORADO MARCH 2008 PREPARED FOR: BROKEN ARROW INVESTMENTS, LLC 699 N. FIRST AVENUE GREELEY. CO 80631 PREPARED BY: J&T Consulting, Inc. 1400 W. 122N0 AVENUE - SUITE 120 WESTMINSTER, CO 80234 PHONE: 303-457-0735 FAX: 303-920-0343 CERTIFICATION: I hereby certify this slope stability analysis for Broken Arrow Investments, LLC, the Derr Pit project. located in Weld County, Colorado was prepared by me or under my direct supervision James C. York Registered Professional Engineer State of Colorado No. 36846 L. Jx.I. Consultiing, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Page i Table of Contents I. Introduction II. Overview III. Geotechnical Data IV. Design Analysis and Criteria V. Methodology VI. Slope Stability Results VII. Conclusions and Recommendations Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Slope Stability Case Location Map Slope Stability Case Cross -Sections Slope Stability Case Xstabl Output Geotechnical Investigation Reports USGS Map. Oct. 2002 revision — "Peak Acceleration (%g) with a 2% Probability of Exceedance in 50 yrs" Ill J&T Consulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Page ii INTRODUCTION Darwin Derr proposes to mine the property located in the Northeast 1/4 of Section 4 Township 5 North, Range 65 West, Sixth P.M. in Weld County. The property is bounded by Balsam Avenue on the west. adjacent to an Aggregate Industries mining operation, and private property on the north, south, and east State Highway 263 (81h Street) is less than a quarter of a mile south of the subject property. The proposed mining operation will extract gravel reserves from locations adjacent to man-made structures. The rules and regulations of the Division of Reclamation. Mining. and Safety (DRMS)require that any mining within a 200 foot setback of a man-made structure show thorough engineering analysis that the proposed mining will not cause damage. The accepted method of demonstrating this is through a slope stability analysis. This report contains an overview of the prior geotechnical investigation results by Terracon and Two Rivers Testing, and the methodology used in the analysis of the mining slopes and their estimated affects on all man-made structures. Recommendations regarding acceptable setbacks from man-made structures have also been included. OVERVIEW The DRMS mining plan proposes that the property will be mined in 7 phases. The reclamation plan. Exhibits E and F, propose the future use for this property to be a slurry wall lined water storage reservoir. The mining will occur at 3H:1 V slopes. Concurrent reclamation is planned such that the reclamation embankment will be constructed as the mining progresses. The reservoir will cover an estimated 30 surface acres when full. Actual surface area will depend on the final configuration of the reservoir after reclamation is complete. GEOTECHNICAL DATA Preliminary geotechnical investigations have been performed by Terracon and Two Rivers Testing. J&T Consulting. Inc. (JT) estimated soil strength parameters based on the information from the geotechnical investigation. which was provided to JT by Darwin Derr. and other stability analyses that have been performed on gravel mining operations along the front range. Table 1. on the following page. represents a summary of the soil strength parameters that were used in this stability analysis. RI J&T Consulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Page 1 Table 1 - Soil Properties Description Max density (pcf) dry Saturated Density (pcf) Cohesion (psf) Internal Friction Angle Slurry Wall 62.4 62.4 0 60 Sand and Gravel 110 125 0 35 Weathered Bedrock 125 141 100 18 Stable Bedrock 125 141 2000 20 JxI. Consulting, Inc. Broken Arrow Investments. LLC - Derr Pit Project Slope Stability Analysis Page 2 DESIGN ANALYSIS AND CRITERIA The proposed mining slopes were analyzed using the XSTABL v5.105a computer program. XSTABL was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. For this project, four cases were identified as critical during the mining operation. Static and pseudo -static conditions were analyzed in each case. Pseudo -static peak acceleration factors were taken from USGS information for the western United States. The 2% probability of exceedance in 50 years (the most conservative) was used. Surface loading equivalent to an HS 20 highway load was applied adjacent to each area to simulate heavy equipment loading that could be present at that location for maintenance or construction activities. All mining side slopes will be 3H:1V. Case 1 — South Property Line (SOUTH 1). The mining operation is adjacent to a private property on the south side of the site. The proposed setback for mining is 50 feet from the property line. The mining depth was assumed to be 85 feet in this area based on bore log information in the geotechnical reports. Case 2 — Existing Balsam Avenue ROW (WEST 2). The mining operation is adjacent to Balsam Avenue on the west side of the site. The mining depth was assumed to be 75 feet in this area based on bore log information in the geotechnical reports. The proposed mining setback was set 40 feet from the existing ROW. Case 3 — North Property Line (NORTH 3). The mining operation is adjacent to a private property and some minor electric utilities for a portion of the north side of the site The mining depth was assumed to be 85 feet in this area based on bore log information in the geotechnical reports. The proposed mining setback was set 127 feet from the property line. Case 4 — Existing Gas Well (WELL 4). An existing gas well is located in the center of the proposed pit. The mining depth was assumed to be 85 feet in the area based on bore log information in the geotechnical reports. The proposed minimum mining setback was set 150 feet from the gas well. The cross -sections located in Appendix B show the estimated phreatic surface associated with each case as well as the geometry used in the mining. lConsulting, Inc. i Broken Arrow Investments. LLC - Derr Pit Project Slope Stability Analysis Page 3 METHODOLOGY The mining embankment configuration shown in the computer analysis represents the estimated conditions for this site. If mining conditions differ from the estimated conditions. the slope stability will need to be re-evaluated on a case by case basis. The Bishop Method was used in the computer analysis for determining safety factors. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 2.000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) in evaluating embankment dams. and industry accepted standards for the evaluation of temporary structures during construction. SLOPE STABILITY RESULTS The SEO requires minimum safety factors of 1.25 for static condition analyses and 1.0 for pseudo -static (earthquake loading) condition analyses for Class I (high hazard) embankment dams This design criteria was used to establish the desired minimum safety factors for this project and should be considered as highly conservative for evaluating alluvial mining slopes. The calculated factors of safety are within the design criteria specified for this project and can be considered indicators of the mining slope performance under the various conditions. The results of the static condition and pseudo -static condition slope stability analyses are presented in Table 2 and Table 3. Table 2 - Static Condition Slope Stability Analysis Results Description Calculated Factor Of Safety Required Minimum Factor Of Safety Case 1 — South Property Line 1.30 1.25 Case 2 — Existing Balsam Avenue ROW 1.30 1.25 Case 3 — North Property Line 1.30 1.25 Case 4 — Existing Gas Well 1.46 1.25 Table 3 - Pseudo -Static Condition Slope Stability Analysis Results Description Calculated Factor Of Safety Required Minimum Factor Of Safety Case 1 E — South Property Line 1.02 1.0 Case 2E — Existing Balsam Avenue ROW 1.03 1.0 Case 3E — North Property Line 1.02 1.0 Case 4E — Existing Gas Well 1.16 1.0 J& i. Consulting. Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Page 4 CONCLUSIONS AND RECOMMENDATIONS Case 1 - The resulting safety factor of 1.30 meets the SEC minimum requirement of 1.25 for an embankment during construction. The resulting safety factor of 1.02 is above the SEO minimum requirement of 1.0 for an embankment subject to earthquake loading. The proposed setback of 50 feet from the south property line is satisfactory. Case 2 - The resulting safety factor of 1.30 is above the SEO minimum requirement of 1.25 for an embankment during construction. The resulting safety factor of 1.03 is above the SEO minimum requirement of 1.0 for an embankment subject to earthquake loading. The proposed setback of 40 feet from the existing ROW is satisfactory. Case 3 - The resulting safety factor of 1.30 meets the SEO minimum requirement of 1.25 for an embankment during construction. The resulting safety factor of 1.02 is above the SEC minimum requirement of 1.0 for an embankment subject to earthquake loading. The proposed setback of 127 feet from the property line is satisfactory. Case 4 - The resulting safety factor of 1.46 is above the SEO minimum requirement of 1.25 for an embankment during construction. The resulting safety factor of 1.16 is above the SEC minimum requirement of 1.0 for an embankment subject to earthquake loading. The proposed setback of 150 feet from the existing gas well is satisfactory. LIla Consulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Page 5 The following recommendations for monitoring of slope stability should be followed: 1. A visual inspection of the excavated slopes should be done on a weekly basis for the first 6 months of mining. This inspection should consist of walking the existing ground and looking for any signs of stress cracks or other potential signs of slope failure. Some minor sloughing of slopes is expected on any mine site The intent of this inspection is to locate potential major slope failures that could potentially extend back into a structure. 2. A visual inspection should be done after a major precipitation event that has saturated the ground using the same procedures. A major precipitation event would be defined as a storm that produces an intensity level reached once in 50 years on the average. 3. If a visual inspection detects signs of a potential slope failure. qualified personnel should be contacted to evaluate and recommend remediation work to stabilize the area. 4. If no visible signs of slope failure are detected within the first 6 months. then the inspection period could be reduced to once per month or after every major precipitation event. Li I Is, I t r►nsulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Page 6 APPENDIX A LiJ&T Consulting, Inc. Broken Arrow Investments, LLC - Den- Pit Project Slope Stability Analysis P:\07123 Derr Gravel Pit\Drawings‘slope stabilityUT-Slope stability.dwg, Layoutl, 3/20/2008 5:37:22 PM, Todd Yee III X11 J 1 C • P. a i • r 1 • • -,4- I� @71 LEOENDt • • co K • 9 0 a R a u IMP Tr POLE GU' IPRE GAS ONE MARKER GAS vALK ORAL RA PEN WE IER 1MIta YAUCtI SAIETI LINT WARREN ELIC TIOC INANSRORMEA Iart M. I PIOI( RIDE SIAL I(I(PLONE LINE MARAIS PROPERTY &AIL I CNC( LPE OVERHEAD ELEC IRIC Lod IRVING OUAL GAS uNOERWOuNO RA TEN Lw4 IAI%IwG CHAIN oho I(NCI IEISIINO CONTOURS (1- w1ERVALS) CRAWL NOAO PNOPOYO POW NOUNOAN• PROROS(0 MIMNG LIMIT PR0P0ji0 SLUWtr WALT P.uSI. I LIUI KALE Vann KO JOD Slone Stabday Case Location Map n J 2 N C m E S G a C Jet a2 Derr Gravel Pit E I s r a AO Oita .91021/91. la arPla Ir lU •1Ol Yr� — v•0II Shat: at 1 1 1PV Lv APPENDIX B i hi (consulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis SOUTH1 3-05-** 15:43 275 _ r 220 _ 55 0 1 a • 0 J Consulting, Inc. Derr Pit South 1 Li&T 1 most critical surfaces, MINIMUM BISHOP FOS = I 1 r I 1 I T I T 55 110 165 220 275 X-AXIS (feet) 330 0 z z 1 .295 25' 50' 385 >- w z -!w1 I 440 SOUTH1 EQ 3 -OS-** 15:48 275 220 0165 0 9- V 1 <110 I 55 O Derr Pit South 1 EQ L. J&T Consulting, Inc. 1 most critical surfaces, MINIMUM BISHOP FOS = 1.024 S i ! 0 I r I ' 55 11O 165 220 275 X-AXIS (feet) I 33O CD z z are 25' 50' >- 0 J U) PROPERTY w z_ J _w 1 r 1 ' 385 440 WEST2 3-05-** 15:44 275 _ 22O tui 165 O 14. 55 Derr Pit West 2 LIJ&T Consulting, Inc. 1 most critical surfaces, MINIMUM BISHOP FOS = 1.301 • l 40' 25' -w1 0 I T I 1 I T < I r 1 1 I 55 11O 165 22O 275 33O 385 440 X—AXIS (feet) WEST2EQ 3-05-#* 15:49 275 _ 220 <110 >- 55 Derr Pit West 2 EQ LiJ&T Consulting, Inc. 1 mostcritical surfaces, MINIMUM BISHOP FOS = 1.030 -- f -rrCr -D-T40'-� 25' I -- z z I- D _ w 1 r I i 1 U I 0 55 110 165 220 275 330 385 440 X—AXIS (feet) NORTH3 3-05-** 15:44 325 260 1195 a) (/) < 130 I 65 Derr Pit North 3 L. J&T Consulting, Inc. 1 most critical surfaces, MINIMUM BISHOP F0S = 1.295 127' z • nihabor �c 25' 11 PROPERT SLURRY WALL W z w1 r I ► T 1 U 1 r 0 65 13O 195 26O 325 390 455 520 X—AXIS (feet) NORTH3EQ 3-05-** 15:50 325 260 X <130 I fi5 n Derr Pit North 3 EQ 1 most critical surfaces, MINIMUM BISHOP F0S = 1.024 127' LiJ&T Consulting, Inc. p 0 z 25' PROPERTY sae W J w 1 0 1 r T I I 1 65 130 195 260 325 390 455 520 X—AXIS (feet) WELL4 3-05-** 15:45 325 260 4 195 _ a) JxT Consulting, Inc. id I Derr Pit Well 4 1 most critical surfaces, MINIMUM BISHOP FOS = 1.458 65 I I 150' W_ f a- I T T 0 65 130 195 260 325 390 455 520 X-AXIS (feet) WELL4EQ 3-05-n 15:47 325 260 1195 4 W Y <130 I 65 Derr Pit Well 4 EQ 1 most critical surfaces, MINIMUM BISHOP FOS = 1.156 VI JET Consulting, Inc. 1 50' wl r 0 65 130 195 260 325 390 455 520 X-AXIS (feet) APPENDIX C VJET Consulting, Inc. Broken Arrow Investments, LLC - Den- Pit Project Slope Stability Analysis SOUTH1.OPT XSTABL File: souTH1 3-05-** 15:43 ** N ** ** * w A Tip SS is n n .t X A li * n ** * XSTABL * * slope stability Analysis * using the * Method of slices * copyright (C) 1992 A 96 * Interactive Software Designs, Inc. * MOSCOW, ID 83843, U.S.A. * * All Rights Reserved * * ver. 5.105a * ***�. u u n u n************** ** ************** ** 95 A 1483 Problem Description : Derr Pit south 1 SEGMENT BOUNDARY COORDINATES 5 SURFACE boundary segments Segment x -left y -left x -right y -right Soil unit NO. (ft) (ft) (ft) (ft) Below Segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 355.0 188.0 3 3 355.0 188.0 377.5 188.0 3 4 377.5 188.0 382.5 188.0 4 5 382.5 188.0 420.0 188.0 3 9 SUBSURFACE boundary segments segment x -left y -left x -right y -right Soil unit No. (ft) (ft) (ft) (ft) Below segment 1 100.0 103.0 377.4 103.0 2 2 377.4 103.0 377.5 188.0 4 3 382.5 188.0 382.6 103.0 4 4 382.6 103.0 420.0 103.0 2 5 .0 100.0 377.3 100.0 1 6 377.3 100.0 377.4 103.0 4 7 382.6 103.0 382.7 100.0 4 8 382.7 100.0 420.0 100.0 1 9 377.3 100.0 382.7 100.0 1 ISOTROPIC Soil Parameters 4 soil unit(s) specified Soil unit weight cohesion Friction Pore Pressure water Page 1 Unit Moist No. (pcf) 1 125.0 2 125.0 3 110.0 4 62.4 SOUTH1.OPT Sat. Intercept Angle (pcf) (psf) (deg) 141.0 2000.0 20.00 141.0 100.0 18.00 125.0 .0 35.00 62.4 .0 60.00 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) water Surface No. 1 specified by ********************************** PHREATIC SURFACE, ********************************** Point NO. 1 2 3 4 x -water (ft) .00 100.00 377.50 382.50 420.00 BOUNDARY LOADS Load NO. 1 2 2 load(s) specified x -left (ft) 365.0 371.0 y -water (ft) 103.00 103.00 180.00 180.00 180.00 x -right (ft) 366.0 372.0 Parameter Ru . 000 . 000 . 000 . 000 Constant Surface (psf) No. 5 coordinate points Intensity (psf) 20000.0 20000.0 . 0 . 0 . 0 . 0 Direction (deg) 90.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. 10 surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = 325.0 ft Page 2 1 1 1 SOUTH1.OPT and x = 390.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft DEFAULT SEGMENT LENGTH SELECTED BY XSTABL .. .. 9.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit := -45.0 degrees upper angular limit := -1.0 degrees Factors of safety have been calculated by the : SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 31 coordinate points Point x -surf y -surf NO (ft) (ft) 1 105.15 104.72 2 114.02 103.20 3 122.94 102.00 4 131.90 101.11 5 140.88 100.54 6 149.88 100.28 7 158.88 100.33 8 167.87 100.70 9 176.84 101.38 10 185.79 102.38 11 194.69 103.69 12 203.54 105.31 13 212.33 107.24 14 221.05 109.48 15 229.69 112.02 16 238.23 114.86 17 246.66 118.00 18 254.98 121.43 19 263.18 125.15 20 271.24 129.16 21 279.15 133.44 22 286.91 138.00 23 294.50 142.83 24 301.93 147.92 25 309.17 153.27 Page 3 SOUTH1.OPT 26 316.21 158.86 27 323.06 164.71 28 329.70 170.78 29 336.12 177.09 30 342.32 183.62 31 342.51 183.84 Simplified BISHOP FOS = 1.295 The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit South 1 FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x-coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 1.295 152.82 357.32 257.07 105.15 342.51 6.368E+07 2. 1.301 169.05 363.00 262.72 111.18 364.99 8.151E+07 3. 1.304 150.92 342.59 241.98 105.65 329.68 5.397E+07 4. 1.305 152.47 367.20 266.71 105.15 347.75 6.858E+07 5. 1.306 150.88 376.98 276.57 104.15 351.78 7.295E+07 6. 1.306 174.62 311.41 210.94 116.71 342.62 5.554E+07 7. 1.313 161.83 353.29 252.52 109.67 351.74 6.857E+07 8. 1.315 163.31 375.80 275.13 109.17 364.35 8.375E+07 9. 1.319 159.38 339.88 238.88 109.67 339.29 5.875E+07 10. 1.320 178.67 306.33 205.70 119.22 344.36 5.557E+07 END OF FILE Page 4 0. L SOUTH1EQ.OPT XSTABL File: SOUTH1EQ 3-05-** 15:48 ******* J. K K ** * h * iG ***** K X ******.i * J. * X * * * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 A 96 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * ver. 5.105a 95 A 1483 *****************z:************************ Problem Description : Derr Pit South 1 EQ SEGMENT BOUNDARY COORDINATES 5 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 355.0 188.0 3 3 355.0 188.0 377.5 188.0 3 4 377.5 188.0 382.5 188.0 4 5 382.5 188.0 420.0 188.0 3 9 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 100.0 103.0 377.4 103.0 2 2 377.4 103.0 377.5 188.0 4 3 382.5 188.0 382.6 103.0 4 4 382.6 103.0 420.0 103.0 2 5 .0 100.0 377.3 100.0 1 6 377.3 100.0 377.4 103.0 4 7 382.6 103.0 382.7 100.0 4 8 382.7 100.0 420.0 100.0 1 9 377.3 100.0 382.7 100.0 1 ISOTROPIC Soil Parameters 4 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure water Page 1 SOUTH1EQ.OPT Unit Moist Sat. Intercept Angle Parameter constant surface No. (pcf) (pcf) (psf) (deg) Ru (psf) No. 1 125.0 141.0 2000.0 20.00 .000 .0 1 2 125.0 141.0 100.0 18.00 .000 .0 1 3 110.0 125.0 .0 35.00 .000 .0 1 4 62.4 62.4 .0 60.00 .000 .0 1 1 water surface(s) have been specified Unit weight of water = 62.40 (pcf) water surface No. 1 specified by 5 coordinate points .V .V .l..r..V .t..{..4 .4 .L .4 .4 A A Q A .{. A A A .t .V A A .l..L .t .•....r..r..{� .r..r. PHREATIC SURFACE, .r..r.... a. A .l .t .l ....t .r..r..r..b 0. .V .b .4 ....t .b .l..l.:..l .1..r. A .b .V ... A .r..r. Point x -water y -water No. (ft) (ft) 1 .00 103.00 2 100.00 103.00 3 377.50 180.00 4 382.50 180.00 5 420.00 180.00 A horizontal earthquake loading coefficient of .070 has been assigned A vertical earthquake loading coefficient of .000 has been assigned BOUNDARY LOADS 2 load(s) specified Load x -left x -right Intensity Direction No. (ft) (ft) (psf) (deg) 1 365.0 366.0 20000.0 90.0 2 371.0 372.0 20000.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. Page 2 SOUTH1EQ.OPT 10 surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = 325.0 ft and x = 390.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft * DEFAULT SEGMENT LENGTH SELECTED BY XSTABL 9.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit := -45.0 degrees upper angular limit := -1.0 degrees Factors of safety have been calculated by the : SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 31 coordinate points Point x -surf y -surf NO. (ft) (ft) 1 105.15 104.72 2 114.02 103.20 3 122.94 102.00 4 131.90 101.11 5 140.88 100.54 6 149.88 100.28 7 158.88 100.33 8 167.87 100.70 9 176.84 101.38 10 185.79 102.38 11 194.69 103.69 12 203.54 105.31 13 212.33 107.24 14 221.05 109.48 15 229.69 112.02 16 238.23 114.86 17 246.66 118.00 Page 3 SOUTH1EQ.OPT 18 254.98 121.43 19 263.18 125.15 20 271.24 129.16 21 279.15 133.44 22 286.91 138.00 23 294.50 142.83 24 301.93 147.92 25 309.17 153.27 26 316.21 158.86 27 323.06 164.71 28 329.70 170.78 29 336.12 177.09 30 342.32 183.62 31 342.51 183.84 ***'* simplified BISHOP FOS = 1.024 **** The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit South 1 EQ FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x-coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 1.024 152.82 357.32 257.07 105.15 342.51 6.115E+07 2. 1.028 169.05 363.00 262.72 111.18 364.99 7.831E+07 3. 1.032 150.92 342.59 241.98 105.65 329.68 5.184E+07 4. 1.033 152.47 367.20 266.71 105.15 347.75 6.589E+07 5. 1.034 150.88 376.98 276.57 104.15 351.78 7.007E+07 6. 1.035 174.62 311.41 210.94 116.71 342.62 5.342E+07 7. 1.040 161.83 353.29 252.52 109.67 351.74 6.591E+07 8. 1.041 163.31 375.80 275.13 109.17 364.35 8.049E+07 9. 1.045 159.38 339.88 238.88 109.67 339.29 5.649E+07 10. 1.047 167.29 351.01 250.09 112.19 356.94 6.919E+07 * * * END OF FILE * * * Page 4 WEST2.OPT XSTABL File: WEST2 3-05-** 15:44 * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * * * Copyright (C) 1992 A 96 Interactive Software Designs, Inc. Moscow, ID 83843, U.S.A. * * All Rights Reserved * * ver 5.105a 95 A 1483 ****************************************** * * * Problem Description : Derr Pit west 2 SEGMENT BOUNDARY COORDINATES 5 SURFACE boundary segments Segment x -left y -left x -right y -right Soil unit No. (ft) (ft) (ft) (ft) Below Segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 325.0 178.0 3 3 325.0 178.0 347.5 178.0 3 4 347.5 178.0 352.5 178.0 4 5 352.5 178.0 420.0 178.0 3 9 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil unit No. (ft) (ft) (ft) (ft) Below Segment 1 100.0 103.0 347.4 103.0 2 2 347.4 103.0 347.5 178.0 4 3 352.5 178.0 352.6 103.0 4 4 352.6 103.0 420.0 103.0 4 5 .0 100.0 347.3 100.0 1 6 347.3 100.0 347.4 103.0 4 7 352.6 103.0 352.7 100.0 4 8 352.7 100.0 420.0 100.0 1 9 347.3 100.0 352.7 100.0 1 ISOTROPIC Soil Parameters 4 soil unit(s) specified Soil unit weight Cohesion Friction Pore Pressure water Page 1 WEST2.OPT unit moist Sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) NO. 1 125.0 141.0 2000.0 20.00 .000 .0 1 2 125.0 141.0 100.0 18.00 .000 .0 1 3 110.0 125.0 .0 35.00 .000 .0 1 4 62.4 62.4 .0 60.00 .000 .0 1 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) water Surface No. 1 specified by 5 coordinate points •� .V •� .4 A .4 A A .4 .4 A .4 A A A A A A A A * S 'S * * * PHREATIC SURFACE, Point x -water y -water NO. (ft) (ft) 1 .00 103.00 2 100.00 103.00 3 347.50 170.00 4 352.50 170.00 5 420.00 170.00 BOUNDARY LOADS 4 load(s) specified Load x -left x -right Intensity Direction No. (ft) (ft) (psf) (deg) 1 335.0 336.0 20000.0 90.0 2 341.0 342.0 20000.0 90.0 3 385.5 386.5 20000.0 90.0 4 391.5 392.5 20000.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. 10 Surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Page 2 WEST2.OPT Each surface terminates between x = 295.0 ft and x = 360.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft DEFAULT SEGMENT LENGTH SELECTED BY XSTABL :: 8.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit :_ -45.0 degrees upper angular limit = -1.0 degrees Factors of safety have been calculated by the : SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 28 coordinate points Point x -surf y -surf NO. (ft) (ft) 1 111.18 106.73 2 118.92 104.72 3 126.75 103.06 4 134.65 101.77 5 142.59 100.83 6 150.57 100.26 7 158.57 100.06 8 166.57 100.22 9 174.55 100.74 10 182.50 101.63 11 190.40 102.89 12 198.24 104.50 13 205.99 106.47 14 213.65 108.79 15 221.19 111.45 16 228.60 114.46 17 235.87 117.81 18 242.97 121.48 19 249.91 125.48 20 256.65 129.78 21 263.19 134.39 22 269.51 139.30 23 275.60 144.49 Page 3 24 25 26 27 28 281.44 287.03 292.36 297.40 298.34 WEST2.OPT 149.95 155.67 161.64 167.85 169.11 Simplified BISHOP FOS = 1.301 The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit west 2 FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x-coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 1.301 159.05 275.14 175.08 111.18 298.34 3.134E+07 2. 1.315 161.59 276.37 176.06 112.69 302.12 3.284E+07 3. 1.318 166.95 281.04 180.85 114.70 312.58 3.752E+07 4. 1.322 148.25 300.54 199.97 106.16 299.16 3.485E+07 5. 1.323 154.30 318.13 217.64 107.66 319.11 4.584E+07 6. 1.328 148.51 362.01 261.92 103.14 334.86 6.360E+07 7. 1.330 157.76 275.13 174.43 111.68 295.49 3.033E+07 8. 1.335 138.92 317.55 216.98 102.14 296.59 3.594E+07 9. 1.340 155.75 284.76 183.81 110.68 298.69 3.265E+07 10. 1.340 152.10 324.80 223.97 107.16 319.64 4.709E+07 END OF FILE * Page 4 O. WEST2EQ.OPT XSTABL File: WEST2EQ 3-05-** 15:49 • n n n n n n n n * n n n n * XSTABL * * * * Slope Stability Analysis * * using the * * Method of slices * * * * Copyright (C) 1992 A 96 * * Interactive Software Designs, Inc. * * Moscow, ID 83843, U.S.A. * * * * All Rights Reserved * * * * ver. 5.105a 95 A 1483 * ************************************ Problem Description : Derr Pit west 2 EQ SEGMENT BOUNDARY COORDINATES 5 SURFACE boundary segments Segment x -left y -left x -right y -right Soil unit NO. (ft) (ft) (ft) (ft) Below segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 325.0 178.0 3 3 325.0 178.0 347.5 178.0 3 4 347.5 178.0 352.5 178.0 4 5 352.5 178.0 420.0 178.0 3 9 SUBSURFACE boundary segments Segment x -left y -left x -right y -right soil unit NO. (ft) (ft) (ft) (ft) Below segment 1 100.0 103.0 347.4 103.0 2 2 347.4 103.0 347.5 178.0 4 3 352.5 178.0 352.6 103.0 4 4 352.6 103.0 420.0 103.0 4 5 .0 100.0 347.3 100.0 1 6 347.3 100.0 347.4 103.0 4 7 352.6 103.0 352.7 100.0 4 8 352.7 100.0 420.0 100.0 1 9 347.3 100.0 352.7 100.0 1 ISOTROPIC Soil Parameters 4 Soil unit(s) specified Soil unit weight Cohesion Friction Pore Pressure water Page 1 WEST2EQ.OPT unit Moist Sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) NO. 1 125.0 141.0 2000.0 20.00 .000 .0 1 2 125.0 141.0 100.0 18.00 .000 .0 1 3 110.0 125.0 .0 35.00 .000 .0 1 4 62.4 62.4 .0 60.00 .000 .0 1 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) water Surface No. 1 specified by 5 coordinate points ...4.1..4 4.4.4.4.4.4 4 K A.4 .4 A.4.4.4..4.4.4:: . . .4. PHREATIC SURFACE, Point x -water y -water NO. (ft) (ft) 1 .00 103.00 2 100.00 103.00 3 347.50 170.00 4 352.50 170.00 5 420.00 170.00 A horizontal earthquake loading coefficient of .070 has been assigned A vertical earthquake loading coefficient of .000 has been assigned BOUNDARY LOADS 4 load(s) specified Load x -left x -right Intensity Direction No. (ft) (ft) (psf) (deg) 1 335.0 336.0 20000.0 90.0 2 341.0 342.0 20000.0 90.0 3 385.5 386.5 20000.0 90.0 4 391.5 392.5 20000.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. Page 2 WEST2EQ.OPT 2000 trial surfaces will be generated and analyzed. 10 Surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = 295.0 ft and x = 360.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft * * DEFAULT SEGMENT LENGTH SELECTED BY XSTABL J. * 8.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit Upper angular limit -45.0 degrees -1.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 28 coordinate points Point x -surf y -surf No. (ft) (ft) 1 111.18 106.73 2 118.92 104.72 3 126.75 103.06 4 134.65 101.77 5 142.59 100.83 6 150.57 100.26 7 158.57 100.06 8 166.57 100.22 9 174.55 100.74 10 182.50 101.63 11 190.40 102.89 12 198.24 104.50 13 205.99 106.47 14 213.65 108.79 15 221.19 111.45 Page 3 * * WEST2EQ.OPT 16 228.60 114.46 17 235.87 117.81 18 242.97 121.48 19 249.91 125.48 20 256.65 129.78 21 263.19 134.39 22 269.51 139.30 23 275.60 144.49 24 281.44 149.95 25 287.03 155.67 26 292.36 161.64 27 297.40 167.85 28 298.34 169.11 simplified BISHOP FOS = 1.030 The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit west 2 EQ FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x-coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 1.030 159.05 275.14 175.08 111.18 298.34 3.011E+07 2. 1.041 161.59 276.37 176.06 112.69 302.12 3.158E+07 3. 1.044 166.95 281.04 180.85 114.70 312.58 3.609E+07 4. 1.047 148.25 300.54 199.97 106.16 299.16 3.349E+07 5. 1.047 154.30 318.13 217.64 107.66 319.11 4.405E+07 6. 1.050 148.51 362.01 261.92 103.14 334.86 6.112E+07 7. 1.054 157.76 275.13 174.43 111.68 295.49 2.917E+07 8. 1.057 138.92 317.55 216.98 102.14 296.59 3.455E+07 9. 1.061 152.10 324.80 223.97 107.16 319.64 4.528E+07 10. 1.062 155.75 284.76 183.81 110.68 298.69 3.141E+07 END OF FILE • •• •• Page 4 T abed Jalem aJnssaJd aJod UOLaDLJd uo!_sagoj tg6iaM tun L!.0S pa ij. 1Jads (s)i j.un 1!-05 b sJa.awPJed LSOS OIdOb1OSI I 0'00T L'Z8£ 0'00T £'LL£ 6 T 0'00T 0'505 0'00T L'Z8£ 8 V 0'00T L'Z8£ 0'£01 9'Z8£ L V 0'£0T V'LL£ 0'00T £'LL£ 9 I 0'00T £'LL£ 0'00T 0' S Z 0'£01 0 SOS 0'£01 9'Z8£ V V 0'£01 9'Z8£ 0'881 S'Z8£ £ V 0'881 S'LL£ 0'£01 V'LL£ Z Z 0'£01 V'LL£ 0'£01 0'00T T ivaw6as M0109 (14) (2J) (24) (al.) "0N Win [SOS 146 LJ -A aq6 p -x a ja L -A 1la i-x auaw6as sauaw6as AJepunoq 3JVJ JfS8fS 6 £ 0'881 0'505 0'881 S'Z8£ S V 0'881 5'Z8£ 0'881 S'LL£ V £ 0'88T S'LL£ 0'881 0'55£ £ £ 0'88T 0'SSE 0'£01 0'00T 3 3 0'£01 0'00T 0'£01 0' T ivaw6as Moue (14) (al) (al) (24) "ON igun LIDS 246p -A ag6LJ-x 1431-A 14aL-x auaw6DS sauaw6as AJepunoq 3DVJWIS S S31VNIGBOOD A IV0Nn08 1N3WD3S £ g1JON 1w JJaa : uopdpJsaa waLgoJd * £8VT d 56 eS0T'S 'JaA 4 4 panJasad sig6pi jv 4 r 4 4 'd'5'a '£V8£8 0i 'MOJsow 4 Y 'Dui 'su6lsaa aJeMtJos aAuJeJa1ui 4 Y 96 V 3661 (D) iq6 pAdoJ 4 saD.[S #o popaw 4 aqi bu LSn 4 Y S LSA teUV Aa . Lgels ado iS 4 4 4 4 1 S V 1 S X 4 444$$$4$444##444444444444444$$4$$4$44#$#44 VV : ST 44-50-£ £H12JON : a L id 18V1SX ld0'£H1bON Unit Moist No. (pcf) 1 125.0 2 125.0 3 110.0 4 62.4 NORTH3.OPT Sat. Intercept Angle (pcf) (psf) (deg) 141.0 2000.0 20.00 141.0 100.0 18.00 125.0 .0 35.00 62.4 .0 60.00 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) Parameter Ru . 000 . 000 . 000 . 000 Constant Surface (psf) No. water surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water No. (ft) 1 .00 2 100.00 3 377.50 4 382.50 5 505.00 BOUNDARY LOADS Load NO. 1 2 2 load(s) specified y -water (ft) 103.00 103.00 180.00 180.00 180.00 x -left x -right (ft) (ft) 365.0 366.0 371.0 372.0 Intensity (psf) 20000.0 20000.0 . 0 . 0 . 0 . 0 Direction (deg) 90.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. 10 surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = Page 2 325.0 ft 1 1 1 1 NORTH3.OPT and x = 390.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft .16 DEFAULT SEGMENT LENGTH SELECTED BY XSTABL 9.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit := -45.0 degrees upper angular limit := -1.0 degrees Factors of safety have been calculated by the SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 31 coordinate points Point x -surf y -surf NO (ft) (ft) 1 105.15 104.72 2 114.02 103.20 3 122.94 102.00 4 131.90 101.11 5 140.88 100.54 6 149.88 100.28 7 158.88 100.33 8 167.87 100.70 9 176.84 101.38 10 185.79 102.38 11 194.69 103.69 12 203.54 105.31 13 212.33 107.24 14 221.05 109.48 15 229.69 112.02 16 238.23 114.86 17 246.66 118.00 18 254.98 121.43 19 263.18 125.15 20 271.24 129.16 21 279.15 133.44 22 286.91 138.00 23 294.50 142.83 24 301.93 147.92 25 309.17 153.27 Page 3 26 27 28 29 30 31 316.21 323.06 329.70 336.12 342.32 342.51 NORTH3.OPT 158.86 164.71 170.78 177.09 183.62 183.84 Simplified BISHOP FOS = 1.295 The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit FOS Circle (BISHOP) x-coord (ft) 1. 1.295 2. 1.301 3. 1.304 4. 1.305 5. 1.306 6. 1.306 7. 1.313 8. 1.315 9. 1.319 10. 1.320 152.82 169.05 150.92 152.47 150.88 174.62 161.83 163.31 159.38 178.67 Center y-coord (ft) 357.32 363.00 342.59 367.20 376.98 311.41 353.29 375.80 339.88 306.33 North 3 Radius (ft) Initial x-coord (ft) Terminal x -coo rd (ft) 257.07 105.15 342.51 262.72 111.18 364.99 241.98 105.65 329.68 266.71 105.15 347.75 276.57 104.15 351.78 210.94 116.71 342.62 252.52 109.67 351.74 275.13 109.17 364.35 238.88 109.67 339.29 205.70 119.22 344.36 END OF FILE Page 4 fb Resisting Moment (ft -1 b) 6.368E+07 8.151E+07 5.397E+07 6.858E+07 7.295E+07 5.554E+07 6.857E+07 8.375E+07 5.875E+07 5.557E+07 NORTH3EQ.OPT XSTABL File: NORTH3EQ 3-05-** 15:50 ****************************************** * XSTABL * * slope Stability Analysis * using the * Method of slices * Copyright (C) 1992 A 96 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. A n * All Rights Reserved * * ver 5.105a 95 A 1483 ****************************************** Problem Description : Derr Pit North 3 EQ SEGMENT BOUNDARY COORDINATES 5 SURFACE boundary segments Segment x -left y -left x -right y -right Soil unit NO. (ft) (ft) (ft) (ft) Below Segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 355.0 188.0 3 3 355.0 188.0 377.5 188.0 3 4 377.5 188.0 382.5 188.0 4 5 382.5 188.0 505.0 188.0 3 9 SUBSURFACE boundary segments segment x -left y -left x -right y -right Soil unit No. (ft) (ft) (ft) (ft) Below segment 1 100.0 103.0 377.4 103.0 2 2 377.4 103.0 377.5 188.0 4 3 382.5 188.0 382.6 103.0 4 4 382.6 103.0 505.0 103.0 2 5 .0 100.0 377.3 100.0 1 6 377.3 100.0 377.4 103.0 4 7 382.6 103.0 382.7 100.0 4 8 382.7 100.0 505.0 100.0 1 9 377.3 100.0 382.7 100.0 1 ISOTROPIC Soil Parameters 4 Soil unit(s) specified Soil unit weight Cohesion Friction Pore Pressure water Page 1 Unit Moist No. (pcf) 1 125.0 2 125.0 3 110.0 4 62.4 NORTH3EQ.OPT Sat. Intercept Angle (pcf) (psf) (deg) 141.0 2000.0 20.00 141.0 100.0 18.00 125.0 .0 35.00 62.4 .0 60.00 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) Parameter Ru . 000 . 000 . 000 . 000 constant Surface (psf) NO. water surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, Point x -water No. (ft) 1 2 3 4 .00 100.00 377.50 382.50 505.00 y -water (ft) 103.00 103.00 180.00 180.00 180.00 A horizontal earthquake loading coefficient of .070 has been assigned A vertical earthquake loading coefficient of .000 has been assigned BOUNDARY LOADS Load NO. 1 2 2 load(s) specified x -left (ft) 365.0 371.0 x -right (ft) 366.0 372.0 Intensity (psf) 20000.0 20000.0 . 0 . 0 . 0 .0 Direction (deg) 90.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. Page 2 1 1 1 NORTH3EQ.OPT 10 surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = 325.0 ft and x = 390.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft ' DEFAULT SEGMENT LENGTH SELECTED BY XSTABL 9.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit := -45.0 degrees upper angular limit :_ -1.0 degrees Factors of safety have been calculated by the : SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 31 coordinate points Point NO. x -surf y -surf (ft) (ft) 1 105.15 104.72 2 114.02 103.20 3 122.94 102.00 4 131.90 101.11 5 140.88 100.54 6 149.88 100.28 7 158.88 100.33 8 167.87 100.70 9 176.84 101.38 10 185.79 102.38 11 194.69 103.69 12 203.54 105.31 13 212.33 107.24 14 221.05 109.48 15 229.69 112.02 16 238.23 114.86 17 246.66 118.00 Page 3 18 19 20 21 22 23 24 25 26 27 28 29 30 31 254.98 263.18 271.24 279.15 286.91 294.50 301.93 309.17 316.21 323.06 329.70 336.12 342.32 342.51 NORTH3EQ.OPT 121.43 125.15 129.16 133.44 138.00 142.83 147.92 153.27 158.86 164.71 170.78 177.09 183.62 183.84 Simplified BISHOP FOS = 1.024 The following is a summary of the TEN most critical surfaces Problem Description 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. FOS Circle (BISHOP) x-coord (ft) 1.024 1.028 1.032 1.033 1.034 1.035 1.040 1.041 1.045 1.047 152.82 169.05 150.92 152.47 150.88 174.62 161.83 163.31 159.38 167.29 Derr Pit Center y-coord (ft) 357.32 363.00 342.59 367.20 376.98 311.41 353.29 375.80 339.88 351.01 North 3 EQ Radius (ft) 257.07 262.72 241.98 266.71 276.57 210.94 252.52 275.13 238.88 250.09 END OF FILE Page 4 Initial x-coord (ft) 105.15 111.18 105.65 105.15 104.15 116.71 109.67 109.17 109.67 112.19 Terminal x-coord (ft) 342.51 364.99 329.68 347.75 351.78 342.62 351.74 364.35 339.29 356.94 Resisting Moment (ft -lb) 6.115E+07 7.831E+07 5.184E+07 6.589E+07 7.007E+07 5.342E+07 6.591E+07 8.049E+07 5.649E+07 6.919E+07 WELL4.OPT XSTABL File: WELL4 3-05-** 15:45 * XSTABL * * * n trZ * slope stability Analysis using the Method of slices Copyright (C) 1992 A 96 Interactive Software Designs, Inc. Moscow, ID 83843, U.S.A. All Rights Reserved * ver. 5.105a 95 A 1483 * *****************************•************* Problem Description : Derr Pit well 4 SEGMENT BOUNDARY COORDINATES 3 SURFACE boundary segments Segment x -left y -left x -right y -right Soil unit NO. (ft) (ft) (ft) (ft) Below Segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 355.0 188.0 3 3 355.0 188.0 505.0 188.0 3 2 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil unit NO. (ft) (ft) (ft) (ft) Below segment 1 100.0 103.0 505.0 103.0 2 2 .0 100.0 505.0 100.0 1 ISOTROPIC Soil Parameters 4 soil unit(s) specified Soil unit weight Cohesion Friction Pore Pressure water unit Moist sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) No. 1 125.0 141.0 2000.0 20.00 .000 .0 1 2 125.0 141.0 100.0 18.00 .000 .0 1 3 110.0 125.0 .0 35.00 .000 .0 1 4 62.4 62.4 .0 60.00 .000 .0 1 Page 1 WELL4.OPT 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) water Surface No. 1 specified by 4 coordinate points .r..l..b .t..b d.... d..b a..b .t. d. a....t .t..l .l..4 .4 a...l..1. a..1..b .b .b .4 .l..O ....