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Home My WebLink About20200439.tiffa COLORADO Division of Reclamation, Mining and Safety Department of Natural Resources 1313 Sherman St. Room 215 Denver, CO 80203 RECEIVED FEB 2 4 2020 WELD COUNTY COMMISSIONERS NOTICE Consideration of Construction Materials Reclamation Permit Amendment Application DATE: February 20, 2020 TO: Weld County Commissioners 915 10th St Greeley, CO 80631 FROM: Eric C. Scott RE: The Shores - File No. M-1998-013, Bestway Concrete Company Amendment Application (AM -3) Please be advised that on February 19, 2020, Bestway Concrete Company, whose address and telephone number are 301 Centennial Dr., Milliken, CO 80543; (970) 587-7277, filed an application for a/an Amendment (AM- 3) to M1998013, The Shores, which is located approximately 3 miles North of Firestone, Section 1, Township 2N, Range 68W, 06th Principle Meridian, in Weld County. The application decision is scheduled for May 19, 2020. Written comments or objections to the application may be submitted to and additional information obtained from Eric C. Scott at the Division of Reclamation, Mining and Safety, 1313 Sherman St. Room 215 Denver, CO 80203, by telephone at (303) 866-3567 x 8140. Bestway Concrete Company is required to publish a public notice in a newspaper of general circulation in the locality of the mining operation. If you wish to make comments on or objections to the mine plan and/or the reclamation plan, they must be submitted within twenty (20) days of the date of the last newspaper public notice to be considered in the application review process by the Division. You should contact the applicant for the newspaper publication date. If we do not receive your comments or any objection by the end of the public comment period, the Division will assume you have no objection or comment to the proposed activity. M -G -03A-P Pub(c f'_) Gc:Pc.(rP) pW(3h/aRicN/cti) 03 /I V12.0 03/L2 /202 1313 Sherman St. Room 215 Denver, CO 80203 P (303) 866-3567 F (303) 832-8106 https://cotorado.gov/drms Jared Polls, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director 2oLo-04-t31 lr4:''74-;°,) February 3, 2020 Clerk to the Board of Weld County Commissioners 1150 O Street P.O. Box 758 Greeley, CO 80631 RE: Vogl Amendment -Shores Gravel Mine #M-1998.013-AM03 Dear Clerk to the Board: As a requirement of the Division of Reclamation Mining and Safety (DRMS), the complete Vogl Amendment -Shores Gravel Mine application must be on file at the County Clerk's Office and be available for public viewing. A copy of the complete application on behalf of Bestway Concrete & Aggregates is attached. Please sign below to indicate that you have received the above - mentioned information and return this page to us by email at andy@civilresources.com. As always, thank you for your assistance. Sincerely, Civil Resources, LLC dy Rodriguez, P.E. Project Engineer Confirmation of Receipt: I have received the above reference documents, and will put it on file for public viewing. RECEIVED County Clerk to the Board ' �� u 'f cucu Date J:IBestway-2131vogl\Noticeslletter to clerk_signature reqted.doc P'bii!c Rev; eiJ WELD COUNTY COMMISSIONERS cc:PLo-P), PcJovert/cHkK) 2020 - 0439 oa/iaao Oa/O5ao BESTWAY CONCRETE COMPANY VOGL AMENDMENT - SHORES GRAVEL MINE DRMS 112 PERMIT SUBMITTAL M-1998-013- AMO3 PREPARED FOR: Burnco Colorado, LLC dba Bestway Concrete Company 301 Centennial Drive Milliken, CO 80543 PREPARED BY: Civil Resources, LLC 323 5th Street P.O. Box 680 Frederick, CO 80530 303.833.1416 DATE SUBMITTED To DRMS: FEBRUARY 4, 2020 -5 - Mans and Exhibits: Two (2) complete, unbound application packages must be submitted. One complete application package consists of a signed application form and the set of maps and exhibits referenced below as Exhibits A -S, Addendum 1, and the Geotechnical Stability Exhibit. Each exhibit within the application must be presented as a separate section. Begin each exhibit on a new page. Pages should be numbered consecutively for ease of reference. If separate documents are used as appendices, please reference these by name in the exhibit. With each of the two (2) signed application forms, you must submit a corresponding set of the maps and exhibits as described in the following references to Rule 6.4, 6.5, and 1.6.2(1)(b): EXHIBIT A EXHIBIT B EXHIBIT C EXHIBIT D EXHIBIT E EXHIBIT F EXHIBIT G EXHIBIT H EXHIBIT I EXHIBIT J EXHIBIT K EXHIBIT L EXHIBIT M EXHIBIT N EXHIBIT O EXHIBIT P EXHIBIT Q EXHIBIT R EXHIBIT S Rule 1.6.2(1)(b) Rule 6.5 Legal Description Index Map Pre -Mining and Mining Plan Map(s) of Affected Lands Mining Plan Reclamation Plan Reclamation Plan Map Water Information Wildlife Information Soils Information Vegetation Information Climate Information Reclamation Costs Other Permits and Licenses Source of Legal Right -To -Enter Owners of Record of Affected Land (Surface Area) and Owners of Substance to be Mined Municipalities Within Two Miles Proof of Mailing of Notices to County Commissioners and Conservation District Proof of Filing with County Clerk or Recorder Permanent Man -Made Structures ADDENDUM 1- Notice Requirements (sample enclosed) Geotechnical Stability Exhibit (any required sections) The instructions for preparing Exhibits A -S, Addendum 1, and Geotechnical Stability Exhibit are specified under Rule 6.4 and 6.5 and Rule 1.6.2(1)(b) of the Rules and Regulations. If you have any questions on preparing the Exhibits or content of the information required, or would like to schedule a pre -application meeting you may contact the Office at 303-866-3567. Responsibilities as a Permittee: Upon application approval and permit issuance, this application becomes a legally binding document. Therefore, there are a number of important requirements which you, as a permittee, should fully understand. These requirements are listed below. Please read and initial each requirement, in the space provided, to acknowledge that you understand your obligations. If you do not understand these obligations then please contact this Office for a full explanation. 1. Your obligation to reclaim the site is not limited to the amount of the financial warranty. You assume legal liability for all reasonable expenses which the Board or the Office may incur to reclaim the affected lands associated with your mining operation in the event your permit is revoked and financial warranty is forfeited; -6- 44\ 2. The Board may suspend or revoke this permit, or assess a civil penalty, upon a finding that the permittee violated the terms or conditions of this permit, the Act, the Mineral Rules and Regulations, or that information contained in the application or your permit misrepresent important material facts; 3. If your mining and reclamation operations affect areas beyond the boundaries of an approved permit boundary, substantial civil penalties, to you as permittee can result; 4. Any modification to the approved mining and reclamation plan from those described in your approved application requires you to submit a permit modification and obtain approval from the Board or Office; 5. It is your responsibility to notify the Office of any changes in your address or phone number; 6. Upon permit issuance and prior to beginning on -site mining activity, you must post a sign at the entrance of the mine site, which shall be clearly visible from the access road, with the following information (Rule 3.1.12): a. the name of the operator; b. a statement that a reclamation permit for the operation has been issued by the Colorado Mined Land Reclamation Board; and, c. the permit number. 