�. PHREATIC SURFACE, •t..t. a..L .L d..�. d..t..l..t..r. a..�..r..�.... a..r..4 .t.... a..O .b J. a..r..r. a. A A .r..r. Point x -water y -water No. (ft) (ft) 1 .00 103.00 2 100.00 103.00 3 420.00 180.00 4 505.00 180.00 BOUNDARY LOADS 2 load(s) specified Load x -left x -right Intensity Direction No. (ft) (ft) (psf) (deg) 1 365.0 366.0 20000.0 90.0 2 371.0 372.0 20000.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. 10 Surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = 325.0 ft and x = 390.0 ft unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft .t .V. .l .t. .r. DEFAULT SEGMENT LENGTH SELECTED BY XSTABL Page 2 WELL4.OPT 9.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit :_ -45.0 degrees upper angular limit := -1.0 degrees Factors of safety have been calculated by the : SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 31 coordinate points Point x -surf y -surf No. (ft) (ft) 1 105.15 104.72 2 114.02 103.20 3 122.94 102.00 4 131.90 101.11 5 140.88 100.54 6 149.88 100.28 7 158.88 100.33 8 167.87 100.70 9 176.84 101.38 10 185.79 102.38 11 194.69 103.69 12 203.54 105.31 13 212.33 107.24 14 221.05 109.48 15 229.69 112.02 16 238.23 114.86 17 246.66 118.00 18 254.98 121.43 19 263.18 125.15 20 271.24 129.16 21 279.15 133.44 22 286.91 138.00 23 294.50 142.83 24 301.93 147.92 25 309.17 153.27 26 316.21 158.86 27 323.06 164.71 28 329.70 170.78 29 336.12 177.09 30 342.32 183.62 31 342.51 183.84 Simplified BISHOP FOS = 1.458 Page 3 WELL4.OPT The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit well 4 FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x-coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 1.458 152.82 357.32 257.07 105.15 342.51 6.998E+07 2. 1.464 169.05 363.00 262.72 111.18 364.99 8.955E+07 3. 1.466 174.62 311.41 210.94 116.71 342.62 6.086E+07 4. 1.469 150.92 342.59 241.98 105.65 329.68 5.931E+07 5. 1.471 152.47 367.20 266.71 105.15 347.75 7.542E+07 6. 1.473 150.88 376.98 276.57 104.15 351.78 8.024E+07 7. 1.479 161.83 353.29 252.52 109.67 351.74 7.535E+07 8. 1.481 178.67 306.33 205.70 119.22 344.36 6.086E+07 9. 1.483 163.31 375.80 275.13 109.17 364.35 9.211E+07 10. 1.485 159.38 339.88 238.88 109.67 339.29 6.456E+07 r. es END OF FILE Page 4 WELL4EQ.OPT XSTABL File: WELL4EQ 3-05-** 15:47 ****************************************** XSTABL Slope Stability Analysis using the Method of slices Copyright (C) 1992 A 96 Interactive Software Designs, Inc. Moscow, ID 83843, U.S.A. All Rights Reserved * ver. 5.105a 95 A 1483 * ****************************************** Problem Description : Derr Pit well 4 EQ SEGMENT BOUNDARY COORDINATES 3 SURFACE boundary segments Segment x -left y -left x -right y -right soil unit No. (ft) (ft) (ft) (ft) Below segment 1 .0 103.0 100.0 103.0 2 2 100.0 103.0 355.0 188.0 3 3 355.0 188.0 505.0 188.0 3 2 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil unit No. (ft) (ft) (ft) (ft) Below segment 1 100.0 103.0 505.0 103.0 2 2 .0 100.0 505.0 100.0 1 ISOTROPIC Soil Parameters 4 soil unit(s) specified soil unit weight Cohesion Friction Pore Pressure water unit Moist Sat. Intercept Angle Parameter Constant surface No. (pcf) (pcf) (psf) (deg) RU (psf) No. 1 125.0 141.0 2000.0 20.00 .000 .0 1 2 125.0 141.0 100.0 18.00 .000 .0 1 3 110.0 125.0 .0 35.00 .000 .0 1 4 62.4 62.4 .0 60.00 .000 .0 1 Page 1 WELL4EQ.OPT 1 water surface(s) have been specified unit weight of water = 62.40 (pcf) water Surface No. 1 specified by 4 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point NO. 1 2 3 4 x -water (ft) .00 100.00 420.00 505.00 y -water (ft) 103.00 103.00 180.00 180.00 A horizontal earthquake loading coefficient of .070 has been assigned A vertical earthquake loading coefficient of .000 has been assigned BOUNDARY LOADS Load NO. 1 2 2 load(s) specified x -left (ft) 365.0 371.0 x -right (ft) 366.0 372.0 Intensity (psf) 20000.0 20000.0 Direction (deg) 90.0 90.0 NOTE - Intensity is specified as a uniformly distributed force acting on a HORIZONTALLY projected surface. A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 2000 trial surfaces will be generated and analyzed. 10 surfaces initiate from each of 200 points equally spaced along the ground surface between x = 75.0 ft and x = 175.0 ft Each surface terminates between x = 325.0 ft and x = 390.0 ft Page 2 WELL4EQ.OPT unless further limitations were imposed, the minimum elevation at which a surface extends is y = 90.0 ft DEFAULT SEGMENT LENGTH SELECTED BY XSTABL 9.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS : The first segment of each failure surface will be inclined within the angular range defined by : Lower angular limit :_ -45.0 degrees upper angular limit := -1.0 degrees Factors of safety have been calculated by the : SIMPLIFIED BISHOP METHOD The most critical circular failure surface is specified by 31 coordinate points Point x -surf y -surf NO. (ft) (ft) 1 105.15 104.72 2 114.02 103.20 3 122.94 102.00 4 131.90 101.11 5 140.88 100.54 6 149.88 100.28 7 158.88 100.33 8 167.87 100.70 9 176.84 101.38 10 185.79 102.38 11 194.69 103.69 12 203.54 105.31 13 212.33 107.24 14 221.05 109.48 15 229.69 112.02 16 238.23 114.86 17 246.66 118.00 18 254.98 121.43 19 263.18 125.15 20 271.24 129.16 21 279.15 133.44 22 286.91 138.00 23 294.50 142.83 24 301.93 147.92 25 309.17 153.27 26 316.21 158.86 27 323.06 164.71 Page 3 n :� WELL4EQ.OPT 28 329.70 170.78 29 336.12 177.09 30 342.32 183.62 31 342.51 183.84 flflflfl Simplified BISHOP FOS = 1.156 The following is a summary of the TEN most critical surfaces Problem Description : Derr Pit well 4 EQ FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x-coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 1.156 152.82 357.32 257.07 105.15 342.51 6.741E+07 2. 1.160 169.05 363.00 262.72 111.18 364.99 8.629E+07 3. 1.164 174.62 311.41 210.94 116.71 342.62 5.868E+07 4. 1.165 150.92 342.59 241.98 105.65 329.68 5.716E+07 5. 1.167 152.47 367.20 266.71 105.15 347.75 7.268E+07 6. 1.168 150.88 376.98 276.57 104.15 351.78 7.733E+07 7. 1.174 161.83 353.29 252.52 109.67 351.74 7.265E+07 8. 1.176 163.31 375.80 275.13 109.17 364.35 8.881E+07 9. 1.176 178.67 306.33 205.70 119.22 344.36 5.873E+07 10. 1.179 159.38 339.88 238.88 109.67 339.29 6.226E+07 END OF FILE Page 4 APPENDIX D Consulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis • 0.. ••••••••• �.-.fir... ....• .....+rte �S:::.�.7^`ItP.ni,.q.. .r I•. wrr.RWA'!I A'ti PRELIMINARY SAND AND GRAVEL MINERAL EVALUATION 30 -ACRE PARCEL -- NORTH OF 8TH STREET AND EAST OF BALSAM AVENUE NORTHEAST'/, OF SECTION 4, TOWNSHIP 5 NORTH, RANGE 65 WEST GREELEY, WELD COUNTY, COLORADO TERRACON PROJECT NO. 20015242 JANUARY 11, 2002 Prepared for: DUST & DIRT EXCAVATING, LLC P.O. BOX 2295 GREELEY, COLORADO 80632 ATTN: MR. DOUG AND DARWIN DERR Prepared by: Terracon 301 North Howes Street Fort Collins, Colorado 80521 Ilerracon ---1 A INV Wile WOW January 11, 2002 Dust & Dirt Excavating, LLC P.O. Box 2295 Greeley, Colorado 80632 Attn: Mr. Doug and Darwin Derr lierracon 301 N. Howes • PO Box 503 Fort Collins. Colorado 80521.0503 (970) 484-0359 Fax: (970) 484-0454 Re: Preliminary Sand and Gravel Mineral Evaluation Approximate 29 -Acre Parcel Located North of 8th Street and East of Balsam Avenue Northeast '/4 of Section 4, Township 5 North, Range 65 West Greeley, Weld County, Colorado Terracon Project No. 20015242 Terracon has completed a preliminary sand and gravel mineral evaluation for the approximate 29 -acre parcel situated on the east side of Balsam Avenue, approximately '/s- mile north of 8th Street, south of the Eaton Ditch in east Greeley, Colorado. This study was performed in general accordance with our Proposal No. D2001357 dated October 16, 2001. The results of our engineering study, including the boring location diagram, laboratory test results, test boring records conducted by Terracon and Layne -Western, and the conclusions and recommendations needed to aid in the consideration of this tract of land to be utilized as a sand and gravel pit from a geotechnical point of view are attached. Further details are provided in this mineral evaluation report. We appreciate the opportunity to be of service to you on this phase of your project. If you have any questions concerning this report, or if we may be of further service to you, please feel free to contact us at your convenience. Sincerely, TERRACON :..... Qt ' �1 A. Ries•• e� t (IN".o • 27712 .0 . David A. Richer, P. �••s. Geotechnical Enginee Copies to: tine . Manager Addressee (4) ug J'Jgt5e, P.E. ffice Manager \````%WWII iitt fry OQ',"SAS /`'- 10%p c ?� :o ��; C 26084 II,,,ttllliot•-, Arzona ■ Arkansas ■ Colorado ■ Georgia ■ Idaho ■ Illinois w Iowa ■ Kansas ■ Kentucky ■ Minnesota ■ Missouri ■ Montana Nebraska ■ Nevada IN New Mexico IN Oklahoma ■ Tennessee ■ Texas ■ Utah ■ Wiscorsin ■ Wyoming Quality Engineering Since 1965 1 w- TABLE OF CONTENTS Page No. Letter of Transmittal INTRODUCTION 1 PROPOSED CONSTRUCTION 1 SITE EXPLORATION 1 Field Exploration 2 Laboratory Tests 2 SITE CONDITIONS 3 SUBSURFACE CONDITIONS 3 Geology 3 Soil and Bedrock Conditions 4 Field and Laboratory Test Results 5 CONCLUSIONS AND DISCUSSION 5 GENERAL COMMENTS 6 APPENDIX A Vicinity Map — Figure 1 Soil Conservation Weld County, Colorado Map — Figure 2 Site Plan and Boring Location Diagram — Figure 3 Log of Borings — Terracon Test Boring Nos. 1, 2, and 3 and Layne-Westem Boring Nos. B-1, B-2, B-3, and B-4 APPENDIX B Grain -Size Distribution Curves APPENDIX C General Notes PRELIMINARY SAND AND GRAVEL MINERAL EVALUATION 30 -ACRE PARCEL - NORTH OF 8TH STREET AND EAST OF BALSAM AVENUE NORTHEAST 1/4 OF SECTION 4, TOWNSHIP 5 NORTH, RANGE 65 WEST GREELEY, WELD COUNTY, COLORADO TERRACON PROJECT NO. 20015242 JANUARY 11, 2002 INTRODUCTION This report contains the results of our preliminary sand and gravel mineral evaluation for an approximate 29 -acre parcel situated on the east side of Balsam Avenue, approximately 1/2 -mile north of 8th Street, south of the Eaton Ditch in east Greeley, Colorado. The site is generally located in the North 1/4 of Section 4, Township 5 North, Range 65 West of the 6`' P.M., Weld County, Colorado. The purpose of these services is to provide information and geotechnical engineering recommendations relative to: • subsurface soil and bedrock conditions • groundwater conditions • physical properties and estimated quantities of overburden and granular materials. The conclusions and recommendations contained in this report are based upon the results of our field and laboratory testing, engineering analyses, and experience with similar soil conditions, and our understanding of the proposed project. PROPOSED CONSTRUCTION Based on the information provided, it is Terracon's understanding approximately 29 -acres of land situated on the east side of Balsam Avenue, approximately Y mile north of 8`h Street (Highway 263), south of the Eaton Ditch, presently being utilized as grazing and/or agricultural property as well as for the Oii industry, is to be considered for a future gravel pit for the mining and extraction of sand and gravel reserves. SITE EXPLORATION The scope of the services performed for this project included a site reconnaissance by an engineering geologist, a subsurface exploration program, limited laboratory testing and engineering analysis. 1 --_.._..-....n......—Men. .a _..__. --., ••••...._.,•._..i-- .W Preliminary Sand and Gravel Mineral Evaluation 29 Acre Parcel - East of Balsam Avenue Greeley, Weld County, Colorado Project No. 20015242 Field Exploration Terracon A total of 7 test borings were drilled at the site during month of November of 2001. Terracon drilled 3 test borings, (identified as Test Boring Nos 1, 2, and 3 shown on the enclosed Site Plan, Figure 3) on November 5 and 6, 2001 to approximate depths of 75 to 90 -feet below existing site grades. These 3 borings were advanced with a CME 75 truck -mounted drilling rig, utilizing 4 -1/4 -inch inside diameter hollow stem augers. After completing the first three borings, the client elected to obtain a specialized drill rig capable of extending the test borings to the bedrock stratum by means of air rotary equipment. An air rotary rig from Layne -Western of Denver, Colorado, with assistance from the clients conducted the remaining 4 test borings, (identified as Test Boring Nos. B-1, B-2, B-3, and B-4 shown on the enclosed Site Plan, Figure 3) and logged the depths of the soil stratification to bedrock. These test borings extended to approximate depths of 82 to 90 -feet below existing site grades. The borings were located in the field by measurements from existing site features at the direction of Doug and Darwin Derr. After completing the related field services, the client hired a land surveyor, which provided the appropriate boring locations and elevations as presented in this report. Continuous lithologic logs of each boring drilled by Terracon (Test Boring Nos. 1, 2, and 3) were recorded by the engineering geologist during the drilling operations. At selected intervals, samples of the subsurface materials from these test borings were taken by driving a split -spoon sampler. Auger cutting samples from the air rotary Layne -Western Test Boring Nos. B-1, B-2, 8-3, and B-4, were obtained by the client at selected intervals and were delivered to Terracon's Greeley office for further evaluation and laboratory testing. Penetration resistance measurements were obtained by driving the split -spoon into the subsurface materials with a 140 -pound hammer falling 30 inches for the Terracon test borings. These penetration resistance values are a useful index to the consistency, relative density or hardness of the materials encountered. Groundwater measurements were made in Test Boring Nos. 1, 2, and 3 at the time of the initial site exploration. Groundwater measurements were not recorded or provided to Terracon for the Layne -Western borings prior to preparation of this report. Laboratory Testing All samples retrieved during the field exploration for Test Boring Nos. 1, 2, and 3 and the composite samples collected by the client for the Layne -Western borings were returned to the laboratory for observation by the project geotechnical engineer, and were classified in 2 Preliminary Sand and Gravel Mineral Evaluation 29 Acre Parcel — East of Balsam Avenue Greeley, Weld County, Colorado Project No. 20015242 Terracon accordance with the Unified Soil Classification System described in Appendix C. Samples of bedrock were classified in accordance with the general notes for Bedrock Classification. At that time, the field descriptions were confirmed or modified as necessary and an applicable laboratory testing program was formulated to determine engineering properties of the subsurface materials. Boring logs were prepared and are presented in Appendix A. Selected soil samples were tested for the following engineering properties: • • Water content Grain size distribution Laboratory test results are presented in Appendix B. A!! laboratory tests were performed in general accordance with the applicable ASTM, local or other accepted standards. SITE CONDITIONS The site is presently utilized as agricultural land and/or grazing land as well as by the Oil Industry. The site is relatively flat exhibiting positive surface drainage in the southeast direction. South of the site is vacant, undisturbed land typical in terrain as the subject site. West of the site is Balsam Avenue and north id the Eaton Ditch. The Cache La Poudre River is situated approximately 1 -mile south of the site. An abandoned gravel pit is located directly west of the subject site on the west side of Balsam Avenue. SUBSURFACE CONDITIONS Geology The proposed area is located within the Colorado Piedmont section of the Great Plains physiographic province. The Colorado Piedmont, formed during Late Tertiary and Early Quaternary time (approximately 2,000,000 years ago), is a broad, erosional trench, which separates the Southern Rocky Mountains from the High Plains. Structurally, the site lies along the western flank of the Denver Basin. During the Late Mesozoic and Early Cenozoic Periods (approximately 70,000,000 years ago), intense tectonic activity occurred, causing the uplifting of the Front Range and associated downwarping of the Denver Basin to the east. Relatively flat uplands and broad valleys characterize the present-day topography of the Colorado Piedmont in this region. The site is underlain by the Cretaceous Pierre Formation at approximate depths of 68 to greater than 90 -feet below existing site grades. The bedrock is 3 en.. warywangwprprors neon, ••••••••• VOW I. ••••••••T river" Preliminary Sand and Gravel Mineral Evaluation 29 Acre Parcel - East of Balsam Avenue Greeley, Weld County, Colorado Project No. 20013242 Terracon overlain by alluvial sands, gravels and clays of Pleistocene and/or Recent Age. The sand and gravel represent an ancient Terrace of the Poudre River. Soil and Bedrock Conditions The following describes the characteristics of the primary soil strata encountered at the site in order of increasing depths, along with current groundwater conditions: • Overburden Material - The overburden material consisted of slightly cohesive silty clayey sand (SC) with trace amounts of gravel and/or cobbles. This material was generally encountered at the surface and extended to depths of approximately 2-1/2 to 7 -1/2 -feet below the surface. An approximate 3 to 7 -foot Sandy Lean Clay lens was encountered at increased depths in Test Boring Nos. 1, 2, and 3 at approximately 47 to 56 -feet below site grades. The silty clayey sand layers are relatively fine in nature, medium dense in relative density and moist in -situ, while the clay layers are medium stiff to stiff in consistency and saturated. • Silty Sand with Gravel and Cobbles: - Well Graded Sand with Gravel, Well Graded Sand with Silt. Poorly Graded Sand with Gravel, Poorly Graded Gravel with Sand, Poorly Graded Gravel with Silt and Sand, Well Graded Sand with Gravel, and Well Graded Gravel with Sand — These strata were encountered in all borings at approximate depths of 2-1/2 to 7- 1/2 feet below the surface, and extended to the bedrock below in all but Test Boring Nos. B-3, and B-4, where bedrock was not encountered to maximum depths of exploration, 90 - feet. The sand and gravel stratum is poorly graded to well graded, loose to dense, contains moderate amounts of silt, and is moist to wet in -situ. It is estimated that the maximum size of gravel, and/or cobbles encountered with depth is typically less than 6 - inches diameter. • Weathered Claystone/Siltstone Bedrock - The bedrock stratum was encountered below the sand and gravel layer at approximate depths 68 to greater than 90 -feet feet below existing site grades. • Groundwater - Groundwater was encountered in Test Boring Nos. 1, 2, and 3 at approximate depths of 4 to 4 -1/2 -feet below the surface at the time of the initial exploration. Water measurements were not recorded for the Layne -Western test borings. However, it is anticipated that water levels would be relatively consistent at approximate depths of 4 to 6 -feet below site grades. Water levels in this area are subject to change due to seasonal variations and fluctuations in irrigation practices. Preliminary Sand and Gravel Mineral Evaluation 29 Acre Parcel - East of Balsam Avenue Greeley, Weld County, Colorado Project No. 20015242 Terracon The stratification boundaries shown on the enclosed boring logs represent the approximate locations of changes in soil types; in -situ, the transition of materials may be gradual. According to the Soil Survey of Weld County, Colorado and as shown on the enclosed soil conservation map, Figure 2 in Appendix A, the soils at the site consist of: • • • 3 — Aquolls and Aquents, gravelly substratum A 10 — Bankard sandy loam, 0 to 3 percent slopes. /9 - L, N - `V 68 — Ustic Torriorhents, moderately steep. Field and Laboratory Test Results /,vtAflAa'C= Field test results indicate that the overburden silty clayey sand layers are medium dense in relative density. The coarse sand with gravel stratum varies from loose to dense in relative density and the bedrock stratum varies from weathered to hard with depth. CONCLUSIONS AND DISCUSSION It is Terracon's understanding that the area under evaluation, approximately 29 -net acres, based on plan line dimensions, is being considered as a potential gravel pit. Based on this preliminary investigation and number of test borings drilled at the site, it is Terracon's opinion the sand with gravel material encountered during the field exploration at various depths is suitable for use as construction aggregate material. The sand and gravel materials appear to satisfy the quality requirements to meet Colorado Department of Transportation specifications for Class 1 Structure Backfill, Class 1 to 3 Aggregate Base Course and could be processed to obtain Class 6 and 7 Aggregate Base Course if the course aggregate meets durability requirements. The gravel encountered appears to be of good quality and contains durable rock fragments composed of igneous and metamorphic rock fragments. The overburden thickness encountered in the test borings ranges from approximately 2-1/2 to 11 -feet in thickness. The underlying granular sand with gravel strata thicknesses encountered during the drilling operations, (based on available information provided to Terracon for the Layne -Western borings) ranges from approximately 57 to 84 -1/2 -feet. Based on these thicknesses, plan line dimensions for the proposed 29 -acre parcel, and approximate areas of potential mining operations, there are approximately_ 0.3 _million cubic yards of overburden material that will have to be removed to obtain approximately 3.5 million cubic yards of sand and gravel material. Hence, the average ratio of sand and gravel volume to overburden 5 d 1 A Preliminary Sand and Gravel Mineral Evaluation 29 Acre Parcel -- East of Balsam Avenue Greeley, Weld County, Colorado Project No. 20015242 Terracon volume is approximately 11.6. The above referenced quantities are strictly estimated values based upon average thickness of layers, average depth to bedrock and straight-line plan dimensions. These estimates do not account for variations of thicknesses, actual areas of mining and/or anticipated cut slopes. Variations may be encountered in the field when gravel extraction/mining operations take place. Safe distances should be kept from property lines, roads, and waterways. Since the sand and gravel strata was encountered below the groundwater, temporary dewatering of the gravel pit or use of a drag line will be required to remove the sand and gravel material. Excavation and possibly dewatering of the pit should be performed in such a manner as to protect the adjacent properties, roads, railroads and waterways. GENERAL COMMENTS Variations in overburden and sand and gravel stratum thicknesses, the quantity of the sand and gravel, as well as the soil and groundwater conditions, may exist between test borings. These variations may not become evident until gravel/mining operations take place. Additional test borings, test pits, and laboratory analysis may be required prior to the proposed gravel/mining operations to more accurately evaluate the quantity and quality of the granular materials encountered at the site. APPENDIX A dis-mal•••Y •••r • • ••.••.Y....Irra...1...Y•... - • �• a‘f ices. s,. ....-.r . • .. • r • t• a. to N 0 • •• ,S•f,.na4• ---- • 5t M • •`1 S. • • •" `7•07,71‘,-.°-1 -.-_-_ _- et; • • • • I. I . • • • m n - '. J 1 Q a •1 • nA b t Q'! • • Lc s• �r •I. •.1 ,- 1,� • a !. _oat • r...,..r j ' • 7-• • i e I Iti 1 g. i la i \ rarIT'•alry\0 .r• + S. :.. y J� llJ�y,,.. .. 1T cam•••. • ! 1' .• () _.....� i I 0 • L1 \ \• • ,r '—Ya •./. id a- 1 • r,' J-t.a•iin i.a.—"i+'44 • r tiv • .': y J t;JY E. J •'t ?tof'^AX - .._ p - • • '1 t)". r4ti Y • cr.~♦ • a• Dr: CA, 4• a 4 0 ' Ac �-a• /00 - �., .. ei • sr ,:e/•""•1: f :or t: -• b. V ..`a et `4y 1. •IS • is it•., ••-L fir• :\.,• ,. ,• Ica .. • • i .• • i is a - • • -` air all• .11 to r N '. SOP • • A ft( 1 . a et!t- �� • 444 4. - • •! ., • f f ralliber I♦t: i 2 • - _1., ?�.t V •: - • • Ott • 0 I. . f • . ACIA —` • S. .34 I ♦ � • • • • s • • ..�..• 1. I • • • • ♦• . •• • • •• • f Li •• Y • • wit •• I •♦.1 4 .•j:' • • • ' t a— Jam, c G8 GaGR*a I /DN **OK LOCG'ION 0'4'. AND d C' w1VCC FONlieMeli Pi*tol(S. a@, _ I0 Jeita 3 3 .ern sot - 10 PIGURf 2: SOIL CONSERVATION MAP PROPO5eD DERR GRAVEL PIT tA5T Or DALSAM Me.. NORTH Or 0th 3T. GRIMLY. COLORADO GAR 'hswal Dr Ow as Or arrms Or lrerracon OAR 331 I rams Street Pot Coon. Cowado tent CAR 242HG2 Inset Ns. 2OO15242 t'. 12O 2 /9/02 S0C l Orel311311 r..w w elk ww LEGEND TEST BORING NOs. I . 2 4 3 DRILLED BY TERRACON L. ON NOVEMBER 5 a 6. 2001 (J TEST BORING NOs 8-'. 5-2. 5-3 s 5-4 DRILLED 3Y LAYNE• WES T ERN Y`..COIr r r« $LNCIAL LOG :.CM amp 3 43? ttp�Eq ' cadvearixes P fl:SCt .01/44 ?Merl FOJRt 3. SITE DIAGRAM PROPOSED DERR GRAVEL PIT *5i Or e.L5AM AVe_. MORTn Or Da ST. G►ettr. COLORADO lrerracon 5242' G3 P.y.a w. 20:15242 i i LOG OF BORING NO. 1 Page 1 of 2 CLIENT Doug and Darwin Derr _ ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit k GRAPHIC LOG Approx. Surface Elev.: DESCRIPTION 4628.64 ft DEPTH, ft. USCS SYMBOL SAMPLES _ TESTS NUMBER TYPE RECOVERY, in. z� iL m WATER CONTENT. % DRY UNIT WT Pcf UNCONFINED STRENGTH, psf 1.� SILTY CLAYEY SAND trace GRAVEL ' 7y Tan, brown, dry to moist, loose Intermittent Sandy Lean Clay Layers 7 4624.5 :• :, : a L1Y SAND with CR/ VEL 5 '1 SS 12 4 16 2 • ::. • .. • y: :'• . ' .' Tan, brown, dense Classified Gravel 25 moist to wet, loose to medium as Poorly Graded Sand with 4603.5 10 2 SS 12 18 14 6 15 3 SS_ 12 96 12 R • 20 4 SS 12 12 15 1 SILTY SAND trace GRAVEL 25 • • Tan, dense * Classified 4s brown, moist to as Well wet, loose to medium Graded Sand with Silt 4579.5 30 5 SS 12 9 _21 7 35 40 F SS 12 24 17 (Z 4g Continued Next Page 50_ 7 SS 19 7 292 - The stratification lines represent the approximate boundary between soil and rock types: in-stu. the transition may lines be gradual. IWATER LEVEL OBSERVATIONS, ft BORING STARTED 11-5-01 WL 7- 4 WD X. 3.8 AB BORING COMPLETED 11-5-01 ST 31 erracon RIG CME-75 FOREMAN ARS evt_ WL Water Checked 24 Hrs. AB APPROVED DAR JOB # 20015242 1 1 1 1 1 1 t 1 LOG OF BORING NO. 1 Page 2 of CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit SAMPLES TESTS o o c.) cy O DESCRIPTION O �, mo >. cq S ct w >2 w Ictsd z@ o zz w aRi �� Q O 1... E a -- Q w ziL- z O Z Liz SANDY LEAN CLAY Tan, gray, moist to wet, stiff to very stiff 55-- .456 4572.5 SILTY SAND with GRAVEL - Tan, brown, to dense moist wet, loose to medium -- -- so R ,SS 17 50 ,11a - 68 4560.5 65 WEATHU ED SIL1STQNE!CLAYSTON _ Gray, moist, moderately hard 70.. = 71 4557.5 SILTSTONE/cLAYSTONE r - Gray, moist, hard to very hard 75 4553.5 - 75 9 AC 15 R BOTTOM OF BORING • The stratification lines represent the approximate boundary between soil and rock types: in -situ, the transition may lines be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-5-01 WL 4 VVD 13.8 AB BORING COMPLETED 11-5-01 WL T V 1 erracon RIG CME-75 T FOREMAN ARS WL Water Checked 24 Hrs. AS APPROVED DAR JOB* 20015242 i r z' S a. a N _ CLIENT LOG OF BORING NO. 2 Doug and Darwin Derr SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado • • 4': • •• DESCRIPTION Approx. Surface Elev,: 4630.12 ft SANDY LEAN CLAY trace GRAVE. and 3 COBBLES \TanLgray, moist to wetLstiff to very stiff c _ sIL-ry SAND with GRAVEL V Tan, brown, moist to wet, loose to medium dense * Cobbles Encountered ,25 * Classified as Silty Gravel with Sand SILTY SAND trace GRAVEL Tan, brown, moist to wet, loose to medium dense Continued Next Page The stratification lines represent the approximate boundary lines between soil and rock types: In -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft Sl WL 4.5 WO ,,L igtWL Initial Water Level Reading 4627 ARCHITECT / ENGINEER PROJECT a w a 5 10 15 20 es - USCS SYMBOL 4805 25 --- 30-- 35_, 40 45 r 50 Derr Gravel Pit SAMPLES Page 1 of 2 TESTS co Z 1 2 3 4 S 111 RECOVERY, in. sS1 12 17 SS, 17 12 $S 't2 26 SS 12 SO SS_ BORING STARTED lIerracon .� _. _. .._... _. ..a_.. .--_....-_....._ ._...._. .. 12 28 10 3 1� Q 15 0 1S4 21 S 4 11-5-01 BORING COMPLETED 11-6-01 FOREMAN ARS JOB # 20015242 RIG CME-75 APPROVED DAR at 1 1 P 1 1` i LOG OF BORING NO. i. 2 Page 2 of 2 CLIENT Dou; and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue Greeley, Colorado & 8th Street PROJECT Derr Gravel Pit nt Q- w O DESCRIPTION CL 0 SAMPLES TESTS g (I) > z w n' I w cgz 9 �' O 'arid d 2 SOU >- **g_ o n. z zZ ow U ic-/-3 .` SILTY SAND trace GRAVEL '. '• Tan, brown, moist to wet, loose to medium dense 56 4574 - E 55 - SANDY LEAN CLAY 46° Tan, gray, moist to wet, stiff to very stiff 4570 80 _, SILTY SAND with GRAVEL --r .. .... • :y '.. ., •.. . ,: Tan, brown, moist to wet, loose to medium dense es 70- _ 75 -- -. - 80 - — WEATHERED SILTSTONE/CLAYSTONE ti 4548 _ / \Gray, moist, moderately hard / 84.3 SILTSTQNE/Ct„ AYSTONE 4546 moist, * Intermittent hard to very Sandstone hard Lenses / 165 3 501U.3 L 26:1Gray, r S 3 f 1C BOTTOM OF BORING D The stratification tines represent the approximate boundary between soil and rock types: in-eitu, the transition may i lines be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-5-01 p WL SI 4.5 WD -T BORING COMPLETED 11-6-01 Sr i WL V erracon RIG CME-76 FOREMAN ARS g` L L Initial Water Level Reading APPROVED DAR JOB # 20015242 LOG OF BORING NO. 3 Page 1 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue Greeley, Colorado & 8th Street PROJECT Derr Gravel Pit IGRAPHIC LOG Approx. Surface Elev.: DESCRIPTION 4630.58 ft o La USCS SYMBOL SAMPLES TESTS NUMBER TYPE RECOVERY, in. z II 0 m WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf % SANDY LEAN CLAY trace ?RAVEL A25 Tan, gray, moist to wet, stiff to very stiff 4628 SILTY SAND with GRAVED ;•; f` .' �. .• .. -; Tan, brown, moist to wet, loose to medium dense • Cobbles Encountered ' Classified as Well Graded Sand with Gravel 4600.5 5 1 SS_ 12 15 133 -- 10-= _ 15 ~' 2 SS 12_ 26 11 5 -- 20 25 7: 3 SS 12 41 15 4 =a 30 SILTY SAND trace GRAVEL = • . . '• - .. •• `: '•• Tan, brown, moist to wet, loose to medium dense 47 4583.5 35-1-- _ a. 40 - 4 SS 12 20 164 45= =- 1 SANDY LEAN CLAY _ Tan, gray, moist to wet, stiff to very stiff 4580 Continued Next Page The stratification lines represent the approximate boundary between soil and rock types: in-eitu, the transition may lines be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6-01 WL 7 4.5 WD st BORING COMPLETED 11-6-01 WL i T erracon RIG CME-75 FOREMAN ARS WL I Initial Water Level Reading APPROVED DAR JOB # 20015242 LOG OF BORING NO. 3 Page 2 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Greeley, Avenue & 8th Street Colorado PROJECT Derr Gravel Pit GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL SAMPLES TESTS NUMBER TYPE RECOVERY, in. Z L. O 0m WATER CONTENT, % DRY UNITWT Pc! UNCONFINED STRENGTH, psf SILTY SAND with GRAVEL 8a 8 n a 01 8 ILllLIjiti1i11Ii111111U11It1111111IIIIIIa lll111111111l1111I1111 1111 1111111, " • • :': ,,' f:•; . • :., :., .-: `' .' • • • .; ' ,864,144.5 Tan, brown, moist to wet, loose to medium dense * Cobbles Encountered 5 SS 12 5n 16 4 A AC 14 7 87 WEATHERED SILTST9NEJCLAYSTONR 4543.5 \Gray, moist, moderately hard I _—_, SILTSTONE/CLAYSTQN 4540.5 7 AC 7 8 moist, hard to hard \Gray, very / BOTTOM OF BORING The stratification lines represent the approximate boundary lines between soil and rock types: to -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6-01 WL 2 4,5 WD X BORING COMPLETED 11-6-01 WL 7 V ierracon RIG CME-75 FOREMAN ARS WL Initial Water Level Reading APPROVED DAR JOB # 20015242 I i i I i i i i i 9 200152C2.GPJ T CLIENT Doug and Darwin Derr LOG OF BORING NO. B1 SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado DESCRIPTION Approx. Surface Elev.: 4628.24 ft 5 SANDYJ,.EAN CLAY trace GRAVEL Tan, gray, moist to wet, stiff to very stiff SILTY SAND with GRAVEL Tan, brown, moist to wet, loose to medium dense " Classified as Poorly Graded Gravel with Sand 4823 25 4603 SILTY SAND trace GRAVEL Tan, brown, moist to wet, loose to medium dense 37 SILTY SAND with GRAVED Tan, brown, moist to wet, loose to medium dense " Classified as Poorly Graded Gravel with Sand 50 Continued Next Page The stratification lines represent the approximate boundary lines between soil and rook types: in -situ, the transttlon may be gradual. WATER LEVEL OBSERVATIONS, ft WL AL � WL Y 4591 4578 ARCHITECT / ENGINEER PROJECT a w C 10 15 20 25 OMEMI 30� 35 40 45 50 USCS SYMBOL 1 Derr Gravel Pit Page 1 of 2 SAMPLES TESTS w a. AC RECOVERY. in. 1--.Cr) 03 C W� �O z Ow z1 - D V) 2 3 AC AC 4 salmi 5 AC AC1 mwr 6 AC lierracon 1 BORING STARTED 11-6-01 BORING COMPLETED 11-6-01 RIG LW -AR FOREMAN ARS APPROVED DAR JOB # 20015242 N O N N qr N_ LOG OF BORING NO. BI Page 2 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit GRAPHIC LOG DESCRIPTION T o USCS SYMBOL SAMPLES TESTS Q' w fn z TYPE RECOVERY, in. C z vat CO WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psi • 1'•'� SILTY SAND with GRAVEL trace — 7 AC . _ _ _ • .• p COB$LES -- _, 55 .. • •..•... ••' :::•_ • �' :. -W1183 1 •dense •• t• ' J' • '1 • • 4 .. 1, ,• •• Tan, * Classified Silt 82 brown, and Sand moist to wet, loose as Poorly Graded to medium Gravel with 4546 8 AC _. so _ 9 AC _ 70 10 AC 5 7S 11 AC = 12 AC WEATHERED $ILTSTONE/CLAYSTQNE 4545 = Gray, moist, moderately hard / l 85 - 13 AC , ; 4543 SILTSTQNE/CI1AYSTQNs~ Gray, tan, moist, * Intermittent Sandstone hard to very hard Lenses BOTTOM or BORING The stratification lines represent the approximate boundary between soil and rock types: in -situ, the transition may lints be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6-01 WL BORING COMPLETED 11-6-01 WL 7 V err acon RIG LVV-AR FOREMAN ARS AWL _APPROVED DAR JOB # 20015242 4 i LOG OF BORING NO. B2 Page 1 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit GRAPHIC LOG Approx. DESCRIPTION Surface Elev.: 4628.81 ft DEPTH, It USCS SYMBOL SAMPLES TESTS NUMBER TYPE RECOVERY, In. ei z � m WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psi 7. SILTY CLAYEY SAND trace GRAVEL —1 - !1 . Tan, brown, dry to moist, loose 7.5 48215 5 -1 1 AC SILTY SAND with GRAVEL �� .. • ' . • . •' l Tan, dense ' Classified Gravel 37 brown, moist to as Well wet, Graded loose to medium Sand with 4592 -- 2 AC _-, •-- 15 —' 3 AC _-, 4 AC 25 _ 5 AC 30 6 AC 35 - -= 7 AC y SILTY CLAYEY SAND trace GRAVEL, ao — /J� ��, Tan, brown, moist to wet, dense « loose to medium 4.587 J 8 AC SILTY SAND with GRAVEL -, 43 •. Tan, dense brown, moist to wet, loose to medium Continued Next Page _, 9 AC , The stratification lines represent the approximate boundary between soil and rock types: in -situ, the transition may lines be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6.01 WL V- t BORING COMPLETED 11-6-01 WL I. I erracon RIG LW -AR FOREMAN ARS tWL APPROVED DAR JOB # 2001 524 LOG OF BORING NO. B2 Page 2 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit 1 GRAPHIC LOG DESCRIPTION DEPTH, ft. USCS SYMBOL SAMPLES TESTS NUMBER TYPE RECOVERY, In. t zn a2 coca WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, pSt ., ;,;:. SILTY SAND with GRAVED = 10 AC .• . • {:: ; t'• .. ' -: .. Tan, brown, moist to wet, loose to medium dense • Classified as Poorly Graded Sand with2 Gravel •:• 67.5 4561.5 —' 11 AC 12 AC 65 __4 -71 i 13 AC .: ,:;. SILTY SAND with GRAVEL and COBBLES =• 70 .:.• '.:.',.81 •.: ••' Tan, dense brown, moist to wet, loose to medium 4548 j 75 2 14 AC , so _, 15 AC WEATHERED SILTSTONE/CLAYSTONE 4547 1A AC \Gray, moist, moderately hard SILTSTONE/CLAYSTONE ray, tan, moist, hard to very hard BOTTOM OF BORING The stratification lines represent the approximate boundary between soil and rock types: in -situ, the transition may fines be gradual. WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6-01, WL-V. T BORING COMPLETED 11-6-01 WL 2 Y erracon RIG LW -AR FOREMAN ARS WL APPROVED DAR JOB # 20015242 i i i i i i i i i i i i p CLIENT Doug and Darwin Derr LOG OF BORING NO. B3 SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado O J Z a cc O .1. ARCHITECT I ENGINEER PROJECT DESCRIPTION C W 0 SANQY LEAN CLAY trace GRAVEL 2.5 Tan, gray, moist to wet, stiff to very stiff SILTY SAW) with GRAVE Tan, brown, moist to wet, loose to medium dense * Classified as Poorly Graded Gravel with Sand Classified as Well Graded Gravel with Sand Continued Next Patio The stratification !Ines represent the approximate boundary lines between sop and rock types: in -situ, the transition may be gradual. WATER LEVEL OBSERVATIONS. ft `NL12 WL I 5 10 15 20 25 1 2 3 4 5 7 8 9 Derr Gravel Pit SAMPLES TESTS S Page 1 of 2 a - }w AC AC AC AC AC lierracon L BORING STARTED 11-6-01 BORING COMPLETED 11-6-01 RIG LW -AR FOREMAN ARS APPROVED DAR 1 JOB # 20015242, A 1 1 1 d LOG OF BORING NO. B3 Page 2 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit SAMPLES TESTS o T tc 0 DESCRIPTION a o m D x z 0. c a w it _c O H W a0 a "- 2. Z le U l- coaoJ 3V oa LT SILTY AND S ' with GRAVEL 10 • Tan, brown, to AC dense moist wet, loose to medium :.. -- 7 55 .., 11 AC 60 = 65 .• .:' 67 12 AC S LTY_SANQ with GRAVEL trace =- • COBBLES . •:. Tan, brown, moist to wet, loose to medium 70 f:: •• dense * Classified as Poorly Graded Gravel with �, 13 AC :, :• Sand * Intermittent Clay Lenses 75 14 AC ';. , ..., SILTY SAND with GRAVEL and COBBLES 15 AC ':: • :•• Tan, brown, moist to wet, loose to medium - . dense 85-- - 16 AC 90 BOTTOM OF BORING The stratification lines represent the approximate boundary between soil and rock types: in-altu, the transition may lines be gradual. ' WATER LEVEL OBSERVATIONS, ft BORING STARTED WL 11-6-011 BORING COMPLETED WL 7 ,4 erracon 11-6-01 RIG LW -AR FOREMAN WL ARS APPROVED DAR JOB # 20015242 1 r t i i i i i i r 1 1 1 t t 1 1 C 1 ` LOG OF BORING NO. B4 Page 1 of 2 CLIENT Doug and Darwin Derr ARCHITECT / ENGINEER SITE N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado PROJECT Derr Gravel Pit GRAPHIC LOG DEPTH, It USCS SYMBOL SAMPLES TESTS DESCRIPTION Approx. Surface Elev.: 4631.47 ft NUMBER TYPE RECOVERY, in. SPT- N BLOWS / ft. WATER CONTENT, % DRY UNIT WT pcf UNCONFINED STRENGTH, psf SANDY LEAN CLAY trace GRAVEL V, 2.5 Tan,jray, moist to wet, stiff to very stiff 4629 • . SILTY SAND with GRAVEL, '.. Tan, brown, moist to wet, loose to medium 5 — •..'•'::. dense * Classified as Well Graded Sand with Silt = 1 AC .'•;'.• and Gravel o • 2 AC �g :• 3 AC l 20 - • Intermittent Clay Lenses - 4 AC • 25 : • ':: • , * Classified as Poorly Graded Gravel with Silt and Sand =. =• 5 AC H a I ....., :, * Classified Sand as Poorly Graded Gravel with i 7 AC ..• .�.. 8 AC - •Continued Next Page L 0 0 CV The stratification lines represent the approximate boundary between soil and rock types: in -situ, the transition may lines be gradual. AWASallAISIIIMIll i WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6-01 I > WL V- BORING COMPLETED 11-6-01 WL SE V erracon RIG LW -AR FOREMAN ARS 2 L .r...-.�r..� A APPROVED DAR JOB # 20015242 LOG OF BORING NO, B4 Page 2 of 2 CLIENT Doug and Darwin Derr ARCHITECT I ENGINEER SITE WE Corner of Balsam Greeley, Avenue Colorado & 8th Street PROJECT Derr Gravel Pit SAMPLES TESTS E.:1 Z a. tY O DESCRIPTION O J m 0 ( W Z oy' i- > O C ZSo 40 cnm �W �O 1U Z fir- tali w �" ZZ One Dy) �'` ::,s2 45793 = 10 AC SILTY SAND with GRAVEL trace - COBBLES - . . Tan, brown, moist to wet, loose to medium 55 'AC � .: ' dense * Classified as Poorly Graded Gravel with -' - - 11 Sand D ::'; .! _ 12 AC .. `'. r. .. `- - - 13 AC • . 72 4559.5 — - 14 AC ... SILTY SAND with GRAVgL and COBBLES j • 4 -''•' Tan, brown, moist to wet, loose to medium dense - 75 . -, 15 AC ic:so� • 16 AC e5 - - • :. $7 4544.5 — 17 AC V i si z BOTTOM OF BORING 1- The stratification lines represent the approximate boundary lines 7 between soil and rock types: In -situ, the transition may be gradual. 1 WATER LEVEL OBSERVATIONS, ft BORING STARTED 11-6-01 3 WL Z. I BORING COMPLETED 11-6-01 J WL Z V err acon RIG LW -AR FOREMAN ARS `WL - APPROVED DAR JOB # 20015242 _ i r 1 1 a r 0 1 1 1 1 100 95 90 85 80 75 7 6R I- x 0 6C >- 5" m cc La Z � W O 41 W G. 3 2 2 1 1 U.S. SIEVE OPENING IN INCHES 2 1 1!2318 3 U.S. SIEVE NUMBERS 6 810 16 20 3a 40 5° 60 1°° 140 200 HYDROMETER 15 1 i 1 1. 1 4 r * 4 5 Lr ♦ r 4 0 . v . 1A\ o 5 f 0 t 5 0 1 100 10 GRAIN SIZE IN MILLIMETERS 0.01 COBBLES1 GRAVEL SAND SILT OR CLAY coarse1 nne coarse medium tine Specimen Identification A Classification LL PL Pt Cc Cu • 1 9.0ft POORLY GRADED SAND with GRAVEL(SP) NP NP NP 0.86 18.42 M 1 39.0ft WELL -GRADED SAND with SILT(SW-SM) NP NP NP 2.49 10.11 • 2 14.0ft SILTY GRAVEL with SAND(GM) NP NP NP * 2 80.0ft SILTY SAND with GRAVEL(SM) NP NP NP O 3 24.0ft WELL -GRADED SAND with GRAVEL(SW) NP NP NP 1.23 11.34 `: Specimen Identification D100 D60 D30 D10 %Gravel %Sand %Silt 1 %Clay i • 1 9.0ft 25 5.879 1.271 0.319 44.0 53.0 3.0 m 1 39.0tt 25 0.955 0.474 0.094 5.0 86.0 9,0 t ♦ 2 14.0ft 37.5 7.417 0.85 ,, 49.0 _ 38.0 13.0 * 2 80.0ft 12.5 1.406 0.294 15.0 71.0 14.0 c 3 24.0ft . 19 3.136 _ 1.032 28.0 - 68.0 4.0 - 0.277 r 3 • ii i err aeon GRAIN SIZE DISTRIBUTION _ Project: Site: Job Date: N/E #: 1-8-02 20015242 Derr Corner Gravel Pit of Balsam Avenue & 8th Street Greeley, Colorado i i i i i i i I i i i i 1 i i U.S. SIEVE OPENING 6 4 2 . IN INCHES I U.S. SIEVE NUMBERS I HYDROMETER 1 3/4 1/23/8 3 4 6 810 1416 20 30 40 50 80 100140 200 100 95 1 ,1 17 ..,, I , 1 I III I 1 I I 90 1 ..... A -t 6- , . LE -- V 4. 85 . _ fie 80 .i , 1 4 75 .. _ , , 70 , 4 • •' . - -....-, 65 1 -, II. I _ -' _ Q 60 1 ; - . , , co I1 U.1 50 C F.. 45 _ .� . . .. .-.. - . . ,. w tr40 , ,-- ,, r....--_ • Lit 35 4 • - 1 30 , , 25 L. . 20 r .. . -V..-+ 15 --•- . t 10 t - r .I-. - . 5 -,. J j- J ,. J - .!-� 0 100 10 1 0 1 GRAIN SIZE IN MILLIMETERS 0.01 0.001 COBBLES GRAVEL SAND coarse fine cone medium floe SILT OR CLAY j Specimen Identification , Classification LL PL PI Cc Cu • B1 10.0ft POORLY GRADED GRAVEL with SAND(GP) NP NP NP 4.06 48.99 I B1 40.0ft POORLY GRADED GRAVEL with SAND(GP) NP NP NP 0.77 17.32 a B1 55.0ft POORLY GRADED GRAVEL with SILT and SAND(GP-GM) NP NP NP 0.85 22.35 * B2 15.0ft SILTY SAND with GRAVEL(SM) NP NP NP O B2 20.0ft WELL -GRADED SAND with GRAVEL(SVV) NP NP NP 1.14 10.67 3 Specimen Identification O100 D60 D30 O10 %Gravel %Sand %Silt j %Clay • B1 10.0ft 50 20.82 5.993 0.425 74.0 23.0 3.0 ►. B1 40.0ft . 75 10.41 2.202 0.601 54.0 45.0 1.0 a B1 55.0ft 75 9.5 1.85 0.425 51.0 44.0 5.0 * B2i. 15.0ft 37.5 4,75 0.425 40.0 40.0 20.0 :0 B2 20.0ft 37.5 1.92 0.629 0.18 26.0 71.0 3.0 i GRAIN SIZE DISTRIBUTION 1 [err acoi ra �, Project: Site: Job Date: Derr Gravel Pit N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado #: 20015242 1-8.02 Et I Simla /i 1 TC GRAIN SIZE 100 95 9O 85 80 75 70 65 I- s S2 Ic m 55 w 50 z LT 45 w Ix 40 1. 35 30 25 20 15 10 5 0 U.S. SIEVE OPENING IN INCHES I Q 4 a 2 1.5 1 3/4 1n3/8 3 4 U.S. SIEVE NUMBERS ( 8 810 1416 20 30 40 50 BO 100 2 HYDROMETER 140.!III. i - H Y 1 flea 0` 1 0. 1111 ..-_ • Itti illiall is: 1!UIIUI, -it Is lati I j r 1 gig • ■ .4r-4 . 1 p — k .. .. �`Mae lag II P• 04.I sIn L :., L_ 1 _ .: __ _ 1M In .• COBBLES GRAVEL GRAIN SIZE IN MILLIMETERS coarse medium fine 0.01 0.001 SILT OR CLAY Specimen Identification • CC • 0 B2 B3 B3 63 B4 55.0ft 5.0ft 30.0ft 70.0ft 5.0ft Specimen Identification Classification POORLY GRADED SAND with GRAVEL(SP) POORLY GRADED GRAVEL with SAND(GP) WELL -GRADED GRAVEL with SAND(GW) POORLY GRADED GRAVEL with SAND(GP) WELL -GRADED SAND with SILT and GRAVEL(SW-SM) D100 D60 D30 D10 LL NP NP NP NP NP %Gravel PL NP NP NP NP NP %Sand PI NP NP NP NP NP Cc 0.36 0.90 1.39 30.83 %Silt 3.04 • B2 55.0ft 75 13.879 1.451 0.425 49.0 49,0 2.0 Cu 32.66 46.19 9.59 66.51 42.30 %Clay m A 0 B3 B3 B3 B4 5.0ft 30.0ft 70.Oft 5.0ft 50 50 100 25 1 19.63 10.41 56.537 3.172 2.739 3.959 38.494 0.85 0.425 1.085 0.85 63.0 66.0 67.0 0.075 1 33.0 33.0 33.0 14.0 57.0 4.0 1.0 2.0 10.0 M lierracon GRAIN SIZE DISTRIBUTION Project: Derr Gravel Pit Site: N/E Corner of Balsam Avenue & 8th Street Greeley, Colorado Job #: 20015242 Date: 1-8-02 i i i i i i i i i i a U.S. SIEVE OPENING 8 4 • IN INCHES I U.S. SIEVE NUMBERS I HYDROMETER 2 1.5 1 3/4 1!2315 3 4 0 810 1418 20 30 40 50 Bfl 100140200 100 85 iI i 940 85 .- \ 6_ _ ,, : . \14 75 leal • 70 I. 65 1 60 1111111 '• 1 , , >- 55 ,O 1 . k w 50 , zill I- 45 igitifilli ,.:. w x 40 a a. 35 30 25 , , 20 immmmtmhik It 15 t r -4 .`I 10 •. • ' , &b.,. , 0 I' 100 10 1 0.1 0.01 0.001 GRAIN SIZE IN MILLIMETERS COBBLES GRAVEL SAND coarse fine coarse 1 medium fine SILT OR CLAY Specimen Identification Classification LL PL P1 Cc Cu • • 84 25.0ft • • ; • • V with ' ! = n ► • ( ►1) NP NP NP 0.90 72.65 an B4 35.0ft POORLY GRADED GRAVEL with SAND(GP) NP NP NP 0.34 38.15 A B4 55,0ft POORLY GRADED GRAVEL with SAND(GP) NP NP NP 0.44 74.73 Specimen Identification O100 D60 030 D10 %Gravel %Sand %Sift %Clay • 84 25.0ft 50 10.897 1.214 0.15 53.0 40.0 7.0 � B4 35.Oft 75 23.665 2.244 0.62 57.0 42.0 1.0 • 64 55.0ft 100 38.718 2.963 0.518 57.0 35.0 1.0 r ■ �� GRAIN SIZE DISTRIBUTION 1rerr acon Project Derr Gravel Pit Site: NT_ Corner of Balsam Avenue & 8th Street Greeley, Colorado Job #: 20015242 Date: 1-8-02 1 I r w Sheet 1 Borehole Depth rt Liquid Limit Plastic Limit 1 Plasticity index Maximum a (mm) °.6#200 Sieve USCS Class Class Water Content (%) Ory Unit Weight (pcf) Satur- $lion (%) of 1 Vold Ratio 1 4.0 16.2 1 9.0 NP NP NP 25 1 „. 3 SP 14,6 1 14.0 12,8 1 19.0 15.1 1 29.0 21.7 1 39.0 NP NP NP 25 pi 9 SW-SM 17.0 1 49.0 29.2 1 59.0 11.9 1 75.0 15.8 2 4.0 10.3 2 9.0 15.9 2 14,0 NP NP NP 37.5 4"' 13 GM 15.0 2 19.0 15,4 2 34.0 21.6 2 49.0 19.7 2 80.0 NP NP NP 12.5 //a' 14 SM 2 84.0 26.1 3 4.0 13.3 3 14.0 11.5 3 24.0 NP NP NP 19 '' 4 SW 15.4 3 39.0 r _ 16.4 3 54.0 16.4 3 69.0 14.7 3 70.0 5.7 3 89.0 17.8 B1 10.0 NP NP NP 50 ?" 3 GP 81 40.0 NP NP NP 75 7fi 1 GP 81 55.0 NP NP NP 75 7'' 5 GP -GM 82 15.0 NP NP NP 37.5 /4'' 20 SM B2 20.0 NP NP NP 37.5 /,r " 3 SW B2 55.0 NP NP NP 75 ; e2 SP B3 5.0 NP NP NP 50 2 ' 4 GP B3 30.0 NP NP NP 50 r ~ 1 GW B3 70.0 NP NP NP 100 y 2 GP B4 5.0 NP NP NP 25 /4' 10 SW-SM B4 25.0 NP NP NP / 50 2 `' 7 GP -GM B4 35.0 NP NP NP 75 3 1 GP B4 55.0 NP NP NP 100 r" 1 GP SUMMARY OF LABORATORY RESULTS �rr�can Project: Site: N/B Job* Date: Derr Gravel Pit Corner of Balsam Avenue & 8th Street Greeley, Colorado 20015242 1-8-02 Subsurface Exploration Report Proposed Slurry Wall Sand & Gravel Pit Part of Sec 4, T5N, R65W, C' P.M. Greeley, Colorado December 3, 2006 Two Rivers Testing, Inc. 1601 37`h Street Evans, Colorado 80620 (970) 339-4092 tr.T trikaaanitrisw " R, ` ;�aa��cris:a w �7 .T.." December 3. 2006 Mr. Darwin Derr Dust & Dirt Excavating 641 North 1't Avenue Greeley. CO 80631 Two Rivers Testing, inc. 1601 37th Street Evans, CO 80620 (970) 339-4092 (970) 339-4762 Fax Re: Proposed Slurry Wall Part of Sec 4, Township 5 North, Range 65 West, 6th P.M. Greeley, CO Dear Mr. Derr: We are pleased to submit this Subsurface Exploration Report for the site referenced above, as you requested. Based on our investigation of this site and the subsurface conditions encountered, it is our opinion the site is suitable for the proposed construction, providing the design criteria and recommendations set forth in this report are met. The enclosed report presents our findings of the subsurface conditions and our recommendations based upon these findings. Sincerely. TWO RIVERS TESTING, INC. Tom Cope. P.E. President Cc: 2006-201 - 40,AEI :•_ :. ri. Ij; Subsurface Exploration Report Proposed Slurry Wall Part of Section 4. Township 5 North, Range 65 West, 61h P.M. Greeley, Colorado Prepared for: Dust and Dirt Excavating Project # 2006-201 Prepared By: Two Rivers Testing. Inc. 1601 37m Street Evans, Colorado 80620 (970) 339-4092 December 3. 2006 TABLE OF CONTENTS Report Scope 1 Site Location and Description 1 Site Exploration 1 Laboratory Tests and Examinations 2 Subsoil and Ground Water Conditions 2 Recommendations and Discussion 3 General Comments 4 Appendix A Test Boring Location Diagram Boring Logs Appendix B Summary of Test Results Subsurface Exploration SCOPE This report presents the results of a subsurface exploration for a proposed sand and gravel pit east of Greeley. The investigation was performed for the owners to identify information that would assist in the installation of a slurry wall. The investigation consisted of drilling 15 test borings, inserting water monitoring wells for each boring and laboratory testing of samples obtained from these borings. Information concerning the monitoring well installation is not included in our scope of work, but was being provided by another consultant. The objectives of this study were to (1) evaluate the subsurface conditions at the site relative to the proposed slurry wall construction (2) identify groundwater and (3) identify bedrock depths. The conclusions and recommendations presented in this report are based upon analysis of field and laboratory data. SITE LOCATION AND DESCRIPTION The site is located north of East 8th Street and east of Balsam Ave in Part of Section 4. Township 5 North. Range 65 West of the Sixth Principal Meridian, Greeley, Colorado. At the time of drilling, the site consisted of native grasses and weeds with an oil battery located east of the west entrance to the site. The main location for the sand and gravel mining had been leveled. SITE EXPLORATION The geotechnical field exploration was conducted October 16-18 and October 23-25, 2006 and consisted of drilling 15 test borings. The test borings are shown on the Bore Location Plan enclosed in Appendix A and include visual classifications of each soil, location of subsurface changes, and subsurface water level measurements at the time of this investigation. The locations of the test borings were determined by the client and field surveyed by the client. Table No. 1 provides a summary of the bore locations as provided by the client. The borings were advanced using a 9" exterior/6" interior dual wall percussion hammer drill pipe with continuous sampling done through a cyclone separator mounted on a Drill Systems AP 1000 drilling rig. Samples of the subsoil were obtained to determine an index of the soils with the results listed on the Summary of Test Results noting the depth of specific soils, groundwater levels and bedrock locations for each bore. A combination of hammer and reverse circulation drilling were utilized to obtain samples. Samples for use in the laboratory were sealed in the field and preserved at natural moisture content until time of testing. TABLE NO. 1 - BORE LOCATION DATA EXISTING TOP OF GROUND WELL ELEVATION ELEVATION TRT BORE # D&D BORE # NORTHING EASTING (FT) (FT) 1 1 1400384.332 3232400.544 4633.33 4635.78 2 3 1400366.071 3233172.936 4631.63 4633.70 3 5 1400354.778 3233959.471 4629.83 4632.40 4 7 1400949.048 3233916.872 4630.52 4633.23 5 8 1401305.720 3233832.300 4630.53 4632.91 6 11 1401437.642 3233152.121 4634.50 4637.06 7 13 1401410.230 3232418.749 4638.15 4640.65 1 8 14 1401071.219 3232405.372 4637.61 4640.25 9 12 1401373.829 3232778.833 4636.29 4638.77 10 9 1401324.403 3233462.537 4632.63 4635.43 11 15 1400927.414 3233248.678 4630.68 4633.52 12 2 1400414.170 3232770.927 4632.48 4635.05 13 4 1400403.192 3233516.356 4630.70 4633.41 14 6 1400601.020 3234300.943 4658.46 4661.07 15 10 1401826.023 3233413.749 4661.19 4663.81 * Northing, Easting, and Elevations provided by Dust & Dirt Excavating LABORATORY TESTS AND EXAMINATIONS Samples obtained from the test borings were subjected to testing and observation in the laboratory to provide a sound basis for determining the physical properties of the soils encountered. Moisture contents, percent passing # 200 sieve, and the USCS classification were determined. A summary of the test results and laboratory analysis can be found in Appendix B. SUBSOIL AND GROUND WATER CONDITIONS In summary, silty sand with gravel soils were encountered at the surface with varying levels of sand, gravel and cobble intermixed with lenses of clay. Below these soils, weathered and competent bedrock soils existed to the depths explored. 1) Upper Soils: Varying levels of silty sand with gravel soils exist at the surface to the bedrock encountered below. Below these soils exist varying levels of silt, sand, gravel and cobble mixed with intermittent layers of silty sandy clay. 2) Lower Soils: Below the upper soils, varying types of weathered and competent bedrock consisting of siltstone and claystone were present to the depths explored. Competent bedrock was present at depths ranging from forty-five feet (45') to greater than one hundred twenty feet (120') below existing surface. 3) Groundwater: Groundwater was encountered at depths ranging from eight feet (8') to forty feet (40'). Water levels in this area are subject to change due to seasonal variations and irrigation demands on and/or adjacent to the property. Table No 2 summarizes the depth and elevation of the groundwater and competent bedrock. TABLE NO. 2 - SUMMARY OF BORE DATA TRT BORE # EXISTING GROUND ELEVATION (FT) DEPTH TO GROUND WATER (FT) ELEVATION TO GROUND WATER (FT) DEPTH TO COMPETENT BEDROCK (FT) ELEV. TO COMPETENT BEDROCK (FT) 1 4633.33 8.0 4625.3 45.5 4587.8 2 4631.63 9.0 4622.6 85.0 4546.6 3 4629.83 9.0 4620.8 86.0 4543.8 4 4630.52 11.0 4619.5 83.0 r 4547.5 5 4630.53 9.0 4621.5 82.0 4548.5 6 4634.50 15.0 4619.5 89.0 4545.5 7 4638.15 17.0 4621.1 77.0 4561.1 8 4637.61 13.0 4624.6 76.0 4561.6 9 4636.29 15.0 4621.3 89.0 4547.3 10 4632.63 8.5 4624.1 84.5 4548.1 11 4630.68 11.0 4619.7 86.0 4544.7 12 4632.48 17.0 4615.5 74.0 4558.5 13 4630.70 9.0 1 4621.7 85.0 4545.7 14 4658.46 40.0 4618.5 >120 >4538.5 15 4661.19 35.0 4626.2 115.0 4546.2 RECOMMENDATIONS AND DISCUSSION Based upon the results of our investigation, we conclude that from a geotechnical standpoint, the site is suitable for the proposed construction with the following limitations listed below: The slurry wall is proposed to be hammer driven with slurry injection. The slurry wall should be installed a minimum of five feet (51) into competent bedrock or until refusal occurs. Some leakage may still occur through the siltstone bedrock stratum. A Geotechnical Engineer's representative should be on site to verify competent bedrock is encountered. GENERAL COMMENTS This report has been prepared to aid in the evaluation of the property and to assist the architect and/or engineer in the design of this project. In the event any changes in the design of the structures or their locations are planned, the conclusions and recommendations contained in this report will not be considered valid unless said changes are reviewed and conclusions of this report modified or approved in writing by Two Rivers Testing, Inc., the geotechnical engineer of record. The professional judgments expressed in this report meet the standard care of our profession. Every effort was made to provide comprehensive site coverage through careful locations of the test borings. while keeping the site investigation economically viable. Variations in soil and ground water conditions between test borings may be encountered during construction. In order to permit correlation between the reported subsurface conditions and the actual conditions and specifications as originally contemplated. it is recommended Two Rivers Testing. Inc. be retained to perform continuous construction review during the slurry wall installation. Two Rivers Testing. Inc. assumes no responsibility for compliance with the recommendations included in this report unless they have been retained to perform adequate on -site construction review during the course of construction. 4 �.�rti; G , '‘,4` S '•'4 ?';•• C. • is+- •`,'-��'� _. • • r! APPENDIX 'fLa.h 1I�1•.� TEST BORING LOGS • 1 TEST BORING LOCATION DIAGRAM SLURRY WALL DESIGN GREELEY, COLORADO TWO RIVERS TESTING, INC. "......4.tira�1titit�� 1501 37th STREET EVANS, COLORADO 80620 (970) 339-4092 DATE: 11/8/06/06 PRO... No: 2006-201 SCALE: NT - DRAWN BY: TMC CHECKED BY: TMC SHEET 1 OF 1 LOG OF TEST BORE - 1 (Log 1 of 3) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND WITH GRAVEL SILTY SAND WITH GRAVEL GROUNDWATER V GRAVEL WITH COBBLE SILTY SAND & GRAVEL WITH COBBLE 2 3 4 6 8 •••, P,••••4 .••••4 ••••, �••••i ••••. 13 '▪ '•••l .••••4 14 '••••4 15 •••••1 0.• •••1 is t• •••l 1 ! t•••$1 18 i•••••, 9 paata?atal a .� 14 .aar 20 ao4:a aaaa: ooWasc aaaaaaaaa, 21 pu°,a°a°v si4 aa. edidea,atii 22 a°a'i''a°�' aa�aie �a . aaad�r aaaaaaa ar a.4ae4 2 3 Daaaaaaa4' a a a a V iaaa4a4aar Naaa4aaaa. 2 4 aaaaaaaaar L a7aiaaaa. 2 5 .4 ari'''a` o allaaaaaaa` aaa4aa� aaaaai aaaaai a4r it aaaaJaJr The stratification lines rabresent :he approximate boundary lines bemeen soil and rock types Insttu. the transition may be graciva; Water Observations Z L O fl Project: Project No.: Slurry Wall Design 2006-201 E C J a C J U -C C: 0. % Passing #20U Unconfined Strength (psf) USCS/AASHTO d4thr LY1f0S? Ilarai lvAittXa<''1.:1*`«dw''.• , "Ott:` Initial WL: 8' WL: 8' Wate- Checked. 0/16/06 T.R.T. Born° Started: 1-W6/2006 By: Boring Complete '0/16/2006 Logged By: Two Rivers Testing, Inc. Approved TM TMC LOG OF TEST BORE - 1 (Log 2 of 3 • Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE SILTY SAND WITH GRAVEL y a 26 2 28 29 31 32 33 34 35 36 37 38 39 40 41 SANDY SILTY CLAY 42 43 CLAYSTONE (WEATHERED- BROWN/RUST) CLAYSTONE-(GREY) 44 45 46 47 48 SILTSTONE (GREY) 49 50 y a T C.) Fa f Project: Project No.: a) C O o Slurry Wall Design 2006-201 111 30 3.47 The stratification lines represent the approximate boindary lines between soil and rock :ypes lnsitu, the transition may be gradua Water Observations Initial WL: 8 WL: 8 Water Checked: 10i16/06 T.R.T. Two Rivers Testing. Inc. Boring Started: co y 3 GP 10/16/2006 Boring Complete 10/16/2006 _oggec By TM Approved By T (vt LOG OF TEST BORE - 1 (Log 3 of 3) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description r a y C Sample Type H E-1) C J Project: Project No.: v 15, U s Slurry Wall Design 2006-201 SILTSTONE (GREY) a D a J 1 C a 0 v, 0 51 �i 1•T�.�3r Y:�,,w �>...:.iy _ .',q.y ,r'naA•`,�11>'�-tiz ��r4 <i.; �.�,�ia� �y✓La /�,.fZ f% �`�y.� � �c- R ` '' { 119 52 53 54 55 56 57 58 59 60 61 62 63 64 55 66 67 68 69 70 71 72 73 74 75 Unconfined Strength (psf) C. tri a USCS/AASHTQ 74 104 The stratification lines represent the approxirma?e bo.:nc1ary lines between soil and rock types Water Observations Initial VVL: 8' WL 8' Water Checked 10/16/06 1 T.R.T. Two Rivers Testing. Inc. Insitu, the transition may be gradual Boring Started 10116/2006 Boring Complete 10/' 6/2006 Logged By: TM Approved By. TMC LOG OF TEST BORE - 2 (Log 1 of 4 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a O SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER V SILTY SAND WITH COBBLE 1 2 3 4 5 6 7 8 9 0 12 3 14 15 16 17 18 19 20 21 22 23 24 25 VIVO '::: . '::• .. .. ■ . : ::: IS.. .. . . • 115 ■ . ■ . •.••: ■ ■ .. . :• :•: . . a .... ,... :::• . ... . ' ::' •••• . . ■ . .n• . : ::.• I ▪ ...• 4"' •••l% . S... I� •.� .. . r.. ... ■ •••• •\ . .• ■ . ... ■ ■ ■ . ■ •ir. • .•i • ■ . ■ ■ •■.. .. .. ■ ■ i.i i• • • .. •. .•iii • ■ ••.• . . . ■ . ■ . ■ •••' ■i.. c) a H a) a co ✓% Water Conten C Dry Density (p E_ J C - % Passing #200 Unconfined tO a L C) C a: he stratification lines represent the approximate boundary lines between so:l and pock types Insitu. the transition may be gradual. Water Observations Initiaa WL. WL: 9' Water Checked 0'i 16106 T.R.T. [Bor'ng Started Boring Complete bogged By Two Rivers Testing. Inc. Approved BV: a 3 (f) USCS(AASH i 10!16,2006 /0/1612006 TM TMC Water Observations LOG OF TEST BORE - 2 (Log 2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a Sample Type SILTY SAND WITH COBBLE SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE U a E D 5 C. Plastic Index % Passing #200 -a a c C U C tn a C) USCS/AASH ro The stra:Ifscation lines represent the approximate bounCary lines between Sc!nd rock types. Insitu, the transition may be gradual. Initial WL. 9' WE; 9' Water Checked. 10/16/06 T.R.T. Two Rivers Testing Inc Boring Started: 10/16/2006 Boring Complete 10/16/2006 Logged By T `I Approved By TMC LOG OF TEST BORE - 2 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Project: Slurry Wall Design Sec 4 Township 5 North Range 65 West Description 1) 0 a C/) '47 Z O aS Cfl Project No.: Water Content c U a >- .N y 0 r 2006-201 z Q J • •R SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 The stratificatior Fnes represent the approxi Water Observations Initial WL: 9' WL: 9' Water Checked: 10/16/06 0 0 0 a 0 J 5 i c a C) O I— (75 Q� Q a re sitS e*WIi TgireeStil44.T eeD0I A0%-i'Sf 1PPkW) lkk+ « n Nei't4.-7r 1S�it_YINR'(2R' 't h)4..f.N1i"t k'i'p,""er•AS01.11 gtf��.NJf i itr14.) ate boundary lines between soil and rock types. Insitu, the transition may be gradual Boring Started 10/16/2006 T.R.T. Boring Complete 10/16/2006 Loggea By. Two Rivers Testing Inc. pproved By: TmC LOG OF TEST BORE - 2 (Log 4 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description 1 , Depth (ft.) Sample Type SPT• N (BLOWS/FT) Water Content (%) Dry Density (pcf) Liquid Limit X r 0 VS ez 0 % Passing #200 Unconfined Strength (psf) Swell (psf) USCSIAASHTO •r^ . 'toad' otut ifP!vYaW.MRe•.Y, °6uFtc+t�n:-l.•ia ram70+• ScCtlireagf.iayattrOc, 4.7 SILTY SAND & GRAVEL WITH 76 dada COBBLE k a 77 p 18 79 80 81 83 ;a -a-• aJaaaaaJ aaas aaa 'aaaaaaaa Ja��iiaJ��a ,a;�,.i�aaVJi aaaa,Aa - aaaaaJaa aaaa e a aqa :f _aDaaa aa . "aage_,� Jaaaaaaa JaDJDaJ :aiteze JaaaJaaa a?a; :aa SANDY SILTY CLAY 84 85 • SILTSTONE (GREY) 1 `✓ 86 82 87 k 88 -- I I 125 89 1 I I ; I I (o 90 91 92 93 94 95 96 97 - 98 99 100 The stratification lines represent the approximate boundary lines between soil and rock types Insitu, the Vansition may be gradual Water Observations Boring Started 10;16/2006 Initial WL. 9' T.R.T. Boring Complete 10/16/2005 WL: 9'Logged By TM Water Checked: 10/16/06 _ Two Rivers Testing. Inc. Approved By: TMC "MSS _ LOG OF TEST BORE - 3 (Log 1 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description IS . J SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER 0 o. C) C 0 2 3 4 5 6 7 8 9 10 11 13 i4 15 16 17 18 19 20 21 22 23 24 25 ne stratification lines represent tie Water Observations a� C C U d cv 3 X C) TJ C U m a c a CE r c U (%) O F- U) 40111e:41-: rIWThnLVISPeOfiielgt*MVPIALAntainirallOireati4C0104:;IPCItatat0)4fikeleatiSAinh44S412410:4450400iiknISOM4K. aepraximate boundary lines between soI! anc rock tvoes Insitu. the transition may be gradual. InWal WL: 9' W L. 9' Water Checked: I 10i17/06 T.R.T. Two Rivers Testing. Inc. Boring Started: Boring Complete 10!17/2006 10/17/2006 Loggec By T M Approved By. TVC F LOG OF TEST BORE - 3 (Log 2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a C) O a co a C/; BLOWS/F T 0 U a O C a Zr: C; 0 a- c J t 5 0 Plastic Index SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE Cl; c C c U Q; )77 cn a -e? Vhtsctis"+± ?Wan ab '4FRF The stratif.cat:on lines represent the approximate boundary lines between soil and rock types Insitu, the transition may oe graduai Water Observations Init�ai WL 9 WL: 9 Water Checked: 10/17/06 T.R.T. Two Rivers Testing, Inc. Boring Started 10/17i2005 Boring Complete 10/17/2005 Logged By. TM Approved By T r• V., t LOG OF TEST BORE - 3 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description APO ti f zo.'1 C a) 0 %A:Cat:VI lit SILTY SAND & GRAVEL 76 77 78 SILTSTONE WEATHERED- BROWN'RUST1 SILTSTONE (GREY1 79 80 81 32 83 84 85 86 87 88 39 90 9' 92 93 94 96 100 a y a E t0 R..• '€' i 3 s!t,mr-e • -J C x -c c U 7: Passing #200 Unconfined Strength (psi) USCS/AASF ITO 68� 224 stratification lines represent the approximate boundary lines between soil and rock types Insitu, the transition may be gradua Hater Observations Wn,itlal �tiLL •j g' : f g, .'.'ater Checked: 10/17/06 T.R.T. Boring Started - Boring Compie:e 10/17/2006 10;17/2006 Logged By. Two Rivers Testing, Inc. AoprOved By. TM TMC LOG OF TEST BORE - 4 (Log 1 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description Depth (ft ) Sample Type SPT-N (BLOWS/FT) Waler Content (%) Dry Density (pct) J 5 Q' x :, - - N CII r� "/n Passing #200 Unconfined Strength (psf) Swell (psi USCSMASH TO 2 3 4 6- 7 (� p 1C 11 12 13 14 15 16 17 18 19 20 21 22 23 24 -- 25 SILTY SAND WITH GRAVEL ==:::::gi :r::rir. _-r: _ _fir• s' =ti SILTY SAND N u;..".••< • n • r e•. i►i+'!` SILTY SAND & GRAVEL WITH ,°aa aa�aaa.a -a-aa°�°a -.- e•a :aa_ _°ai ,t aaa a � v •aaaJa as as COBBLE GROUNDWATER SILTY SAND ati• 0o?a aaaaaaaa --'�apaa aJaa a aa;V aaaa•a'�i -' _a?� a �aaa aa�a, a 0 ja ' - a :.: a.Ta a • i a �aaa O J��a11 SILTY SAND & GRAVEL WITH COBBLE The stratification lines represent the approximate boundary :Ines between soil and rock tyaes. Insitu, the transtion may be gradual. Water Observations IQ • • T • Two Rivers Testing Inc Boring Started: 10/17/2006 Initial WL: 11 Boring Complete: 10/17;2006 WL: 11' Logged By: TM •'P'ater Checked: 10/17/06 Approved By. TMC, SILTY SAND & GRAVEL WITH '.Hater Observations Initial WL T he stratification lines represent the approximate boundary lines between soil and rock types 11' WL 11' Hater Checked. 10/17/06 T.R.T. Two R:vers Testing Inc. COBBLE I SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE I SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE i e 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 4‘; 46 47 48 49 50 BS 't' f1i , c i Pik::.Shs`Feaai reif# 16 318 ASP Insitu. the transition may be gradual 10(1 T,2006 Boring Started: Boring Complete 10/17/2006 Logged By TM Approved By: TMC _ r.aeraw.! eOlf10rriell Water Observations LOG OF TEST BORE- 4 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Project: Slurry Wall Design Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description rst :ere; Win' SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH 55 COBBLE 56 57 SILTY SAND & GRAVEL SANDY SILTY CLAY SILTY SAND & GRAVEL SILTY SAND & GRAVEL WITH COBBLE a y E to C./) Dry Density (pct) E J J J co 0 0 N T C_ N N CD a Unconfined y YirlM'✓414,.!^':)4-`Sry'.',tt:iWat,".'4Y.M•ic:".M. •7:9."44iic .:i:.')i11 C J r r. USCS/AASHTO he stratification lines represent the approx .hate boundary lines between soi' and rock types. Insitu, the transition may be gradual. vas Ini;ial WL: '11' WL: 11 Water Checked: 10/17/06 T.x.T. Two Rivers Testing. Inc. Boring Started 10/1712006 Bong Complete 10/17/2006 Legged 8y: TM Approved By - MAC LOG OF TEST BORE - 4 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a v cn C Ct Water Content 9 SILTY SAND & GRAVEL WITH COBBLE SAND & GRAVEL SILTSTONE (WEATHERED- BROWN/RUST) SILTSTONE (GREY) 76 ,p 0_a vaa oa ea. 77 '1,S:1 aaaaaaa1 78 ene. 79 80 81 82 83 84 85 86 87 88 89 90 G^ 92 93 94 9 96 97 98 99 '.00 Plastic Index V0 Passing #200 Unconfined C a a 3 USCSiAASHTO 86 122 60 31-6' he stratification nnes represent the approximate boundary Ines between soli and rock types. Insitu, the transition may De gradua Water Observations Initial WL: 11' W L: 11 Water Checked. 0/17/06 T.R.T. Two Rivers Testing, Inc. Boring Started 10/17/2006 Boring Complete 0/17/2006 Logged By: TM Approved By _M„ Client: Site: LOG OF TEST BORE - 5 (Log 1 of 4) Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND WITH GRAVEL SILTY SAND SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER 0 SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 2 d V I i he stratification Project: Project No.: Slurry Wall Design 2006-201 C 0 O G I a x N C > U._ c -� 4t N ;` V 0) '0 a E Z c� y t y c c r kvtize/3A4:ixea,p!Ljet{Rs Z:H4v: fae,tY'Y p,mtrnti nn'it tantiv . lines represent the approximate boundary lines between soil and Water Observations I Initial WL:1 WL: Water Checked: 1 10!25/06 9 5 rock types. Insitu, the transition may be gradual. T.R.T. 14 Boring Started: 10/25/2006 Logged By TM proved B C h a U) Boring Complete' 10/25/2006 Two Rivers Testing Inc. By: :M C 0 SP LOG OF TEST BORE - 5 (Log 2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description t SILTY SAND & GRAVEL WITH 7.0BBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE The a) O s C U Project: Project No.: >, vs a) C O Slurry Wall Design 2006-201 E J O O• J TA to c "0 a c O D C N a co 26 an'ata,=:hoot. h.e4oes nrdA 6N-oAst%su7:fa' strauiicat'on lines represent the approximate boundary lines between Water Observations Initial WL: 9' WL: 9' Water Checked: 10/25/06 socl and rock types. Insitu, the transition may be gradual. T.R.T. Two Rivers Testing, Inc. Boring Started: 10/25/2006 Boring Complete 1 0/25i2006 Logged By: TM Approved By: TMC LOG OF TEST BORE - 5 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description • r 410PN[ax+initF:varlY 'ilKlc-ii.l.`W".N¢{: SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY L 0 51 52 53 54 55 56 57 58 59 • 60 61 62 63 64 55 66 67 68 69 70 71 72 SILTY SANDY & GRAVEL WITH COBBLE 73 74 75 v Project: Project No.: C a) O C-; a) C • C Slurry Wall Design 2006-201 E J 6 Sh2nAirs tC lGPnas e,,.4s`!Qa!wlf.902= f/Il ltamlR'+ !-116.5 -:?.`i-.70 Vreeirr;r '•itr rr rX rr r•rr r• eert !iII' r Vetoer r eririrrL i!U- C .`��.-r se p sFr i ! r•rr ir ;;r• e Cr:ra !rr''tr -ien :s oiri ergeD Sr r l. . r..rr. r r.- . Crff. r� i : fl --re :.-c- I(1 grr O. ilye re •Pr• ! AirICA ir•e'r r4 inzanif reii oot r-- ig .`a a_4 fr• - Plastic Index c C C) O a) C 'Anti1•'.?��.s.rt'��.:�Ta r'EWE^�`.it+;aR�;-+Ss.,�-�:N,e7�i�6IIa3,t�vR;13{c;:}y+Fs Tne strat!f cation lines represent the approximate boundary lines between soil and rock types Water Observations Int,al VVL. 9 WL 9' Water Checked. 10/25/06 T.R.T. Two Rivers Testing, Inc. tnsitu, the transit or ray be gradual Boring Started T10/25/2006 Boring Complete. Logged By 10(25/2005 Approved By. TMC Client: Site: LOG OF TEST BORE - 5 (Log 4 of 4) Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description r- O a`fwary J'w1V.' SILTY SAND & GRAVEL WITH 76 COBBLE SILTSTONE (WEATHERED - BROWN) SILTSTONE (GREY) 1'7 78 79 80 81 82 83 84 85 86 88 89 90 93 94 95 96 97 98 100 U- U Project: Project No.: Slurry Wall Design 2006-201 E J C O C gt Q1 C_ N [1b--aar lra%---,"sn:.; rSi4s w:T'A'.r ;4 • W:7a'asessos.'vistrt.+iCM�--'e;. "..invrtrfa: o ictiv":}4.-"PT '4cA?!' 161:771.'Nfc'.',aMit Y!.:` , ?t.;Y?tAPVCW„3: V. 444Plite'1s ir" CaJ JJJaaai ara it pJJJaa�ot. p a ;J��'ttd�a' i1�i�;J� pPJJaaJ JO � paaJ" 278 71 r i 91 88 126 45 The stratification lines represen! Water Observations Initial V11L' WL I 9 Q Water Checked T.R.T. 10/25/06 Two Rivers Testing, Inc mistatear Boring Started 10/25/2006 i Boring Complete 10/25/2006 Logged By: TM Approved By: ?MC e Client: Site: LOG OF TEST BORE - 6 (Log 1 of 4) Dust & Dirt Excavating Project: Slurry Wall Design Sec 4 Township 5 North Range 65 West Description a O a Q) a E co ;n z Ll. t/; 0 J CO Project No.: r i3ti[` itirysi-k.r#,. ' YC.efi.y :cfi fFc, SLTY SAND WITH GRAVEL SILTY SAND SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY GROUNDWATER 7 SILTY SAND & GRAVEL WITH COBBLE SILTY SAND & GRAVEL i I SILTY SAND & GRAVEL WITH COBBLE Me stratification lines represent the Water Observations l a 2006-201 J C -J x C) J U) 0 a_ TD N O U U) a. C) +t.:zi'7r+ws nRtOn:+:�aain*5hes, Alts?+ itio ii' e4!s` ,'`slM imiAs ttot1R ", :7rnsYY. Ye$+°rtrat .14.-.'.rAhetew.e tClicarapai fats ..`) approximate boundary lines between soil and rock types. Insitu, the transition may be gradual. Initial WL 15' WL 15' Water Checked: 10/24/06 T.R.T. Two Rivers Testing, Inc Boring Started: 10/24/2006 Bonng Complete 10/2412006 Logged By: Approved By: TM TMC I q r I LOG OF TEST BORE - 6 (Log 2 of 4) s Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description Depth (ft ) Sample Type SPT-N (BL OWS/FT) Water Content (ro) Dry Density (pc() Liquid Limit Plastic Index % Passing #200 Unconfined Strength (psf) Swell (psf) USCS/AASHTO 26 27 28 29 30 31 32 33 34 35 36 37 38 ai .p.- i g* `T 4bee 1,24.6 temsitostairs.i 4-sc---f 9tiiitas._tkAM1f-•1ti.t:3`isate rf: ?Vf�wiP'm^1Y.'RTR [f tokw*** SILTY SAND & GRAVEL WITH a a _aa3,, -7 .- . iiaia ' Ja _: J a J -J-. :. i;�da - ,�iaO1 Aa - ai J . a • i aJ -a JJ • •iaii a°a J •• _a : jai• ia�a JJ.' - '•t iJa a�iaaa : as 3 J, -'a- JJ- . J -'J yM COBBLE y€ 0 y =- : 1Y}1 -W.tti :::::::•:::-R: ~` SILTY SAND & GRAVEL SILTY SAND & GRAVEL WITH 39 40 y 1 42 43 44 45 46 47 8 49r 50 , ? r- �r ~ `'e !ire-.