7. The boundaries of the permit boundary area must be marked by monuments or other markers that are clearly visible and adequate to delineate such boundaries prior to site disturbance. 8. It is a provision of this permit that the operations will be conducted in accordance with the terms and conditions listed in your application, as well as with the provisions of the Act and the Construction Material Rules and Regulations in effect at the time the permit is issued. 9. Annually, on the anniversary date of permit issuance, you must submit an annual fee as specified by Statute, and an annual report which includes a map describing the acreage affected and the acreage reclaimed to date (if there are changes from the previous year), any monitoring required by the Reclamation Plan to be submitted annually on the anniversary date of the permit approval. Annual fees are for the previous year a permit is held. For example, a permit with the anniversary date of July 1, 1995, the annual fee is for the period of July 1, 1994 through June 30, 1995. Failure to submit your annual fee and report by the permit anniversary date may result in a civil penalty, revocation of your permit, and forfeiture of your financial warranty. It is your responsibility, as the permittee, to continue to pay your annual fee to the Office until the Board releases you from your total reclamation responsibility. 10. For joint venture/partnership operators: the signing representative is authorized to sign this document and a power of attorney (provided by the partner(s)) authorizing the signature of the representative is attached to this application. -7 - NOTE TO CO MENTORS/OBJECTORS: It is likely there will be additions, changes, and deletions to this document prior to final decision by the Office. Therefore, if you have any comments or concerns you must contact the applicant or the Office prior to the decision date so that you will know what changes may have been made to the application document. The Office is not allowed to consider comments, unless they are written, and received prior to the end of the public comment period. You should contact the applicant for the final date of the public comment period. If you have questions about the Mined Land Reclamation Board and Office's review and decision or appeals process, you may contact the Office at (303) 866-3567. - iv - COMPLIANCE WITH OTHER LAWS: Compliance with the Act and Rules and Regulations of the Mined Land Reclamation Board DOES NOT relieve you of your responsibility to comply with all other applicable state and federal laws. We recommend that you contact the following agencies to determine whether you need to comply with their legal requirements: o The Colorado State Historical Preservation Office regarding properties of historical significance including the need for an archeological survey, procedures for requesting a file search, and inventory forms to identify structures. o Colorado Division of Water Resources with regard to water rights; o Colorado Department of Health, Water Quality Control Division, with regard to the discharge of pollutants into the State waters; o Colorado Department of Health, Air Pollution Control Division, with regard to the need for a fugitive dust permit; o U.S. Bureau of Land Management or the U.S. Forest Service if the proposed operation will occur on federal lands; o U. S. Army Corps of Engineers regarding a dredge and fill (404) permit; and o The County Planning Department for the county or counties in which your proposed operation is located. Section 34-32.5-109(3), C.R.S, requires a mining operator to be responsible for assuring that the mining operation and the post -mining land use comply with local land use regulations and any master plan for extraction adopted pursuant to Section 34-1-304, C.R.S. COMPLETION OF MINING: Upon completion of any phase of reclamation, you should consult Rule 3.1 for reclamation standards and 4.16 for details on how to request a reclamation responsibility release from the Board. STATE OF COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866-3567 FAX: (303) 832-8106 CONSTRUCTION MATERIALS REGULAR (112) OPERATION RECLAMATION PERMIT APPLICATION FORM COLORADO DIVISION OF RECLAMATION MINING —&- SAF ETY CHECK ONE: I I There is a File Number Already Assigned to this Operation Permit # M - 1998 013 (Please reference the file number currently assigned to this operation) New Application (Rule 1.4.5) Amendment Application (Rule 1.10) ® _ Conversion Application (Rule 1.11) Permit # M 1_998 Q13 _ (provide for Amendments and Conversions of existing permits) The application for a Construction Materials Regular 112 Operation Reclamation Permit contains three major parts: (1) the application form; (2) Exhibits A -S, Addendum 1, any sections of Exhibit 6.5 (Geotechnical Stability Exhibit; and (3) the application fee. When you submit your application, be sure to include one (1) complete signed and notarized ORIGINAL and one (1) copy of the completed application form, two (2) copies of Exhibits A -S, Addendum 1, appropriate sections of 6.5 (Geotechnical Stability Exhibit, and a check for the application fee described under Section (4) below. Exhibits should NOT be bound or in a 3 -ring binder; maps should be folded to 8 1/2" X 11" or 8 1/2" X 14" size. To expedite processing, please provide the information in the format and order described in this form. GENERAL OPERATION INFORMATION Type or print clearly, in the space provided, ALL information requested below. 1. Applicant/operator or company name (name to be used on permit): Bestway Concrete Company 1.1 Type of organization (corporation, partnership, etc.): Incorporated 2. Operation name (pit, mine or site name): 3. Permitted acreage (new or existing site): 3A Change in acreage (+) 3.2 Total acreage in Permit area Shores Gravel MineNogl Amendment 4. Fees: 4.1 New Application 4.2 New Quarry Application 4.4 Amendment Fee 4.5 Conversion to 112 operation (set by statute) 5. Primary commoditie(s) to be mined: sand m 5.1 Incidental commoditie(s) to be mined: 1. gravel top soil lbs/Tons/yr 3. / lbs/Tons/yr 4. / lbs/Tons/yr 5.2 Anticipated end use of primary commoditie(s) to be mined: 2028 5.3 Anticipated end use of incidental commoditie(s) to be mined: 370.1 140.7 510.8 permitted acres acres acres $2,696.00 application fee $3,342.00 quarry application $2,229.00 amendment fee $2,696.00 conversion fee 2. / 5. / lbs/Tons/yr lbs/Tons/yr SECTION (write number): TOWNSHIP (write number and check direction): T 3 1:1 North1:1 South RANGE (write number and check direction): R 68 [ East 1:3 West QUARTER SECTION (check one): P U DD E✓ SW QUARTER/QUARTER SECTION (check one): ® NE Li NW SE L --WA SW GENERAL DESCRIPTION: (the number of miles and direction from the nearest town and the approximate elevation): Located in unincorporated Weld County, -1 mile from Firestone. -2- 6. Name of owner of subsurface rights of affected land: If 2 or more owners, "refer to Exhibit O". 