�r OA - 441,4 :err -•I *A- ;,,, r r • e ....4:74 .-.• .5i. t .'` r' -r iter e t wir r r eeorir :vex Tip-:„.„ virre,... COBBLE S 1 L s* I-1 stratification I 7s represent the approximate boundary lines between soil and rock types. Insitu, the transition may be gradual. Water Observations Two Rivers T. Inc. Boring Started 10/24/2006 tial \N`. 5 .k. Testing. Boring Complete. 10/24/2006 AIL:i 5` Logged By TM Water Checked- 0!24/06 ,Approved By: TMC LOG OF TEST BORE - 6 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description 470w., -1:05:4:10tea-131404t1M4.140,attis,S0TVC. SILTY SAND & GRAVEL WITH COBBLE SILTY SAND & GRAVEL SANDY SILTY CLAY SILTY SAND & GRAVEL WITH 0 52 53 54 JJ 56 58 59 60 COBBLE 61 62 63 64 65 66 67 SILTY SAND 68 69 SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH 70 72 COBBLE 73 74 75 U 17) T C O The stra:tfication lines represent the approximate boundary ! nes between soli and rock types Water Observations initial WL 15 WL: Water Checked: 15 10/24/06 T.R.T. C C CN Cr: v Ct a ,1 I,nsitu, the transi:ion may be graCha! IBoring Started. Boring Complete Logged By: Two Rivers Testing. Inc. oproved By 10/24/2006 10/24/20006 TM TMC 'J J LOG OF TEST BORE - 6 (Log 4 of 4) 0lient: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a. C y a T al a CA . rtirwai'.4f SILTY SAND & GRAVEL WITH COBBLE C SILTSTONE WEATHERED- BROWN/RUST SILTSTONE GREY i i 76 77 78 79 80 81 882 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 99 100 C O U 4) 'l. C J Plastic Index V0 Passing #200 Unconfined ? iIWP'OW"'.App*,474. isaF`tt';?'-':N.1 -11.Y--;�?.`S� iIV41t Aiern4VAA - Bc BS 201 88 I 74 89 63 The stratification lines represent the approximate bounoar;• lines Water Observations Initial WL: 15' .�'JL 15' l _ Water Checked. 10/24/06 between soil and rock types Insitu, the transition may be gradua; T.R.T. Twc Rivers Testing Inc. Boring Started: 10/24/2006 Boring Complete 10/24/2006 Logged By: pproved By TM TMC LOG OF TEST BORE - 7 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Slurry Wall Design Project No.: 2006-201 Description a a) O a) Q. T 0 E co Pr) Z3 0 Water Content N ^J u a- Plastic Index Passing #200 Unconfined C a J4 ce a 3 VJ D ..fir, miallthrt SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY 1 2 3 4 5 6 7 9 12 13 14 SILTY SAND & GRAVEL WITH COBBLE Groundwater 0 15 17 21 22 23 24 25 a a a i i a 0 a J 0 a r � 1 , i t The stratification lines represent the approximate boundary lines between soil and rock types. Insitu, the transition may be gradual. L Vilater Observations Boring Started 10724/2006 initial 1JVL: 17 T R T Boring Complete: 1O24/2006 VNL 17' • • • Logged By TM .'Date' Checked 10/24/06 Two Rivers Testing, Inc. Approved By: TMC .{ . :....„,.-u .... Pee N r- (1.W r > OF D FOF r« .- n' N w CO -< o co -I Z -1 CO --t CD CD Ci S Q; M D cn m a) -< Dm> " c� r 0 n Z —1 F z F z z O , .. 00 0 CD a CDo90 -< -,j J 4� Vi O Qo t— O O n cp 0 w a _ r r- O O ,v ; O; u' D � D D D D '>� Po Po N (ti m m m III O -I 1O CO ct) ow n O1 a a r. a a a a n a a w w c.: w w w w c,) w w N N N N Depth (ft.) o = rzt X O co CO V O) 0) A c.) NJ O cD 00 V C)) Cl) A W N -� O cD Co V O) ,4 r . •Y '4 V 4'4 i L 4' •4 L �4' ', y� . • • /' . • :'di P•h'i i ✓•'�' Y.Y: i •`.'y'•h'.','•h4 :M•V, • r .� f`'V`0 leitottet O 4 i, d 4 L L 4 O •:� y,, �y �rr� •�,1�1� ' '�� 1�,,� •}M.:'••ti{':,::�:•:� f''r�;,a'ra'::,:'r::•ati fr,V O4O L 4 4 /. L.'�'11i . �S r '1�Si' -1 • ;.•� �': .'• , S • r - Q %Pc OP to 4 p y4 4 4 4 4 L O t. ., L O {, �, 4 �'7 ■ 'i '''':':' i':':' :'i :':'i i :':4': '•'':'i':' .(e O O v 4 0 4 6 4, V Y (p 4i'4`4 {.i4 �t f. 4 .............. •• '�ck. L {�{�'[�f {�{� . 7. ._ i�, ::��'.•, ;{ ,: (iii 4 cm v Sample Type Cr)O •r, at m Ny * SPT-N a) rn (�t_owsil T) � ' �sti ti ', Water Content o o CO v, o_ (%) C' 0' 0 -I Pd w n n 70 w o m CD A- Dry Density (pcf) c n (0 J N Liquid Limit rn -c, 0 E-7 i CQ o N () n) Plastic: Index O > w w O - �. O O ) =. -, up CD 0 O n % Passtrty #200 Co. 0 a -, .4'(c -,F135 a , `` a a x Unconfined 0—• a to c Strength (psf) cu c2 c) n Ni N 41 Ja Swell (psi) rV N O O SI n t USCS/AASHTO „ Aii LOG OF TEST BORE - 7 (Log 3 of 4 Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description a C) 0 a >. v a E Ct Water Conte Plastic Index % Passing #200 7, a) c 0 0 D Strength (psi) c 1 0 USCS/AASH TO SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH 51 52 53 54 55 56 57 58 59 COBBLE 60 61 52 SANDY SILTY CLAY SILTY SAND & GRAVEL WITH 63 64 65 66 67 COBBLE 68 69 70 a vice ,e*Ja�a� 7, aaaaaaaa aa�iaa°a aa°1aaa 72 a0a?a?a a a i J '�J aaaaa aaaa' 73ay Wie 74 aa'a 75 °aia7 AaMe aaaaaaa The s:r;; ration lines represent the approximate boundary lines between soil and rock types. Insitu, the transition may be gradual Water Observations Initial WL: 'A'L. I _ 17' 17' Water Checked: 10/24/06 T.R.T. IA Boring Started Logged By: Two Rivers Testing, Inc. pproved By: Boring Complete 10/24/2006 13/24;2006 TM TMC LOG OF TEST BORE - 7 (Log 4 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description I r _ SILTSTONE/CLAYSTONE (WEATHERED -BROWN) SILTSTONE/CLAYSTONE (GREY) L a U 0 76 77 ,8 9 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96- 97 98 99 100 a H a) Q c�v 4 T eTh I- C7 J X U C a - % Passing #200 Unconfined a USCS/AASI-HTO `jai,-;4F+razz e5Q•• Rry :i'i )" 63 BS 18.0 33 16 36 9 CLlA-6 104 —he stratification lines represent :he approximate boundary vines Detween Water Observations soil and rock types. Insitu, the transition ray be gradual. Initial 'J1/L: 17' VVL: 17' Water Checked: [ 10/24/06 T.R.T. Two Rivers Testing Inc. Boring Started: 10/24/2006 Boring Como:ete 10/24/2006 Logged By. TM Approved By TMC .! I 1 = i I I I I I 1 I I I I I I 1 1 I I I 1 1 I I I i I IThe s!ratif:cation Ines represent the approximate boundary lines between so!. and rock types Insitu, the trans -Lon may be gradual Water Observations Bor:ng Started: 10/23/205 Initial WL: 13' porno Complete. 10/23/2005 WL: .R.T. 13' Logged By . TM Water Checked. 10/23/06 Two Rivers Testing. Inc. Approved By. TM' Client: Site: Dust & Dirt Excavating Description SILTY SAND & GRAVEL WITH OBBLE SANDY SILTY CLAY i i i I I R k 26 27 28 29 30 31 32 33 3.4 35 SILTY SAND & GRAVEL WITH COBBLE 36 FISANDY SILTY CLAY 37 38 39 40 41 42 3 44 45 45 47 48 49 50 LOG OF TEST BORE - 8 (Log 2 of 4) SANDY SILTY CLAY s._ati`icatiDn lines_ecresent the approximate boundary lines between Hater Observations ..'2.ter Checked I 10/23/06 Boring Started: T.R.T. Two Rivers Testing. Inc. Slurry Wall Design 2006-201 10/23/2006 Boring Complete 10/23/2006 Logged By TM Approved By TMC i LOG OF TEST BORE- 8 (Log 3 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description L a G1 C 'J a T C.) 2 C CU Water Con U T Q) C C lastic Index % Passing #200 Unconfined Strength (psi) C u: USCS/AASt- SILTY SAND & GRAVEL WITH COBBLE 51 52 1 53 C I ILTY SAND & GRAVEL SANDY SILTY CLAY SILTY SAND SILTY SAND & GRAVEL WITH :OBBLE I ESANDY SILTY CLAY SILTY SAND & GRAVEL WITH ;COBBLE 54 55 56 57 58 59 60 61 52 63 64 :AFL*&e .t.at; , , , BS . 31 0 , 39 21 ; 97 20 CL/A 5 w'.:.3"i w �i 1 , r:,> s:ra:ifi:aeon lines represent the approximate boundary lines between soil and rock types. lnsitu, the transition may be gradual. Water Observations initial WL WL 13' Water Checked I .0 21106 T.R.T. Two Rivers Testing, Inc. Boring Started. 10/23/2006 Boring Complete 10/23/2006 togged By TM .ocroved By -MC II I - ""' • "y al tcu Initial WL rT.R.T. I VILJ.GUiLJ 13' Bonny Complete ' WL Or23r2o06 13' Logged By: TM Water Checked I 10/23/05 Two Rivers Testing Inc. Approved By P C LOG OF TEST BORE - 9 (Log 1 of 4 Client: Site: Dust & Dirt Excavating Project: Sec 4 Township 5 North Range 65 West Project No.: Description ;144,04.1- SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE SILTY SAND SANDY SILTY CLAY "2 13 14 SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE The stratification lines reo-ese-t the approximate boon Water Observations initial WL 5' VVL. 15' f Water Checked: 10/24/06 Z C LL J Slurry Wall Design 2006-201 E J 0 J Plastic Index % Passing #200 Unconfined m C') USCS/AASHTO ry lines between so:; and rock types Insitu. the transition may be gradual T.R.T. Two Rivers Testing. Inc Boring Staled: 10; 24; 2306 Boring Complete 10/24/2006 Logged By: TM Aoprovec By. TMC LOG OF TEST BORE - 9 (Log 2 of 4) Client: Site: Dust & Dirt Excavating Project: Slurry Wall Design Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description a N 0 icaEfreVist-t.-r• t -4 --*--h% %%4 : I _ SILTY SAND/& GRAVEL WITH COBBLE V i SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE Sample T ype cc z L O co J Immo X G3 en Co p 142.9 .. ma..st '%t1` eAc.s►1'*. - .. . . asom 15 `:ty^ i3.ttl ei- ne stratification lines represent the approximate boundary !Ines Water Observations ,itial WL: 9 �'l L 9' lister Checked: 10/16/06 0 0 CN qzt v, :9 34 Unconfined JS a C be:wee1 soil and rock types Insitu, the transition may be gradual. T.R.T. Two Rivers Testing, Inc. Boring Started: Boring OompJete: L.oggea By: Approved By: 10/16/2006 10/1512006 TM TMC USCS/AASH 1O LOG OF TEST BORE - 9 (Log 3 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description v— - o c; V` ,z - Cl, Z Q- com y _ U — r 3°. T4 C a; >' 0 _ _ _ x _ 0 'n -� c_ yX v N <n o c 0. W•e = c 5 v a: c Dc > 3 s F-2 _ U : - - ... ....•. Kt jtrt•.r.-•?1•: •;4-iv'tiii•a;°Hf R' r . o .. >"'P++ ..9e'na . _ - 1.4:, - .. - SILTY 51 SAND & GRAVEL WITH COBBLE a 52 53 54 55 56 57 .av -.-. i - J- : :t -Ji a a a - -.aaJa :a'LiaJ � as as -a aJa as Ja�Ja ; 58 SANDY SILTY CLAY 59 : .=: SILTY SAND & GRAVEL ;;y ;2•{ 60 61 52 • 53 64 .ti :Y:; ::%).:::3•1 :r :e SO xf.:'. • off •'• $:1; fWat ��r SILTY SANDY CLAY 56 67 SILTY SAND : 68I SILTY SAND & GRAVEL WITH 69 COBBLE 70 -a.a0a 71 - 72 : 73 a i. . ai a�aJ aaa a ad'°' a v%aJa �aaajaa aja�aJaj r SILTY SAND & GRAVEL 74 �,.: iiaJ " SILTY 75 '= SAND & GRAVEL WITH COBBLE F rc d •�•` ne non ones represent the approximate PSCIIiarincr boundary :Ines netween so.; and rock 7v •es insitu the transition may e ay be g, ad ;a'i cater cioservations Boring Stared: '.0/2412006 nitia! WL. 15' Boring Complete: r'JL. 10/24/2006 15'T.R.T. ogged By: TM 'r.'ter Checked:10/24/06 4��.� .,�.�Approved Two Rivers Testing Inc By: TMC V k f5 a®allirilfimn �nm�rramrsmrsaurr�a�re+sameau� •GLUl-.�CI V CILIUI IS Bonng Started: lnit;al WL 10/23/2006 13' T R T Boring Complete. VVL I 10/23/2006 13' Loggea By TM Water Checker• 1,3,23/06 Two Rivers Testing, Inc. Approved By: TrvMC .gam LOG OF TEST BORE - 10 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description • C Q) C 0 a T V E :f Project: Project No.: C C O V a. n 0 an Slurry Wall Design 2006-201 i R]M1PgQi EY+d-`r vi, s✓ -+..._a. g. .t:rb 1 SILTY SAND WITH GRAVEL Groundwater V SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE SILTY SAND SILTY SAND & GRAVEL WITH COBBLE Water Observations Initial WL. WI . Water Checked: Tne s.ratificat!on lines represent J 0 J Plastic Index C) C C 0 C C D C a c aMr$�11F i. 7it= 1-V:Thi tc.:m:4. .v.'y".`".u..k;rE `0:^r«.17..st-nitro IN.e.7r:+M1q .c ,i:refimbct.-. the approximate bour.riary lines between soil and rock types. Insitu the transition may 10/25/06 8.5' 8.5' T.R.T. Two Rivers Testing Inc. be gradua Boring Started' 0/25/2C06 Boring Ccmplete 13/25/2006 Logged By TM ADoroved By T M10 4 •• t•,• ••4• �..• . • �• •• • •.• • • . i S5,NA4rs�,iINetii�j7•.49r '^} 1'�7'iy,i'4rr •N+'Lisgps• •smi qi �.••h} 4 chi. 4 4 ov44 Y44°4 40 °44Y r ■ Ir4� '1•�•r •r,YI S ryj l4.4. 444 7.! 7 . �r� R •■� .. Nti •47i'.:: :.•: •:.•:: • "it440 44t meet, pt ifrim w t�0 4 ..../.44,4:0,,,,,,, '•'r ' ■,•0�4`. •r .r� 1;Z; ;!'4• . �'•'� �Y� (� 4 fr"-(• (i [4 l•°O l t Y� 4 � ��91 `S^S.9 !issjj�: iv} Al ��4�,t�4fi,�►, ,gab r mo : S7"4"'j 4 �4�i':.:'.:: :. ':::. °v°y°Y4o 4°afo 4° tY44404OO4YY44YOd04o�t� 4Yvp4�44YYo (t44OotY4 4 '�( I '41' A. S 4 '4,T •• l 4-3.....*::::::::...... • • • • • • • • • • • • •• °p4 t, 4 4 O t 4 p O iv4 t 4 Y ��Y V 4 4 ° reli�p�pir�-,( tst 44 44i�4°°44 S. `4�. .: ia4 .. 4. S. r ni w. '�r . �:::::: : ::. • "so tttoo& 41444444404 {•ti n t. 4 4 to V to 04 to to 44°444-4—Yb—t li°O G O Y w 4 t i I.• • • • — Two Rivers Testing, Inc. Initial 1NL 8.5 Boring Complete 10/25/2006 By: TN;ter ri8.5Logged Checked 10/25/060 Approved By -MC LOG OF TEST BORE - 10 (Log 3 of 4) Client: Dust & Dirt Excavating Site: Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description i Si_ I r SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SI_TY SAND 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 Z CD 0. Ct r - C r' :o T U) C J j 'lastic Index % Passing #200 Unconfined Strength (psf) The stratification lines represent he aoaroximate bouneary lines between soli and rock types. Ins to the transit, on may be gradual Water Observations USCS/AASHT Initial IA/L 8.5 'AIL 8.5 Water 'necked: I 10.25/06 T.R.T. Two Rivers Testing, Inc. Boring Started: 10/25/2006 Boring Complete: 10/25/2006 Logged By: TM Approved By: TMC LOG OF TEST BORE - 10 (Loa 4 of 4 Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description '. Depth (ft ) 1 Sample Type p 0 z� IL u) cc) Water Content (%) Dry Density (pct) Liquid Limit Plastic Index Passing #200 (jsd) U16uaj1S pawluooun Swell (psf) USCS/AASHTO y.,.Q.o-ic.-,..z..e,in..�.u,....z a...Lx..~a.,.<..r 1 LISP— "-� .. - .. --- _- -- A a - SILTY SAND 76 77 78 79 80 - 81 SILTSTONE (WEATHERED- BROWN/RUST) 82 83 84 SILTSTONE (GREY1 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 The stratification lines represent the approxirr Water Observations Initial WL: WL: 8.5' 8.5' Water Checked: 10/25/06 141 62 92 75 100 56 late bouncary :roes between sal! anc rock types_ Insitu. the transit -o- may be Gradual Boring Started: 10/25/2006 T.R.T. Boring Complete. 10/25/2006 Two Rivers Testing, Inc. Logged By: Approved By. TM TMc Client: Site: Description [SILTY SAND 4 SILTY SAND & GRAVEL WITH COBBLE a 0 SILTY SAND WITH GRAVEL 0 2 3 4 5 6 7 8 9 10 GROUNDWATER 7 11 12 GRAVEL WITH COBBLE 3 14 15 16 17 18 19 20 21 22 23 24 25 LOG OF TEST BORE - 11 (Log I of 4) r Project: Slurry Wall Design Project No.: The stratification lines represent :le approximate boundary !:nes between soi: and rock types. Insitu, the transition may be gradual. Water Observations 'nitial WL: .A . .VL. 11 `liter Checked: 10/16/06 T.R.T. Two Rivers Testing. Inc Boring Started: f i I 1 10/15/2006 Bonne Complete Approved By: TMC I Logged By: 10/16/2006 TM LOG OF TEST BORE - 11 (Log 2 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description GRAVEL WITH COBBLE t a C) r-, 26 27 28 29 30 31 32 33 34 35 35 SILTY SAND & GRAVEL WITH 37 COBBLE ISANDY SILTY CLAY SILTY SAND & GRAVEL 38 39 40 41 42 43 44 45 46 47 50 a N y a co Z FLO J � m 0 s6 a E J D 3 cr J C) 73 C U w 0 0 N 07) C N U, Ct C 73 d N .C V C7) C CO O T co V) tV. ' • • samoiA9fiai° .taga7#;epSr isstvi i tii4Sokirtl t#i Rd N 4tauct b.r-:0.. • • ••• •. U . • •: ee NIA MIN :.':: •ti'r: ::.%• i•}w , ■..� se. ••. •:: • • •. •sees • •••• •::. • •:: • • :::• • ;.IC;.•15 • e "e tra:i oa'on lines -eDrescn::he approximate boundary lines between soil and rock types. Insitu, the transition may be gradual. 'Nate- Observations Initial WL WL: 1'Nater ChecKed: 1' 11' T.R.T. Two Rivers Testing, Inc. IBoring Staled Boring Cornp!ete Logged By pvoved By 10/17/2006 LOG OF TEST BORE- 11 (Log 3 of 4 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Slurry Wall Design Project No.: 2006-201 { - Description Depth (ft.) Sample Type SP r•N (BLOWS/F1) Water Content (0/0) Dry Density (pet) Liquid Limit Plastic Index % Passing #200 Unconfined Strength (psf) ;well (psi) '.JCS/AASH rO �._i SiLTY SAND & GRAVEL I SANDY SILTY CLAY SILTY SAND c a fi SANDY SILTY CLAY a-,1,Yd-a`c-..-k• <j..Y�' ' )Y_.±C'•1?�:.'ii;.i.::�++. ?� •ar...:,tc"R??' .-. ITne stratification lines represent the approximate boundary lines oetween soi! and rock types insitu. tL:e :r3-st on Water Observations Initial WL: 11' WL 11' Water Cnecked: I 10/17/06 Waswasnacmannaiiftiainiaraspneview _ — sseitienst- T.R.T. Two Rivers Testing, Inc. nay oe gradua I a Boring Started 10/17/2006 Boring Complete. 10/17/2006 Logged By: TM Approved By: TM LOG OF TEST BORE - 11 (Log 4 of 4) f Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description L C a) r• a; T SILTY SAND SILTY SAND & GRAVEL WITH COBBLE I SILTSTONE/CLAYSTONE- (WEATHERED-BROWN/RUST) SILTSTONE/CLAYSTONE (GREY) I ;• stratification ;fines represent the approximate boundary lines between soil and rock types. Inst. the transition may be gradua: Water Observations 79 81 82 83 84 85 - 86 87 88 89 90 91 92 93 94 95 96 97 cg 99 ,n„ BS 0 L; a N N C U E_ J D a J .r�.srifvJeA"Y7 riE.`sstopoe40.4 r Plastic Index Passing #200 Unconfined N C) JSCS/AASH I/ 30 86.1 C L!A-6 80 106 1 r 60 1 140 7: Initial WL: 11' WL: 11' Water rnecked. 10/17/06 T.R.T. Two Rivers Testing, Inc. Boring Started Boring Complete: Logged By: Approved By: 10;172.006 I LOG OF TEST BORE - 12 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description a a) C a) a a) a SILTY SAND WITH GRAVEL CLAYEY SILTY SAND SILTY SAND SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER 0 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Z5 Q Project: Project No.: G 0 a T U O O Slurry Wall Design 2006-201 c 0• J Plastic Index % Passing #200 Unconfined to a C a) USCS/AASI i TO < . t .1^ • . i<� ,. _ .-C X33.1,��.1.4,114WW..?il'K' BS 3.1 L 0.57; GP The stratification lines represent the aoproximate bo..ica y !fines between soil and rock types insitu. the transition may be gradoa Water Observations Initial WL: 17' W L: 11 Water Checked: ! 10!16/06 T.R.T. Two Rivers Testing. Inc. Boring Started: 10/15/2005 Boring Complete 10/15/2006 Loggea By. TM Approved By: TM' LOG OF TEST BORE -12 (2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a a) a C V 2 E J Cr J SILTY SAND & GRAVEL WITH COBBLES .SILTY SAND WITH GRAVEL SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE cc - v: 3 U) C U cn - • i.<itt tzi",:v+N -,suitatairmaist,t .Y -'.-.c S4; -n4-.• ;AasAtisigel •''i . " 4-,-) $4,0,ostoi t•: strat:`cation lines represent the approximate boundary ,nes oetween soi' and rock types Insitu the transition may be gradual Water Observations Initial WL: 17' WL 17 Water Checked: 10/16.106 T.R.T. Two Rivers Testing, Inc. Boring Started: 10116/2006 Boring Complete. 10/16/2006 _ogged By TM Approved By. IMO LOG OF TEST BORE - 12 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description L a a) a SILTY SAND & GRAVEL WITH COBBLE 6 SILTY SAND SILTY SAND & GRAVEL WITH :COBBLE I S IL TS TO N EIC LAYS TONE WEATHERED) SILTSTONE GREY 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 73 74 75 2 T a - H U C C CJ !A Project: Slurry Wall Design Project No.: ;2006-201 C a) O J XT-"AfekWellifi~uVow Plastic Index % Passing #20 e -7e stratification lines represent the approximate boundary lines between soil and rock types. Insitu, the transition may be gradual. r Wate: Observat:ors In:ti al WL. 17 WL 17' Water Checkea 10116/O6 T.R.T. Two Rivers Testing. Inc. Boring Started: C Cl, a 3 0/16/20C6 Boring Complete 10/16/2006 Logged By: TM Aperoved By TMC I I a Client: Dust & Dirt Excavating LOG OF TEST BORE - 12 (Log 4 of 4) Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description C a H C) a co F -- L_ (75 O J 0 E J C - X C) v C U n (3 a n a a) 1 SILTSTONE (GREY) 76 77 78 79 80 81 82 83 84 85 86 87 89 90 C.? 93 94 95 96 97 98 99 1„3 t1 + :+' rallifef?!A=7 itif:ailatittigl,n_ L41410.11 71491,ke3 ?7S t:7 t 124 SCS/AASIITC fmrtremxr 91 1 stratification lines represent the approximate Water Observations Initial WL: 17' WL: 17' boundary tines between soil and rock types. Insitu, the transition may be gradual. T.R.T. Boring Started. '0/16/2006 Boring Complete: 10/16/2006 _ogged By. TM sieurassamnicaanmonaniaaApproved By TMC Water Cnecked: I 10/16/06 Two Rivers Testing. Inc. we SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER V 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 8 19 20 2 • LI 22 23 24 25 litAS m Cn A 5 J _l d a D w Ji 3 ”1,4 N: 3iAIC. 1 '5, 53C, tec!".1='a' y1J'.�i"*3kirMISt"7f 2� The stratification lines reoresenl the approximate boundary Ines between soil and rock types insitu, the transition may be gradual Water Observations Initial WL: 9' ‘./t_ 9' Water Checked - 10/1 7/06 T.K.T. Two Rivers Testing, Inc. Boring Started: 10/17/2006 Boring Complete 10/17/2006 Logged By: TM Approved By TMC Client: Dust & Dirt Excavating LOG OF TEST BORE - 13 (Log 2 of 4) Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 k TY SAND & GRAVEL WITH Description C) c a, a c co zs _O rra. 3D C C O U a ca ^ )ry Density (pci E D Cr J COBBLE I SANDY SILTY CLAY j SiLTY SAND & GRAVEL WITH COBBLE 26 :fr ,, ti e -r r are - 27 r-i r 94r- 28 w- �•r�r or q 11•r 30 05; r- Wrier 31 . � r irteia 32 id 29 33 :37 30 39 40 43 44 45 46 47 48 49 50 stra'i`.cation i r.es re—we5en: ire approximate boundary i:nes between soil and rock types. Insitu, the transition may be gradual - Water Observations initial WL: 9' W L : 9' Water Checked: 10/17/06 T.R.T. Two Rivers Testing, Inc Boring Complete 10/17/2006 10/17/2006 Client: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 51 52 53 54 55 56 57 58 59 50 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 Project No.: Slurry Wall Design 2006-201 Tie stratification lines represent the approximate boundary L ,es between soil and .ack tvoes. Ins: Water Observations initial 111./LI VVL 9' 9 Water Checked 10/17/06 T.R.T. Two Rivers Testing, Inc. U, the transition may be gradual. Boring Started Boring Complete Logged By: Approved By: 10/17/2006 10/17/2006 TMC I 0 Water Observations LOG OF TEST BORE - 13 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description L a C) 0 SILTY SAND & GRAVEL WITH 76 COBBLE SILTSTONE WEATHERED- ORANGE!RUST SILTSTONE (GREY) I I 77 78 79 80 81 82 83 84 8 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Sample type 104 0 a N v O F_ J a 0 J c a a C) 0-5 C v; a y SCS/AASH TO 161 83 92 , 5e t I _ , - 118 I I I , I I 96 ; ,_ 1 7 I 1 I I 58 , 1 , 1 I 1 The stratification lines represent he approximate boundary lines between soil and rock types. Insitu, :he transition may be gradual. SUS Initial V`/L: WI_ 9 :.titer Checked 10/17/06 T.R.T. Two Rivers Testing, Inc. Boring Staled: 10/17/2036 Boring Complete 10/17/2006 Logged By TM Approved By TMC SILTY SAND & GRAVEL SANDY SILTY CLAY SILTY SAND SILTY SAND & GRAVEL WITH COBBLE I 1 2 3 4 5 7 C3 12 18 19 20 21 22 23 24 25 The stratification lines represent the approximate boundary Water Observations Initial WL: _ WL: 40' 40' Water Checked I 10.23/06 Ines between soil and rock types. Insitu, the transition may be gradual. T.R.T. Two Rivers Testing. Inc Bonr.g Staled: 10/23/2006 Boring Complete 10/23/2006 Logged By TM Approved By: TMC Client: LOG OF TEST BORE - 14 (Log 2 of 5) Dust & Dirt Excavating !Project: Sec 4 Township 5 North Range 65 West Project No.: Description SILTY SAND & GRAVEL WITH :OBBLE SILTY SAND WITH GRAVEL GROUNDWATER V SILTY SAND & GRAVEL WITH COBBLE p I 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 Slurry Wall Design 2006-201 L- ~e stratificat:on lines represent the approximate boundary lines between soil and rock types. Insitu, the transition may be gradual. A/ater Observations 10/23/2006 Initial WL: WL: 40' 40' /later Checked I 10/23/06 T.R.T. Two Rivers Testing, Inc. Boring Started: I K Boring Complete. 10/23/2006 Logged By: TM Approved By TMC LOG OF TEST BORE - 14 (Log 3 of 5) (Client: Dust & Dirt Excavating Site: Sec 4 Township 5 North Range 65 West Description Y E. W Project: Project No.: Water Content Dry Density (pr Slurry Wall Design 2006-201 Plastic Index SILTY SAND & GRAVEL WITH COBBLE I }I SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 51 52 53 54 55 56 57 58 59 60 1 62 63 64 65 66 67 68 69 70 71 72 73 74 75 Unconfined )trength (psf) USCS/AASI I I 0 I The stratification lines represent the approximate boundary lines between Water Observations Initial WL. 40' WL 40' Water Checked: 10/23/06 soc 3nc rocK types Ins.tu, the transition ray be gradua T.R.T. Two Rivers Testing Ho Boring Started 0/23/2006 Boring Complete: 10/23/2006 Legge:: By: TM Approved By: TtVMC I Etiraitwsn-viantsonarbomeasemurstraweereiy SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE !SANDY SILTY CLAY 82 83 84 77 76 78 79 80 81 SILTY SAND�AVEL P i SILTY SAND & GRAVEL WITH COBBLE 85 85 87 88 89 90 91 92 93 94 95 96 97 98 rte` � 99' : epi;;Irr, i. u�. t he stratificat.or lines represent the approximate bcunCari',nes cetween so and ocfc types Insitu, the transition may be gradJai 'Water Observations (�rt�al WL: 40' 1C0 WL Water Checked. 40 10/23/06 T.R.T. Two Rivers Testing, Inc Boring Started 10/23/2006 LOG OF TEST BORE - 14 (Log 5 of 5) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description s a a) 0 a. I- a E ti) 0) Z 0 d Project: Project No.: SILTY SAND & GRAVEL WITH 101 COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY 102 103 104 105 106 107 108 109 110 '11 SILTY SAND & GRAVEL WITH COBBLE 112 a 114 115 116 117 118 120 121 122 123 124 125 Dry Density (pct) Slurry Wall Design 2006-201 E J Plastic: Index Passing #200 Strength (psf) U) D i �iio JV 6 to a he stratification lines represent Ire approximate boundary lines between soil and rock types lnsi`.u. t"e transition may be gradua Water Observations Initial WL 40' `'VL 40' Water Checked 10/23/06 T.R.T. Two Rivers Testing, Inc Boring Started. 10/23/2006 Boring Como:ete: 10/2312006 Logged By TM .Approved By: TMC LOG OF TEST BORE - 15 (Log 1 of 5) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description L_ a 0 a Q F'- _) a r Ct Project: Project No.: Water Content a N C J Slurry Wall Design 2006-201 C J a fri X Passing #200 SILTY SAND WITH GRAVEL SANDY SILTY CLAY SILTY SAND WITH GRAVEL 20 21 22 23 24 25 unconfined a L C) C) Cr; • ASS USCS/RASH T ;The strat:iication Ines represent the approximate bourdar,* Water Observations Initial WI; 35' VVL: 35' Water Checked 10/23/05 .nes between soil and rock types Insitu, the trans t,on may be gradual T.R.T. Two Rivers Testing, Inc. Boring Staled 10123/2306 Boring Compete. 10/23/2006 Logoed By- TM Approved By. TMC LOO OF TEST BORE - 15 (Log 2 of 5) Client: Dust & Dirt Excavating Project: 'Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description sv - ti O n ~ �, CI-Th :C f) zL. O M �, O C- 7 �. O G E J Q J x C . _N a 0 C V ro O c n L 5 C U N U? a a 4: U7 li )-- 05 f Co Co 26 27 28 29 30 31 32 33 34 36 37 39 40 41 42 43 44 45 46 48 l9 Ei.0 °e ,-+ y _ ♦ _• is 1�L�t `.- 1S94i SANDY SILTY CLAY : w:R9 •: '"�'-t_4:(Qaa.4 • : . �e� Ep D 1 E SILTY SAND WITH GRAVEL :r ••"::.*:i .3 •: ti r: :es • 3fc :y e.>4:2,.., ...%:,:".y.:: fte � `: • JJ. • {f rr= „ •• r r •V:::ri'' e rrrecr" r'• ran- 038 � ' ~n Si '',;r 5_ .r�r •„r i i C • SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER g E E0: I i g 4 3 sr- r • ��tt ;r'� 6v- e „neve peg; '� r em°. • sr r47 • l*.: r Air el r .t' ne stratification tines represent the approximate bojnea" :Ines between soil and rock types. Insitu, the transition may be gradual. .:ter Observations mas `i Two Rivers Tesnrg. Inc. Boring Started: 10/23/2006 nitlal WL: 35' Boring Complete. 10/23/2006 Logged By: TM A:�a?e' Checked - 10'23106 Approved By: TMC LOG OF TEST BORE - 15 (Log 3 of 5) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE a ti 0 a C) Project: Project No.: C C) C O U S :n C C,) C 0 Slurry Wall Design 2006-201 C_ J D 1.74 O Plastic Index % Passing #200 Unconfined C u! G co 0 H -- T U) I al•J teaCagasavir be stratification lines represent the approx mate boundary lines between soil and rock types insitu, the trarston may be y�d ua. Water Observations Initial WL: 35' WL. 35' Water Checked. 10/23/06 T.R.T. Two Rivers Testing, Inc. Boring Started. 10/23/2036 Boring Complete. 10/23/2006 ._ogged By TM Approved By T\no LOG OF TEST BORE - 15 (Log 4 of 5) Client: Dust & Dirt Excavating Project: Slurry Waft Design Site: Sec 4 Township S North Range 65 West Project No.: 2006-201 Description ,- r - >` 1-- av a C tv c) LL 1 >> z v 4 m cn_. C C J _� c v . to n C - �, x +)ti = U a cn (n a. o co a r_ C C D, cc; a v c n Vi Wesva ; ?ti:."� uiR' �l' - '- .. .9'.''�.' �'• 4°,,s1 ?-.a Fr K%. t{e{f3` SILTY SAND & GRAVEL WITH 78 "•;:•€,-----t: r. xtinc tat:, COBBLE 77 78 79 80 81 82 83 84 85 8s I iJ p V • J• i. . 1 r b 7 88 ' . 39 SILTY SAND WITH GRAVEL {:' 90 • 91 92a•.:7 t;t. ^'•;g tifiv�`} e•X* �: 94 SANDY SILTY CLAY 95 SILTY SAND & GRAVEL WITH 'JJ• COBBLE 96 . C9'7 p .�ii-iJ 98 99 100 .i iii .• i�iaJa iJJJiJii • 1 rY 1 The stratification lines represent the approximate bounoa,n✓ Ines oetwsoil and rock Insitu, the tr9� types ansition may be Water gradual.een Observations Initial WL: 35' Boring Started: 10/23/2006 T35 WL .R.T. Boring Complete: 10/23/2006 �Wa-er Checked: I 10/23/06 d By: TM T�� Two Rivers Testing, Inc. ALpproved By: IMO f 240nfranii.M 1pf.1.1a2i 1• kClient: Site: I LOG OF TEST BORE -15 (Log 5 of 5 Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a C C J a T N C y ir` O J 3 a lastic Index 0 O N C N N f4 C) C C C D fait ? `4o1"+�tnaita4moraxiexg;iA3:. SILTY SAND & GRAVEL WITH 101 COBBLE 3 4 SILTSTONE (WEATHERED - BROWN LTSTONE (GREY) 102 103 104 107 108 109 110 111 .'2 113 114 115 116 117 118 119 120 121 122 123 124 125 f he stratification lines represent the approximate boundary lines between `1Vater Observations nitiai VVL:' i a a a 106 a i a a?. 76 122 I 1 1 I , 107 I 1 1 1 --_, I 1 I I I ______, 137 -' I I I I I 1 I ktiVL .Vater Checked 35' 35' 10/23/06 soy: and rook types :nsitu the transition may be gradua T.R.T. Two Rivers Testing, Inc Boring Started 1C/23/2006 I Boring Complete 10/23/2006 Loggec By: TM Approved By: TMC • _, ., ? t.' • c. • ' ': �3✓• r ss•• '( +. "1.11• e M4' "ti r'i..- r . '&' `r� "S•, itcqA ?J; CL'y�Y' r ib ^I'P , 1,•iCets-• r• . F•�ti� *wi..' "L 'i (`.. 1',' l _4-4,7,,," 4-4, .t ' li•: r'• Iv,. C �. tt ti>„ .•t TYt t� ? Yrr Q 'r; r]y• • tt,S(bii�f�r 1 W�tr r Jar :C:x it es;0' V. ft, �it .✓C� .may„ I..YS.r' G.. ;. C c . ,_ rI• r =ry�•p +. t�/ti.'•�M1K"♦tI r {. ��'r a"'rp'.. ^�'.:i• ;l+I• rr �� I { r Y M ,1• 1 p j. rp r'II qN •.- ,.�:V.\ .�S'ry: ♦ tut <ipin+. y �.•I., '2.11 r • ••••;v:,•-T,t.t ILK 'Z• 1+•y. A • I • •r 1< 3,. ,�j pi r•: -.e )} rGi �. �• '(M 3 t+•i1St 1' .i r fr. l• .,, "`a '`O fj tJ•' p'•=7 1 r r tl Kpi!'if , t.• •r ,�J . •A '.+• rT Inc �/< -, -t •'�?; - `,•J i r4 i_ lk"'14� 3�t 5 a Al :.. ti p. < 4� Y ..iY J. . • 4171'.;/*t .cc• -y 0--'••1rh il:r ,r P.,.;.k-t,.7'3t 4-,z.• Si`�.f;•ri%i SS f 6 1'� . \.iA a r t• .f� t r l.. I^ r 2•'',4,_•,_,..-•,,, G ••:7`41...•( y ` r .P.-,, S,..„ .+r� f : 1 7•' •-•44:?‘‘ • T = I„7":: iu a, i•:� ✓- „v., 4 r • <, .r. •.' J ,AC.,.•,,:c1 .P • wi•� . )mat n • S 1 ? : :►. r,,. .1`,, LYi V{ ,• le,: e `fir 1_r %;:" • •••-t . '.1 �•.<,. ‘..,.••;:4.37... .F.`3 1 •!--- 111Q�. !•�1:: •V -r•-• • w t':r T,,�.� • ;• _,r t.p. 2 fv; •J1�`7•f .(b 2-.'•r 1,r• ••'i.'.• ,-•+r=1, •1=S %.. i�...'1i l -C"!1• • ! :4-1L• Y'r• •Co r • , Sy is as- : • , • .NI "I: u ! r PE K,Cr!r II Liar; .. rti , •- 4 .rY .7rs Y Tr it !r•,, � ,N,� Sfyt ' •i i' a.^'\ III"'' ` 4L,1,:,2-0,....:7..• C•••••::-"•:::::_,.......1:. w �:}. 6FZ �rrG-rf��T.r:ryVi11„la{'pt�4"1G `V• t\�tJ Rt..; t I7,.:i` ' ::::ip:-j 74::;1-�s:. S q✓ a 5.yj .L n • .:-wA 4"..!.},,,..7, y v EC,,. - 4.. -ti '�V lt. •: ak• Y• ,h. J2} ra y:••;- tr;re•+.�1t n''I� �Qn � ran ',1 :C M".itu•( iS.4 ty' ?rit(�r..,l,c ij S� p r, ire t •j.- '- 7•K tai '�' �`'♦e c.iJ= .lY . 'Y:. j • t.l�r -, a �,e'f:4-fat rf1 }'�rt1 ? \l.•:, r�r l eli, '� v:1; Jyr J-�i. 5na . NDIX B ,. ( • t; /` ,�`Y_S 'I�+se.tt } rJ. MIL r •fi▪ b , ) . !flirrt',i Y.3k 1't•{}Jq y�131�. ,K\t•••r tr-•&`fi p, • ;i n • v;,:••• Tar '.`LA ,< [ •. t/r t ,r < ♦.ti J .... yrr - - e r '•M1l' "Y x 'J'. y1111, r y } : rt 4:;� rf -• v�•Q el., r• YLA': -▪ 5< +•. "i ' 1 4.af t•fi' ;'- /• ,I I S i..11 • 'Y •\p}•'A• rya a<I is l}tr.. �..N • L la ,H..v .•, S At• • SUMMARY OF TEST RESULTS = • 1"'•:Cii, (T+'J!()' Hr T•• r ,,:-- • f1'l� •}'1 N, 1 `� / � lr f . 'fir l.}ilY t k> . rig' 1 }s . •72•- ' y�` S •Iti-1'•r ati'c., {.; teS. t :‘'..:..-:,....'17.7:1`:::' r• t + +.- >i 2� it i- o�\y yL }�. Y ... _ . •r3•< I �- Al T 1• a t� •/rI •ri•i J� tY • T ( , - T• I l_ ya'• q r fl: ,•r ,y*'+t tr. t.; c • ,_• ^, "%• 1 r A { t 1• d - • t i to ,= Y 4 `pic- i t�- a' ;',• r t 1F '>: e •^ t. + ' r•, •5r,.t at 9f bhTt'r . t+� t .I, r s ... • r 1r A; ie,.•- �Jty, • *SA?'t Irt� '�y/:�.it✓{.a" t.*•( 1 .�Q I �}� \ .•r - 1 Y-Y^K'eq A i•t%':iti• ,ra`e 1 <i'-l. •tY r/ tr i=.t, a t . t \ } j' IlV ,4l ��•,{! ..,_•„/".. , t:;,..:,-,,.._i ./.s.;; - s v4 y t. t>I/ s: • •, Y,13itt41r'a ,. •t a ! H •>I r•ti,\gyp ,'- - { - t At'Er �. AI' it • . 44r. s y1G, .. I�dti.•'-•'!r'rV1-•1 • - % Client: Dust & Dirt Excavation Project Name: Slurry Wall Design Project No: 2006-201 SUMMARY OF TEST RESULTS Test Bore No Depth (ft) Moisture (%) Dry Density (pcf) Compressive Strength (psf) Swell Pressure (psf) Liquid Limit (%) P asticOty Index ( /°) °/o Passing No. 200 USCS AASHTO Classification Penetration (Blows/12 inches) 1 30 73 35 GP 1 49 111 1 51 119 1 52 74 1 54 104 2 85 68 2 86 82 2 87 60 2 88 125 2 89 76 3 75 6.3 39 GW 3 87 687 3 88 224 4 38 16.7 32 SP 4 85 86 4 86 122 4 87 , I 60 4 88.5 31-6" 5 3.5 0 9 1 5 SP 5 80 71 5 82 91 5 83 88 5 84 126 Test Bore No. Depth (ft) Moisture o (%) Dry Density (pcf) Compressive Strength (psf) Swell Pressure (psf) Liquid Limit o (/o) Plasticity o Index (%) 0/0 Passing No. 200 USCS AASHTO Classification Penetration (Blows/12 inches) 5 85 45 6 89 20.1 6 90 . 88 6 91 74 6 92 89 6 93 63 7 77 63 7 78 18.0 33 16 86.9 CL A 6 104 8 64 31.0 20 39 21 97,5 CL A-6 8 79 93 8 80 159 8 81 94 8 82 148 8 83 90 8 84 125 9 90 99 9 91 75 9 92 122 9 93 91 10 83 141 10 84 62 10 85 92 10 86 75 10 87 100 10 88 56 11 86 17.4 30 11 861 CL A-6 Test Bore No Depth (ft) Moisture (%) Dry Density Compressive Strength Strength (psf) Swell Pressure (psf) Liquid Limit (%) Plasticity Index (%) % Passing No 200 USCS AASHTO Classification Penetration (Blows/12 inches) 11 88 67 11 89 80 11 90 106 11, 91 60 11 92 a 140 11 93 73 12 8 3.1 0.6 GP 12 74 , 127 12 76 h 124 12 78 9^, 3 87 104 13 88 161 13 89 83 13 90 92 13 91 58 13 92 ;16 13 93 96 13 94 112 13 95 58 13 96 • 71 13 97 101 14 N/A 15 114 76 15 115 122 15 116 109 15 11/ 137 Test Bore No. Depth (ft) Moisture (%) Dry Density (pcf) Compressive Strength (psf) Swell Pressure (psf) Liquid Limit (%) Plasticity Index (%) % Passing No. 200 USCS AASHTO Classification Penetration (Blows/12 inches) 15 118 95 APPENDIX E J&T Consulting, Inc. Broken Arrow Investments, LLC - Derr Pit Project Slope Stability Analysis Peak Acceleration (%g) with 2% Probability of Exceedance in 50 Years USGS Map, Oct. 2002rev 125 W 50 N 125 w 95°W 100°W 50°N 120-w 100°W 110 W 115°W 105`W 95W 300 200 160 120 80 60 50 40 30 20 18 16 14 12 10 8 6 4 2 0 VI June 8, 2018 J&T Consulting, Inc. Department of Natural Resources Division of Reclamation, Mining, and Safety Mr. Eric Scott Environmental Protection Specialist. P.G., R.G. 1313 Sherman Street Room 215 Denver, CO 80203 RE: Response to Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package. Derr Pit, Permit M2008-017 Dear Mr. Scott: J&T Consulting, Inc. and Broken Arrow Investments, LLC have reviewed the comments we received in your `Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package. Derr Pit. Permit M2008-107" letter dated March 15. 2018. Below are the comments and the corresponding responses that have been provided to address the comments. EXHIBIT C - Pre -mining and Mining Plan Map's) of Affected Lands ;Rule 6.4.37: While the Exhibit_C map as provided appears to contain most of the required information, compressing it into one black and white map makes it very difficult to read. Please separate the required information into more legible maps. The current and proposed permit boundary should be clearly delineated on all figures. DRMS suggests the following breakout of the provided/required information, but is open to other arrangements as long as all required information is present and easily legible: C-1 Adjacent surface owners/info with parcel lines/lot lines. contour data. vegetation data, and floodplain boundary (floodplain delineation not visible on current map). C-2 All structures and utilities and ownership information within, and within 200' of. the proposed permit area and proposed mining setbacks. This data should correlate to structures and structure agreement information provided in Exhibit S. C-3 Mining Plan Map - show proposed mine phases, mining limits. and all mining related features (slurry wall. topsoil and overburden stockpiles. plant and scale locations. buildings, typical mining section, dewatering pond, etc.). Response: Exhibit C maps have been updated as requested. See the attached updated Exhibit C maps. 