7. Name of owner of surface of affected land: Vogl 8. Type of mining operation: Vogl ElSurface Underground 9. Location Information: The center of the area where the majority of mining will occur: COUNTY: Weld Southwest Quarter Of Section 36, Township 3 North, Range 68 West, And In The Northwest Quarter Of Section 1, Township North, Range 68 West, All In The 6th P.M., County Of Weld, State of Colorado PRINCIPAL MERIDIAN (check one): 6th (Colorado) EL 10th (New Mexico) Ute s SW1/4 SEC 36 NW 1/4 SEC 1 10. Primary Mine Entrance Location (report in either Latitude/Longitude OR UTM): Latitude/Longitude: Example: (N) (W) 39° 44' 12.98" 104° 59' 3.87" Latitude (N): deg min sec (2 decimal places) Longitude (W): deg min sec (2 decimal places) OR Example: (N) 39.73691° (W) -104.98449° Latitude (N) (5 decimal places) Longitude(W) (5 decimal places) OR Universal Tranverse Mercator (UTM) Example: 201336.3 E NAD27 Zone 13 4398351.2 N UTM Datum (specify NAD27, NAD83 or WGS 84) Nad 83 Zone 13 Easting 503707.00 m E Northing 4447223.00 m N -3- 11. Correspondence Information: APPLICANT/OPERATOR (name, address, and phone of name to be used on permit) Contact's Name: Mark Johnson Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: Burnco dba Bestway Concrete Company Title: Compliance Manager / Facilities and Acquisitions 301 Centennial Milliken P.O. Box: Colorado (970 ) _ 587 7277 Zip Code: 80543 PERMITTING CONTACT (if different from applicant/operator above) Contact's Name: Andy Rodriguez Title: Project Manager Company Name: Civil Resources Street/P.O. Box: 323 5th Street P.O. Box: 680 City: Frederick State: Colorado Zip Code: 80530 Telephone Number: (303 ) _ 833 1416 Fax Number: ( ) - INSPECTION CONTACT Contact's Name: Mark Johnson Title: Compliance Manager/ Facilities and Acquisitions Company Name: Burnco dba Bestway Concrete Company Street/P.O. Box: 301 Centennial P.O. Box: City: Milliken State: Colorado Zip Code: 80543 Telephone Number: (970 ) _ 587 7277 Fax Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) -4- 12. Primar future (Post -mining) land use (check one): Cropland(CR) ID Pastureland(PL) Rangeland(RL) -ice Forestry(FR) a Residential(RS) JJ Recreation(RC) ✓ Developed Water Resources(WR) 13. Primary present land use (check one : ✓a Cropland(CR) Pastureland(PL) ElRangeland(RL) Forestry(FR) _H_Residential(RS) 12 Recreation(RC) Developed Water Resources(WR) General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) Solid Waste Disposal(WD) General Agriculture(GA) Wildlife Habitat(WL) -Ci Industrial/Commercial(IC) 14. Method of Mining: Briefly explain mining method (e.g. truck/shovel): slurry wall and dry mine using excavator, haul truck, loader and conveyor belts 15. On Site Processing: Crushing/Screening 13.1 Briefly explain mining method (e.g. truck/shovel): processing will occur on the main Shores Gravel mine site. List any designated chemicals or acid -producing materials to be used or stored within permit area: NA 16. Description of Amendment or Conversion: If you are amending or converting an existing operation, provide a brief narrative describing the proposed change(s). Additional land to the north of the existing Shores Gravel mine to be used to convey material to the Shores Gravel Mine to produce crushed rock, top soil, sand and gravel and building -8 - Certification: As an authorized representative of the applicant, I hereby certify that the operation described has met the minimum requirements of the following terms and conditions: 1. To the best of my knowledge, all significant, valuable and permanent man-made structure(s) in existence at the time this application is filed, and located within 200 feet of the proposed affected area have been identified in this application (Section 34-32.5-115(4Xe), C.R.S.). 2. No mining operation will be located on lands where such operations are prohibited by law (Section 34-32.5-115(4Xf), C.R.S.; 3. As the applicant/operator, I do not have any extraction/exploration operations in the State of Colorado currently in violation of the provisions of the Colorado Land Reclamation Act for the Extraction of Construction Materials (Section 34-32.5-120, C.R.S.) as determined through a Board finding. 4. I understand that statements in the application are being made under penalty of perjury and that false statements made herein are punishable as a Class 1 misdemeanor pursuant to Section 18-8-503, C.R.S. This form has been approved by the Mined Land Reclamation Board pursuant to section 34-32.5-112,GRS., of the Colorado Land Reclamation Act for the Extraction of Construction Materials. Any alteration or modification of this form shall result in voiding any permit issued on the altered or modified form and subject the operator to cease and desist orders and civil penalties for operating without apermit pursuant to section 34-32.5-123, CRS Signed and dated this l4'' day of Applicant/Operator or Company Name Signed: Mj J - Title: Ate. State of 2%f2 4 ) ss. County of /Ala/ The foregoing instrument was acknowledged before me this ® by i cd as .20...0 . If Corporation Attest (Seal) Signed: Corporate Secretary or : eat Town/City/County Clerk day of r' race MADALINE KNIPP Notary Public State of Colorado Notary ID # 20054037804 Ml Commission Exbires 06-07-2021 of . Otary Public Commission expires: 1// ./ SIGNATURES MUST BE IN BLUE INK You must post sufficient Notices at the location of the proposed mine site to clearly identify the site as the location of a EXHIBIT A - LEGAL DESCRIPTION This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.1 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: LAND PARCEL DESCRIPTION PARCEL 1 NORTHWEST 1/4 OF THE NORTHWEST 1/4 OF SECTION 1, TOWNSHIP 2 NORTH, RANGE 68 WEST OF THE 6TH P.M., COUNTY OF WELD, STATE OF COLORADO. SAID DESCRIBED PARCEL 1 CONTAINS 40.148 ACRES, MORE OR LESS (±). PARCEL 2 SOUTHWEST 1/4 OF THE SOUTHWEST 1/4 OF SECTION 36, TOWNSHIP 3 NORTH, RANGE 68 WEST OF THE 6TH P.M., COUNTY OF WELD, STATE OF COLORADO. SAID DESCRIBED PARCEL 2 CONTAINS 40.0 ACRES, MORE OR LESS (±). PARCEL 3 EAST 1/2 OF THE SOUTHWEST 1/4 OF SECTION 36, TOWNSHIP 3 NORTH, RANGE 68 WEST OF THE 6TH P.M., COUNTY OF WELD, STATE OF COLORADO. SAID DESCRIBED PARCEL 3 CONTAINS 79.0 ACRES, MORE OR LESS (±). Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit A -1 EXHIBIT B — INDEX MAP i Please refer to the attached index map . ____ . y.. .. ase...,00,..--rewaies ire. _.,.; R1 % ex �.ea j el frei .�,, .. ; e:40� ,moo y AMENDED VOGL • PARCEL 4 a aaa ti t II filcie - N_ n t. __o.. WCR26 ,� `t. . , , / li ..ex 2- re EXISTING SHORES GRAVEL MINE • i -14- „look r i 11 OCrr , till"- "Zrase-if ' - 44834 rNic_.-----61 eillIlL,r%\,,,i71 . caSO, a i r " G. �- • P _ 48* _ i -, S' • 1 • . : ,fig ' Wei 4 ! wCR24IHwY119 3 i i / /e ; 0 I I }l 1 ' de kii\ . t 415 f C3 : . w I / S O � ZI — 21 -lerN-saNit 0 i Irta Bestway Concrete & Aggregates —Vogl Amendment-Shores Mine — MLRB 112 Permit Amendment Application Exhibit B - 1 EXHIBIT C - PRE -MINING AND MINING PLAN MAPS OF AFFECTED LANDS Please refer to the attached Existing Conditions Map and Mining Plan Map. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit C -1 DIVISION OF RECLAMATION MINING AND SAFETY PERMIT M-1998-013-AM03 BESTWAY CONCRETE & AGGREGATE SET#: SHORES GAVEL MINE AM03 - VOGL AMENDMENT WELD COUNTY, COLORADO CERTIFICATION: I HEREBY CERTIFY THAT THESE PLANS FOR THE CONSTRUCTION THE VOGL AMENDMENT WERE PREPARED UNDER MY DIRECT SUPERVISION FOR THE OWNERS THEREOF. i BY: DATE: 2/4/2020 ANDREW R.RODRIGUEZ,P.E. PERMIT BOUNDARY DESCRIPTION: AMENDED PARCEL DESCRIPTION(140.7 AMENDED ACRES+/-): :,7 /' f' ',..W.- -.‘,,--,..., - '''''---,A t t. V-2 #" ° PROPERTY DESCRIPTION(FROM TITLE COMMITMENT) " \\X-\'',.'„:" ' -' ' y,, #` Y THE BESTWAY CONCRETE&AGGREGATE DOES HEREBY ACCEPT AND APPROVE THESE PLANS FOR THE ,nf ` . C,ne+o DRMS PERMIT. PARCEL 1: `"a \ L- ,� aa. . 'v r' i e ` THE NORTHWEST QUARTER OF THE NORTHWEST QUARTER(NW'A NW'A)OF SECTION ONE(1),TOWNSHIP 2 «�`� — ° ° pi NORTH,RANGE 66 WEST OF THE 6TH P.M.,COUNTY OF WELD,STATE OF COLORADO; \ ° - _ `�'`•� --\\-'1,---\\'-- ----t.,-- --3., R + p + 2/4/2020 PARCEL 2: id3 � ;,;,/ £ e' rV�"- '^��( BY: DATE:THE EAST HALF OF THE SOUTHWEST QUARTER(E'SW%)OF SECTION 36,TOWNSHIP 3 NORTH,RANGE 68 - `° - '''' __ ,;,,e'. .--'—':';''''''' AUTHORIZED REPRESENTATIVE WEST OF THE 6TH P.M.,COUNTY OF WELD,STATE OF COLORADO;A PORTION OF THIS PARCEL WILL BE $ ' v (7,-., s, _ u,, BESTWAY CONCRETE&AGGREGATE EXCLUDED IN THE PERMIT BOUNDARY CONSISTING OF 15.1 ACRES. c„A ry• ....�. $ 1 - =r PARCEL 3: If 8F ..-- THE ' r SOUTHWEST QUARTER OF THE SOUTHWEST QUARTER(SW'A SW'A)OF SECTION 36,TOWNSHIP 3 *8i°'" g NORTH,RANGE 68 WEST OF THE 6TH P.M.,COUNTY OF WELD,STATE OF COLORADO. :,r3 AMENDED VOGL - , '=`" _ R . PARCEL' ` A 0 ,....Ot ORIGINAL PERMIT BOUNDARY(370.1 ACRES+/-): ` `^ rrCR25 aM A PARCEL OF LAND LOCATED IN SECTION 1 AND THE EAST ONE-HALF OF SECTION 2,TOWNSHIP 2 NORTH, "t SITE r ..v.. tt RANGE 68 WEST OF THE SIXTH PRINCIPAL MERIDIAN,TOWN OF FIRESTONE,COUNTY OF WELD,STATE OF �, _ '" ,' 'r , r°``; COLORADO(309.8 ACRES+/-)&LOT B OF RECORDED EXEMPTION NO.1313-1-2-RE 2024,RECORDED AUGUST h - s A 5 7,1997 IN BOOK 1620 AT RECEPTION NO.2562346,BEING A PART OF THE EAST 1/2 OF THE NORTHWEST 1/4 OF - .,• LX ST AG seoaes �, t GRHVEL MINE �` �' SECTION 1,TOWNSHIP 2 NORTH,RANGE 68 WEST OF THE 6TH P.M.,COUNTY OF WELD,STATE OF COLORADO ; ,r,A� _- '«-"'" -� ® ' R ` (60.3 ACRES+/-). --,%_..._ ~7 1 - 1 N �' PREPARED FOR: I. ,� ..i,,,-„:-7'''.'•- G BESTWAY CONCRETE&AGGREGATE r illma® OM 301 Centennial Dr. Q'r Milliken,CO 80543 z; ;` Value 1 PREPARED BY: WCR24/WE 119 e CIVIL RESURCES, LLC �.w °trn.,. C,,,...1 �S a 323 5th STREET P.O.BOX 680 NORTH FREDERICK,CO 80530 303 833 1416 PROJECT LOCATION MAP SCALE: NTS a a' REVISIONS DATE: NO. DESCRIPTION DATE BY JANUARY 17,2020 DWG: —drmavogl-overell.dwg SHEET: I 1 P . , • _ . illiwil 7 LEGEND: .Mst "HL"'E o Gj' IWLL u � LL E lair„ N a° Ai v v cD DEARER, ■■■■■� G erg ———— EDGE OF ASPHALT ® MONITORING WELL mnAVM.xDa I� I - �,>SEA„,.�'� ♦ �� al ELECTRIC BOX a I k !r : . •i • • , ' <� �J u�� -CIVIL RESURCES, LLC EDGE OF GRAVEL vAau JACQUELINE ', \ `, ` p' EDGE OF CONCRETE ® ELECTRIC METER �� MO A AIF �2I .agC 00GAS MARKERillik _ ®1111 \ i� ��rm0 W W W.CIVILRESOURCES.COM Y1 WOOD POST t ..,••I 'ii GAS LINE WATER UNE , Eli UNE I4 \ ss- SAN ITARY UNE o MAILBOX 4 1 mwToIII! O AMa saxA E UNDERGROUND POWER UNE D TELEPHONE PEDESTAL xumrwo f .......Hilo" BESTWAY CONCRETE&AGGREGATE Qa DRAINAGE MANHOLE I illrI R«/ , I ' T- UNDERGROUND TELEPHONE LINE I RALSTON ELLEN OMAN sMOR301 CENTENNIAL DR. 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R3'MUTT ORuxA¢EASEMENT,- LLC.IN COOPERATION WITH BESTWAY CONCRETE. ____41`;',p,,,,„„" -, c .,.•'' l OVERALL FLOOOPLAIN INFO IS FROM BOSE MININGKORPREC RECLAMATION PLANS THROUGH ❑00 - ; �u EXISTING AFFECTED LANDS: FLOODPLAIN INFO: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, KM /TWAY WILL TFIE ION OF TRICYCLE LANE TEXAS LLC �?_ F LOT HOLDING,LLC BRA FLOOD INSURANCE RATE MAP MINING AND SAFETY INFORMED OF ANY CHANGES - -- ' w SONAR&VOGL PANEL N0.08123CANUA T THE -WHO m ROAD Ili U( u3 EFFECTIVE DATE:JANUARY 20,2016 ANNUAL REPORTS AND FILE TECHNICAL REVISIONS NW CORNER,, 1/8 s HON EAWNEWr I NW CQRNFA E I/2,•s 1/4, �I = I/O,SEC.2,T2N,R68W xp R.0.0 RESMVAAON SEC.2,T2N,•68W COSexO 6O'ROW SW CORNER,E I/2,SE 1/4 SE 5 T2N,R68W TOTAL PERMIT AREA: AND AMENDMENT APPLICATIONS AS NECESSARY 9 SAND LAND -Eli 510.0 ACRES THROUGHOUT THE UFE OF THE MINE NORM 3O1 • - ,.1O. EXISTING VEGETATION: DCENTRAL ISTRICTLORADO WATER CONSERVANCYRRA -' SHEET: TT PROPERTY ADDRESS: >5 060 u -0 11401 COUNTYROAD 9 3/4 AGRICULTURAL FARM LAND ISISSW 100410 SEC.2, 214,R68W o HRESTONE,CO.80504 1 IN Peer) N 3 d on ....---- --wilip.44 r „ I. LEGEND: 1 I NG !n,'�r�' �� G,�°PG ED S' � � ' � C...34, ® MONITORING WELL : d'" ,�wow. ji MOM 52.111 ———— EDGE OF ASPHALT i � • t>�� .. 1 ..i - ® ELECTRIC BOX NORTH ,� ry �rY • � - -——— EDGE OF GRAVEL I / e + . 3 w ® ELECTRIC METER �� vomu,wwuEunE ��. / 1 \ wEr um 76 I M.Mm1aR wArnER P. 1 EDGE OF CONCRETE I I , H ■ CIVIL RESOURCES LLC POWER POLE ,,--,40 r', :.-:),B''`%. marrvtir° ^�i Ildhh�--e w�s°uecu.P 323 5th STREET BUILDINGR •„v; -v`Ra u,A ® M Y�l I -___ ,- , " If M� ,r' p-- PI P.O.BOX 680 — — FLOWLINE GAS WELL �� I !,�`� '•,\� °"'�� 0.'.I/� �� "q"%" F . 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L°� 1 �I ----45%6-- ONE FOOT CONTOUR WATER MARKER ]I CONTACT:MARK JOHNSON -4535-- 5 FOOT CONTOUR i SIGN I \ v i ii I gall,,gaga - MN FOUND AUOUOT CORNER PELICAN xExs usacwnaNIII IL \ im IM -- SECTION LINE AS DESCRIBED 1 • ►,, G i 32.4. , PROPERTY LINE SET ALIQUOT CORNER x°uEOxnERs ass°clanox RECEPTION I 't ` i 'rg; L — �,w OF n:AsrcnE vEUCAN SHORES AS DESCRIBED 0 (j mWJa - IIIIII -F F/A//4 FLOODPLAIN - — — — \_ TDt t/RE ASSEN POTENTIAL WETLANDS I — !�__eevn°x i s+n°sn �) s`,a"i:'v"s�a vi r,..ry..ux.axis,in.„_„_„_„_„_„_,._,..,_.ry,, U��II gC. I, R68W mwr°v rr�sane — AEL ••••••••---5-5 Vd°=.sax"rxx.a.-6 r� ama. _ CN RNB, oxoxw�Ltt7E scr la,nR,R v/.+u rxe„w cwuae,m- ,T//:"."1:1`,.rxx.am j\ v�• am,m cm.SEC..CAP xx.Mat 1 /RV&REWli 1./323 MAMMY 11 STRUCTURE a tF7- a '- . 1 uw�uIw BAREFOOT LLC 1C --PROPOSED PERMITBOUNDARY © I '++\� 1❑ frr : ' \ z PROPERTY LINEI aii __TFE:4820"- BASE FLOOD ELEVATION I 1 85 \ ill I s+�` `J. 111 r 76 xvn-uau cAm G z .. 