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package, Derr Pit, Permit M2008-017 Page 2 EXHIBIT D - Mining Plan (Rule 6.4.4': The fourth paragraph of Exhibit D states that setbacks of less than 200' may be used for structures with existing surface use agreements/damage waiver agreements. Please specify in detail what structures/agreements are being referred to (this information may also be provided as part of Exhibit S). DRMS notes that prior damage waiver agreements have been obtained from the City of Greeley. DCP Midstream, and Loloff Construction as provided in Exhibit S. DRMS considers that the entire proposed permit area is potentially affected area at this time. No evidence has been provided that any structure owners (other than the three listed above) inside. or within 200'. of the existing or proposed permit area have been provided with damage waiver agreements. This demonstration is required by DRMS prior to acceptance of a geotechnical stability exhibit such as the one provided for the first four phases of the proposed operation (See comments for Exhibit S for further information). DRMS cannot approve the permit amendment unless/until all structure owners within and within 200' of the proposed permit area are provided with damage waiver agreements. Response: The existing surface use/damage waiver agreements that have been obtained and the associated structures are listed in Exhibit S along with a listing of other damage waiver agreements that are being pursued to structure owners within 200 feet of the affected area, and the structures associated with those agreements. See the attached updated Exhibit S. EXHIBIT E - Reclamation Plan (Rule 6.4.5): If the proposed lined reservoirs lie within the flood-plain,_the operator will need to install engineered inlet/outlet structures to protect the integrity of the liner during a flood event. If pumping/water control features associated with the developed water resource will be constructed prior to release of the permit as proposed here, the permittee will be required to submit a detailed engineered design for these features either as part of this amendment or through a Technical Revision prior to construction. Cost for construction of these features will need to be included in the reclamation bond. These requirements also apply to the required engineered flood control structures, and installation of a perimeter drain/French drain to control groundwater levels around areas enclosed by the proposed slurry walls. Please acknowledge. Response: The north cell reservoir is outside the floodplain. The south cell reservoir is in the very outer fringe of the floodplain. Because the south cell reservoir is more than 2000 feet away from the river channel to the south, the site is level, and there is no above grade embankment around the reservoir, a side channel spillway is not required, and in fact could not be constructed, to convey flows into the pit Any flood flow that enters the pit will be contained there and will not exit the pit after the flood event ends. Flood flows will not be concentrated and if they enter the reservoir will do so in a sheet flow condition. It is anticipated that minimal to no damage to the reservoir side slopes will occur. Some minor erosion may occur on the side slopes. No damage to the slurry wall liner is anticipated as it is set back from the reservoir side slopes. 305 Denver Avenue - Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package, Derr Pit, Permit M2008-017 Page 3 The pumping/water control features associated with the developed water resource will be constructed after the release of the permit. Exhibit E has been updated accordingly to clarify this. See the attached updated Exhibit E. Costs for the pumping/water control features have not been included in the reclamation bond because they will be constructed after the release of the permit. Costs for engineered flood control structures have not been included in the reclamation bond because they are not necessary. Costs for a perimeter drain have been included in the reclamation costs. See the attached updated Exhibit L. See also the attached updated Exhibit F maps. EXHIBIT G - Water Information (Rule 6.4.7): Due to the potential impacts to the surrounding_groundwater table from the proposed operation, a groundwater monitoring plan will be required to be submitted to DRMS and approved prior to exposure of groundwater at the site. Additional monitoring well locations will likely be required to monitor for potential off -site impacts to groundwater levels resulting from the proposed site activities. The required groundwater monitoring plan shall include, at a minimum: 1 Map depicting the locations of all current and proposed groundwater monitoring locations associated with this site. 2) Boring logs/well construction diagrams for all current groundwater monitoring wells associated with this site and future wells after installation. 3) Monitoring data collection and reporting methods and frequency. 4) Summary of any existing data available from current monitoring well locations and any nearby accessible monitoring or domestic wells that will help characterize the background conditions. historic water levels and seasonal fluctuations. and groundwater flow direction in the vicinity of the site. 5) Proposed "trigger levels" for each well that will identify when groundwater impacts (rise or fall) have reached levels that will require reporting to DRMS, and may require additional monitoring or mitigation actions. 6) Proposed mitigation actions that may be implemented if impacts to groundwater are observed consistently above trigger levels. or off -site impacts are observed. 7) The permittee will also be required to demonstrate that they are in compliance with the requirements of Rule 3.1.6 (1)(b). "compliance with applicable federal and Colorado water quality laws and regulations, including statewide water quality standards and site -specific classifications and standards adopted by the Colorado Water Quality Control Commission." This site is in a non -classified area, and therefore the Table Value Standards of the statewide Interim Narrative Standard from WQCC Regulation 41 apply V1 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package, Derr Pit. Permit M2008-017 Page 4 to groundwater for this site. The permittee should include a plan to characterize background groundwater quality, and be able to demonstrate with defensible groundwater monitoring data that these standards have not been exceeded during mining and reclamation operations. Response: 1. A monitoring well location map is attached showing the location of the existing monitoring wells on the site. Future monitor well locations will be determined after the design of the northern slurry wall around phases 5-7. In general monitoring wells will be constructed at intervals around the perimeter of the reservoir, outside the slurry wall, to monitor groundwater levels both upstream and downstream of the slurry wall. 2. Boring logs for each of the existing monitoring wells are attached. Boring logs for future wells will be provided to the Division when they are constructed. 3. The existing monitoring wells are measured monthly. Future monitoring wells will be measured monthly. Monitor well data is tabulated in a table showing the date of each measurement, monitoring well number. 4. Attached are historic readings for the existing monitoring wells. 5. Per the previously approved permit the trigger level that would require notification to DRMS and possible mitigation is as follows: a. A three (3) foot difference in the depth to groundwater from the seasonal groundwater levels in two or more piezometers as observed in the previous year's monthly measurements for two consecutive months. 6. A perimeter drain groundwater equalization pipe system would be the measure used to mitigate groundwater impacts resulting from the installation of the slurry wall. This system would redirect groundwater around the slurry wall lined cells to equalize the groundwater levels around the reservoirs. This measure would be implemented should mounding upgradient or shadowing downgradient of the lined reservoirs reach the trigger level noted above. 7. Broken Arrow Investments has an approved groundwater discharge permit in place through CDPHE to ensure that water quality is not adversely affected by the mining activities. They are in full compliance with all requirements of the permit. EXHIBIT J - Vegetation Information (Rule 6.4.10`: Reference is made to a letter provided by US Army_Corps of Engineers stating that wetlands identified during the site study were determined by USACOE to be non -jurisdictional, however, that letter was not part of the application as submitted — please provide this documentation. Response: The non jurisdictional determination letter is attached for your reference. EXHIBIT L - Reclamation Costs (Rule 6.4.12)• DRMS is currently reviewing the Reclamation Estimate_ provided. Items identified at this time which will require modification include: V 305 Denver Avenue - Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package, Derr Pit, Permit M2008-017 Page 5 1) Costs associated with design and installation of pumping/water management structures. engineered flood control structures for lined reservoirs within the flood plain, and perimeter drains as stated in the comments for Exhibit E. 2) DRMS will not bond for the final slurry wall configuration in "phases". The required bond for the construction of the final slurry wall configuration will be required to be posed before groundwater is exposed in any phase within that slurry wall (phases 1-4, phases 5-7). 3) Please submit documentation for the direct costs provided in Exhibit L. 4) You will be contacted if additional information is required as the adequacy issues are resolved. Response: 1. See the response to Exhibit E comments. No costs for pumping/water management structures or flood control structures have been included in the Costs for a perimeter drain have been included in the reclamation costs. 2. The reclamation costs have been updated to include costs for the final slurry wall configuration. See the attached updated Exhibit L. 3. See the attached price proposal from Great Lakes Environmental and Infrastructure for details on direct costs for the slurry wall construction. 4. No response required. EXHIBIT S - Permanent Man -Made Structures Rule 6.4.19): DRMS considers the entire proposed_permit area to be potentially affected area at this time. No evidence has been provided that any structure owners inside. or within 200', of the existing or proposed permit area have been provided with damage waiver agreements (other than the City of Greeley. Loloff Construction. and DCP Midstream as provided). This demonstration is required by DRMS prior to acceptance of a geotechnical stability exhibit such as the one provided for the first four phases of the proposed operation. DRMS cannot approve the permit amendment unless/until: 1) All structure owners within. and within 200 feet of the proposed permit area are provided with damage waiver agreements. and proof of this has been submitted to DRMS. To facilitate this process, please provide a detailed breakdown of all applicable structures by structure owners, and show the structures/locations on to a map depicting this information. Listing structures only by type. as submitted in Exhibit S. is inadequate. 2) Executed damage waivers for those structures have been received and submitted to DRMS, or a geotechnical evaluation has been conducted to determine that those structures that have not returned executed damage waiver agreements will not be adversely impacted by mining activity. The geotechnical assessment must provide information sufficient to demonstrate that the stability of any structures located within two hundred (200) feet of the operation or affected land will not be adversely affected. VI 305 Denver Avenue - Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 Mr. Scott Response to Preliminary Review of a 112 Construction Materials Reclamation Permit Amendment Package. Derr Pit. Permit M2008-017 Page 6 Please provide evidence (certified letter to structure owners) that a notarized agreement between the structure owners and the applicant was pursued. If an agreement is unable to be reached a geotechnical assessment may be provided to demonstrate that the structures shall not be damaged. Response: 1. Damage waivers have been provided to all structure owners within 200 ft of the permit area. See the attached damage waiver agreements and certified mail receipts. A detailed listing of structures and owners has been included in Exhibit S. All structures/owners have been shown on the updated Exhibit C maps. See the attached updated Exhibit S. 2. A geotechnical slope stability analysis has been done to ensure that no structures will be adversely affected by the mining. See the slope stability report attached to the updated Exhibit S. Thank you for your consideration of the responses we are providing and the revised exhibits for the amendment request. Please feel free to contact me with any questions or comments. Cordially, J.C. York. P.E. Attachments: Updated Exhibit C Maps Updated Exhibit E Narrative Updated Exhibit F Maps Exhibit G Monitor Well Map, Boring Logs, & Readings Exhibit J ACOE Non -Jurisdictional Determination Letter Updated Exhibit L Narrative. calculations, and slurry wall direct cost documentation Updated Exhibit S Narrative, Damage Waiver Agreements with Certified Mail Receipts. Slope Stability Analysis 305 Denver Avenue — Suite D • Fort Lupton CO 80621 • Ph: 303-857-6222 • Fax: 303-857-6224 P1,07123 Derr Gravel Pi lDrawmysW'ning PIan12018UT-Derr 2018 Mining C-1 ewg, MPlen, 8182018 7 N 34 AM A N0NNI 0VMt(. CONN(. IWO* 4, r 344. ROW riMD IN N.A. •M 3 1/4' MAU CAP ttArtD Lt rasa I... M I f II a Veal 1 r I• ,.u..._ sicaseismark a j r.I / _ J \ •� A0WN0NAL 70' RON .CSRYAN0N 'CR NE-tw INC NO 7.17751 II III III II IIl 'II, II r .at - 1 r.1• .Ra S a N Mc. 4. 4. C sissi •LOWS, II *Inca r<•• 'St i 04G V&A .M 166- II''' DV' a W'61f MAIN 101 twit I I tOTA 66.M F ♦1'V V •at • J 0' . E 14. I I j fo r I s 404itstAIT COUt. SECtON 4, 154, 441* rauNO A n9A. NM 7 '/2' MAWS. CAP SIAMID Lt 70478 pseignliENVois — ■ 30 .D* ACOIT4.MI N NO/ ItUnAtgN VIN St -Isis INC NO N'11f7 I D (Mt Quenelle C01M. I(CAON 4, 154.. NM*. Mao AUMMM CAP .ED.—•S.—•—S— a IR • RI63IMOT PROPERTY LINE FENCE LINE EXISTING CONTOURS (2' INTERVALS) GRAVEL ROAD 100 YR 1LODDPLAIN PERMIT BOUNDARY PARCEL Lail PROPERTY OWNERS WITHIN 500 FEET: NAME ASSEiSORS I.D. NO. NOSNIXO LAMM LAX 006104301027 OP-0 BOX 119 006104200317 KERSEY'. CO 80644-019 DAVID BLISS O13165E COUNTY LINE RD LONGMONT CO 60504 JAMES R ROCKER, TRUST 1001 E C ST GRE(LEY, CO 60631 DIXIE ANN /t3FFMER & JERRY D flIERS O49 *IUO*caort OR LITTLETON, CO 60123 JEANETTE SNOW O 503 CHERRY AVE GREELEY, CO 60631 O GEM MURAIA 22000 WELD COUNTY ROAD 62 GRMRLY. CO 60631 GLOBAL ASSET RECO/CRY. LLC 6530 CONStITUlCON DR FORT WAYNE. M 46604 O SYLVIA & VERNIE N PARKER N 211 M BALSAM AVE GREELEY. CO 80631 O LOLOFF CONSTRUCTION INC P.O BOX 516 KERS(Y, CO 80644 DIANA TAYLOR O665 N BALSAM AVE 6REELEY. CO 60631 VEGETATION; AU AREAS 7R11mo lot PERMIT BOUNDARY AR( PRIMARILY VEGETATED *1114 SWEET CtOVER AM) KOCHM, *1111 SPARSELY INTERMIXED AREAS OF WESTERN WIKAIGRASS 060333000016 060334000018 080333000017 096103000023 096103000044 006103000051 09610400006A D96104000066 096104000041 096104200012 096104200013 096104301009 I') m_N' %'1' ogib 3.a E Si A um !, Exhibit C•1 a M•2008-017 8 Ui A 4 A 0 C b i 1011. V Icy Ea 010►r29NAtara 6n- 1••Ma Srleet 1 3 LEGEND: • 14. 0444 II• 41.3 ❑• an 406-46464 M' CM IL 44644 _4 .6.tmlr 41 •. In WWI* Can •Jc1•}I 4 Tyr Na. 'GaO • *ism •n. 3 I/i 46443 CAP 'MOO Lf '0010 11• M cM- •I.4174 11' aav 106.401 1 La W 106.441 U464044 Ell 30 1i CM \w/5 14' CM - •M.p 0u11DVf .444.444403IY( 1064.4067 0 .110 I. CM I C•• MN I O' CM 41.41. 3 -ft 014 CWSMVC'KN "ICI iIa SLUR•. 4111. 1 p `4w 1415 444.71'. 14• CM Il 444454 1i CM 106-44 H• CYO 40•444441 N. Rf1 00010 u11YM 14 RL(N•M It, MI•CMI S tat It w IL•4150 cat IN1C. em IR' CMMT tsa sLq CW Lffi4I004-44.14470 C"..0 106• II' CM I( -46465 11.461 5 WWI 'VT Penn Taw 1(•.464644 ----J 50 •- WOw( I461Gv hit OW. M••0.90 11s, mn•114 h is fA Or TfilflR 1-•• AOOI !RPM( 10 RCM RSCRrAn011 11[4 M -I61 ICC 110 1411151 i1IC--a, 1344 DSO COG GM II 10?LI Waal ONDM• Ni.411 M nog (n N. S SICO CON • .A. •0 .O•M as. a • n' 11461 Mi11 MAO 14 •• — 4� WPC R00•111..00•111.. Jt n• NLVi000. 4- • retieWawa to. N '.N mica LM •CIL POW l 'WI -,III / Rs NR '10 1s .0 Ni" PC IN lir• COLIC - 0" N r t PI' TYRE 1.40 'a '0• • S r Mern L 444•44444444•444 ISIS tan.,' / YM•' OW l • i. I `41•4444 tIVIP46«4111. •4.414 I-6 'rl Ylt 10(n(( 'M1 wn P•c OKRN40 1.46411 10 M AW00rt0 MID RWON0 IN ru'%at •••4 ISI WANIAN 100H MIIACK ri011 qM1 416714 *1 M R WOWED isa as 15' CM r(-.16 0 43 1414 1 10211 I Stair 04m •AQIRNI r • 4440 I 113110.3' GARAGL CAA AIMED •1.44014 • A0Rn 11-• RM 1/-4 1n 14-4 V 1 I I I emit anal MS a R 41 'IC 4* CM .!•4116 14• CM 40.4413 Ii CM 106-41 • 041 I' M .m .4(1 444404 o C0NCRLnaiLYCATO. 011CN 'a% 10.a WNN 610 11 N"• OC• 10-.L5 1010' 1E fn,, POI 106-.1.1 I IY OA. 6761 q-11!3 APRO•S•( LOT Old 1 I i (MIND CAS Mir'Cf LIT( /• 044 III OWN 484 100 II II .MAR Ms OAS Walt n M RLOCAnD 'a, (IACGv NO TIMOWi i-. L 'I 111 �I I ICC COI 0W de r %RLL 61n 1011.4464 3 .0C•• It Cie 41446113,1 14• COP f• ;I W C•I• Il•4441 1' CM FT • 4444 Ii CM rW-4 414 'iiIO'w R-4133 '11.30' GM rL-413S -»1- 101W •RPWYO 0(LOCATCO OAS LM ____ .•i- 041 141 Of A 101 W 6141 APPRUXWAII LOT Uhl 10• SOT 040 _ T0P-.146 �• cm. Wahi1AST C01ULR 4.41x6 SEC O. 4, I.3N. R W rlII•p • IOW an I Ip' 4444•" CM 1tAY6(0 If 1067. E••. 4 4614440_ COI(MIE 444.141. yltn M -all• TOP -.4Y 1 ! W 11.414 •,N_ wr 111 IiV 'CSC 11.1141 411 Sc' It 4461 S IV CM 46.4011 !'4304 CM '06-413 Ir•30• CM 036-41.0 • 0044 44 I-i R•'T-` ran 464Cw 4404703(0 Nt0CAnD GAS IM a'.cuss (AYYYr 10 OM A • -ISM INC NO 67173/ r no far }In IC CM ,0•.44540 1• CM• 106.Ml31 1411E Hut f I I :t ai- roar COTO NO V.a. NO *WV YRYI AOPIgrAL IM' IOw RM►MTiO4, R• R -'414 C 440 1.111!1 • Q 30• aL6 106.4654 3 30 PIP Cl -46m 1 Kr GM Ks -67!4 T YE 4•444,3413 30. ts. 106.46141 4 • Silt AAN .0111.* .L �.. rA•�GRR. MOM IA4 Galt* C1%(R f1Cl0R 4. 1 Ws . 4 6111 lamp A(HWMN CAP • • tE • O I) tx Cr- WSW — /6 0 Cr'). *IRE GAS LINE PARKER GALS VAL YE Mil WATER METER WATER FAUCET WATER (WE PARKER ELECTRIC TRANSSORM(I. TREE TELEPHONE PEDESTAL TELEPHONE ME WAUK(R PROPERTY LINE FENCE LINE OVERHEAD LC(L POWER LINE EXISILNG OCP YIOSTREAM GAS UNE NORTH MID WATER DISTRSCI WATER LWL EXISTING CONTOURS (7' INTERVALS) GRAVEL ROAD PROPOSED PERMIT BOUNDARY PROPOSED FNAL WRING LWII PROPOSED SLURRY WAIL 1!0 SCALE #4 FEET Exhibit C•2 Broken Arrow Investments M-2008.017 8 5 re j I .1 A O a b I ..41 COnu11mg• Inc 0+'n 2 3 LEGEND: Den 2018 Mining C-3 dwg M1 a S c 3 2 I A g \Ilya-- le I P*OPOYD MO&I / MPG! SU% a I. .!'yy Is t,Wt •o IIM =MOS. BS •ttllp Ib • I CISTCSINSIT as aanis MI/AG, r0 R WMMIAMD IMMIX of GAa NUS 111 COMM ILO NON* IIM AO — • 46 onioni00, 11DLVlt rl. PHASE 4 SSD AO \ r tinSig COMM 4a M ri er.- .10..4.0,7=L .IM m t lD .. .V.• 0443/0001003.0,tO OMB >/W IPIVINI .. M ' `M!. NlaC.b Io•M. 1 ,•OC,IYI M. I / • r M to I— Ua 1111E — won RON $ LIT AC tat .er1 ,r \-walla sots 1 PINS I RJR A` bro.,.,. z !W .. "Oa c.nConn 30143014.0.t 'heat ) I �C ,A•tr.. {® WA.II R G1 iF1 air WIWI* Far an. O.CM.tm POW. TO M 0.1140410•40 AND R110MD M runs YUNG 0Nt WAWA" 700 It RMAO( f0OW 000[1 WMII !I I. Kist 00 ?weft aren.* 1110*u a NPO 0i g PO.I.I ITOAC I I 1 1 1 E Is 1 1 1 1 s_to .•o / itInub. •I.o ..w. I , PVRII! MOOLA N10Y fli OPERATION ANA . _J lw 4 u 1. r PIMII7 T 7.75C :p: • 1 P*UPOLID RII.MA1D GAS I.II a' ass )AZNI.r ID Ia A RE- RUG KC *0 741130) .ROlOIID RLCCAILD GAS sad Non • Carron! MM*S wallas i•RGPLRTY ;INL FENCE LINT RELOCATED GAS UNE GRAVEL ROAD PROPOSED PERY17 8011NDAR• PROPOSED FINAL. MINING LIMA' S 100 Pit l AREA PROPOSED SLURRY WALT :If NA'I r11L / IT.. r0AOCC r S• —, TYPICAL MINING SECTION 1' OLMTLRING TRLCI Putt To RCCItAACZ Otto. DEWATERING COLLECTION POND ® �c TOTAL. PE-RM17 ARE -A = 14!) 05 AC: TOTAL MINING AREA 7!) 21 AC Exhibit C•3 Broken Arrow Investments a M -2O08.017 REV:SIGNS I 6 Ct A a e 9 Co,.wLnq. •�c win 14114 WS% 3 EXHIBIT E Reclamation Plan Water storage will be the primary final reclaimed use for the Derr Pit Project site. Portions of mining areas will be backfilled and reclaimed as "native" areas, which will be re -seeded with native vegetation and will also include areas where native trees could be re -planted. The majority of the mining areas will be reclaimed as a water storage reservoir. The remaining area within the proposed permit boundary will consist of reservoir shoreline, unimproved access roads around the reservoir, and reclaimed or otherwise undisturbed land. The approximate acreage of each of these areas is: Final Land Use Reclamation Plan Area (acres) Alternate Reclamation Plan Area (acres) Reservoir(s) Water Surface 64.30 68.41 Street/County Roads/Access Roads 4.65 4.65 Reclaimed Vegetated Land and Undisturbed Land 71.10 71.99 _TOTAL _ �- 145.05 J_ 145.05 J Water Storage Reservoir(s) In general. the mining limits will be mined to the siltstone/claystone bedrock. The relatively impermeable bedrock will make the bottom of the reservoir. The reservoir will also be separated from the surrounding alluvial aquifer by a slurry wall liner The slurry wall liner will be keyed into the bedrock material and extend upward through the entire height of the alluvium. Design specifications and quality control procedures used during construction of the slurry wall liner will ensure that the reservoir meets State Engineer's Office (SEO) performance standards for permeability. The slurry wall liner will be constructed between year two and year three of the mining. All reservoir slopes left by the mining operation will be reclaimed to at least 3H:1V final grade. Reclamation of the exterior cell walls will be concurrent with mining. Since reclamation will be concurrent with mining. most soil. overburden. and bedrock material excavated during mining will be used almost immediately. Scrapers and dozers will be used to place overburden material along the reservoir perimeters to achieve the final grade. Upon placing the backfill material. 95 percent compaction will be achieved to insure adequate integrity of the slope. Final reclamation by capping with topsoil and re - vegetating above the expected reservoir water level will follow backfilling operations closely to minimize the amount of disturbance at any one time. After reclamation activities are complete and the permit is released. inlet and outlet facilities for the reservoir will be designed and installed once the end use of the proposed reservoir(s) has been identified. The general location for the inlet/outlet facility has been shown on the reclamation plan map for reference. It is anticipated that the JET Consulting, Inc. IA' Derr Pit Project DRMS 112 Permit structure will function as an inlet and outlet as it will be a wet well with a pump station. The wet well will accept incoming flows that will fill the reservoir. The incoming flow will enter the top of the wet well and exit through an inlet/outlet pipe that is placed at the bottom of the wet well and extends out into the reservoir on the bottom of the reservoir floor. The inlet/outlet pipe on the bottom of the wet well will also function as an equalizer pipe to allow water into the wet well so when the discharge pump station is operated water can be pumped/removed and discharged to the end users system for use as augmentation water or perhaps raw water that could be treated and used for potable water. Reclamation Measures/Materials Handling Backfilling will be done to provide stabilized shorelines around the reservoir and to minimize erosion. The backfill material will consist of native bedrock claystone. gravel, overburden. and topsoil. There will not be known toxic or hazardous materials in the backfill material. Additionally, it is not likely that acid forming or toxic materials will be encountered during mining. The mining will not leave high walls on the property. In addition. there will be no auger holes. excavations. or shafts left on the property. Overburden and topsoil that is removed during the mining will be used to reclaim the mining slopes and areas that are disturbed during the mining such as haul/access roads and the recharge pond. Overburden will be placed in the areas such as haul/roads and the recharge pond to bring the grade to the final reclaimed elevation. The overburden may also be spread on the 3H:1V mining slope to use the excess overburden to exhaustion. This will be accomplished by using a dozer to spread the overburden material to a depth of one foot or less across the entire mining slope thus maintaining a 3H:1V slope. The slope will be compacted as described in the previous paragraphs for the Water Storage Reservoir. Topsoil will then be placed to finalize the grading such that seeding can occur The topsoil will be placed at all disturbed areas and on the mining slope to an elevation matching the expected reservoir water level. Top soiling The top six inches of soil on the property is classified as topsoil. This layer includes the root zone of grasses and crops, which will be stripped and stockpiled separately. By using concurrent reclamation techniques. the topsoil is not expected to remain in stockpiles for more than one to five years. If the stockpile remains more than one growing season, it will be seeded with a fast growing vegetative cover to prevent erosion. All topsoil will be retained on -site to reclaim the reservoir shoreline. and other areas disturbed by mining activities. Where required. topsoil will be replaced to a depth of approximately twelve inches. Revegetation As mining operations are completed. areas for reclamation will be graded and shaped for revegetation. Runoff or excess water from adjacent areas will not be allowed to flow over slopes being graded and seeded. If needed, berms or channels will be constructed to divert excess water and dispose of it in a safe and non -erosive manner. L' J&T Consulting, Inc. Derr Pit Project DRMS 112 Permit Upland Areas. For disturbed upland areas. the reclamation plan includes re -vegetating with appropriate seed mixes to minimize erosion and reestablish natural terrain. The grass mixture below was selected to be long lasting and regenerating. as recommended by the Greeley NRCS field office. The ground will be fine graded prior to seeding according to recommendations from the Natural Resource Conservation Service. Reservoir side slopes below the anticipated reservoir water level will not be seeded. The proposed seed mix is shown in the following table. Upland Grass Seed Application Rate (#PLS/acre) % in mix I Switchgrass (Greenville. Nebraska 28, Blackwell, Pathfinder) 0.8 #PLS/ac _ 20 Yellow Indiangrass (Lano. Holt, Cheyenne, Oto) 1.0 #PLS/ac 10 Sideoats Grama 1.8 #PLS/ac 20 Blue Grama (Hachital, Lovington) 0.3 #PLS/ac 10 Western Wheatgrass (Arriba, Bartonk, Rosana) 4.0 #PLS/ac 25 Sand Dropseed 0.03 #PLS/ac 5 Little Bluestem 0.7 #PLS/ac 10 Totals 8.63 #PLS/ac 100 Application rate is for drilling the seed. If seed is to be broadcast. the application rate will be doubled. The seed mix for final reclamation as described above does not require fertilizer as recommended by the local NRCS office in Greeley. Colorado. The seed mix was revised slightly per the NRCS's latest recommendations that require less seed to be drilled or broadcast per acre of disturbed area. Upland grass seed will be planted with a drill equipped with depth bands and press wheels. The seed should be drilled in the spring in the month of April for best results. The seeded areas will then be covered with straw mulch at a rate of 4.000 pounds per acre. The straw will be crimped into the soil to control erosion until the grass becomes established. See the attached NRCS seeding recommendations. If a significant invasion of noxious weeds occurs after seeding. the weeds will be mowed before they can go to seed. The areas will be mowed periodically for additional control as needed. Mechanical control will be used as a first priority. Chemical methods will only be used if no other alternative produces acceptable results. Temporary Stockpile Areas. For temporary stockpiles, the reclamation plan includes re -vegetating with appropriate seed mixes to minimize erosion and establish more rapidly to stabilize the stockpiles. The grass mixture below was selected as recommended by the Greeley NRCS field office. The proposed seed mix is shown in the following table. S I JET Consulting, Inc. Derr Pit Project DRMS 112 Permit Temporary Stockpile Seed Application (#PLS/acre) Rate ` % in mix Slender wheatgrass 2.8 #PLS/ac 25 Smooth bromegrass 3.9 #PLS/ac 30 Pubescent wheatgrass 4.2 #PLS/ac 30 Sand dropseed 0.03 #PLS/ac 5 Crested wheatgrass 0.6 #PLS/ac 10 Totals 11.53 #PLS/ac 100 * Application rate is for drilling the seed. If seed is to be broadcast. the application rate will be doubled. The seed mix for final reclamation as described above does not require fertilizer as recommended by the local NRCS office in Greeley. Colorado Water — General Requirement To minimize the effect on the prevailing hydrologic balance, the operator shall: a Comply with all applicable Colorado water laws. b. Comply with all applicable Federal and State water quality laws and regulations. c. Comply with all Federal and State requirements for dredge and fill. d. Re -grade and backfill all sediment and siltation structures after mining is completed. Groundwater — Specific Requirements The operation will not affect groundwater quality on or off the site. The operation will comply with State groundwater quality standards. Due to the absence of sources of potential pollutants, groundwater quality monitoring is not required in this operation. The mining and reclamation will affect the groundwater table surrounding the mine site. Proposed mitigation efforts to minimize these impacts are a recharge pond along the southeast corner of the property to maintain groundwater levels during the mining, and a perimeter drain if needed to convey groundwater around the lined reservoir after the slurry wall is installed. The depth to groundwater has been measured on a monthly basis in piezometers located on the interior and exterior of the proposed slurry wall alignment since October 2006. Groundwater depths will continue to be measured and recorded at monthly intervals in each piezometer to establish what the seasonal groundwater levels are. These measurements will be used as a benchmark for maintaining the groundwater levels in subsequent years. The triggers that would require the perimeter drain to be installed are as follows: JxT Consulting, Inc. Den- Pit Project DRMS 112 Permit A three foot difference in the depth to groundwater from the seasonal groundwater levels in two or more piezometers as observed in the previous years monthly measurements for two consecutive months. Broken Arrow Investments, LLC proposes that the groundwater elevations be monitored through onsite wells before. during and after the mining and reclamation is complete so that impacts to the groundwater table, from this mining operation, can be identified and addressed. It is the intent of Broken Arrow Investments. LLC to operate responsibly and to mitigate damages to wells that are directly attributable to the mining and reclamation of this site. For more specific information please refer to the well owner agreements and narrative included in Exhibit G. Reclamation — Approximate Time Table The proposed rate of production for the mine is 300.000 to 600.000 tons per year. The total time frame to mine every phase is approximately 12 to 24 years which allows for years where the 300,000 to 600.000 tons per year production rate is less. The following table shows the approximate time frame to finish each phase of mining: Mine Phase and Acreage Time Frame to Complete and Reclaim Phase Phase 1 - 6.92 acres 2 years and 7 months Phase 2 - 6.81 acres 2 years and 7 months Phase 3 - 8.21 acres 3years and 3 months Phase 4 — 9.90 acres 3 years and 10 months Phase 5 — 16.71 acres 4 years and 8 months Phase 6 - 11.69 acres 3 years and 3 months Phase 7 - 14.71 acres 4 years and 1 months The assumed maximum production rate is 300.000 to 600.000 tons for processed material leaving the mine each year. An average production rate of 300,000 tons per year was used to calculate the reclamation time table. The size and area of reclamation varies for each phase but generally consists of the outside mining slope being reclaimed at a 3H:1V slope with the addition of overburden. topsoil. and revegetation. For more information on sequencing and size of the reclamation activities refer to Exhibit L financial warranty calculations. Reclamation Plan and Alternate Reclamation Plan The reclamation plan attached in Exhibit F depicts the reclaimed reservoir(s) with an existing oil/gas well in the center of the reservoir with setbacks recommended per the existing slope stability study. for the area that was originally permitted, that will be implemented if an agreement with the oil/gas companies cannot be reached to re -locate the existing well. All the additional areas in the amendment will not be mined within 200 feet until an agreement with the oil/gas companies. property owner(s). or utility owner(s) can be executed or a slope stability analysis can be performed if an agreement cannot ' J&T Consulting, Inc. id Derr Pit Project DRMS 112 Permit be reached. An alternate reclamation plan has also been included depicting the reservoir for the original permit without the existing oil/gas well remaining in place. The alternate plan has been submitted in the event that the surface use agreement with the oil/gas company will be finalized and the existing well could be re-located/abandoned as a part of the proposed surface use agreement. J&T Consulting, Inc. id' Derr Pit Project DRMS 112 Permit NOTE: A. .H.+HzD AREAS OUTSIDE Of WATER SURI ACE TAIL BE SEEDED AND NUICIED WITH THE EXCEPTION Of ACCESS ROADS WHICH *ft l 9E GELWEL SURiACEO M.wc can 44"ter - L (ern -73 — — -- _ -Air/ I I I I -II 11 11 11 I I I I I I L L ti --;-___-„...___ _______ ----, *,:cd-t.-,4, . i•-,.,4,„,,, ____ ,z • 44v \ j _ -4.46. l I --------- 4465: . 4670 4610 4600 4 4616 4626 Tc\n 4660 4650 _ 46415 46.30 4620 4610 4600 ofn 4620 4630 4640 46` •66i IA _ r ne.� 4/4 — I. • ASA 41 - -ITT{' I —,14 7 IpV 4570 4 4510+ _ 4-_ 4 1 r 4410 46: ` I '4' '5 ,Y. __,I. M -AN EM Ilea el fi II II I I I I I.1 11 I I 2. 11 :II r .W' I CC1M I4RY41 SO .VI ATARI-Il1M NC r W • • X ID LEGEND: ., L.rtY P0(1 Cu, MIRE GAS LINE MARKER GAS VALVE WELL MATER Mt IER WATER EAUCET WATER LINE MARKER ELECTRIC TRANSFORMER TREE TELEPNCI E PEDESTAL TELEPHONE LINE MARKER PROPER It LINE rNNCE LAR u O OVE RH(AD XCEL POWER lit �• lUSTIND DCP MIDSTREAM OAS nwt NORTH MELD WATER DISTRICT WATER LINE EXISTING CONTOURS (7' INIERvn.+I GRAVEL ROAD E ITT PROPOSED PERMIT BOUNDARY 4640 I50 /4 U PROPOSED SLURRY WALL PROPOSED CONTOURS PERMS TER DRAIN WATER SURFACE %CAI.t W Itr. u ii ire Exhibit F } 0 7 Broken Arrow Investments Derr Gravel Pit M•2008.017 W r 4 a 46 p JET COnmaltWq, Inc ., _ ..htk rr- wYMb .HEMP r .. 2T p6 20111.4. 1 4ew7cs7ItAWr f a- =e.e •111 k_ r•iSrM___ _ t SMee �. •I,, EOT a s-iS l I, I I A; .4M4.11 W.L NOTE: AL. DLS1uRRED AREAS OUTSIDE or WATER SURSK( WILL RE SEEDED AND WutCKO obi tnE ExCEPTION O ACCESS ROADS WHICH WILL RE GRAVEL SURFACED J 4650 4440 4 -SW 4670 4610 4100 4 -FS i s ). � -• 1 .-' .Lem— ' lawrisameniNNP «=.. _ '�� - .._ - .4)E 45'20 4610 4600 4100 4500 4t.