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KERR-MCGEE OIL&GAS/ANADARKO/DRY,NOBLE ENERGY, 1. _ ,� °a CHECKED By: AIiR AS NOTED w UNITES POWER,CENTURY LINK, WELD COUNTY PUBLIC WORKS,RURAL DITCH,LAST CHANCE DITCH,TOWN OF MAP.NIT SYMBOL MAP Unit NAME _ / ,/ , KFAft-Mc(SE I 27 t JOB NO.: 213.001.38 a 1 ALTVAN LOAM,()To 1 PERCENT SLOPES i - ,' � FIRESTONE. ❑ _ DWG NAME:DRMS-VOGL-OVERALLDWG ❑3 AQUOLLS AND AQUENTS,GRAVELLY SUBSTRATUM WGOB aasmx -POs +1' 4 ''''''0 eY O ° ` / al HOME OWNERS VI HOUSES WITHIN 200':NEUMANN , I 1 Y, KERB-BBC --11, � 'T." JAMES A,AILOR MICHAEL JOSEPH,NORTON GARY L, 0 AQUOLLS AND AQUEPrs,FLOODED L © -`y �� ,'4 . k ° u IIl!t, °I/ Ta WEBER ROBERT ALAN,GROUND WATER MANAGEMENT 27 HELOT SILTY CLAY,1 TO 3 PERCENT SLOPES a1... ABAN�ONEB c• SUBOISTRICTOF THE CCWCD,VARRA CHRISTOPHER, MILLER ROBERT L LOO MOISES SALAZAR MATTHEW J, 7S VONA SANDY LOAM,0 TO 1 PERCENT SLOPES 'n \1 -- , \ STRUCTURES ( l Ly MW Fr RALSTON LAWRENCE ALLAN,MEISNER DAWN J,CLARK Ij�� _ 76 VONA SANDY LOAM,1 TO 3 PERCENT SLOPES ❑ I �.rROBERT,FREAS PETER W,STYPA ERIC,NIETO CHIRELLE, _ -- _ a &SOILS w JOHNSON RICHARD K, ESTRUZCAN1 NNCE,NROCOMB 77 VONA SANDY LOAM,3TO5PERCENT SLOPES •�� JO - . w RICHARD SCOTT JR,AVESTRUZ ANTHONY C,CHRISTOPHER gg WATER Nw CORNER,sE 1/a, F I NW OOPRE5 E i/2,Sa 1/a, I' na,o s>s -——--AO = DESTANIE R,SMITH DANIEL, R,CONWAY CHRISTOPHER CO• JEFFREY,CAMACHO MARCO,LENZ GREG,HUSS SCOTT N I/a,SEC.2,12N,R80W SEC 2,12N,•field SW CORNER,E 1/2,SE 1/4 SE 2,72N,RUM P,HOGAN JOSEPH DANIEL,BERG BERNARD I,J AND J, — ' — ' SHEET: 'S ENT LLC WAVERLY,DOYLE DAVID,TILL STEVEN SOBERS EOwnO OOAS CONSERVANCY VaARn -00 ROBERT JR,TREVINO SELSO JR,J A R HOLDINGS,LLC, 000lcr VOGL RICHARD J,STINAR TOM,LEE JENNY L,SUN 8 1 3 03 O COMMUNITIES SW CORNER SEC.2, N,ROOK c] N T A i m ummtil r. �rrrrr�,, I � i I ' LEGEND: €CC---=--_,"EDGE OF ASPHALT ® MONITORING WELL o I �1 A i 1 I -'. Oh. �/ ,yrrr 1 44, I I I •��/ E9 ELECTRIC BOX I --- EDGE OF GRAVEL MI EDGE OF RECLAIMED CIVIL RES'JURCES, LLC I , ® ELECTRIC METER NORTH .-I GRAVEL NINE I , I EDGE OF CONCRETE I95 ,zl 1 POWER POLE I I If-,41 323 5th STREET o 100 200 3' / m I I BUILDING ISS a _ rr yr I F P.O.Box 680 "--'.- FLOWLINE CO GAS WELL (w PELT) in / n FREDERICK,CO 80530 Ih� - WALKING PATH � 1 zl X FENCE LINE ` GAS MARKER ml I I 4 N 303.833.1416 z I INl FLOOD ZONE"AE".�• WWW.CIVILRESOURCES.COM STEEL POST II 1 pI Ii `� 3 ———— PIPE t:illzA I GAS— GAS LINE TY WOOD POST TI I'Q1 ,I ',E; oa SANITARY MANHOLE ' II I I I W— WATER LINE RsKnow Was" I I onE— OVERHEAD POWER LINE SANITARY MARKER ®betoreyoudis / -`1 I i1 III ss— SANITARY LINE MAILBOX 9PIp \NE I.p11 i I kb gt[( IG1 , , ion �A z BESTWAY CONCRETE&AGGREGATE E- UNDERGROUND POWER UNE I ° TELEPHONE PEDESTAL I + LEI I I Irt111 '`� O- DRAINAGE MANHOLE I m-^-- ^�'.- '--`-`- I Ipl ,I-("Irrryr 301 CENTENNIAL DR. r- UNDERGROUND TELEPHONE LINE .... -`'''T'''' �� - - , , , j°' 9 I I , I`�11 19'1 MILLIKEN,CO 80543 —' '— TOP OF BANK 8.8 WATER VALVE 11 11 1�4p'KMGG RIGHT-OF-WAY EA•EMENr 1 r• I R.4182501 Y 111 rr 970 587 7277 TOE OF BANK o WATER METER MWz `�-' { I II WATER MARKER 1 �'f• fT 11811 CONTACT: MARK JOHNSON N -4825- ONE FOOT CONTOUR ` _ I 'I zQ'OFFSET — ^.,�g,T LL i ---_- N88_21'28"E 13_' Ir2P_�61EE3 ----- I./. 11 4835-- 5 FOOT CONTOUR 'I SIGN ic' _ _ `' 1 1 ,I, ..._ P,11 TTT FOUND ALIQUOT CORNERI M \\\ a,ll SECTION LINE AS DESCRIBED [TELL ZB 4,Y1T a `1111".I I / — •j . � _t6'uR�sEMENr FWAY PROPERTY LINEauc, SET ALIQUOT CORNER 9{44 ACRE WET Z6 ,i ''''''yyy AS DESCRIBED MINED& 7 II REC 02140033 -A A A A A A L FLOODPLAIN RBICLAIMED TO / . 1Y za CMP Y ((''/X-- ;1 NATIVE GRADE za CMP IN ett e �I INV=4812.3 % 1 SO'OFFSET �� POTENTIAL WETLANDS 1! 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IrvIN _ z I I`�l rrr>rr7Y77111C7A'L VIm1 �� FAgDittREL0418250N HV=48155P ILL �� '1� _ 21' 11 EOUIPM 1!"'M'I'RING 1 �.IIII�IIIII 4f:}If0 1 EI�� PVe I� I ,'KMOC 4.1 124" � RIG T-08-WAY J N! ' - 1 41182501 Gf%T/YJ Ar INv=4811.6 //�P W .,I°�"•a•• A Id \ t'. /� 24.PVC Nv 4812.8 t/ 0'PNDiOAD A \ OPTIONPROPO SA CONVEYOR 25'OFFSET C}:IAGf � 19'STFEi. UTILITY PEASEMENi ' INV=4821.6 „I LEA. 41 FLOODPLAIN INFO: �''2 ° / z sE 'kg 118264 //////// �'�—�� APPLICANT: I Cam_ L•�� L � MJ"VERTICAL CMP 25'OFFSET "1Pik ELL 2A I I STE ACE � • - ® � 'T'FLOODPLAIN INFO IS FROM BESTWAY CONCRETE COMPANY,INC 9.7 ACRE '1 n-'"5 FIRM FLOOD INSURANCE RATE MAP 301 CENTENNIAL DRIVE w K i ox°rn°R,e 'PANEL ND.0812301890E ECLAIMED TO m,� 'TAM I '' t 1 ` �� r�•- J6 VERTICAL CMP PAVEMENT MILLIKEN,CO 80543 LINED WATER' ORAGE iim�.I � zs 91 RECEPTION�4204754 -2e-oFp�ET ME �' JI!ny EFFECTIVE DATE: JANUARY 20,2016 I " zx i�A �� .-� te"_cMP 1 cM sn+- E- �' 7�7 0.4 NOTES: AFFECTED LANDS: saa13'a7 3za.7D' OxYE�� \ a _ _ _ ' °" 4 REVISIONS CIVIL RESOURCES,LLC.IS NOT RESPONSIBLE FOR 1 INv-4821.2 TOP aez s" Rosswc /<� VV :) 0 EI DESCRIPTION MIME SAFETY,IN,ON,OR ABOUT THE PROJECT SITE,NOR TRICYCLE LANE TEXAS ITC III Alee3 nA Mw NW _Nv 4e3 ,? HY , =�� LOT HOLDING,LLC TM A I; k FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ,y77rr yr I G} • • PRaPDseD ,r V ',. wa ANY REGULATIONS THERETO. STNAR&VOGL 11y7 7, rrrr; xcnRrr Boo PRrw e P Isnrvc PECHaRCE p uE.rpPJ` Y I Di �-- J�� s 6,a°r tilt. 0ND TO BE REC NMEO OP ON A .-- TOTAL PERMIT AREA: Al mMwA ATrAcvK6swe moss v I .,, O H EX LAST CHANCE ^/y AA THESE MAPS WERE PREPARED BY CINL RESOURCES, 510.8 ACRES A4A �� z5;%pRFErzr oPFI1SET —_ +0 / O RcanOn DITCH t — LLC IN COOPERATION WITH BESTWAY CONCRETE. T 3-cwN SU. PROPERTY ADDRESS: " — INv `\�dfff==-c_=--' '� — BESTWAY WILL KEEP THE DIVISION OF RECLAMATION _,.. \� �� c� j M—� MAPPa.F1OOpPWN � P ..---,858-=---;,0E,o � ppy�+'l�{/l I MINING AND SAFETY INFORMED OF ANY CHANGES 11401 ODUNN ROAD 9 3 4 - �, 1 +file e• TT >.z.,. .. -- ." 'Y .. Tz r'rr� TO THE MINING OR RECLAMATION PLANS THROUGH FIRESTONE,CO.80504 .111 - •� �, 1 CMP �` '�-^ I ANNUAL REPORTS AND FILE TECHNICAL REVISIONS 1-191 /- NA4 roP-48240;�T'n PROPOSED CONVEYO� // I AND AMENDMENT APPLICATORS AS NECESSARY 7777 ` � DEMON B KEp- ®�,, TRI-TOWN ORNNAGE THROUGHOUT THE LIFE OF THE MINE. a o "�� - _ 12 ST'E'T MCEE �% SURVEY INFO: Ii �! TOP-448283 SW T—IN / PRIOR TO CONSTRUCTION ALL UTILITY,GAS WELL, n-1 o 1 aaPo Ep i {r ^ OIL WELL,&WATER WELL LOCATIONS MUST BE • INV�48241 cnassec \ ^VERIFIED. DING SURVEYORS eAFt El WIRE FENCE ^ 112'STEEL / :- ., l'o'7, M650 E.Garden Drive I Windsor,Colorado 80550 I I wv=ae24. 1 phone(970)686-5011 I _ II 'VIIIFOxO E Iuxm awRQw0I Cavail:'f QKingSurveyors.mm 1J0 OFFSET e}f" I FLOOD ZONE"X" uinlxc c0MP1£lE& RURALrDIrcH - NO FLOODING POND0000 x000 1IATEItAL TO BE �`)MININGEANpURECON8CRUCTEO `! , nQ FOR RECLAMATION J+ I / U y20^ e� Y ff DESIGNED BY: ARR DATE:0810F OM MLE OR EASEMENT NO LE88 THAN 20' 3aQl'APESVARIES R N PERM i PROPERTY LINE ROW I vS NOTED v O CyDRAWN BY: 988_ SCALE.APRIVATECELL 1 y b� EAST IwasE NTEMPORARY TOPSOIL LATERAL 22.2 ACRE WET qI / // Y 9 Act/- CHECKED BY: Ai AS NOTED X38.0' I MINED& ti (`7 BacNFIMFO ^ I JOB NO.: 213.001.38 o STOCKPILE SETBACK Fl MIMncgPL IE T, N RECLAIM ED TO I +. , ❑ I [l n DWG NAME:DRMS-VOGLDWG NATIVE GRADE 5p'rcF4cc glcf-wAY'Asa E V 03 .,.. EXISTING GRADE n, i, AEC 42Qa764 v LI M rn GROUNDWATER PHASE 1 333 , r SLURRY WALL ❑ 3p'aFFSEr � 'I Y RURa�wr 6 `- -_ � V r 120 TOWN OFIRESTEWAY cPP -,[7:F r BY TOWN OF FIRESTONE M9 a's, ! r MINING PLAN ABLE 2 co N D 1 PHASES 2 3 '•� I� INv RURAL L 3 20'OFFSET F. J AAA D DI c PALE T L 1' V >` w r,,,,.,,r,rx,,,,,,, ,,,,,,r„nnrv>,n,,,,,,,,,,,,,r,,,n,,,rrrrrrrrrrrnr ,,,,,, , rr„ „r,r,,,,,,,n„ ffl \\ _GSPl�— e'CMP AA AAA AL AA LAFA .. ,,,rn ,nr ., r.n u OEWATERING TRENCH POSIBVE `II -7...- -------- - _ — N88 E 28 w DRAINAGE TO SUMP BOTTOM OF _ _�� .4m— _ �� •—• NV.��--i�li J T o. .. m CRAWL RESERVE _ "—_ � _ �s ,3 ��_ _$� , _—`_ WELD ENO 5 2 O 12"CP - £X.RU L 02N� SHEET: 1370' 1336. TYPICAL TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION �p — — 6.1/4-4826.1 TIE CONVEYOR THE INTO EXISINO ',TEE. I m TiOT TO SCALE ._,' LANE To THE SOUTH, C 24"CMP BARBED-WIDE FENCE � / PROCESSIN HQRES c 8 INv=4828.0 w o., µ44 .1-L--i I�� Porvo�, ��11 H I 3. 41 co EXHIBIT D - MINING PLAN This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.4 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Description of the method(s) of mining to be employed in each stage of the operation as related to any surface disturbance on affected lands; The proposed amendment area includes a significant deposit of sand and gravel located in the alluvium of the St. Vrain River in Weld County. The site is located south of the St. Vrain River, north of WCR 24 3/4 and west of Colorado Boulevard. The permit boundary will include an additional 140.7 acres +/-. The Shores Permit Boundary will encompass Existing Conditions and Site Preparation: Existing Conditions The current Shores Gravel Mine is actively being mined. The proposed amended property is a fallow piece of ground bounded on the north by the St. Vrain River, on the east by Pelican Shores Subdivision, on the south by WCR 26 and WCR 24 3/4, and on the west by the rural properties and fallow land. Site Preparation Initial disturbance of the property will include: clearing the site of existing structures (with exception of the structures to remain), and stripping the topsoil and overburden. Minna: Shores Main Gravel Mine All cells have been mined and reclaimed except for Cell A/Pond A on the west side of the mine. The area where the processing plant is will be mined out at the very end of the mine as the plant has to be removed to allow for access to the underlying ground. Vogl Amended Area Cell 1— to be wet mined out, silt storage and fresh water pond Cell 2a — to be mined out — proposed slurry wall Cell 2b — to be wet mined out, and backfilled Cell 3 — to be mined out — proposed slurry wall The operator will develop and comply with a Stormwater Management Plan and Spill, Prevention, Control and Countermeasures Plan. The operator will notify the Division of Mine Safety and Reclamation in the event of a reportable spill. Processing: All material mined under this proposed application will be transported by conveyor or haul truck to the processing area. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit D -1 Import Material: Bestway Concrete & Aggregates may import material from and export material to other sites. The applicant is aware that in accordance with Rule 3.1.5(9) of the Construction Material Rules and Regulations, if any offsite material is used as backfill, a notarized letter will be submitted to the Division indicating the materials are inert. The applicant will supply such a letter to the Division if, at the time of Reclamation, the applicant intends to use off -site material as backfill. (b) Earthmoving; Topsoil and overburden will be stripped with scrapers or bulldozers and stockpiled in segregated piles at the edge of the active mine. Excavators, front-end loaders, and bulldozers will be used to excavate the material. Conveyor belts or haul trucks will be utilized to transport the raw material from the active mine phase to the processing area. (c) All water diversions and impoundments; and The perimeter of the mined area will be dewatered by digging a trench to bedrock. The water will be pumped into a settling pond and discharged in accordance with a CDPS permit. Wash water for the processing area will be recycled through a series of small ponds within the processing area. The water required to operate the facility will likely be provided by the existing water rights associated with the property. No ditches will be disturbed without prior authorization of the appropriate ditch company. (d) The size of area(s) to be worked at any one time. Typically 10 to 20 acres areas are disturbed during mining. (e) An approximate timetable to describe the mining operation. The timetable is for the purpose of establishing the relationship between mining and reclamation during the different phases of a mining operation. The Operator anticipates that mining will commence as soon as all permits are in place. The Operator anticipates extracting approximately 500,000 tons of aggregate per year, however, production rate may vary based on market demands. Timetable for Mining and Reclamation There is approximately 3 million tons of aggregate and which will provide 6 to 8 years of mining reserves. Cell 1 will be mined first, then Cell 2 and Cell 3. Reclamation will begin immediately after mining is complete. When possible, concurrent reclamation practices will be used to minimize site disturbance and to limit material handling to the greatest extent possible. Please refer to the Mining Plan Map in Exhibit C for phase areas to be mined, locations and areas. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit D - 2 (I) Use Mining Plan Map in conjunction with narrative to present: (i.) Nature, depth and thickness of the deposit and thickness and type of overburden to be removed Exploratory borings were performed by Bestway Concrete. The bedrock depths in the proposed mine areas ranged from approximately 20 feet to 30 feet below the ground surface. (ii) Nature of the stratum immediately beneath the material to be mined in sedimentary deposits The site is located approximately 15 miles east of the foothills of the Colorado Front Range on the western flank of the Denver Structural Basin. The basin is a downwarp of sedimentary strata that tends north-northwest, parallel to the mountain front. In the project area, the sedimentary bed dips gently eastward toward the axis of the basin east of the site. Based on regional geologic mapping (Colton, 1978), the near surface bedrock in the project area is the Paleocene and Upper Cretaceous Denver and Arapahoe Formations. The bedrock is overlain by upper Pleistocene and Holocene (Quarternary age) gravel deposits and eolian (wind blown) overburden soils. The gravel deposits exist primarily within the Broadway Alluvium deposit. The bedrock unit consists mainly of claystone and may contain lenses of siltstone and sandstone. (g) Identify the primary and secondary commodities to be mined/extracted and describe the intended use. The primary commodities are sand, gravel and fill; intended for construction materials. (h) Name and describe the intended use of all expected incidental products to be mined/extracted by the proposed operation. There are no expected incidental products to be mined. (I) Specify if explosives will be used in conjunction with the mining (or reclamation) No explosive material will be used on -site. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit D - 3 EXHIBIT E - RECLAMATION PLAN This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.5 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: The proposed mining and reclamation plan focuses on minimizing the ecological impacts of mining, minimizing the length of time of impact, and maximizing long-term benefits. The mine is currently: Main Shores Mine Area: Pond A — slurry lined and reclaimed as water storage. Slurry Wall has been approved, mining is not complete and Pond A will be the final phase of the mining for the entire site, 6 to 8 years out. Pond B — slurry lined and reclaimed as water storage. Slurry Wall has been approved and water is currently being stored. Pond C — slurry lined and reclaimed as water storage. Slurry Wall has been approved and water is currently being stored. Pond D — slurry lined and reclaimed as water storage. Slurry Wall has been approved and water is currently being stored. Vogl Amended Area: Cell 1— wet mined and reclaimed as uplands to native grades. Cell 2a — slurry lined and dry mined, reclaimed as water storage. Cell 2b - wet mined and reclaimed as uplands to native grades. Cell 3 — slurry lined and dry mined, reclaimed as water storage. (a) A description of the type(s) of reclamation the Operator proposes to achieve in the reclamation of the affected land, why each was chosen, the amount of acreage accorded to each, and a general discussion of methods of reclamation as related to the mechanics of earthmoving; The mined area will be reclaimed to existing grade. Refer to Exhibit F for the acreages and additional details. Earthmovinq The topsoil will be replaced by a scraper and generally graded with a blade. All grading will be done in a manner that controls erosion and siltation of the affected lands, to protect areas outside the affected land from slides and other damage. In addition, all backfilling and grading will be completed as soon as feasible after the mining process. All disturbed areas will be regraded and smoothed to a finished grade that is suitable for revegetation or the final land use. As noted previously, the area will be reclaimed as mining commences. Finish grading, topsoil placement and seeding will occur once the resource is completely removed. A typical cross-section of the shoreline is included on the Reclamation Plan Map. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit E -1 Once returned to existing (pre -mined) grade, the site can return to being farmed. The water storage reservoirs will be compatible with the other land uses in the vicinity, which includes farmland, industrial land, and rural residential. (c) A description of how the Reclamation Plan will be implemented to meet each applicable requirement of Section 3.1. The Operator will carry reclamation to completion with reasonable diligence. Reclamation will be completed within one to two years from completion of mining, but not more than five years from the date the Operator informs the Board or Office that such phase has commenced. Section 3.1.5 Reclamation Measures Material Handling. Grading will be performed to help control erosion and siltation of the affected lands through phased mining, implementing good operation techniques to handle material as little as possible, and vegetation of stockpiles remaining in place for more than one growing season. Although the use of erosion protection devices is not anticipated, if deemed necessary by the operator at the time of excavation, silt fence and haybale dams will be installed to prevent erosion. Backfilling and grading will be completed as soon as feasible after the mining process is complete. Maximum slopes and slope combinations will be compatible with the configuration of surrounding conditions and selected land use. Mining will occur at a slope that is stable. The site will be reclaimed to grades consistent with pre -mining elevations. The operator will backfill using fill material generated on -site, or imported inert fill generated outside the permit area. If any inert off -site material is used as backfill, a notarized letter will be submitted to the Division as required by Section 3.1.5(9) of the MLRB Construction Material Rules and Regulations. It is not anticipated that mining will uncover any refuse or acid-forming or toxic producing materials, however if any such materials are encountered the operator will take precaution to handle the materials in a manner that will control unsightliness and protect the drainage system. Drill or auger holes that are part of the mining operation shall be plugged with non- combustible material, which shall prevent harmful or polluting drainage. Any test pits, soils boring holes, or monitoring wells not located within the mine excavation limits will be plugged as soon as it can be confirmed that they are no longer needed for the operation. Mined material to be disposed of within the affected area will be handled in such a manner so as to prevent any unauthorized release of pollutants to the surface drainage system. No unauthorized release of pollutants to groundwater shall occur from any materials mined, handled or disposed of within the permit area. Section 3.1.6 Water -General Requirements The Operator will comply with applicable Colorado water laws governing injury to existing water rights and with applicable state and federal water quality and dredge and fill laws and regulations. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit E - 2 The operator will develop and comply with a stormwater management plan and will use best management practices (BMPs) to ensure groundwater and surface water are protected to the greatest possible extent. BMPs include schedules of activities, prohibitions of practices, maintenance procedures and other management practices to prevent or reduce the pollution in runoff from the site. Section 3.1.7 Groundwater - Specific Requirements The Operator will comply with the applicable standards and conditions for classified and unclassified groundwater. Section 3.1.8 Wildlife The mining and reclamation plans have been designed to account for the safety and protection of wildlife on the mine site. The Operator will use concurrent reclamation methods to minimize the impact on wildlife. The proposed reclamation plan may improve wildlife habitat. The proposed seed mix and plantings will create improved cover, foraging, roosting, and nesting areas for wildlife. The water area within the reservoir will serve as habitat for waterfowl and other bird species and the fringes of the reservoir will be used by mammal, bird, reptile and amphibian species. Control and/or removal of noxious and weedy species during the project and the replacement of desirable graminoid, forb, shrub and tree species during reclamation will result in enhancement of wildlife habitat on the project site. Section 3.1.9 Topsoiling Topsoil shall be removed and segregated from other spoil. Topsoil stockpiles shall be stored in places and configurations to minimize erosion and located in areas where disturbance by ongoing mining operations will be minimized. Once stockpiled, topsoil shall be rehandled as little as possible. Stockpiles that will remain in place for more than one growing season will receive vegetative cover, as outlined on the Reclamation Plan Map, as soon as possible to minimize erosion. Section 3.1.10 