-.70 4 t/I4l, 4' t.0 4500 4WD T- 4 'A • , lei Karl hie Wes I. «nM u) A INII.He w rid I I IIt, II I1� It • I I W a a LEGEND: • •4+a 140 UR,IV VOLE W, list GAS LINT WARREN GAS vAt Vt MEU WATER WE TER WATER rAUCEt WATER tint VARRCR ELECTRIC TRANSEORNI TREE TELEPHONE PEDCSIAt TELEPHONE LIRE MARKER PROPER?, LINE rft CC ANC OVERnLAD IICEL POWER ZINC tII*STNG OCP WIDSTRI AV ".w'; 4 NORTH WELD WATER INS IRK I WATER LINE EXISTWG CONTOURS (Y (NTLRVAL5) GRAVE I ROAD PROPOSED PE RWIT 004$4DAR, PROPOSED StuRR, WALL PROPOSED CONTOURS PERINI TER DRAIN WATER SURSACC tZ Alternate Broken Arrow Investments Derr Gravel Pit M-2008.017 6 w r 1 1* 4 Jai ConsuRno, In• A 3 BACKE ILL EXISTING - THE NO, WITH NIATM ANTEMKS 3' -5' VARIES *SW C.11 - CONCRETE AGGREGATE AWN C33 CONCRETE SAAR Dr RIQUIRLO) SANDY CLAY OVERBURDEN SAND AND GRAVEL ALLUVIUM PERIMETER DRAIN DETAIL (TYPICAL SECTION IF REQUIRED) ri - VARIES 2 OVERBURDEN AND I0PS0I BACKFAL ALL 0'STURBE0 AREAS DOVIN TO WATER SURFACE f I*ATIR cURF4C /••>wT RNj �\�� / TYPICAL BACKFiLL SECTION SLURRY WALL NOTES: I B¢itwit SPpc:IAulzur4 VP/1N rol.0 Any Std 13A Vi5CO meter lima!' Lou Moisture [chant AS1W D 2216 as Iles 3 greater than 30 lea than IS cm3 lets then ID percent lest truhs ter arch 101 0l bentonite must are provided 1 601f!_SRfcd,CRL.ans pro Hardness 1ota' Pssowed Sol. de 0u, organics ocoa. oboin Chloride 6-8 less than 200 Open less than SOOppm lees than SO pprn tan report Reptan•te Slurft_ General SatCASab CS the .'Aid bentonite stu.ry must be tested pr.ot to placement -n the bench the .loin may bo Toed .n hgh shear mints or mired and hydrated in Slurry hydration ponds in general. a minimum hydtOtOn Line 01 8 hours et all., IM benlon.b slurry to meal all criteria A minimum bentonite content of 6 percent .n the slurry by night is .eawred 4 Uphold* Sadly 1.111400-ateclicst ns seers Pjppan.sy VgcoMly Measured */ Marsh runnel (API RP 13p-1) Mu than 40 sec Density less than 6e pct citrate tots sass Than 20 cm3 D DS to ID the tests lisle., Dave should be run t or 7 '.mat per shill and at teat one• per batch al Murry tae slurry must b 'tether teats altar proc.mt.l in the trench iN teat. vandals) are for viscosity, density, sand content, and pH leo sets or tests Del %Nfl at tea locations In the trench (opproumatety 2 tact below the Slurry surface and 2 feet above the bottom of the trench) pre moused If Ile density of the Surly in the trench exceeds a5 pet the area kakis mint be removed by assenting or the slurry replaced suit+ fresh starry. The slurry level must be mantainoo at roost 3 feat above be grOuna *Oleo eevat.an and no more then 2 feet brew the top of the aorta/ plattdm 5 (Moloney Slurry testing Saetll,retn_ all., P1cc60teat U rot Regret 1 03 to I m3 Sono Content ASIM D 4351e0gm-a1(/cIff.)H 10 to 20 percent by .aurae 6 San-Bentnn.t..0nCt1d1 SaarmisatAciu S -B (atilt stump SSW C let I set per 100 Cu yds Lump 2-6 inches S -B bacstill prodobor, I set Per 300 Cu yds Screen (VS Standard) Percent by Dry *egret 3 ,man too / 4 s0-60 /e0 25-50 1200 20-s0 M.ninturn Pop.c.ty may of ICI 7 I(ey trench ant Slurry NdP rat, Srurrdmttinne During execration. soundings Saha be Obtained to aetermne Ine e savmons of IN top of tree sty layer, the bottom of the e.covotion, one Inc bottom or the Olean poor to iocatahng II sedimente n areas of 2 finches nave accumulated it is necetsory to Cyan the Venn bottom by airlift pumps a' activation eowdffenl to remove IN sand and sediment that has settee PM trench batten% should be cleaned. us a mmmnrm. of the beginning of torn shift Soundwps should be abtcned opp4o.utotely every 20 feel Adequate keying in the S -B bactWt to an •mp.rmeobe toyer o' the Dose al IN eat al be required area .p.Ned fi the End nest' 'coon Id the stay edl 1N design do(vmenis sill include ✓ description al the sty in layer saw Ceacr.be has bench Cuttings or Other *battalion are be used to Can tat 1N slurry eon will be odeguotey keyed temporary timely sail protection vial be required in the IOrm of a noncompacted sou cover paced within one day sett froth Dpckfilltd TOO loot reach the temporary cover a removea over settlement (approximately 2 ) a.a replaced ten a compact." cloy cover over the completed slurry *DTI tl Past Constructor,. letting Post construction toting eel De Conoucted •n accordance eeh the •Coluolo Sumo lrq.neer. Of 9 Above spece.catans (notes I -6) Ore provers Oa a general guideline fen permitting purposes rune' spec.hcolins and design criteria wit be developed Outing the rotor design or the Murry tan .O L 8 2 a _b O 6 c 0 cr Q Broken Arrow Investments Derr Gravel Pit M-2008.017 N 6 cif W re A J I II o sci Consulting, Inc 211 ° greet ce �po.P SlugI- tar i. .._ Sheet a 3 III I III � II II III II _ MINIM - -a own O '3AV WVS1VS 2 Oa 7................ III 'it 2 w2 0 z CD W J W 7 J J W MONITORING MONITORING 2 0 0 v 0 S SCALE IN FEET GO N N 0 0 Z 0 Ui 0 n O a II r 4i 0 V N 0 a, C) -c cn V 1 1 J Q Cl) Z z 0 W f= Q H 0 W -O Z cc _1 w O °CC C -D Z Q Z Z 0cc m �7 O COto N O O9 N EO M o. Did PO L6 ZL BLOZW9 ' LLno�tei 'BMp•uoyeool IIeM Buuoliuoyy Bl0ZlsBu!MeiO11ld Weis nap £ZLLO\ d 2017 Monitor Well Static Water Levels Derr Pit/ Weld, CO DATE OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEPT Monitor Well Number Top of Well Elevation MW1 18 17 17 30 30 30 30 30 30 27 23 20 4635.90 MW2 17 17 17 2/ 27 27 27 27 27 23 20 18 4635.40 MW3 18 17 17 26 26 26 26 26 26 25 20 18 4636.90 MW4 18 17 17 10 22 20 20 20 20 20 19 18 4636.10 M W 5 18 17 17 20 20 20 20 20 20 20 19 18 4635.30 MW6 17 17 17 23 23 22 23 23 23 23 20 18 4637.90 MW7 16 16 17 23 23 2.3 23 73 23 23 20 18 4639.90 MW8 17 16 16 23 23 23 23 23 23 23 21 19 4639.60 MW9 16 15 16 28 28 28 26 27 28 25 20 17 4638.80 MW10 16 14 15 25 25 25 23 24 25 23 20 17 4637.00 MW11 11 17 15 14 24 25 24 23 24 24 23 20 18 4635.00 MW12 18 17 17 26 25 25 25 25 26 25 20 17 4635.80 MW13 25 23 23 24 24 25 23 23 18 4635.80 MW14 52 50 50 51 51 52 50 50 4665.10 MW15 52 52 51 51 51 52 52 52 4664.80 Client: Site: LOG OF TEST BORE - Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description L a O S. a a) SILTY SAND WITH GRAVEL SILTY SAND WITH GRAVEL GROUNDWATER GRAVEL WITH COBBLE SILTY SAND 8 GRAVEL WITH COBBLE 1 2 4 f 9 Project: Project No.: a, 0 U rn C J 3 T Log 1 of 3) Slurry Wall Design 2006-201 C J .1: r P►ashc Index 0 a It C N C. c u 0, c - V a SCS/AASHtO ••••, • .••, ••••/ ••••, ••••, • • • • 1 ••••, •••.1 13 ••••I • •.. ••••1 14 ••••, • • • • 1 • • • • 1 ••••1 :5 •••.1 ••••1 ♦ • • • , • • • • 4 ♦••♦1 • • • • 1 •••• ••••. ♦•••, ••••I ••••4 18 ••••I ♦ • • • / • • • • 1 • • • • 1 9 ttoo: 014).14.4 20 yap Atli a .': `' • V di V OJ04 22 � °a lip, ivt-TaOJ. 2 ? GJ?JJ vii: JJJ sajDJ. asay 24 4441 .10.64.14.; 2.7 JJ.a4 ?� JJJrV� dla.;V. The st'ati icaticn Imes te3resen: tie 3p0rox m3:e ourda►} Water Observations Initial WL. 8 WL 8 \Nate' necked !WIG/06 • • s •. , ren sail and rock types. Insiiu_ the transition may be gradual T.R.T. Two Rivers Testing Inc. Satin Started 1 011612005 Swung Complete O/' 6/2006 Logged By. TM Approved By TMC • Client: Site: LOG OF TEST BORE - Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description J a h - y a. rts SILTY SAND & GRAVEL WITH COBBLE SILTY SAND WITH GRAVEL SANDY SILTY CLAY CLAYSTONE(WEATHERED- BROWN/RUST, CLAYSTONE-iGREYI 25 27 28 29 30 31 32 3 34 �J 35 40 4; �3 44 45 46 4- 42; S1LTSTONE IGREYj 4: 50 Project: Project No.: St Water Center,' a V7 (Log 2 of 3) Slurry Wall Design 2006-201 C Plastic Index % Passing #200 C r- --./AASH I O ��aaaa1 X441:4 4 1:74:44:4•14: t'aaU S. % alva S Er • ij •C N.; ie.* iv... 3.47 11 re s:.;en. Me approximate boJndary lines between sob and rock types Insttj, the tra'tsi:ron may be Gradual Water Ot:5erva:lOns Boring Staled 10)15/2006 ln;t!a V1�L T R T Boring Complete 10/15,2006 L . g' • Wa;er Checked- 1O/161O6 Two Rivers Test.ng Inc i_oggec By Approver? Bv- J '. CD n, • tn- N r C ai �' -� CI O _, r- CD Ir (/) cr -- m o _cp 4 ty on co c — O a at •p' . nit GO .3 O -I a= O 0 if M (71 a? vo m 7 X al RDJ xa ;; A <� `'� 3i v. a w rev �' n v vt cn IT In S, u� v, e Depth (tt ) O :: i r - r' 1_ , ir. �o\ JCD 1 e 1 ' C) CO Sample Type0 cm 71 —t ° . _ —i Q i `§" .`}F' t N tD �, m 29 A cfl (E3LC)W/F" T) Cl) -- -----1 -- � � VI) Zj o Water Content 8 0 CO cU cD ci c 0o Mti; Ow Density (pet) :. n co- _ ..a -- -- ---- 'ni-F ul ' Liquid I unit a) " O ro W of of X Plastic index 0 ■"�'r�.i..�'� � W uv o o •. -- ---- (.1) e a "' w •� 1 IC °/u Passing #2000 a a 00 -. v • N 1 M - -10 •Y tU m a c► a Unconfined m �_ Strength (psi) l.7--1 Q •• _- -- _ -_ n in alo Swell (psi) CI 8 $i USCS/AASHTO 3. ..iat•iieo /mean aninasgininfrosnommnanraer S LOG OF TEST BORE - 2 SLog 1 of 4) I Client Site: Dust & Dirt Excavating Project: Slurry Wall Design Sec 4 Township 5 North Range 65 West Description t a 0 3 a IL EE re Project No.: SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER V SILTY SAND WITH COBBLE 1 6 7 E J 10 12 .4 15 16 18 19 20 21 22 23 24 LJ Water Content 0 l by Density (pcI 2006-201 'iastic Index Passing #200 c H 0 a C O C 0 D {14 1h +1.1- .a1 Java akifiate Jedato Ja• JJ• Jata J41 a • • ;V: a 41 J J j tylle awitete J ..l f ray°a a° itteilattar J ) a slista J•YJ/J. 4:a:• • a elefladi 4.044 ....77TTd l U.S...'.' S .. . 41.41: : ti :': : •.'.. . 4141 titi. •44:. . 4141.. • 4148440 •• ■ . . . :•:.•. .'. 044 : •..41 1 4141 0 •• 0•• U.S.' . :: . 4141•:. 4141 : . 4141:•. .; ;• • • • 0 OWS:.:f.;: 41'41:: . ▪ 'US'1 4141• Nei seal 41:•: • 41 .. . VIVO 41041 • 4141.•: 41 • • • • . .�• •S 4141::•. Me stratiftcatior• lines •eoresent the aoo-41 41 •'late bcuncla^y Imes Water Observations 1 IrnUa� WL, WL' 9' Water Checked 1 10/16/0C'. uetween soil and rock types T.R.T. Two Rivers Testing Inc. ins:tu. the transuson may be gradual Bang Started 10116/2005 Bonng Complete _egged By 10? 1 6/2005 TM Approvea ay' TMC LOG OF TEST BORE - 2 (Log 2 of 4) Client: Dust & Dirt Excavating Project: Site: 'Sec 4 Township 5 North Range 65 West Project No.: Description r n 2 9 vi Water Content Slurry Wall Design 2006-201 Plastic Index °k Passing #20 Unconfined SILTY SAND WITH COBBLE SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE 2F 27 7C •3G 3 3� 'C 39 C 4I 42 43 48 4? 0.4 4. S 4j a 44 askra iJr � JJ 4.444 4,444 ad 44 J.rJv 44-44 0044 4044 JVJ.44.0 JJ rep a. 3 - ac+P.r.wy. snrnn��- I I USCS/AASI I To T r:: st--.•!‘,_-v „e - Ines ,•epresenr'-c approx mate boundar. -.es between sci` and rock types , `.^Jate, Ooservatiors Init;ai 1IVL JVL 9. Water Cneckeo. 10/16;06 T.R.T. Two Rivers Testing Inc !ne tr3 s.t or may oe araaha Boring Started. 10!16/20116 ;onng Comptete Q! 1 612 005 ogged 6y Approved By Tr•.tc. Client: Dust & Dirt Excavating Project: Slurry Wall Design Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description vvinearis; emu:_ SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE 51 52 53 5I. 55 56 59 60 61 62 63 64 65 65 67 68 59 70 ,1 73 74 75 The stralifiCatior '^_. r ,;gin? the approximate br.. hies between scs and rock types Insitu. the :ray nsstion rray be graauat Water Observations Initial WL 9' WL O' Water Checked 10/16/06 T.R.T. Two Rivers Testing Inc Boring Started Boring Complete • • • 10/16,2306 10/15:2006 oggea By „J Approved By TMC LOG OF TEST BORE - 2 (Log 4 of 4) Client Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: ,2006-201 Description ^ iii0 a Sample Type H. in Z c. to �v Water Content 0/0) P y Dec -60y (pc) = fa -O Q J X V c u Lai it W % Passing #200 Unconfined Strength (psf) �' C', O I- v Q�- 1 en -- 'n 7� '-,v. �.. as a 7 'XOTc."{:w6t -.'.fi't..'Ya"ektt •-a�.']'r.` ` �,J!-.- ;,. ... .. I.... ....... .. .• .•;�n::c....' SILT` SAND & GRAVEL WITH 76 COBBLE 77 8 79 80 g i 82 °.if/JJJJ J•,iiiiii JJ�ii J . J JJ {• Ji JJ.YJiii�J J �JJ JJJJ iJiiJ •Vi+iJJii :�;�;+piJ� •JiJi r� I. ?i. ► ► $ SANDY SILTY CLAY 84 8. SILTSTONE (GREY) 58 32 I I 1 I 1 87 1 I 60 ; BE 1e. ; 89 � 1 1 � 1 Qo 76 _ 4 9 95 aC' 97 98 ao � The stratif;cat 0r lines represent the aporoxima:e boundary lines between sof; and rock types Insitu, the transition may be gradual Water Observatio;,s came Stale110/16t2006 Initial V1/1. I9. T.R.T. Boring Complete 10/1612005 {1pLogged WL By TM Water Checked J 0'16/05 Two Rivers Testing, Inc Approved By TMC LOG OF TEST BORE - 3 (Log 1 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description 7-e. C Sample Type SP 1 N (BLOWS/FT) Water Content (°A) ci _a N O = V J Plastic Index % Passing 4200 Unconfined Strength (psi) Swell ll;tit, I- _ , s Ti; - . +! t.e.. .^io.+lurr;N.., :•_•o:?'+/",c.,.!•. U i 2 3 4 J r. 7 • 0 12 13 14 15 1617 18 20 -, a 23 2« 4... -cI :.s. - '4Z.. 4. . !.. .�' - . . .. . SILTY SAND WITH GRAVEL `.:4:::: `:�'"� 4 r - .,� if - , t'- • iviir.t: r ._..;� .r' .1 Cr fe.td e tor J -I Ire rill at r I SILTY SAND & GRAVEL WITH COBBLE 7 GROUNDWATER.r- The stratification lines represent t-ie approximate ooi.noay lines between soil and rock types Irtsitu the transition may be gradual. Water Observations Two Rivers Testing. Inc. Boring Started 10'1712006 Initial WL: 9T•R•T• ' Boring Cornolete 1U,'S7.f200r Logger By TM Water Checked. j 10117/06 Approved By IMO LOG OF TEST BORE - 3 (Log 2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description rise., SILTY SAND & GRAVEL WITH COBBLE SILTY SAND & GRAVEL WITH LL (7 z3 orn T •l. 5 O 3 C J 5 Q J Plastic Index I c N v a c C - ▪ C) 0 0) D cn M USCS/AAS stars rsics-v;s4061401Walalactielab.; i represent the approximate boun>--w lines between so;; ano rote t,rpes InSittt the transition may oe graouas V1a_er Observations Boring Started Initial WL I 9 Boring Compete VJL i g T.R.T. oggea 8y Water Checked. 10//17/06 _ Two Rivers Testing. Inc L Approved By. 10/17/2006 10(1 7/2006 TM TMC LOG OF TEST BORE - 3 (Log 3 of 4) Client: Dust & Dirt Excavating T Project: ,Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description I G ' = Z r J Water Content (%) [uiY Density (pct) _ L VIA __ H :� Unconfined Strength (psf) Swcn (ps1) r. _QQ r: . — f �� . e - `� - _ i'h -.• . 51 52 54 55 5G 50 p :/ � 62 63 64 O v • 6% 68 ^. 1tiP _ C _ if" 1 a r'.ili7 ••i/^`G i[lri.+ e!C'ra1't{C. _ .W-1 �-. V .w'-.: M SILTY SAND & GRAVEL WITH +�6j+� +�++�-. 42 a r ' } e .ems . : J ra •I �r + + 2 +` ;1'1: +JJ +J �r "I ++ + . ` 1 •• • • 1 COBBLE SILTY SAND & GRAVEL �+rrrrr{• • . •72 SfC h! \ „y t O{\ '• ±�- 6 Si I 1 1 I J 1 1 • '1➢. • i. 1 I : I i . i • 1 1 I I I I I I I I I 1 • •' The stratification h� represent the aparoxlmate b:. ,��As xtween sr• ��c �o�k types tnsrtu. Sao 'r,�;.tlon may be y•adual Ives Water Observations T•R • T. Two Rivers T-- � : Iris � Borsng Started 10'17'2006 ^. t'aI WL c..-. Rorr'g Corralete 10:17/2006 WL. 9 . Logged By TM Water Checked I IC/17106 L,c/r•0vea 3y TMC LOG OF TEST BORE - 3 (Log 4 of 4) Client: Site: Dust 8 Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 i Description Sample type SILTY SAND & GRAVEL SILTSTONE (WEATHERED- BROWN/RUST) SILTSTONE (GREY1 8C 82 83 84 8E 85 87 88 89 90 91 9 93 95 96 97 aR V C C) 6 CJ ctnz o >_ 3 a PlaSUC lfc ex % Passing #200 a V. I.G ..e ae.Cu: l✓AMY' ttes,A•Met 7i bidsea.iv .Rainer.- E► edila. ages20 -'` #!Rd►a". _ '. 1- 687 I- 224 The stratification tines represent the approximate bouncary lines between s; 2nd rock types Insitu. ttie t-ans:tion may be gradual Water Observations Initial WL: 9' WL: O. Water Checked: 10/17/06 T.R.T. Two Rivers Testing. Inc. Boring Started 10/1712006 Boring Cornplete 10i1T'2006 Logged By TM OrOvea ?y TMC LOG OF TEST BORE - 4 (Log 1 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description o C L. c v; a J En E1 Water Content (%) Dry Density (Ix_ I) - Plastic Index % Passing 0200 Unconfined Strength (psi) l 3 ? er f f =s teak*twz"=K-+.cw.r► +rikiriCa+M. Q 1 7 n 7 10 ? 1 12 13 14 15 16 17 18 23 1 ^..2 L .J 54 '. t) eNct:An. arr.,: sc.. ,o ; ,: _. SILTY SAND WITH GRAVEL "4 r .}.11•.':. I I a L i 1 J y 1� •. SlL TY SAND Wt. I . �- MZ ,_ SILTY SAND & GRAVEL WITH „ yy�"' sate aas iJr.ite ?:3:;iii °��4 yyipp° ° i ease; 4.1 4A -fa Jiig� i ;°iJ?J;� ya deatadeaa Jii- iJiJr pJJ./ 'Jliii'J COBBLE GROUNDWATER SILTY SAND c;,. c, '+ ti °�J�i+' ill a Viso iii i4,1:�A ettialia 4:1:1424 ai .6140 tJiiii API i ii ir°J? JiCiii iaciiiii en-. line 6404 0 AS V. let i ,iit e ii i •i .il J?ill JJ* SILTY SAND & GRAVEL WITH COBBLE The siratrflcatton lines represent the approxima1t' �eurda-, res petween soil and r_ci: tyoes rnsitu the transition may be gradual /later Observations rr Two Rivers Boring Stared. 10:,71200E initial VlL 11• .JQ.T. Testing Inc Boring Complete 10/,7,'2005 A'L. 1 1' l egged Ely TM Vater Checked I 10/17/06 Approved By Ttt,MC LOG OF TEST BORE - 4 (Log 2 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description , C _ 4 O Sample Type SPT-N (BLOWS/F1) Water Content (%) Dry Density (pep E a a Plastic Index % Passing #20U Unconfined Strength (psf) a _� to fl - I Q Q U) Cl) ... ...-. ..: .•LAS-_ - _ ,ms-v'=NbiBritiect1girvin ts...7 ac e,..i Y. SILTY SAND & GRAVEL WITH 26 • r1;Ji .T: i4;4 1 1 COBBLE r J 27 •:‘8 G 2q 3+" .1 . 1 3 2 333JJJJJ JJ Ci dsidi1JJ JJJ • r Zei JJ JJJ • 'J?Ji�J tit W O II JJJ*Glade JJJJJJJJ JJJJ Jrrri -. •JJrJJJi o r J J J Jdiioi ea ;.iJieJ4 JrPi SILTY SAND WITH GRAVEL f 36 37 n •l. Jti J,. .11 N ,; ti f .., tiJ�ti•f ?;r'r�iC• 1` 1' f�J . i 1 _ 1 • ;,.'X� ,.7 J,1O. 1 1 .SP , 318; + 22?..: r" 39 ILTY SAND & GRAVEL WITH t." .VJ ;JJa COBBLE JJJr•>J4a 4 J J J 40 41 42 43 1 ,) :�JaJJ°Jr .IJJJJVJJ JV S:e, JJJJJJ • iJiaJJJ Y teoedJa ;.: JJJ JipJ� JJr �J�JV JJJ0 4O tidai 40441 44 JJrJ SANDY SILTY CLAY 1 SILTY SAND & GRAVEL WITH J COBBLE 4545 ,rJJ3J J dv 47 l p `►8 49 . 53 • � rrr r V aJ•JJ?J J�JJr�J� .fir iJJJJ •v �J;r;J JJiJJrJr JJJJ viJrir'v JJJJ1i/ri rJJrrr � JJJ r ,JjJJJ�J •JJ�JJJ iJJ;JrS A J J ' i i I 1 1 The stratification lines reoresen: the approximate (Water boundary eines between ;jit and rook •.yaes Ilsitu tree ?rarls'ticn may be gracua Observations Started 10;17/2006Inital WL 11'i acnng Complete T.R. T. 10;17/2006 I80g WL 11. Logged By. TM 'Water Checked. ( 10/17/06 Two RIv&--s Testing, Inc. ,parovea By TMr LOO OF TEST BORE- 4 (Log 3 of 4 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH 55 COBBLE SILTY SAND & GRAVEL SANDY SILTY CLAY SILTY SAND & GRAVEL SILTY SAND & GRAVEL WITH COBBLE Project: Project No.: Me stratificat,an lines represent the approximate be.,n:ary tines between sot! and rock types Water Observations Initial WL: 11 WL: 11 Water Checked 1 10/17/06 T.R.T. Two Rivers Testing. Inc Slurry Wall Design 2006-201 Lis 5 Q Insitu the transsuon may ae gradual Boring Started. 10/17r2006 Boring Complete 10/17/2006 Loggec By. Tri/ Approved By TMC LOG OF TEST BORE - 4 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Project: Sec 4 Township 5 North Range 65 West Project No.: Description a O a C cis Ct I- a ter Content SILTY SAND & GRAVEL WIN COBBLE SAND & GRAVEL SILTS TONE (WEATHERED- BROWNlRUST) SILTSTONE STONE (GREY) 77 78 79 80 81 82 83 84 85 8P 37 88 89 90 91 92 93 94 95 - 96 97 98 99 100 Slurry Wall Design 2006-201 -J V '4istic Index C CO USCS/AASHTC a ai 56 122 60 31-8• he stratification 'ones represent the approximate boundary lines betweer soil and rock types. Insitu, Ire transi!,cn may he gradua Water Observations 3or �g Started Initial WI 1 1' Boring Complete WL. 1 1 .R.T. Loggea Sy Water Checked. , 0/17/06 Two Rivers Testing Inc Approved By al 7,2006 10o7,2005 TM TMC TY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH GROUNDWATER V SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 1 3 7 U 1n • 1? I`a C'S 2 G 4 L I 4- n 25 Thr_ BS SP 1 Project: Slurry Wall Design 0.9 lines represent the appr0nm3te boundary lines between so.' a':C o:k types Water Observations i Initial WI 1,'VL. Water Checked I 10/25/06 9 T.R.T. Two Rivers Test:nq ;nc. t Irsitu 15 the trans,tior 1may be gradea t Boring Starter 110/25/2006 C Bo,nng Complete 10/25/23O6 poroved By "M Logged By TM LOG OF TEST BORE - 5 (Log 2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description 'ts .. SILTY SAND & GRAVEL WITH COBBLE O a O Project: Project No.: Slurry Wall Design 2006-201 tn E z� ate`) J o -.aEki► otx- !etc.paue «Pads(. C C) O U SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE aS v 03 al N U1 C a. ag c a c IA R ne s'rjtuhcat•nn :t. rep-ese'-t Tht apprex.na c bo r:, ar.. 'es between Stilt and rock types Insitu. tree t:ansdtior may be graoua! Water Observations Initial WL: WL. 9 Water Checked: 10/25/06 T.R.T. Boring Started 10125/2006 Boring Complete 1Cr25/2006 Logged By Approved By - Two Rivers Testing, Inc. TM TMC I Client: Site: LOG OF TEST BORE - 5 (Log 3 of 4) Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SANDY & GRAVEL WITH COBBLE 73 L a 07 C Si S2 53 55 57 58 70 72 74 Water Observations (Mai WL 9 9' Water Checked 10/25/06 Diy Density (pct) % Passing #200 Unconfined C - N a I a 3 U, USC S/AAS Fs TO • 1 • • I Doundari 'nes between spit ano rock 'yaes Insitu. the transition nay be gradual V T.R.T. Two Rivers Testing, Inc. Goring Started Boring Complete• Logged By Approve° By 10/25/2006 LOG OF TEST BORE - 5 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description SILTY SAND & GRAVEL WITH COBBLE SILTSTONE (WEATHERED - BROWN) SILTSTONE (GREYi r 78 79 80 8 82 83 64 85 81; 87 88 89 gr 91 92 93 •l • Dry Density IpcE O N St Cn tf. O a) C C 0 U C 17) c. Tin m C� :1: U, aL amply,a,.:+ielIiYl ear•aYwa-a:. aws.4::•xN ta!w.i x.e tr . "az:., x4 4� .ice.; r ) et& LiVatel red:ir f1•iei i d rt):. ,•?iiray. 278 71 91 88 126 '5 The siratifecation tines represent the approximate boundary lines between soil and rock types 'Aiater Observations Initial MI WL Water Checked ' 10/25/06 9, 9, T.R.T. Two Rivers Testing, Inc Insitu, the transrtic- ma no gradual. Bering StarteC 10/25.'2005 Boring Complete 10/25/2006 '_oggea Sy Ac:Proved By TM TMr LOG OF TEST BORE - 6 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description c c O es"962a.. tit SILTY SAND WITH GRAVEL SILTY SAND SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY GROUNDWATER SILTY SAND & GRAVEL WITH COBBLE SILTY SAND & GRAVEL SILTY SAND & GRAVEL WITH COBBLE Project: Project No.: Slurry Wall Design 2006-201 0 0 ry 44 c N to cc a c t 0 C J d c N a a, U t4 Dtemisaosairwaybricassawnin is J a r - CJ a C to J) The stratification lines represent the approx:nate bCu "flry lines between soil and rock types ins:tu the transition may be gradual Water Observations Initial WL WL Water Checked I 10/24/06 i 15' T.R.T. Boring Started 10/24/2006 Bo►Ing Complete 10/24/2005 Jogged By Approvetl B Two Rivers Testing. Inc y. TM TMC LOG OF TEST BORE - 6 (Log 2 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 I . ...- - ----- --- -... . - - -- vw a ----- • _ LOG OF TEST BORE - 6 (Log 3 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Descri lion p Depth (tt i Imams.. Sample Type �= C1: 4 a. -I to D L 6 L� v goo .r U � _ f, c C z a - � Plastic Index o as C N 2 a �e Unconfined Strength (psi) a n u- th-L - �y�.� Bitit L .� •- . q ty�)\T112J .• ';� .Y..:'.-j.ct-1—inV— +L IOtit; •__ .. - _ SILTY SAND & GRAVEL WITH 51 COBBLE JJ 52 53 .ri r r J VJrJI]a - J J SILTY SAND & GRAVEL Xl'-:: • 56 5 5F 59 . x - ,1:sce v ti} ti J` 43. ft. SANDY SILTY CLAY •='i'i' 60 SILTY SAND & GRAVEL WITH •aJJ a COBBLE 61 JJr J ant 62 63 64 65 66 67 4aiJJp Y.J1ai-J-J JrJaJ°•++ J+ l �a a J + J v 040 • Coon • adeli 44 .1"J �a+ +''+Jid'JJ.i • Jai J JdrJ°J°J iraarJr+ +tee• a rJJJrJ a nil SILTY SAND 68 "Met 69 SILTY SAND & GRAVEL WITH COBBLE • SANDY SILTY CLAY 72 SILTY SAND & GRAVEL WITH 1.1. 4.vsaer - COBBLE - ! Wile J ara�r+ J _eery 1 . :44�J Jr4uJ1J+ : JJaarrad 4.140JJJ• aa J+J JJ +a+ -JaJw 1 1 l . ' :ation lines represent the approximate boundary' nes between sot! and rppi< types Insitu.:he transition may be graaLa: Water Observations Boring Stared 15 TT Boring Complete :::: WI_: 15 Logged By TM Water Cnecked I 10/24/06 Two Rivers Testing. Inc BY TMC pprovec LOG OF TEST BORE - 6 (Log 4 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: ;Sec 4 Township 5 North Range 65 West Project No: j7006.201 Description ,.- - a a Q >. — es :nP� U- •- Oy y c O :10e ?- Z• _ c .. x a: Ct o c I c W n c - O •= y _ n -- v I QQ Q U :r; � '�l_y i'L�ia iA' I fl " 'al r%i dItCrireeMrd:ait - SILTY SAND & GRAVEL WITH 76 i fa COBBLE dada ea J r b 79 80 81 O 82 83 a 4 8JJ . 86 87� ;SitJ aai� raJ Jaa,Ja le 4 .1 aaa 0JJ:7JJ a4aaa1i04 a44J ,JaJ Jaa Jai ilia yya%ar Dya 3i J apJJJai r iadaa aaai 3ae'a�oaaa :11.144: Vaal iaJaJaJ) easiii aaJ J 4 Ja JialeQ id* .►-QS aaa�aJ, p SILTSTONE 88 ia� (WEATHERED- a BROWN/RUSTI ' . 4 89 SILTSTONE (GREY) BS ; 20. l � � l Ias 91 l ; , t 1 I 92 I l , ' 89 93 bJ ! 1 I i 94 95 96 98 99 101 I l l , II a i 11 aeon Imes represent the aoproxtmat2 oocrdar. ,'nes between soil arm rock types :nsitu. the transition may be gradual. Wa:er Observations Instal IVVL 15' WL: 15' Water Checked: i 10/24/06 T.R.T. Two Rivers Testing, Inc. Boring Started: Boring Complete Logged By: Approved By LOG OF TEST BORE - 7 iLog 1 of 4) Client: Dust & Dirt Excavating Project: 'Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description Depth (11.) Sample Type SPT-N (BLOWS/FT) Water Content (%) Dry Density (pci) Liquid I imit Plastic Index % Passing #200 Unconfined Strength (psi) Swell (psl) USCSIMSI ITO I -I' 2 5 G 8 1 11 I 12 13 1a 15 16 1, 1 a 19 20 21 22 •. •• SILTY SAND WITH GRAVEL hf 1 1 • ! � ti: j•�l } `f r r i v • araaadr • �l a•,�,r as .ice ,iiJr aaiaaaia aaiiia'a raa�rJ r • fl,1 agar iJ•�fl/ r� a flair as ?a�av� �o �.�.. aiaraa. • flaadle fla?i:a::a aa)r aaa�r�ia •:}41 r 44 '4 a a 4400 �rrJ.iJ rfa�a+r Vaaa ;ate rya :::::„Ai aa,�� a :Op i M' 404044 440 044 •aaa+ 4+°.11: afla r a �r 3 aaS 3:3:1:?, - Jja a . eta%•aaaaaa aaaar' • 'e J Iaaa flan .taa4 a fl a Q ar Jr aJa,a,,�r J a0a,,aa is SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 0 Groundwater Me ;?-ai,•••cation Ines represent the approximate 1 bcunaary tines between sod and rock types Instill. the transition may be gradual Water Observations T.R.T. Two Rivers Inc_ Bonng Staged. 1024;20Q5 Initial VW: 17' Testing, Boring Complete 10/2412006 Wl. 17' Logged By TM Water Checked' T 10/24/06 Approved By TMC LOG OF TEST BORE - 7 (Log 2 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description Depth (ft ) Sample 1 ype - - O :eater Content ( fo ) Dry Density (pc:l) Liquid Limit Plastic. Index "'o Passing 1200 Unconfined Strength (psf) Swr l (psf) r)3 iii U co -vi atar_c .lea s R '-- c sza sr .-4s. SILTY SAND & GRAVEL WITH v ;P: �qs COBBLE :4'J2J°�a SILTY SAND & GRAVEL zT :'. �vti; 29 30 lJR' :-::::::z. 1J:.V1y ..:t?* :.•.t SANDY SILTY CLAY 31 SILTY SAND & GRAVEL WITH COBBLE _ 34 35 38 39 40 41 42 43 44� OP JJ 1' }' . • � i - JJ ?� SANDY SILTY CLAY 4{ K i 46 47 SILTY SAND & GRAVEL WITH et*: COBBLE c 4a alla - JJJ i1Ja JJJJ a alieli ?iallii*.: aisa I - :;!-2:I.IC3:1_n Ines-_-`-e5er' to app-ox;rate btunoa'r, .-rtes aetween soil and rock types. Insitu. the transition may oe gradua, rI,IiVater Observations Bonng Started 10/24/2006 VJL rill nli►8, i i Boring Complete 10124/2006 •R•T. 3y TM 1I„ia:�r CheCkeU 1 '0/24/06 Two Two Rivers Testing, Inc. Approved By. TMC LOG OF TEST BORE - 7 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description ci 0 a C) E co zc. Project: Project No.: U ispottntes ,{er-CierGX-Vitt” SW as SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY 51 52 53 54 55 56 57 58 59 SILTY SAND & GRAVEL WITH COBBLE 50 SANDY SILTY CLAY 51 52 63 54 65 66 67 SILTY SAND & GRAVEL WITH COBBLE 68 69 70 71 72 73 74 7: s�arrtirweMr Slurry Wall Design 2006-201 J ff ass laslic Index offealerarettirtren-.c I 0 a N I* c K a. a Unconfined c g r CS/AASNTO The seraVtat,on lines represent the approximate boundary lines between so'i arc rock types •nsitu the trars.tion may to gradual Water Observations Flnitlal WL WL. 17' Water Checker 10/24/06 T.R.T. Boring Staled Boring Complete 10/24/2005 10124/2006 Logged By. Two Rivers Testing, Inc Approve() By TM 1PAC LOG OF TEST BORE - 7 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description L a 2) 0 a Cs a ft GLOWS/FT T E_ J 3 a Plastic Index Passing #200 Unconhnea C so a Ot 2) C N a y afrs srie SILTSTONE/CLAYSTONE (WEATHERED -BROWN} SILTSTONE/CLAYSTONE (GREY) I i t! 76 77 78 79 80 81 82 83 84 85 86 67 if? 89 90 91 92 93 94 95 96 97 98 95 100 Yal{ay N WJG(J{J-0A[I BS 63 18.0 33 16! 86 9 CL/A-6 104 i ne stratification lines represent :he Water Observations approximate boundary lines Detweer Initial WL. 17' W L. 17' Water Checked 10/24/06 _ soil and rock types Insituthe transition may be gradual T.K.T. Two Rivers Testing Inc Boring Started 10/24/2006 Boring Complete 10/24/2006 Lagged ay T ti� Approved By TMC a -- _ - - - Water Observations Bortng Started. 10/23/2006 !Mai r r� WL ( 13 T.R. 1Boring Compete 13r23120Q5 WL. 1?'togged By T M Water Chec►ced. I 10/23/06 Two Rivers Testing, Inc AovoveC By TMC LOG OF TEST BORE - 8 (Log 2 of 4 Dust & Dirt Excavating Description SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH ICOaBLE I I SANDY SILTY CLAY T'`_- s:ratifi:ation Ines re�resenl t'ie ap3 r• —hat,: • Water Observations Initial WL WL Water Checked 10/23,06 Project: Slurry Wall Design USCS/AASI Jetween soil and rocK types. Ins:t.. the t!anstion may be gradual T.K.T. Two Rivers Testing, Inc Isor;rc Started. Bonng Complete Logged By pproved By 1023/2006 10.23/2005 T r,� Trvtc, LOG OF TEST BORE- 8 (Log 3 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description d v a 5. ~ U ,- 15 uz C7 Z • F- O C. a r ^ U Ci A0 Z o = J IS 6 �(�wy,�y X y T^ - h :C a c ,y p a U, _ v a a c O C c� e y a -_ s (� t!1 0 r ��r�i!ww ))��yj.�u��a yy,�.�� !�/�v�ry�m...�(�y�.��. V�'-14 JR' t%5 li'.C �i•.' .��Ti.a•F _ . . .. '-: 1 i 4i escstear' • yy.�.��••0`-'yy\j�y5�.�v; fr"I.TrV Wfranr w.�.•.►i/t,�WV'..Igi.I 51 SILTY SAND & GRAVEL WITH COBBLE as+++a+ 52 t, 54 55 56 5 7 r o 58 59 vaaaiai J ' JrJ�i� JaaV V r JJriii+i • ai/,Via,�i JJ�I VaJ aai J�� aaii+Y�,o `iVai+iVV iJ ,aiaiJ raJ+aai aJaaaaai aa+a� SILTY SAND & GRAVEL -- :r :: •':-Y 60 :-.17..-.` SANDY sure Ct.AY ••: 62 63 ...-:•:-...i: :c 1 ••.•:3., BS ; 31 d a 21 1 97.5 20 CL/A-6 64 SILTY SAND 85 66 57 sa .. ''cis .ref ,• ,. •.i ♦'f7 it,,,g k.:, ' 1 ' ' 1 69 r SILTY SAND & GRAVEL WITH COBBLE 70 71 72 - aia'la'a iVJVJJaV 'VJJJJViq SANDY SILTY CLAY 73 ,A, _ iitte SILTY SANG & GRAVEL WITH " ;a' COBBLE " X 4.: .-11:04.: . idea iii Ake, 1 i The ;;7(i,,t,c :tio-' i nes recresent the aooroxsrna:e boundary tines between soli and rock types Irs.tu, the transit on may be gradual Water Observat ons Bonng Staled 17123/20066 Ina.al WL 13 R. ]J' B.,..c celr�Uiete 10/2s/2.005 WL ;3. . . 3y TM Water Checked :0)2s! 06 _ Two Rivers Testing, Inc Testing. Appro_oageve(' Approve(' By i tuff_. r (n O r O r CD M °'- W -1 ` CD 5 -� N to -C . • •7 O p .. O m >. .. a r cc,n D co N m z p ft, < 0 O 90 si n < O —i r' m o u C ii i'..3I. ? X OW W ;n a 41 � al pi r Z o ca co (0-4 c :o ,r es-) co m A w c o al co ' - - -4 -4 Depth (ft ) O 7 3 a so Co �, i, w 1 z fl -1 0) a to x - ,- O 4, o, O ., co 1 o Sample Type rn CJ1 an : n __._.._____.__.-_ ___--__'__.__- C3 iv cc' a cc' cm (c)S f T N N in C ' (V r - .. --I tD pC:j 9 {) (7)Water Content 3 3 co , ca (%) n O CD • 3 ,.....3'7 --- n f7 ; 7..; 0 • Dry Density (pct) rn .7 t3 1) N -- ---- - --'__ . o — r u, Liquid Limit O ro - __ _.- - -- -- ---- - -- - by o * a co n0 Index v O CD a ou 0 0 -- --- -- ---- -- -- ----------_ .1 N .,.� 13 V `Le: = -, 2 �. o sa . 2 % Passing #200 a © o -» _ __ W -‹w m -- - -- - w Y Y r. if to E., a w . Uncoaned c Strength (pst) --1 -4 r•- -- C S-; O O a r:5 r:3 o O vll (pSi) G" f} eA • Sr. w a JSCS /AA SHTO q l 1. y i LOG OF TEST BORE - 9 (Log I of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description ' +5 a1,6 SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH SILTY SAND COBBLE i SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER V SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE C a c 0 C a 0 C I c al c c C) a n C 0n n O d V in C rn it) Water Coservations t`le aopft, -nate b: ; ^. es between so ifid rohc types Insitu the transition rnav oe gradual initial WL WL. 15' Water Checked: I 10/24/06 T.R.T. Two Rivers Testing, Inc I De24,2Jo Boring Complete 10124!2006 oggec By TM Approved By. TMC LOG OF TEST BORE - 9 (Log 2 of 4) Client• Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description Sample I ype SILTY SAND & GRAVEL WITH COBBLE SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE Dry Density (p R a • Passing #2( 7 UJ USCSIAASI-I L Inc s:•at;rnca:icn lines represent Ile appr,,A„T aye bcun:l3P r es be:ween sod and rock types. Insitu, tre transrt.or may c.)e cradca' Nater Observations InitialWL. 9 WL 9 VVater Checked 10/16/06 T.R.T. 1Sorng Started' 9., Y "APn�ti'e� Ey Boring Complete Lo gec D Two Rivers Testing Inc. 10/76/2006 10115/2005 TM TMC Client: Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL SILTY SANDY CLAY SILTY SAND SILTY SAND & GRAVEL WITH COBBLE SILTY SAND & GRAVEL SILTY SAND & GRAVEL WITH COBBLE 'le s!'al firato'1 line Project: Project No.: Slurry Wall Design 2006-201 50 nitial VVL 52 54 -t 56 57 5s 59 61 62 •63 54 J6 68 70 73 74 75 rep'esr !fie 37i'0x r9tee tunda-v rt',?s ie.ee7 so' anc cock types. 1^$it the !ni . .e d 'y�„g� ua 'ater Observations 15' 15' /Vater Checked I 10/24/06 T.R.T. Two Rivers Testing Inc Boring Started' 0/24/2006 Bornrg Cornp;ete 10124,'2005 :_ooged By TM Appraved By TMC LOG OF TEST BORE - 9 (Log 4 of 4 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description M. u z C f.1 SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 7: 7 81 81 82 33 64 5 ILTSTONE- WEATHERED- BROWN!RUST) 87 SILTSTONE-(GREY! 88 .J 22 93 100 J J� J14 raadaJJIr`' 4:44� M:ref: ✓ J J a • &mica c. rr• raii0:J ,za,te a a., ✓ ara - J 4 a. 1_ Jr 4aaa aa JJJ• d J ��J;JJJJ4OJ : •1414:11-42e: , -J D Mastic Index C 0 C c a c a C a 3 SC S/AA S H T c J 122 9 The stratiticat,on :fines represent me approximate bo./ aa'v : nes t,en:'een soil and rock types, insitu. the 'rarSidon may be grad,,a Water Observations Initial WL 13' WL 11* Water Cnecked 10/23/06 T.R.T. Two Rivers Testing. Inc. Boring Started. 1 0/23/2c35 Bonng Complete: 10/23/2006 Logged By TM pprovea By TIC LOG OF TEST BORE - 10 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Description SILTY SAND WITH GRAVEL Groundwater v SILTY SAND & GRAVEL WITH COBBLE 11 SANDY SILTY CLAY 9 SILTY SAND & GRAVEL WITH COBBLE [SILTY SAND SILTY SAND & GRAVEL W:TH COBBLE 10 12 13 a 16 17 18 9 20 71 22 23 4. 5, s'rauficatwn tines represent the approximate Water Observat!ons Project: Slurry Wall Design Project No.: 12006-201 I ones between sa:I and 'ock types. ;ns:t:, the trans,lion may be graclua:. Initial WL 8.5 L 8.5 Water Checked. 1 10/25/06 T.R.T. Boring Staled 10/25/2005 Suing Complete 13!25/2036 L-oggea By Two Rivers Testing Inc. .Aoo-cvea By T5,1 Trams Client: Site: LOG OF TEST BORE - 10 (Log 2 of 4 Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: f Slurry Wall Design 2006-201 Description C a 0 7 a ti a J -4w' W O X U A O O C! C N :a a V C C C U r c Vl C L C C I - a SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 26 2 7 3> 31 32 34 35 36 4 stre•. • Water Observauons J J V aa��Ja paa . E ro <vnal _ ::;unwary lines between sc+l and rock types. I ns�tu, the transitior may oc gradual Initial WL WL. 5 5 85' Water Checked - 10/25/060 T.R.T. Two Rivers i es'tng, Inc Boring Staled 10/25/20O8 Boring Complete 0/25/2006 Loggea By TM Approved By T MC s LOG OF TEST BORE - 10 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a. a y a 5-- a; tee a Z O J water Content .dry Density (pct? J Cr J 'lastic Index Passing #2W. c rt C) a _ C o U San ,— SILTY SAND SILTSTONE (WEATHERED- BROWN/RUST) SILTSTONE (GREY) 76 77 78 79 80 a' 82 83 84 85 86 87 86 89 90 91 93 ;' Y 95 96 97 w- 99 100 The stratification lines represent the approximate thi.--nary lines between soil ann Water Observations Initial WL_ 55' W L: 85 Water Checked 10/25/06 75 a i!) � s ms's •. �" .«'.. .-.�. I' -oCk types T.R.T. Two Rivers Tes:'r: Inc I Insitu, the transition may be graauat. SINSfirsrsersernmai Sonag Started: Boring Complete 10/25/2306 10/25/2026 Logged By TM 4nproved by TMC LOG OF TEST BORE - 11 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: {Slurry Wall Design Project No.: 2006-201 Description C L a t 0 a U a: H C v a irr f SILTY SAND WITH GRAVEL SILTY SAND SILTY SAND & GRAVEL WITH COBBLE 0 1 4 6 7 8 a GROUNDWATER 0 11 12 • GRAVEL WITH COBBLE 14 15 16 19 20 2' 22 23 24 25 Plastic Index C C c. a c u D cc C H Q. J SCS/AASHTC! enas a4 4444 V i 4 i 4444, 444404444. al 44 4 4 4 #4:4• 0004 4 ry 4444 4106034,. i4 440 • 14.104.*: 4404 44444404, 40.040044v 444ia 4 4 a 44v 444 ra* a440a44 . iai444 4 4i a 4v 4r4 :4 4 a v ai Jar i itiY ne stratification tines represent the a, prextcate h ounia-y' nes �etwee:I soi' and rock types 1nsi:u, the transition may be gradual ass Water Observations Initial WL: WL 11' Water Checked: 1 10/16106 T.R.T. Two Rivers Testing Inc Bonng Started 10116,2006 Boring Complete 10/16/2006 Logged By TM Approved By 1MC LOG OF TEST BORE - 11 (Log 2 of 4) Client: Dust & Dirt Excavating Project: Slurry Wall Design Site: Sec 4 Township 5 North Range 65 West Project No.: 2006-201 Description 1 = G 4.1 P"'" y E to CO ►� Z -, I__ a. f!? �..' w C O J N .. ,p U -- FA z' _ E -1 5 .v J X C — I` C. a. C 2 o Gt J 45 - - D U) co a — ' 3 in o U v) ( Rini :Y's."10.fterge_____ J.a. ec..-eriar• i . .."F GRAVEL WITH COBBLE 2€ • "" : .. : 27 29 31 32 3;; 34 3� v 36 • . • 4 • I 0 ■ .. ■ :ti:." •••• •:::. ■ .. . •••• . .28 . :•::. •:. ' . •::: ■ ■ .. . ... . ■ . . . :::: •.. ■ • . •••2••0• . 420. 0.0. •... . . . . .... .. . . ... . •::. •:::. . . . . :: .•.:: • .� :: •:. .. ....: a ..: ISIS ::•:. a... .... : . •. . ...•. S ...• :: . , :::: :::: ::::■.. .. . . • . •: :• . •:: : . .... ' ' ' . : .W :::.• ..:. SILTY SAND & GRAVEL WITH 37 • ... COBBLE aa drd+ v 38 35 4C 41 42 r 2 44 45 4 `I a i�a 9rr; age1,1 J4• 44444.1 i ,.. raaa . del, 04 4 ��,;,• .J,�r1 44 •♦minor♦ ;aiaaJr °a t°a�• i • r•♦••J a r a r inate r a r • rr,i• 4 iiaara a rwadJ J+i / ,ar•rr irrrrr,r aiMir r,it SANDY SILTY CLAY SILTY SAND & GRAVEL 48 f 49 •� } • -'. -C s :' .stir .µ44Nvt<� 1 , 1 I. The stratification Ines -ecresert::re approximate counoary lines between soil and rock types. Insnu, the transition may be gradual Water Observations Boring Started 10/17/2006 initial VVL i 1' R. T. Boring CCmp:ete 10/17/2006I . WL ,,.I Lo �.ggea by TM C re Water ad 10,,'' 06 Pryers Two Plve. s resting. Inc. Acc•cved By TMC LOG OF TEST BORE- 11 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Slurry Wall Design Project No.: 2006-201 Description r T v arn c -, , Z -• y _ I .� v _ Plastic Index '/, Passing #200 Unconfined Strength (psi) s O _ SILTY SAND & GRAVEL i SANDY SILTY CLAY ILTY SAND SANDY SILTY CLAY a C The stratifica:ior'. 1:r --c , - = Ile approximate boundary lines between soi! and rock types insstu. the transitton may oe gracua Water Obserist orns lnitla! WL. 11 WL 11 Water Cnecked: 0/1 7/06 T.R.T. Bourg Sta-tea. -._^ll"" of a 7/2006 Bonng Compie?e 10/17/2006 Logged By TM Two Rivers Testing, Inc. Approved By 1 \17. LOG OF TEST BORE -11 (Log 4 of 4) Client: Dust & Dirt Excavating Site: Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description L CJ SILTSAND 76 SILTY SAND & GRAVEL WITH COBBLE 77 78 7c f f I 81 82 8:. 84 85 SILTSTONE/CLAYSTONE- 4WEATHERED-BROWN/RUST 86 SILTSTONE/CLAYSTONE (GREY) 87 88 89 91 92 93 94 95 96 97 98 99 100 Sample Type O 'ater Canter N — y C J v Q —J Plastic Index % Passing #200 Unconfined 3 • ,wszllesvic gS wooer-orsrlaiShb C5sYtlat'bncolica.r nr 3D 11 86.1 C114-6 L 're st,at,ficateon lines represent :he approximate boundary lines between soli and rock types Insitu. the transit on may be gradual Water Observations Initial WL 11 WL 11 Water Cnecked j 10i1 7/06 T.R.T. Two Rivers Testing, Inc. Boring Started 10;17/2306 Bonng Complete 10/17'2006 Lodged By TM Approved By TMC Water Observations initial WL• w WL. 1T Water Checked O 1 /03 LOG OF TEST BORE - 12 (Log 1 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description Sy a. C SILTY SAND WITH GRAVEL CLAYEY SILTY SAND SILTY SAND SILTY SAND & GRAVEL WITH COBBLE 1 2 • h 8 .'I t• 12 15 GROUNDWATER V 47 8 19 23 22 23 24 "Jr m a a It Project: Project No.: Slurry Wall Design 2006-201 Q 0 C- U P. a; li. C L ital Z Ocli ¢i o v "-c 3 o v 0 0 i` ae c a N ni a C C) c 5_ in U, Thc. scra tta1ion ires reoreseny the aoorcx,m,jt≥ ae:..c: scd anC rock 1y: -)es ,ns& me transition may he gradsa GP Two Rivers Testa!; Irc 3ormg Started' '0;1512006 Boring Compiete '0/'5/200^ Lcgaeci By. TM Approved By TALC LOG OF TEST BORE -12 (2 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description SILTY SAND & GRAVEL WITH COBBLES SILTY SAND WITH GRAVEL SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 0 O a ar a E C,) L O a 'n 47) 3 X C en to A Passing #200 Unconfined Strength (psf) CS/AASH I 26 27 28 2C! J' 33 34 3E 36 38 39 4C 41 42 43 44 47 4R 49 50 ti h }ry Ns The stratification lines rep•esen, the approx;ma:e boar.d,'', ,r :-s ^etween so 3 id rock types ;ns,b the transition may be gradual Water Observations Initial WL 1 WL 17' Water Checked I 10/16/06 1'.R.T. Two Rivers Testin• , Inc. Boring Started: 10/16/2006 Boring Complete 10/1612O06 1 o9gec By TM Approved By IMC LOG OF TEST BORE - 12 (Log 3 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description pArtcv.i.:304tiirrii-restriZIKti-talorPiettegair SILTY SAND & GRAVEL WITH COBBLE SILTY SAND SILTY SAND & GRAVEL WITH COBBLE SILTSTONE/CLAYSTONr. EWEATHERED SILTSTONE (GREYI ~e strut a :J C a r. C U) r f O J Project: Project No.: .J!rC IltuwartwL``iore-F iTtet Dry Density ii c Slurry Wall Design 2006-201 Q' `taste: timex T a C V G L c> C U V1 a 4tItyloastialcra-ITflIr-irr. 127 •,es represent the approximate baunoar ^^.es between son aria rock types t^s:tu. Water Observations trt;t�al WL 17 :hit 1r Water Checked 10/16/06 T.R.T. (wry Rivers Testing. Inc • he transition may be graaual Boring Started. 0/16/2005 Boring Complete 1 011 6/2 006 Logged By t4 Approved By TMC LOG OF TEST BORE - 12 (Log 4 of 4) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description a U BLOWS/FT C. U, 0 Plastic InCCx O O N it c re C- ae Tz St"4ftar4ot'l•WPe irk SILTSTONE (GREY) g if E '5 77 ,8 • q 80 91 92 ••t 95 96 97 99 It:.Aeork lkwwal .•aaefulie sit n a, USCS/AASI • r • 124 • 91 • The S:ratlfiC3h0n lines represent The app^ox:mate ooun al• Ines between soil and rock types lnsitu, Water Oosen at ons lntttal WL 17 VJL. 17 Water Checked. 10/16,106 T.R.T. Two Rivers Testinc In:. the transition may be gradual Boring Staled 10/16/20O6 Boring Complete 10/16/2006 Logged By. TM Approved By TMr" LOG OF TEST BORE - 13 (Log 1 of 4 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description C a, C w a z) a SILTY SAND WITH GRAVEL SILTY SAND & GRAVEL WITH COBBLE 7 SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE GROUNDWATER 0 E Project: Project No.: 11) ` 7OMrJl 40-4• . Slurry Wall Design 2006-201 a o ty k - x C ?` y a Q) "ii:V! J G tr. c1 cu y o '2V N C . C Eli eo c c = O _I 1 O' GO cn ) a Tne stratification lines represent the approximate bounden/ lines between soil ano fen; types, insitu, the transition may be gradual Water Observations Initial VVL 9 W L: 9 Water Checked 10/17/06 T.R.T. Two Rivers Testing. Inc. Boring Started' 10/17/2006 Boring Cornc'iete 10117/200E, Logged By TM Aoaroved By T tv1C ' ; 4t 4, 4., 40 u t t 4 4 t 4 t o o `� ti li 411...o t�L ` '! !.�i •. o•! lilt tttttat4tte4 t FAA. `i�4 c% -tin j �c t� too �a y''4 ,.'�tb •, � . 4`t`t`t�4`4`4 04, ` p �L ` Lit t�y�4 t�,7,�t'y� `�} a• ```LL4444t4L`44 ............ `4b L` t .{, 1'' `4t Ic 4 yz 4 i T ' �. ••w 4 t `�, 4 4 litfb� SILTY SAND & GRAVEL WITH COBBLE _^,e $sfc,.'ij!c6i171 I" 9g represent ^ «_•_- p the a�nr.,x, n,, = cc • ?' ' ,_ , , �,_ ..8er sot and rock I�pes. (ns.t tie transa�on nay oe gradL'a VL12ier Or:c�rv:4h-^c 4 Initial WL 9' WL 9' Water Checked 1011 7ioe T.R.T. TwU Rivers Tes'+Hg. Inc Boring Started 10.'' 7,2006 Boring Complete 10/17/2305 Logged By - TM Approved By TMC s LOG OF TEST BORE - 13 (Log 3 of 4) Client: Site. Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE t a C 51 52 54 35 56 57 58 59 60 61 62 63 64 65 66 67 68 59 71 72 73 74 75 J a as n E co U, Project: Project No.: LL zoIL J a stratification lines repres • . =:c:,•oximate boundary tries aetweer. SDII Water Observations Initial WL.J WL: 9' 9' Water Checked' [ 10/17/06 •Slurry Wall Design 2006-201 E .J 9. J and rock types. ins:tu, the transition may be vacua, T.R.T. Two Rivers Testing. Inc. Benno, Started. Boring Complete Logged By. Approved By: C 07 a. .1) 10/17/2006 toi1712O06 TM ItvC USCS/AASi i 1 _ . - - - - - - -------- II V vatC, vvsei vation5 Boring Staled iW17/2Q06 Initial WL 9fir' Boring Comoiete WL .IQ.�. '0/17/2006 g. Logged By ,3/a, p, Check �.� i 10/17/06 TM Two Rivers Testing Hi: `Approved By TMC LOG OF TEST BORE - 14 (Lo • 1 of 5 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project - Project No.: Slur Wall Desi . n 2006-201 Description a C) C) a r - C, a E ti cn 2 1- C- Zn SANDY SILT SILTY SAND SILTY SAND & GRAVEL SANDY SILTY CLAY SILTY SAVQ SILTY SAND & GRAVEL WITH 11 12 1 c. i _l 1/ 8 19 20 21 22 23 24 - -- Vl %'a win - st.- ... S Ty Density (PC CO' Plastic Index y C 0 U C a C O1 C ne strati`•ca:ion 'Ines represent the apnroxtmate bounla-• ;ines be^,veerI soil and rock types Insitu. the transit on may be gradual. Water Observations Initial WL WL Wa;er Checked 40' 40' -.0,23/C6 T.R.T. Two R:vers Testing Inc Boring Stared - Boring Complete -egged 6y Ap,;Uved ay 10/212006 10/23/2006 TM TAM LOG OF TEST BORE - 14 (Log 2 of 5) Client: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Description errsbasionezotasaminfooR SILTY SAND & GRAVEL WITH COBBLE SILTY SAND WITH GRAVEL GROUNDWATER v SILTY SAND & GRAVEL WITH COBBLE C a O) Q 26 27 28 29 30 1 .2 36 3, 38 39 41 42 43 44 45 46 47 48 49 50 K isti see se st- e. t +t• :; se p iiiatit•: Project: Project No.: Slurry Wall Design 2006-201 C C U G a '` O.v �, X a N C C C) U C y a z d O v a a rtl cn V) m O a ae latas• A 1 C. ca a c C 0) C c 6- n;n Y CA ,3 U SCS/AASF IT lines recresent the approximate boundary lines between soil and rock types. insiIu, the transition may be gradual Water Obse+vat'ons Water Checked l 10/23/06 T.R.T. Two Rivers Testing. Inc_ iBoring Started 10.23/2006 Boring Complete 10/23/2006 Logged By TM pproved By TMC Client: [Dust & Dirt Excavating Site: LOG OF TEST BORE - 14 (Log 3 of 5) Sec 4 Township 5 North Range 65 West Description SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE E L_ a y a 51 52 53 55 Ca 50 62 63 64 65 66 57 68 69 70 71 2 7 I 73 74 75 Project: Project No.: Slurry Wall Design 2006-201 a y C -+ z.J a h - y x :v It c y' - a' 7, a a c r z5 U ? J e -o, Cti 3 O C T1 , rr7 (NC C. J W Cr;rn D -3 C. at D CO- y L` ai raja r 1' aJ J °S• J a u a,ar 0444 aaaaJ rJ 4444 aaa4 a J 4aa 44404 a 4 4 aa'. J a a a r4a�a�Ja a J�aJa -A • The s:. • . j: • fines 'epresent :he a; p' a•;... , .. ,.:ary I. yes oetween coar : t y . I • r,.:.: Water Observations Initial WL. 40' T • `[7 . W L• } 40 1 jZ Water Checked ! 10/23/06 Two Rovers Tesimg, Inc A "'e t-ars1tion tray be gradc:a:. Sonr.g Started. 10/23/2006 Boring Complete 10'?3120066 oggea By yperovea Bo TM LOG OF TEST BORE - 14 (Lo9 4 of 5) Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Slurry Wall Design Project No.: 2006-201 Description C. e) O z a; U z 0 ~ J SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY ILTY SAND & GRAVEL SILTY SAND & GRAVEL WITH COBBLE 77 78 79 80 81 82 83 85 tra O O J V C x v U cn s cc Cs flee•' =; elle"oRlaKI0:.`RIionK3R•'S''>•9y +i1S1!Cf-'.�f` i5me; 88 1 Jrlj 89 :.1`•f.f•::• w�JYJ ess SO A armies 91 92 4' 93 94 95 yo ::Q I 4 ) r hg stratification lines represent t the 3pa"Jx:nate bcJricary '‘n'_s uetweer so:; and rock types Insitu the transition may De grad..a Water Observations Unconfined a C 7r, U, a 3 U U, In►tal WL WL Water Checkea 10;23;06 40 40' Two Rivers r esti-': Boring Started Boring Comoiece Loggea By Approved By LOG OF TEST BORE - 14 (Log 5 of 5) Client: Site: Dust & Dirt Excavating Project: Sec 4 Township 5 North Range 65 West Project No.: Description r a a C e,.'4 SILTY SAND & GRAVEL WITH 101 COBBLE SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE SANDY SILTY CLAY 102 103 104 105 106 107 108 :09 1 1 J '11 SILTY SAND & GRAVEL WITH COBBLE 112 "13 114 115 116 117 118 119 120 121 122 •23 124 "2Y a i C ca E O ea Dry Density (pc Slurry Wall Design 2006-201 -J a a !astir. Index %+ Passing #2(M ,frcngih (psi) The strart:ca:ion 'Ines reoresen• :re aprroxiriate no!)r.z:ary (Ines between soil and rock !vpes Irlsitu, (re transition may be graduaammaisms Water Observations Initial WL !40' Lao' WL Water Checked 10/23/06 T.R.T. Two Rivers Testing, inc Boring Started a. 10423/2006 Boring Complete 10/23/2006 Logged By TM Atornved By TMC LOG OF TEST BORE - 15 (Log 1 of 5) Site: Sec 4 Township 5 Client: Dust & Dirt Excavating North Range 65 West Description L Q.? a C. co SILTY SAND WITH GRAVEL SANDY SILTY CLAY SILTY SAND WITH GRAVEL 21 22 23 24 25 The strat1ficatton Imes •eoresent the ep:---x Water Observations Initial WL Water Checked 35, 35. '1 .73 r3r2i Project: Project No.: U 0 Slurry Wall Design 2006-201 laslle; Index it c to SO c U, USCS/AASH T • soil anu ; crc types Insitu. the trans lion may be gradual T.R.T. Two Rivers Testing. Inc. Boring Started 10/23/2006 Boring Compete 10%23.2005 Logger; By Approvec By' TM MC J Client: [Dust & Dirt Excavating Site: LOG OF TEST BORE - 15 (Log 2 of 5 Sec 4 Township 5 North Range 65 West Description a 0 SANDY SILTY _AY SILTY SAND WITH GRAVEL SANDY SILTY CLAY ISILTY SAND & GRAVEL WITH COBBLE P. GROUNDWATER I I M i i v 26 27 26 7g 3' 35 36 37 38 39 40 41 4? 44 45 46 47 48 49 50 a } i c rn Project: Project No.: Water Content Slurry Wall Design 2006-201 a' laslic Index ne stralir;catzo; 'vies represet !he aoc):c-t.m a _ -cane .'"3s ^u'ween soh anC rock types Insitu. he transit Water Observations initial WL. 35 WL. 35' Checked 10123,06 T.R.T. Two Rivers i esttng, Inc. Unconfirred C a t a, c a, on may be graoua C 0 3 u SC S/AASH Boring Started 10/23/2006 Bonny Complete. 40/2312006 Logged By TM Approved By T MC LOG OF TEST BORE - 15 (Log 3 of 5) Client: Site: Dust & Dirt Excavating Project: Sec 4 Township 5 North Range 65 West Project No.: Description .`r r 01 0 SILTY SAND & GRAVEL WITH COBBLE -.s-aMq ?:t..wircy: j- L _ 4 Slurry Wall Design 2006-201 'quid Limo Plastic Index Yo Passing #200 Uncunhned C, 3 JSCS/AASH1 �~e st; atifica' r lines recresent the a2prox;ma'e :any sines betwee^ soli and rock types :ns.tu_ the transit on may be ^yradeat Water Observations Initial WL:: WL: Water Checked 1 35' 35. '&23/06 T.R.T. Two Rivers Testing. Inc Boring Sta'lec Boring Complete 10/23/2006 10/23/2006 .ogged By TM Approved By TMC LOG OF TEST BORE - 15 (Log 4 of 5) Client: Site: Dust & Dirt Excavating Project: Sec 4 Township 5 North Range.65 West Project No.: Description L a SILTY SAND) & GRAVEL WiTH 76 COBBLE SILTY SAND WITH GRAVEL SANDY SILTY CLAY SILTY SAND & GRAVEL WITH COBBLE 96 97 98 77 78 79 80 81 82 33 84 85 86 87 88 89 90 91 92 53 34 95 99 100 beiti S Slurry Wall Design 2006-201 C C- a. The stratrf:ca:ron :Ines represent the apercx "-ate. bounaar Water Observations Initial WL WL 35' 35' Water Checked. 1 1O/23/06 me$ Dety ee : so:; ar.c reek types Insitu, the transition may be gradua T.R.T. 1Borin L g Staled: 99 Y Boring Co„np'ete o ed B Two Rivers Testing, Inc. pvraved By 10/23/2006 10/23/2006 M LOG OF TEST BORE - 15 (Log 5 of 5 Client: Site: Dust & Dirt Excavating Sec 4 Township 5 North Range 65 West Project: Project No.: Slurry Wall Design 2006-201 Description C L_ C a J Z F cn z3 - O Dry Densely (pcf 3 :J Plastic Index Passing #200 Lnicontined Q) C a, 65 USCS/AASH ,r SILTY SAND & GRAVEL WITH 101 COBBLE 102 1 n: 0. 10 10.7 1 11 1 SILTSTONE (WEATHERED - BROWN) 112 I JSILTSTONE (GREY) 113 114 115 116 117 8 119 120 122 • ) . .'fie lCLap4G ear The Stratification uses represent ire abdrox,mate boundary lines cetweer sc.. and rack types !nsitu, the transition may be gradua: Water Observations In�t�a� WL. 35' 'AlL. 35' Water Checked 10/23/06 T.R.T. Two Rivers Testing, Inc Boring Staled • 1C/21/2006 Boring Complete 100123/2006 Logged By TM Approved By TM.C Ms. Darcy Tiglas 5015 Swainsona Drive Loveland, CO 80537 DEPARTMENT OF THE ARMV CORPS OF ENGINEERS, OMAHA DISTRICT DENVER REGULATORY OFFICE. 9307 SOUTH WADSWORTH BOULEVARD I .Ism .ETON COLOR A I Xi so IZS-WO I May 18, 2006 RE: Approved Jurisdictional Determination, Derr Gravel Pit Corps File No. 200680278 Dear Ms Tiglas: Mr. Terry McKee of my office has reviewed this project during his May 17, 2006 site visit. This project is located the NE VI of Section 4, T5N, R65W, Weld County. Colorado. This review was in accordance with Section 404 of the Clean Water Act under which the U.S. Army Corps of Engineers regulates the discharge of dredged and fill material, and any excavation activities associated with a dredged and fill project, into waters of the United States. Waters of the United States include ephemeral, intermittent and perennial streams, their surface connected wetlands and adjacent wetlands and certain lakes, ponds, irrigation and drainage ditches that have a nexus to interstate commerce. Approved Jurisdictional Determination: Based upon the ruling by the Supreme Court in the matter of Solid Waste Agency of Northern Cook County v. U.S. Army Corps of Engineers, No. 99-117K (January 9, 2001), the Department of the Army's (DA) regulatory authority over isolated, non -navigable, intrastate waters has been eliminated if the sole nexus to interstate commerce was use of the waters by migratory birds. It is apparent under the ruling above that the DA does not have the authority to regulate work in the Community A and Community B wetlands at this site. These wetlands are not waters of the U.S. and therefore non -jurisdictional. No Department of the Army permit or other authorization by my office is required for work in these wetlands. This letter contains an approved jurisdictional determination for your subject site. if you object to the determination, you may request an administrative appeal under Corps regulations at 33 CFR Part 331. Enclosed you will find a Notification of Appeal Process (NAP) fact sheet and Request for Appeal (RFA) form. If you request to appeal this determination you must submit a completed RFA form to the Northwestern Division Office at the following address: Mores Bergman, Appeal Review Officer US Army Corps of Engineers Northwestern Division 12565 West Center Road Omaha, Nebraska 68144-3869 Telephone (402) 697-2533 Fax Number (402) 697-253S In order for an RFA to be accepted by the Corps, the Corps must determine that it is complete, that it meets the criteria for appeal under 33 CFR part 331.5, and that it has been received by the Division Office with in 60 days of the date of the NAP. Should you decide to submit an RFA form, it must be received at the above address by July 14, 2006. Although a DA Permit will not he required for work in this wetland. this does not eliminate the requirement that other applicable federal, state, and local permits he obtained as needed. This jurisdictional determination is valid for a period of five years from the date of this letter unless new information warrants revision of the determination. If you have any questions call Mr. Terry McKee at (303) 979-4120 and reference Corps File No. 200680278. Sincerel' . et g J. Scott Franklin Chief, Denver Regulatory Office tm JURISDICTIONAL DETERMINATION Revised 8/13/04 [ I S Army Corps ul fingineeus DISTRICT OFFICE: Omaha District Denver Regulatory Office FILE NUMBER: 200680278 PROJECT I.O('.1TION INFORMATION: State: Colorado County: Weld Center coordinates of site (latitude -longitude): 40 25 48 104 39 59 Approximate size of area (parcel) revs lessen, including uplands- M) ,secs. Name of ncarest waterway. Uachc la Pandit River Name of watershed: Cache la Poudre it RISDICTiONAL DETERMINATION Completed: Desktop determination ❑ Date. site visitt.t ® i)ate(sr may 17,2_06 Jurisdictional Determination (JD): ❑ Preliminary JD - Based on available information. O there appear to he (or) ❑ there appear to he no "waters of the l )mtcd States" and: or "navigable waters of the United States" on the project site. A preliminan in is not appealable (Reference 33 CFR part 331). ® Approved JD - An approved JD is an appealable action t Re. rence 3? CFR part 11 i ►. Cheek all that apply: • n Tlre•rc are "nas rgahic waters of the United States" (as defined by i t Flt part ;.e) and assoc4tted guidan:e) within the reviewed area. Approximate size cif jtu•isdict:coral area: _ f j There are "waters of the United States" (as defined by 33 CFR part 32.8 and associated guidance) within the reviewed area. Approximate size of jurisdictional area: ® There an. "isolated. nu►r-n.rt'ignh/c•, inter. -elate waters or wetlands" within the rcc towed area. ® (Decision supported by SW AN('('/Migratory Bird Ru!e information Sheet for Determination of No Jurisdiction. BASIS OF JURISDICTIONAL DETERMINATION: A. Waters defined under 33 CFR part 329 as "navigable ss aters of the United States": O The presence of waters that are subject to the ebb and floss of the taste and or arc presently used, or have been used in the past. or may be susceptible for use to transport interstate or foreign commerce. B. Waters defined under 33 CFR part 328.3(a) as "waters of the United States": ❑ ( i) The presence of waters. which are currently used. or ss cry used in tit. least, or may he susceptible to use :n interstate or foreign commerce, including all seaters which arc subject to the ebb and flow of the title. ❑ (2) The presence of interstate waters including interstate wetlands'. ❑ (3) The presence of other waters such as intrastate lakes, rivers, streams (including intermittent streams), mudtlats, sandflats, wetlands, sloughs, prairie potholes. cwt meadows. playa lakes, or natural ponds, the use, degradation or destruction of which could affect interstate commerce including any such waters (cheek all that apply): (i) which are or could be used by interstate or foreign travelers for recreational or other purposes. (ii) from which fish or shellfish are or could be taken and sold in interstate or foreign commerce. which are or could he used for industrial purposes hs industries nr interstate commerce (4) Impoundments of waters otherwise defined as waters of the US. (5) The presence of a tributary to a water identified in ( I ) - (4 above (6) The presence of territorial seas. (7) The presence of wetlands adjacent' to other waters of the I TS, except fur those wetlands adjacent in other wetlands. Rationale for the Basis ofJurisdietional Determination (applies to any hoses checked above). If the juricrlic-tinaul water or wetland i s not itself a navigable water o/ the United States, describe connection/s) to the downstream navigable waters. If B(1/ or B(3) is used as the Basis of Jurisdiction. document navigability andmr interstate commerce corrncc:iorn (i c.. discuss site eundition.v. including why the wales -body is ► avagable usu/'nr how the deso7tction of they ;aainto % could affect interstate or foreign commerce). JT B('. 4. ! or fit is wed as the Basis er/ Jurisdiction. document the rutionalr used to make the determination. At 7) is used as the Batts o! Jurisdiction. docuna',zr the ratinr:ale• used to 'rake adjaceuct determination O O Lateral Extent of Jurisdiction: (Reference: 33 CFR parts 328 and 329) O Itigh Tide Line indicated by: O O O O ❑ Ordinary High N• ater Mark indicated by: ❑ clear. natural line impressed on the bank ❑ the presence of litter and debris O changes in the character of soil destruction of terrestrial vegetation shelving other oil or scum line along shore objects tine shell or d 'kris deposits (foreshore.) physical nrtrktngsichartcteristtcs t:dal gages uther• fl Mean High Water Mark indicated by: fl survey to available datum; 1 1 physical markings; O vegetation lines, changes insegetatinn types. O Wetland boundaries, as shown on the attached wetland delineation map and/or in a delineation report prepared by: I Basis For Not Asserting Jurisdiction: The reviewed Brea consists entirely of uplands Unable to confirm the presence of waters in 33 CFR pan 328(2)(1, 2. or 4-7). Headquarters declined to approve jurisdiction on the basis n113 CFR part 328.3(a r(3). The Corps has made a case -specific determination that the following waters present on the site arc not Wilms 'if the United States: Waste treatment systems, including treatment ponds or lagoons. pursuant to 33 CFR pan 328.3. Artificially irrigated areas, Nhich would revert to upland if the irrigation ceased. Artificial lakes and ponds created 1w excavating and or diking dry land to collect and retain water and which arc used exclusis ely for such purposes as stock watering. irrigation, settling basins, or rice growing. ❑ Artificial reflecting or slimming pools or other small ornamental bodies of water created by excavating and/or diking dry land to retain water for primarily aesthetic reaions. 0 Water -filled depressions created m dry land incidental to construe:ion actinand pits excavated in do :and for the purpose of obtaining liii. sand, or gravel unless at:.t until ti:e ctnstruc:nr. or excawtzion operation is abandoned and the resulting body of eater meets the definition of waters of the tinned Sates four. at ?? CFR 328.3(a). Isolated, intrastate wetland with no nexus to interstate commerce Prior converted cropland, as determined by the Natural Resources Consenanon Service. Explain rationale: Non -tidal drainage or irrigation ditches excavated on dry land Explain rationale: Other (explain): Community A and Community Betlalids are neither adjacent to nor surface connected to a waters orthe i.S. DATA REVIEWED FOR JURSIDICTIONAI. DETERMINATION Imark all that apply): ® Maps. plans, plots or plat submitted by or on behalf of the applicant. ® Data sheets preparcd)submitted by or on behalf of the applicant. O 1 his office concurs with the delineation report, dated _May 2006 ,prepared by (company): Darcy Tiglas O This office does not concur with the delineation report, dated , prepared by (company): Data sheets prepared by the Corps. Corps' navigable waters' studies U.S. Geological Survey Ilydrolugic Atlas: U.S. Geological Survey 7.5 Minute Topographic maps: Greeley U.S. Geological Survey 7.5 Minute Histonc quadrangles U.S. Geological Survey 15 Minute Ilistoric quadrangles USDA Natural Resources Conservation Service Soil Stine National wetlands inventory maps: State/Local wetland inventory maps: FEMA.'EIitM maps ("vlap Name x Date): I00 -year Floodplain Elevation is: (NGVU) Aerial Photographs (Name & Date): Figure 3 February 2006 Other photographs (Date): no date Advanced Identification Wetland maps: Site visit detenninaittin conducted on: May I ". 2006 Applicablcisupponing case law: Other information (please specify): 0 0 S 'Wetiands are identified and delineated using the methods and criteria established in the Corps Wetland Delineation Manual IS? Manuals h.e , occurrence of hydrophytic vegetation. hydric soils and wetland hydrology). 2The term "adjacent" means bordering. contiguous. or neighhcsnnv. Wetlands separated from other waters of the t I.S. by man-made dikes or harriers, natural met berm, lynch dunes, and the Ilk: arc also adjacent NOTIFICATION OF ADMINISTRATIVE' APPEAL OPTIONS AND PROCESS AND.REQUEST FOR APPEAL pplicant: Derr Gravel Pit I File Number: 200680278 Attached is: 4' , INITIAL, PROFFERED PERMIT (Standard Permit or Letter ofjermission) PROFFERED PERMIT (Standard Permit or Letter of permission) PERMIT DFNIAL APPROVED JURISDICTIONAL. DETERMINATION PRELIMINARY JURISDICTIONAL DETERMINATION Date: May 17. 2006 See Section below A B C l) E SECTION I - The following identifies your rights and options regarding an administrative appeal of the above decision. Additional information may be found at http://usace.army.mil/inctifunctions/cw/cecwolreg or _nrps__reg rations at 13 CFR Part 331 A: INITIAL PROFFERED PERMIT: You may accept or object to the permit. ACCEPT: it' you received a Standard Permit, you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the i.OP means that you accept the permit in its entirety, and waive all ridus toy appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit. OBJECT: if you object to the permit (Standard or LOP) because of certain terms and conditions therein, you may request that the permit be modified accordingly. You must complete Section II of this form and return the form to the district engineer. Your objections must be received by the district engineer within 60 days of the date of this notice. or you will forfeit your right to appeal the permit in the future. Upon receipt of your letter, the district engineer will evaluate your objections and may: (a) modify the permit to address all of your concerns, (b) modify the permit to address some of your objections, or (c) not modify the permit having determined that the permit should he issued as previously written. After e\aluating your of cetions. the district engineer will send you a proffered permit for your reconsideration. as indicated in Section B below. PROFFERED PERMIT: You may accept or appeal the permit ACCEPT: It' you received a Standard Permit. you may sign the permit document and return it to the district engineer for final authorization. If you received a Letter of Permission (LOP), you may accept the LOP and your work is authorized. Your signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit. APPEAL: ifyou choose to decline the proffered permit (Standard or LOP) because of certain terms and conditions therein. you may appeal the declined permit tinder the Corps of Engineers Administrative Appeal Process by completing Section Ii of this form and sending the form to the division engineer. This form must he received by the division engineer within 60 days of the date of this notice. C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this form and sending the form to the division engineer This form must he received by the division engineer '.� ithin 60 days of the date of this notice. D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or provide new information. • ACCEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the date of this notice, means that you accept the approved JD in its entirety, and waive all rights to appeal the approved M. • APPEAL.: 1f you disagree with the approved .11). you may appeal the approved JD under the Corps of Engineers Administratk Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the date of this notice. F: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps yarding the preliminary JD. The Preliminary JD is not appealable. If you wish, you may request an approved (which may he appealed), by contacting the Corps district for further instruction. Also you may provide new inthrmation for further consideration by the Corps to reevaluate the JD. SECTION II - REQUEST FOR APPEAL or OBJECTIONS TO AN INITIAL PROFFERED PERMIT REASONSFORAPPEAL OR OBJECTIONS: (Describe your reasons for appealing the decision or your objections to an initial proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons objections are addressed in the administrative record.) ADr)IT1ON. l INFORM ATION: The appeal is limited to a review oldie administrative rc,:urd. the Core memorandum fur the record of the appeal conference or meeting. and any supplemental information that the review officer has determined is needed to clarify the administrative record. Neither the appellant nor the Corps may add new information or analyses to the record. However, you may provide additional information to clarify the location of information that is already in the administrative record. POINT OF CONTACT FOR QUESTIONS OR INFORMATION: If you have questions regarding this decision and: or the appeal If you only have questions regarding the appeal process you may process you may contact: also contact: Timothy T. Carey Chief, Denver Regulatory Office 9307 South Wadsworth Boole% and Littleton, C'O 8012M (303) 979-4120 US Army Corps of Engineers Northwestern Division Attn: Mores Bergman, Appeal Officer 12565 West Center Road Omaha. Nebraska 68144-3869 Telephone (402) 697-2533 RIGHT OF ENTRY: Your signature below grants the right ot'entiy to Corps of Engineers personnel, and any government consultants. to conduct investigations of the project site during the course of the appeal process. You y► ill be provided a 15 day •'ice of any site investigation, and will have the opportunity to participate in all site investigations. EXHIBIT L Reclamation Cost A phased and cumulative bonding approach has been provided for the Derr Pit Project. The required financial warranty amounts have been provided to reflect the phasing and quantities. Below is a summary table of the financial warranty required for each phase and the cumulative financial warranty required as the mining progresses through the phases. Additional Financial Warranty Required Cumulative Financial Warranty Phase 1 $1,883,768 J $1,883,768 Phase 2 $24,505 $1,908,273 Phase 3 $29,401 $1,937,674 Phase 4 $33.485 $1,971.159 Phase 5 $3.442.751 $5.413,910 Phase 6 $55.037 $5,468.947 Phase 7 $98,855 $5,567,802 These amounts assume that no reclamation activity has occurred. As each new phase is started. the financial warranty for that phase will be posted with the Division. When a phase has been reclaimed. inspected, and accepted by the Division, the associated financial warranty for that phase will then be reduced/released to 20% of the financial warranty required for that phase. Please see the attached calculations for details of the costs and quantities used to determine the financial warranty required for each phase of mining. S I J&T Consulting, Inc. Den- Pit Project DBMS 112 Permit Amendment J&T Consulting, Inc. Reclamation Bond Quantities and Costs © 2018 jaT Conanitina. Inc. Broken Arrow Investments, LLC Derr Pit 6/8/2018 tpy Summary of Unit Costs Direct costs Re -applying topsoil 6" thick Revegetating disturbed area Dewatering full pit Slurry Wall Cost (61 foot average depth @ $4.80/ft) Perimeter Drain Scarifying Ground Mobilization Overhead and Profit Costs Liability insurance Performance bond Profit Project Management Engineering and bidding Management and administration Total Overhead Cost Total Additional Cost $1,800.00 $1,000.00 $200.00 $293 $20 $200 $2,500 1.55% 1.05% 10.00% / acre / acre / million gallons / linear foot / linear foot / acre lump sum of direct cost of direct cost of direct cost 12.60% of direct cost 4.25% of direct cost 5.00% of direct cost 9.25% of direct cost IJ&T Consulting, Inc. Reclamation Bond Quantities and Costs 2018 J&T Consulting, Inc. Broken Arrow Investments, LLC Derr Pit 6/8/2018 tpy Phase 1 (6 92 acres) Reclamation Operation Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Slurry Wall Required to Close Phases 1-4 Perimeter Drain Dewatering of Phase 1 Area Mobilization Quantity Unit Unit Cost Cost 0.6 ac 0.6 ac 06 ac 4,922 If 3,450 If 79.4 Mil. Gal. 1.00 Is $200 $1,800 $1.000 $293 $20 $200 $2.500 $120 $1,080 $600 $1.442.146 $69,000 $15 880 $2.500 Total Direct Cost $1,531,326 Overhead and Profit Cost (12.60%) $192.947 Contract Cost $1,724.273 Project Management (9.25%) $159 495 Financial Warranty Required For Phase 1 $1,883,768 Phase 2 (6 81 acres) Reclamation Operation Quantity Unit Unit Cost Cost Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Dewatering of Phase 2 Area Mobilization 0.6 ac 06 ac 0.6 ac 78.1 Mil. Gal. 100 Is $200 $1 800 $1.000 $200 $2500 $120 $1, 080 $600 $15,620 S2.500 Total Direct Cost $19,920 Overhead and Profit Cost (12.60%) $2.510 Contract Cost $22 430 Project Management (9.25%) $2.075 Additional Financial Warranty Required For Phase 2 Cummulative Financial Warranty Required For Phases 1-2 $24, 505 S1,908,273 Phase 3 (8.21 acres) Reclamation Operation Quantity Unit Unit Cost Cost Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Dewatering of Phase 3 Area Mobilization 0.7 ac $200 0 7 ac $1.800 0.7 ac $1000 96.5 Mil. Gal $200 1 00 Is $2 500 $140 $1.260 $700 $19.300 $2.500 Total Direct Cost $23.900 Overhead and Profit Cost (12 60%) $3.011 Contract Cost $26.911 Project Management (9 25%) $2 489 Additional Financial Warranty Required For Phase 3 Cummulative Financial Warranty Required For Phases 1-3 $1.937,674 $29,401 LJ&T Consulting, Inc. 1 Reclamation Bond Quantities and Costs © 2018 J&T Consulting, Inc. Broken Arrow Investments, LLC Derr Pit 6/8/2018 tpy Phase 4 (9 90 acres) Reclamation Operation Quantity Unit Unit Cost Cost Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Dewatering of Phase 4 Area Mobilization 08 ac 0.8 ac 0.8 ac 111.6 Mil Gal S200 $1,800 $1,000 $200 1.00 Is $2,500 $160 $1,440 $800 $22.320 $2,500 Total Direct Cost Overhead and Profit Cost (12.60%) Contract Cost Project Management (9.25%) $27.220 S3 430 S30 650 S2 835 Additional Financial Warranty Required For Phase 4 Cummulative Financial Warranty Required For Phases 1-4 533,485 51,971,159 Phase 5 (13.94 acres) Reclamation Operation Quantity Unit Unit Cost Cost Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Slurry Wall Required to Close Phases 5-7 Perimeter Drain Dewatering of Phase 5 Area Mobilization 10.3 10.3 10.3 8,964 5.430 150.9 1.00 ac ac ac $200 $1,800 $1.000 If $293 If $20 Mil Gal $200 Is $2.500 52.060 $18..540 $10.300 $2.626.452 $108.600 $30.180 $2.500 Total Direct Cost $2.798.632 Overhead and Profit Cost (12.60%) 5352.628 Contract Cost $3.151.260 Project Management (9.25%) $291.492 Additional Financial Warranty Required For Phase 5 Cummulative Financial Warranty Required For Phases 1-5 53„442,751 $5,413,910 Phase 6 (11 67 acres) Reclamation Operation Quantity Unit Unit Cost Cost Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Dewatering of Phase 6 Area Mobilization 47 ac 4.7 ac 4.7 ac 140.7 Mil. Gal. $200 $1,800 $1,000 $200 1, 00 Is $2.500 $940 $8460 $4.700 $28 140 $2.500 Total Direct Cost Overhead and Profit Cost (12.60%) $44740 $5.637 Contract Cost Project Management (9.25%) $50.377 $4.660 Additional Financial Warranty Required For Phase 6 Cummulative Financial Warranty Required For Phases 1-6 $5,468,947 S55,037 JET Consulting, Inc. Reclamation Bond Quantities and Costs 2018 J&T Consulting, Inc. Broken Arrow Investments, LLC Derr Pit 6/8/2018 tpy Phase 7 (17 75 acres) Reclamation Operation Quantity Unit Unit Cost Cost Active Mining Area Scarifying Disturbed Area Topsoil Placement Disturbed Area Revegetate Disturbed Area Dewatering of Phase 7 Area Mobilization 13.1 ac 13.1 ac 13.1 ac 192.8 Mil. Gal. 1.00 Is $200 $2,620 $1,800 $23,580 $1,000 $13,100 $200 $38,560 $2,500 $2,500 Total Direct Cost $80,360 Overhead and Profit Cost (12.60%) $10,125 Contract Cost $90,485 Project Management (9.25%) $8.370 Additional Financial Warranty Required For Phase 7 Cummulative Financial Warranty Required For Phases 1-7 $5,567,802 $98, 855 GREAT LAKES ENVIRONMENTAL & INFRASTRUCTURE May 22nd, 2018 Mr. Randy Geist Loloff Construction Inc. c/o Global Asset Recovery, LLC 801 8'h Street Greeley, Colorado 80631 Sent Via Email: rrgeist2@aol.com Subject: Dear Mr. Geist, Budget Price Proposal for Cutoff Wall Construction Derr Gravel Pit —Slurry Wall Greeley, Colorado GLEI.COM 3541 Teasley Lane. Suite 200 DENTON TX 76210 Great Lakes Environmental & Infrastructure, LLC (Great Lakes E&I) is pleased to submit this budgetary proposal for the installation of the Soil Bentonite Slurry Cutoff Wall at the above referenced project. It should be noted that due to the nature of the project, limited information and timeline, Great Lakes E&I is providing this pricing strictly as budgetary basis. Great Lakes E&I has extensive experience in the installation of cutoff walls and can assemble a team focused on providing Loloff Construction Inc /Global Asset Recovery. LLC (LCI) with the exact knowledge and experience necessary to construct the slurry wall at your site. SCOPE OF WORK The scope of work consists of mix design and construction of approximately 4920 feet long Soil-Bentonite Slurry Wall keying into the aquitard or confining layer at an estimated average depth of 61 feet below a prepared work platform per the general information provided. The proposed Slurry Cutoff Wall would be installed using conventional methods consisting of excavating the cutoff wall from a prepared work platform using a long reach excavator. It should be noted that the use of hydraulic clamshell bucket or drop chisel has not been included in this budgetary cost estimate. The required work pad width will need to be 70 -feet to 80 -feet. Great Lakes E&I has not review the exploration logs for the project at this time but has previous experience on an adjacent property as such this general experience has been used to develop the budgetary cost. Imported supplemental material will be required to augment excavated soils and produce the soil-bentonite backfill. Typically this can be supplied from the overburden materials from former mining operations and will be handled by others. Details of the proposed mix design and construction methods would be included in a prepared work plan that would be site specific for the project. SCHEDULE We estimate that the cutoff wall will be completed in accordance with the following schedule: • Mix Design and Reporting: 4 Weeks • Mobilization: 1.5 Weeks • Slurry wall construction: 9 Weeks • Demobilization: 1 Week The schedule is based on working six days per week and ten to twelve hours per day utilizing two concurrent headings. BUDGETARY PRICING The budget prices for the cutoff wall construction are as follows: ITEM NO. DESCRIPTION ESTIMATED QUANTITY UNIT UNIT PRICE EXTENDED TOTAL 1 Slurry Wall Mix Design and Reporting 1 LS $ 7,000.00 $ 7,000.00 2 Mobilization, Site Preparation, Assembly and Demobilization of necessary labor, Materials, and Equipment, as required 1 LS $ 180,000.00 $ 180,000.00 3 Soil-Bentonite Slurry Wall Construction with the average depth of 61 -feet below prepared work platform surface 300,175 SF $ 4.10 $ 1,230,717.50 4 Water Treatment for Source Water 300,175 SF $ 0.07 $ 24,850.00 Total Budgetary Proposal Amount $ 1,442,567.50 SERVICES TO BE PROVIDED BY OTHERS • A representative composite soil sample from the proposed alignment for preconstruction mix design testing. • Provide supplemental fill material as required (estimated to be 25000 -cubic yards) for the installation of the slurry wall if needed • Work pad construction providing a stable, level work platform capable of supporting our excavation and backfill equipment will be required. GREAT LAKES ENVIRONMENTAL & INFRASTRUCTURE 2 • Storm water pollution prevention and environmental protection. • Underground utility locate, removal and/or replacement. • Construction of the permanent cap for cutoff wall. Great Lakes E&I will construct a temporary non -compacted curing cap to prevent desiccation of the top of the cutoff wall. • Final site and staging areas restoration. • Survey of cutoff wall alignment and off -set control points. • Erosion and sediment controls • Permits that may be required Assumptions and Clarifications In preparing our budgetary proposal and associated price, we have assumed and/or excluded the following: • Work will be done in accordance with mutually agreed upon terms and conditions • Costs associated with utilizing a drop chisel and or hydraulic clamshell have not been included • Great Lakes E&I's pricing does not include pricing for a payment and performance bond. Should a bond be required an additional 1.0% of the final contract value would apply • Great Lakes E&I will be responsible for on -site quality control support; testing and reporting for all work associated with the cutoff wall construction in accordance with the final design specifications • Great Lakes E&I's price does not include drying reagents for excess slurry, soil and/or spoils. It is currently assumed that excavated soils, spoils, and slurry will be cast along with the outer edge of each work platform • Great Lakes E&I's pricing is based on the ability of mixing the soil-bentonite backfill adjacent to the trench; as such no allowances have been made for remote mixing. Great Lakes E&I is looking forward to working with the LCI project team again for a safe, successful and quality project. Should you require any further information or discussion of this proposal in detail, please contact our Texas office at (940) 381-6600. Sincerely, Great Lakes Environmental & Infrastructure Jeffrey H. Sallas Vice President of Infrastructure Programs CC: Kelly Hodge (LCI) File Copy GREAT LAKES ENVIRONMENTAL & INFRASTRUCTURE 3 EXHIBIT S Permanent Man -Made Structures within 200 Ft of the Affected Land Surface Use/Damage Waiver Agreements that have been obtained. and associated structures: Owner: DCP Midstream Structures: Oil/Gas Lines Owner: City of Greeley Structures: Improved/gravel roadway. culverts Owner: Loloff Construction, Inc. Structures: Fencing. Slurry Wall Owner: Global Asset Recovery. LLC Structures: Fencing Surface Use/Damage Waiver Agreements that are being pursued, and associated structures: Owner: Centurylink Structures: Phone/Fiber lines Owner: City of Greeley Structures: Improved roadway/ROW. signs. culverts. borrow ditches Owner: David Bliss Structures: Buildings. fencing Owner: DCP Operating Company. LP Structures: Oil/Gas Lines Owner: Dixie Ann Hoffner and Jerry Winters Structures: Fencing Owner: Extraction Oil and Gas, LLC Structures: Oil/Gas lines. Oil/Gas Wells Owner: Gene Murata Structures: Building Owner: Hoshiko Land Structures: Irrigation Structure Owner: James Koehler Revocable Trust L' J&T Consulting, Inc. Derr Pit Project DRMS112 Permit Amendment Structures: Buildings. fencing Owner: JBS Structures: Sewer Force Main Owner: Jeanette Snow Structures: Buildings. fencing Owner: Kerr McGee Oil & Gas Onshore LP Structures: Oil/Gas lines. Oil/Gas Wells Owner: Noble Energy Structures: Oil/Gas lines. wells, pumps. tanks Owner: North Weld County Water District Structures: Water lines Owner: Sylvia and Verne Parker Structures: Buildings Owner: Weld County Planning and Building Structures: Improved roadway/ROW. signs. culverts. borrow ditches Owner: Xcel Energy Structures: Power lines/poles, Electric lines (buried) Broken Arrow Investments; LLC believes that the mining operation, as proposed, will not adversely affect any of the permanent. man-made structures located within 200 ft of the affected area. However, the applicant still anticipates providing evidence of agreements for compensation with the appropriate structure owners or engineering evaluations that adequately demonstrate that the proposed mining and reclamation operations will not result in damage to the structures. J&T Consulting, Inc. Derr Pit Project DRMS 112 Permit Amendment O ru m m ru 0 O N m ru m m O C N U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information, visit our website at www.usps.com . GREY ( B1GC I A L Outlined Mal Fee $3.45 S �1 Extra Services & Fees othedi sox..dd 3'cstsn Receipt (t erd000yt $ $ (1 111 ❑ Retrm Reoew (.rcmet a $0.00 ❑ c nee ms Restricted De*•.y $ $4.00 ❑ mega Signature Restricted Dewey $ •v. Postage $0.5- otal Postage and Fees b $6.70 sang Tn James Koehler Revocable Trust 1001ECSt r Greeley, CO 80631 95980 J PS Form 3800. April 2015 • See Reverse for Instructions U.S. Postal Service" CERTIFIED MAIL' RECEIPT Domestic Mail Only For delivery information, visit our website at www.usos corn . GREY> CrB?b, 1 A Gent$ed Malt Fee x$3..455 I- Eta Services & Fees (weer box. add he gr?l I I pI $Rettrn Rats Owdoopy) $ Ron WiearCed0 S scum Q cot tar Restricted D•ar•y $ $,Q 0 OAwn stgnetnAgue, 3 $0.00 OW Sigmas* R.ebxted Delivery $ Postage a U S E $0.50 total�� Fees :6.70 lQ392 C Sag Tn Gene Murata N 29485 County Road 43 LC- Greeley, CO 80631-9601 ral ru In PS Form 3800, April 2015 eSN 7S33G2-0004047 See Reverse for instructions U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information. visit our website at www.usps.com . ?' Certified Mall Fee ►-1 $3.45 M _ Se Weld County Planning and Building Si 1555 N 17r" Ave Greeley, CO 80631 PS Form 3800, April 2015 PSN 753P . See Reverse tor Instructions U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information, visit our website at www.usps.com'. GREUYfC •'8116 USE Certified Mail Foe $3.45 rn 0 0 O Lan rR r` $ Extra Services & Fees (chadr box. add ha Ream Receipt Oerdcopyr) ❑Ream Reseal (elecbWcj $ $0 o cwtbeo Mgr Restricted Deasy $ ❑Ace Signature Required r . ❑ slit Signature Re trictsd Derrery $ Pos'age $Cl.5n otaf Postage see $6.70 Sent To Sylvia & Verne Parker S 211 Balsam Ave 'C Greeley, CO 80631-9572 2 T • in Here -c 18 PS Form 3800, April 2015 • See Reverse for Instructions m U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information, visit our website at www.usps.com GRE3YFCF816C AL u b Cer tfied Mail Fee $3.45 $ Extra Services & Fees (chock boxadd tee wafter Receipt Ourdoopy) $ Ream Receipt t ) $ p certrtw Mw Rea ict.d Calvary • o AS it Signature Reared ❑ Ada Signalise %vatted Oates $ Postage $0.50 $0_00 $0.00 $0.00 'foie Postage end Fees $6.70 6 92 CC P0'468114 Here O..N Tw Jeanette Snow N 503 Cherry Ave Greeley, CO 80631-971c a- 0 rR In m fv 0 0 N r4 O PS Form 3800. April 2015 PSN 7530-o2-om-9047 See Reverse for Instructions U.S. Postal Service' CERTIFIED MAIL`"' RECEIPT Domestic Mail Only For delivery information. visit our website at www.usps.com . GRE t Y�CFTC I A L Certified Mail Fee $3.45 $ Postage $0.50 Total Postage and fees $6.70 Sent T City of Greeley Community Street Develop 1100 10th St Sr c 06/05/2018 See Reverse for Instructions ru r-4 m N r Gritted Mali Fee $3. 4 5 m $ $2.75 Exalt Services & Fees Mscx c . add ud R1 earn �lpI ltisrdcav,A $ O QIMsn Root* f iecannici $ VI S0 0 EICarlead Md asetece.e Daisy $ 0 pass Swann Rand $ $0.00 O ASA ttledu. Riearreted Dees S U.S. Postal Service CERTIFIED MAIL RECEIPT Domestic Mail Only I A .., U S E Pangs $n .50 rel P- O rR CO cC m 1450 0002 N 0 ru m ru 0 O 7017 1450 'to ?Ala PS Form 3800, April 201 S 7t 5300 06, See Reverse for Instructions U.S. Postal Service" CERTIFIED MAIL' RECEIPT Domestic Mail Only For delivery Information, visit our website at www.usps.com DENO , SO0010( L t Certified Mail Fee $3.45 $ Extra Services & Feat SID& box. add M. ❑ warn Receipt r,.iectvnict i ❑ car , lew Restricted o.r.sy tl Adult signature Requited $ ❑ ASA Sigit bse Restricted O.e..y $ - - - $0.4 i Postage $0.511 Ot11—rise $6,70 r. Sent Tothe/, b// en�'l Si'; "� ' •.'reign/VW _'�-r . U.S. Postal Service CERTIFIED MAIL`' RECEIPT Domestic Mail Only For delivery information, visit our website at www.usp.s corn f�• DENS! flo ICerilled Mail Fee $3.45 IA Extra Services it Fees,idwr bat an$ - 75 *Tiro {a %t rn Receipt tisrdi,'ocM $ Return Ravi felectrvnc) ti S ti _ CIO ❑ Oertt..d Mee wWtoled Memory O Ache *mature Rsaiiiw $ $!1.00 ❑ Adult Signore Restricted Chewers $ 7 r r Postage $0.50 S _ Postage andir70 Sant Ts Kerr McGee Oil & Gas Onshore LP e 1099 lfin' St Ste 1500 Denver, CO 80202 USE J SO PS Form 3800, April 2015 PSrr, See Reverse for Instructions —n c0 rq rn 11.1 O 0 U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information, visit our website at www.usps.com^. LosiNh 1 e $!1 I A L U S E h Iv a 44.40 Oarvlted Mai Fee $3.45 $ $2.75 Services & Fees wheat t,ac op edit Ret rn Reodat eiwdwiry) $ titre rein r ❑ Rees Receipt (electronic) $ 111- 00 D °need Mel Restricted Dees, $ S0_ 00 O Adult Signet,. Required $ - thee -.._ Adult Signets, Restricted DeNMey : O Postage S _ r -R Total Postage and Fees $6.70 $11,51! O cC 1450 0002 Ps 2- C r1 O Certified Mail Fee $3.45 LServices & Fees (check bet, sees $R.orn R%corer t►nsdcriay) ❑ Return Receipt (*Ozonic) $ o Gentled Mali Rnrolcted Delivery II D Aar! Signature waited $ Adult Signature Restricted Dewey $ Total Postage and Fees $6.70 fialseagnant 4 $wnr Tr, David Bliss 13165 E County Line Rd 'C Longmont, CO 80504-9796 PS Form 3800, April 2015 See Reverse for Instructions U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only sdnf To Xcel Energy 1500 6th Ave 'C`1 Greeley, CO 80631-1430 PS Form 3800, April 2015 Psis ; ti- ,-!lit Ow•WC-ir See Reverse fur instructions U.S. Postal Service`' CERTIFIED MAIL® RECEIPT Domestic Mail Only For delivery information, visit our websito at www.usps.com 'RAT/El-96C IAL U S E /en $u_00 $0. (H) $0.ee Ui r- 43 43 ru m O co rU r N r-i N U, O m r-i m ru O O O r-� N O N N ru m N rR m ru O O 0Aaa 9tQr.n.. Aapai 1450 U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Marl Only For delivery information, visit our website at www.usps.com LOVIrjfiNip fQ 80577 Certified Mall Fee $3.45 to_00 $0. rip $0.00 U.S. Postal Service ' CERTIFIED MAIL® RECEIPT Domestic Mail Only 0392 For delivery information, visit our website at www.usps.com . LIT TQt$• IAL USE Certified MS Fes $3.45 $ $2.75 ice f xtr� servs & Fees rhecilt bas add ,�vl�s d $Rotten Receipten,dcapyt $ PU • ") ORam %derptt«.cue'&i tt $0.00 0 cringed Mal Re.trlcled Oasv.ry $ $9_00 ❑ Add Stratum Required $ $0.00 o Adult %men Restricted Neon t Postage 00.51.1 tbtal Postage and Fees $ $6.70 Seri lb Dixie Ann Hoffner & Jerry Winters 9 Postmark Hem 49 Willowcroft Dr O Littleton, CO 80123-7908 PS Form 3800, April 201-, -_ See Reverse for Instructions U.S. Postal Service' CERTIFIED MAIL' RECEIPT Domestic Marl Only $ Exile Services & Fees (crack ea+r, add al Return Realm Owdoaon $ u Return Receipt (electronic, O c rox.d Mail Restricted Delivery $ OASIS agnates Raotcted Deleon $ - - - - O postage _ U, r-rq ribs _ Postage and 3ee70 Sant lb Iloshiko Land LLC N PO Box 119 Kes'scy. (l ► )tlth44-1)199 0392 03 PS Form 3800, April 2015 PSR 7530-02-000-aOa7 See Reverse for Instructions Ls) C 43 te- Certified Mai Fee in U.S. Postal Service"' CERTIFIED MAIL® RECEIPT Domestic Marl Only F ru 0 0 $3.45 IAL USE 27.74 Extra Services & Fees rc+.ckbox.aa ref Uri) $Rear O+rdoogy $ ❑ asture Realm i.tactunict $ SCUT - 0 Ceresed his r .wt.d Dewy $ $0 -00 Oscan sa®rnau t Regales $ --$0.00 o Adult Sidman Restricted DdN.ry $ O Postage r r-i N 0 N a- -D C 43 rl in a O 0 N O N $0.50 °tat Postage and fgoss711 CO 0 N 0 Sear To -r-� :Street xio , y • PS Form 3800, A,in, 2015 •-• See Reverse for Instructions U.S. Postal Service' CERTIFIED MAIL® RECEIPT Domestic Mail Only See T North Weld County Water District 'tan PO Box 56 .i Lucerne, CO 80646 Global Asset Recovery. LLC 6530 Constitution Dr. Fort Wayne, IN 46804 May 30. 2018 Broken Arrow Investments, LLC 801 8`h Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property. and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments. LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure: or preparation of an engineering evaluation acceptable to the DRMS. demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments. LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley. CO 80631 (303) 566-5090 Global Asset Recovery, LLC RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, oken Arrow Investments. LLC free-- V/ Global Asset Recovery, LLC Date The foregoing instrument was acknowledged before me this 4 day of Jvhc— ZU by. gtvkcb ( i - 6€EA- ,as YVtSd� Tr Broken Arrow Investments, LLC 801 8`" St., Suite 130 Greeley, CO 80631 (303) 566-5090 Global Asset Recovery, LLC RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- Notary Public My Commission Expires: 1t 2x12 1 OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA ALLEN COUNTY ��L Comm. Expres Nov. 18, 2021 Broken Arrow Investments. LLC 801 8`t' St.. Suite 130 Greeley. CO 80631 (303) 566-5090 Broken !4rroit' Investments, LLC 801 8" Street, Suite 130 Greeley, CO 80631 Loloff Construction, Inc. 801 8th St., Suite 130 Greeley, CO 80631 May 30, 2018 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Loloff Construction. Inc. RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments, LLC Loloff Construction, Inc. 6- o►gC Date The foregoing ins t( ument was acknowledged before me this 4- day of Ut/k -C- Rv t tS4 , as Mtn w 'Ur zoze- 2-0 t8 by. Notary Public My Commission Expires: i itP'/Zoe/ Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Centurylink 175 1491 Street SE Loveland, CO 80537 May 30, 2018 Broken An ow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC 801 891St., Suite 130 Greeley, CO 80631 (303) 566-5090 Centurylink RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- Broken Arrow Investments. LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction. and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur. even during earthquake conditions. which are very unlikely to be present. With this letter. Broken Arrow Investments. LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments. LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments. LLC's mining and reclamation activities. Sincerely. roken Arrow Ihvestments, LLC date Centurylink Date Broken Arrow Investments. LLC 801 8"' St.. Suite 130 Greeley. CO 80631 (303) 566-5090 Century/ink RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- The foregoing instrument was acknowledged before me this 4 day of J Vt% Rce,-,-Ltt a— 4.O:34 - ,26L8 by, Notary Public My Commission Expires: fl It ZC2 ( Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Broken Arrow Investments, LLC 801 8th Street, Suite 130 Greeter, CO 80631 City of Greeley Community Development 1100 10th Street, Suite 202 Greeley, Colorado 80631 May 30, 2018 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 City of Greeley RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken An -ow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments, LLC City of Greeley Date The foregoing instrument was acknowledged before me this 4- day of uvti__4___ getvol (4,;•-f ,ast✓ ZG f by Broken Arrow Investments, LLC 801 tr St., Suite 130 Greeley, CO 80631 (303) 566-5090 City of Greeley RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- ( Notary Public My Commission Expires: c 7 OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA My Comm. Expires Nov. 18. 2021N ALLEN COUNTY Broken Arrow Investments. LLC 801 8"1 St.. Suite 130 Greeley, CO 80631 (303) 566-5090 David Bliss 13165 E County Line Rd Longmont, CO 80504 May 30, 2018 Broken A rro it' Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8t" St., Suite 130 Greeley, CO 80631 (303) 566-5090 David Bliss RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams. and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading. based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur. even during earthquake conditions. which are very unlikely to be present. With this letter. Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments. LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s). and acknowledges Broken Arrow Investments. LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments. LLC David Bliss Date The foregoing instrument was acknowledged before me this 4 day of U C 2 °( I. by ,s.eLL , as Broken Arrow Investments. LLC 801 80' St.. Suite 130 Greeley, CO 80631 (303) 566-5090 David Bliss RE. Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- LA* Notary Public My Commission Expires: l OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA ALLEN COUNTY My Comm. Expires Nov. 18, 2021 Broken Arrow Investments, LLC 801 8' St., Suite 130 Greeley, CO 80631 (303) 566-5090 DCP Operating Company, LP 3026 4m Ave. Greeley, Colorado 80631 May 30, 2018 Broken A rro w Investments, LLC 801 8t Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 DCP Operating Company, LP RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments. LLC to DCP Operating Company, LP Date The foregoing instrument was acknowledged before me this 4 day of j VIA `- rz,.1dal a 6itif , as 1`Oat Kcity r ZGt1' by Broken Arrow Investments, LLC 801 8"' St., Suite 130 Greeley, CO 80631 (303) 566-5090 DCP Operating Company, LP RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- Notary Public My Commission Expires: OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA ALLEN COUNTY My Comm t- Nov. 18, 2021 Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Dixie Ann Hoffner & Jerry Winters 49 Willowcroft Dr. Littleton, CO 80123 May 30, 2018 Broken Arroit' Inl'estrnerlts, LLC 801 8`I' Street, Suite 130 Greelev, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8"' St., Suite 130 Greeley, CO 80631 (303) 566-5090 Dixie Ann Hoffner & Jerry Winters RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments, LLC ,64"-e _ to% Dixie Ann Hoffner & Jerry Winters Date The foregoin instrument was acknowledged before me this 4 day of J v ` 4-- .20 t 0 by, P A t (/ R- . as /1.1 y, t -- Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Dixie Ann Hoffner & Jerry Winters RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- Notary Public My Commission Expires: to7/ OFFICIAL SEAL, MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA ALLEN COUNTY 1Ay Comm. Nov. 18, 2021 Broken Arrow Investments. LLC 801 8"' St.. Suite 130 Greeley, CO 80631 (303) 566-5090 Extraction Oil & Gas, LLC 370 171'' St., Suite 5300 Denver, Colorado 80202 May 30, 2018 Broken Arrow Investments, LLC 801 8`1' Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments. LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Extraction Oil & Gas. LLC RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization. Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments, LLC ate Extraction Oil & Gas, LLC Date The foregoing instrument was acknowledged before me this 4 day of J tp1 t 9- C<:s-t . as �' �'� �G� (�-r ✓ 2_o I by. Broken Arrow Investments, LLC 801 8t" St., Suite 130 Greeley, CO 80631 (303) 566-5090 Extraction Oil & Gas. LLC RE.. Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- Notary Public My Commission Expires: OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC • INDIANA ALLEN COUNTY My Comm. Expwes Nov. 1$, pni Broken Arrow Investments. LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Broken A JTO 1 t . Investments, LLC 801 8" Street, Suite 130 Greeley, CO 80631 Gene Murata 22000 County Road 62 Greeley, CO 80631-9601 May 30, 2018 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to Broken Arrow Investments, LLC 801 8"' St., Suite 130 Greeley, CO 80631 (303) 566-5090 Gene Murata RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments. LL Gene Murata zOl e Date The foregoing instrument was acknowledged before me this 4 day of JV h itab#, Cie f( C< t r f My Commission Expires. 20 ( by ll�P'�vZ( Broken Arrow Investments, LLC 801 8'" St., Suite 130 Greeley, CO 80631 (303) 566-5090 Hoshiko Land, LLC P.O. Box 119 Kersey, CO 80644 May 30, 2018 Broken A rro w Investments, LLC 801 8`" Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. The irrigation well is the structure that is within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8t" St., Suite 130 Greeley, CO 80631 (303) 566-5090 Hoshiko Land, LLC RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments, LLC Hoshiko Land, LLC Date The foreg ing instrument was acknowledged before me this 4 day of Jteioic /{ ,a deLt lt t ‘ttS't- , as ` 4k wk., f r Broken Arrow Investments, LLC 801 8'' St., Suite 130 Greeley, CO 80631 (303) 566-5090 Hoshiko Land. LLC RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- Notary Public My Commission Expires: OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA ALLEN COUNTY Comm. Expires Nov. 18, 2021 Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Broken Arrow Investments, LLC 801 8t Street, Suite 130 Greeley, CO 806.31 James Koehler Revocable Trust 1001 E C St Greeley, CO 80631 May 30, 2018 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 James Koehler RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur. even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments, LLC James Koehler Date The foregoi instrument was acknowledged before me this 4 day of j Wel t l t by R `` R 6c-c+.as Maitki ✓ t Broken Arrow Investments, LLC 801 8t" St., Suite 130 Greeley, CO 80631 (303) 566-5090 James Koehler RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- Notary Public My Commission Expires: I ( ter 207 ( S 1 ` o. OFFICIAL SEAL MICHAEL S HOLLIS e NOTARY PUBLIC - INDIANA g ALLEN COUNTY My Comm. *''res Nov. 18, 2021 -v-',sr err11CA rrimr r rrr� S Broken Arrow Investments, LLC 801 8th St.. Suite 130 Greeley, CO 80631 (303) 566-5090 JBS 800 N 8th Ave. Greeley, CO 80631 May 30, 2018 Broken A ii o w Investments. I,LC 801 8t Street, Suite 130 Greelev, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 JBS RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, _6524rz.=ilf ate oken Arrow Investments, LLC JBS Date The foregoing instrument was acknowledged before me this "4 day of v V k c. , 20 t 0 by, geu.t alt (( t 6<< s -f as 4/VtA.s, r PVT Notary Public My Commission Expires: OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC • INDIANA ALLEN COUNTY My Comm. Expires Nov. 18, 2021 Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Jeanette Snow 503 Cherry Ave. Greeley, CO 80631 May 30, 2018 Broken Arroit Investments, LLC, 801 8th Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 81h St., Suite 130 Greeley, CO 80631 (303) 566-5090 Jeanette Snow RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments, LL 4L1 fi'7/6 J4iree Jeanette Snow Date The foregoing instrument was acknowledged before me this 4 day of J (A. (ccutintl( _p_ 6,;A- — as ZoIB by Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Jeanette Snow RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- M Notary Public My Commission Expires: i l WI 0'L Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Kerr McGee Oil & Gas Onshore LP 1099 18tr' Street, Suite 1500 Denver, Colorado 80202 May 30, 2018 Broken A rro w Investments, LLC 801 8th Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments. LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Kerr McGee Oil & Gas Onshore, LP RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, oken Arrow Investments. LLC ate Zd/V Kerr McGee Oil & Gas Onshore, LP Date The foregoing instrument was acknowledged before me this 4 day of L/ V1A c_ Zo (1 (( ez. . as /i1�i�►-. Ai A, Broken Arrow Investments, LLC 801 8° St., Suite 130 Greeley, CO 80631 (303) 566-5090 Kerr McGee Oil & Gas Onshore, LP RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- (164 Notary Public My Commission Expires: OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA c;. ALLEN COUP 18 ZpZti `; My Cane. Expires Broken Arrow Investments. LLC 801 8t1 St.. Suite 130 Greeley, CO 80631 (303) 566-5090 Noble Energy 1625 Broadway, Suite. 2000 Denver, CO 80202 May 30, 2018 Broken Arrow Investments, LLC 801 8th Street, Suite 130 &r.eelel•', CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were Broken Arrow Investments, LLC 801 8' St., Suite 130 Greeley, CO 80631 (303) 566-5090 Noble Energy RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments, LCD rate Noble Energy Date The foregoing instrument was acknowledged before me this 4 day of U l/H c AA . Ja ( g G its -f , as AH0.) e4„, 20 ( by. Broken Arrow Investments, LLC 801 8`" St., Suite 130 Greeley, CO 80631 (303) 566-5090 Noble Energy RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- 164ljtod2 ICirt% Notary Public My Commission Expires: 1 ti OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC - INDIANA ALLEN COUNTY My Comm. Ex•*res Nov. 18, 2021 Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Broken Arrow Investments, LLC 801 8th Street, Suite 130 Givel e v, CO 80631 North Weld County Water District P.O. Box 56 Lucerne, Colorado 80646 May 30, 2018 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were Broken Arrow Investments, LLC 801 8m St., Suite 130 Greeley, CO 80631 (303) 566-5090 North Weld Water District RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments. LLC's mining and reclamation activities. Sincerely, Broken Arrow Investments, LLC " LDate North Weld Water District Date The foregoing instrument was acknowledged before me this ita day of J (PA . as r1A✓l^ic r Z o r t by. Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 North Weld Water District RE Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- ..otary Public My Commission Expires: I l l r/2 cot ( OFFICIAL SEAL MICHAEL S HOLLIS NOTARY PUBLIC • INDIANA ALLEN COUNTY My Comm „ Nov. 18, 2021 -rill Broken Arrow Investments. LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Sylvia & Vemie Parker 211 N Balsam Ave. Greeley, CO 80631 May 30. 2018 Broken Arroit' Investments, LLC 801 8`h Street, Suite 130 Greelev, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation. Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to Broken Arrow Investments, LLC 801 8"' St., Suite 130 Greeley, CO 80631 (303) 566-5090 Sylvia & Vernie Parker RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments, LLC ate Sylvia & Vernie Parker Date The foregoing instrument was acknowledged before me this 4 day of Jtitit C- ,,&d&U fL Gttf ,as Wes" Attr Z0 l l by Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Sylvia & Vernie Parker RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- midi,a) kw% My Commission Expires: I t /r/Z07 Notary Public OFFICIAL SEAL MICHAEL S HOLLIS J NOTARY PUBLIC - INDIANA ALLEN COUNTY My Comm ' Nov. 18, 2021 Broken Arrow Investments, LLC 801 8'h St., Suite 130 Greeley, CO 80631 (303) 566-5090 Weld County Planning & Building 1555 N 27th Ave. Greeley, CO 80631 May 30, 2018 Broken Arrow Investments, LLC 801 8" Street, Suite 130 Greeley, CO 80631 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Weld County Planning & Building RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, Broken Arrow Invdstments, LLC Weld County Planning & Building Date Broken Arrow Investments. LLC 801 8"' St., Suite 130 Greeley, CO 80631 (303) 566-5090 Weld County Planning & Building RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -3- The foregoing instrument was acknowledged before me this 1 day of J w C - gam 1,4( 6 ctJ-f . as Notary Public My Commission Expires: -2_0(e by. 2 I Broken Arrow Investments. LLC 801 8" St.. Suite 130 Greeley. CO 80631 (303) 566-5090 Broken en Ar'r oit' Investments, LLC 801 Mb Street, Suite 130 Greeley, CO 80631 Xcel Energy 1500 6th Avenue Greeley, Colorado 80631-1430 May 30, 2018 Re: Agreement for Compensation for Damage to Structures within 200 feet of mining activities To Whom It May Concern: Broken Arrow Investments, LLC has a State of Colorado Division of Reclamation, Mining, and Safety (DRMS) Reclamation Permit M2008-078 to allow sand and gravel mining on property within 200 feet of structures located on your property. The Colorado Mined Land Reclamation Act provides protection for your property, and specific protection for your structures located within 200 feet of the mining activities. Your property is adjacent to the mine property and within 200 feet of the mining activities. Broken Arrow Investments, LLC is the new operator but the same people/employees will be working for us. DRMS Permit approval requires a notarized agreement between the applicant and owners of structures within 200 feet of the mining activities, providing compensation for any damage to the structure; or preparation of an engineering evaluation acceptable to the DRMS, demonstrating that such structure(s) shall not be damaged by the mining activities if an agreement cannot be reached. Broken Arrow Investments, LLC has had an engineering evaluation performed to determine acceptable setbacks from their proposed mining permit boundary and mining limit to structures adjacent to the mining. The proposed mining slopes and setbacks were Broken Arrow Investments, LLC 801 r St., Suite 130 Greeley, CO 80631 (303) 566-5090 Xcel Energy RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities -2- analyzed using the Galena v7.1 computer program. Galena was designed to analyze the slope stability of earth embankments subjected to several critical situations that may occur during the life of the embankment. The procedure searches for circular shear failures and automatically searches for the lowest safety factor. 5,000 separate failure surfaces were analyzed for each case. The required minimum safety factors are based on the current standards used by the Colorado State Engineer's Office (SEO) for high hazard embankment dams, and industry accepted standards for the evaluation of embankments during construction. The safety factors attained using the setbacks shown on the Mining Plan are greater than the required safety factors specified by the SEO for an earth embankment during construction, and an earth embankment subjected to earthquake loading, based on the United States Geological Survey earthquake peak acceleration factors for the area. This evaluation indicated that damage to structures adjacent to the mining should not occur, even during earthquake conditions, which are very unlikely to be present. With this letter, Broken Arrow Investments, LLC requests your authorization to conduct mining and reclamation activities within 200 feet of your structure(s). In return for this authorization, Broken Arrow Investments, LLC agrees to provide fair compensation for any damage to your structure(s) resulting from its mining and reclamation activities. Your notarized signature below grants permission for Broken Arrow Investments, LLC to conduct mining and reclamation activities within 200 feet of your structure(s), and acknowledges Broken Arrow Investments, LLC's commitment to provide fair compensation for any damages to said structure(s) caused by Broken Arrow Investments, LLC's mining and reclamation activities. Sincerely, roken Arrow Investments, CLC Date Xcel Energy Date The foregoin instrument was acknowledged before me this 4 R GI (Set-- . . as day of J144 -- W C Z o f 1 rw Broken Arrow Investments, LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Xcel Energy RE: Agreement for Compensation for Damage to Structures within 200 feet of mining activities 3- avivAlAg Notary Public My Commission Expires: 1 t 8 Z G Z OFFICIAL SEAL MICHAEL S HOLLIS N NOTARY PUBLIC - INDIANA ALLEN COUNTY My Comm. ties Nov. 18, 2021 Broken Arrow Investments. LLC 801 8th St., Suite 130 Greeley, CO 80631 (303) 566-5090 Hello