Revegetation In those areas where revegetation is part of the reclamation plan, the land shall be revegetated in a manner that establishes a diverse, effective, and long-lasting vegetative cover that is capable of self -regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. The proposed seed -mix and plantings for reclamation are outlined on the Reclamation Plan included in Exhibit F of this application. Section 3.1.11 Buildings and Structures Please refer to the enclosed Reclamation Plan included in Exhibit F. Section 3.1.12 Signs and Markers The Operator will post appropriate signage at the entrance to the mine site. The permit area will be marked by existing fencing, or proximity to existing County roads. (d) Plans for topsoil segregation, preservation and replacement; for stabilization, compaction and grading of spoil; and for revegetation. Topsoil will be removed and segregated from other spoil. Topsoil not needed for reclamation may be sold or removed from the site. For reclamation, topsoil will be replaced by a scraper and generally graded with a blade. Grading shall be done in a Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit E - 3 manner that controls erosion and siltation of the affected land and protects areas outside the affected land from slides and other damage. In addition, backfilling and grading shall be completed as soon as feasible after the mining process. Final grading will create a final topography that is appropriate for the final land use. For example, grades on the site will be returned to existing (pre -mining) grade. Topsoil will be uniformly placed and spread on areas disturbed by the mining. The minimum thickness shall be 6 inches above the surrounding finished grade, consistent with existing topsoil depths on -site. The topsoil shall be keyed to the underlying and surrounding material by the use of harrows, rollers or other equipment suitable for the purpose. In those areas where revegetation is part of the reclamation plan, the Operator will revegetate the land in such a manner so as to establish a diverse, effective, and long- lasting vegetative cover that is capable of self -regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. Seed will be drilled and mulched. The revegetation seeding and plant list on the Reclamation Plan Map contains the preferred species of grasses, shrubs and trees to be planted. Seeding will take place once final grading and replacement of topsoil have been completed. Timing of seeding will be consistent with standard horticultural practice for dryland applications - generally between late September and the middle of April to ensure there is adequate moisture for germination. (e) A plan or schedule indicating how and when reclamation will be implemented. Include: i. An estimate of the periods of time which will be required for the various stages or phases of reclamation. Please refer to the Timetable for Mining and Reclamation in Section (e) of Exhibit D. ii. A description of the size and location of each area to be reclaimed during each phase. Please refer to the Reclamation Plan Map (Exhibit F). Outlining the sequence in which each stage or phase of reclamation will be carried out. Please refer to the Timetable for Mining and Reclamation in Section (e) of Exhibit D. (0 A description of i. Final grading - maximum anticipated slope gradient or expected ranges thereof; The finished slopes of the reservoir will be 3 horizontal to 1 vertical. Any area reclaimed to native grade will match natural topography. ii. Seeding - types, mixtures, quantities and time of application; Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit E - 4 Please refer to the Reclamation Plan Map for the list of plant materials and seeds to be utilized. The operator will seed during the appropriate season to ensure adequate moisture for germination and implement weed controls to allow the grasses to successfully establish. Additional plantings may be installed once the reservoirs are full of water and the grasses are established. iii. Fertilization —types, mixtures, quantities, and time of application; The type and application rate of fertilizer shall be determined based on a soil test at the time of final reclamation. iv. Revegetation - types of trees, shrubs, etc.; and Please refer to the Reclamation and Landscape Plan Maps for the types, quantities and location of trees and shrubs to be planted. v. Topsoiling - specify anticipated minimum depth or range of depths for those areas where topsoil will be replaced. Topsoil will be uniformly placed and spread on all areas disturbed by the mining above the anticipated high water line. The minimum thickness shall be 6 inches above the surrounding finished grade. WEED MANAGEMENT PLAN Bestway Concrete & Aggregates has a full-time weed manager on staff. This person is responsible for monitoring and controlling noxious weeds as they appear. Bestway Concrete typically prefers to control weeds mechanically, by mowing and/or discing. If necessary, weeds will be killed with a contact herbicide. Bestway Concrete has all of the necessary equipment in house to perform these tasks. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit E - 5 EXHIBIT F- RECLAMATION PLAN MAP Please refer to the attached Reclamation Plan Map. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit F -1 LEGEND: rr. ; y ///Y i -�° / i � �� 1' A 46 ———— EDGE OF ASPHALT ® MONITORING WELL ori 1 / /}/X2.-;1.` r !1I (J',\ III �� I. 4 0 � /\ / ^I CO EDGE OF GRAVEL EB ELECTRIC BOX MI EDGE OF RECLAIMED 1 t r�/ I I I \I T `'r 1/ `\///m� / /\ \l ` EDGE OF CONCRETE M ELECTRIC METER ^1 ' f \/ Ia1 / — \ 3 NE�l ,m, / \ �;// \ \\ CIVIL RESOURCES, LLC BUILDING POWER POLE N rzz I,IN III�1 / �� I \J / r \ \ Ia��N0 323 5th STREET GAS WELL WALKING PATHII- \`r 121 / \ '4 I /'1 f 1(//I/J J J T ) Wj —'•—'— FLOWLINE T '-I ----- - I 1 f' .; ( �_ �, P.O.BOX 680 zl h i 7� ro FLOOD ZONE/"pE"\ #1,047,: . FREDERICK,CO 80530 X FENCE UNE GAS MARKER �.\ \ I I o S. 1/ / `l IA$qr - � `v( 303.833.1416 S STEEL POST II I // \ ' 1 o t %k i --, WWW.CIVILRESOURCES.COM --- PIPE c iI Im1 Y•,--- I I v \ -GA5- GAS UNE YI WOOD POST I ' 1�I I\ i'r\\ d9� \\�/ III'P/'�r'�L,��'\\ 1\ \ .'42�1 OR SANITARY MANHOLE j l 1 / I 1\ �._, \ ( � \ \ Z. w- WATER UNE 159 i 1 4 K 1 / — t-1.\/\ 6 c\\ �.< z BHE— OVERHEAD POWER LINE r SANITARY MARKER / /I I I I�'. \I\Z \ t1 11 I1 �EaO \ d_E \1 -55— SANITARY LINE • MAILBOX NRp\N RNER - J -Il01 '4_ i 1 /I Ill�� L �l �•�� / 1 E UNDERGROUND POWER UNE a TELEPHONE PEDESTAL II I -_-, / III /I �'�`l \ jai (1 ♦#416.' I _ 1 —' II P / \ �.� p BESTWAY CONCRETE&AGGREGATE —T UNDERGROUND TELEPHONE LINE O-° DRAINAGE MANHOLE �-""` , J I /II y I / 'I- \_`'ti� J 1111 i "„,. Cb WATER VALVE I' /, I,/f 42.KMcc REM 4182501 CEMENT / II /I 1\ 4q f 11.11 r_ 301 CENTENNIAL DR. — — — TOP OF BANK ',-1 1 TOE OF BANK O WATER METER I it T ��_ ��) I I S I0 / JI'4810_ c CFE ESR\AP s�� 11111 MI 970E 87 CO72 8543 �a \_. v= \ TI {..\II 1 N88'21'28E 132Y/��_ iz'stEEL _ 11 I `T —�� --\---_t- 1 59 00 ( /I 11 CONTACT: MARK JOHNSON SIGNER MARKER — t` 1 ' -- V t^ � —___�\ -\R�-iEa-'''',41-%(-197,/"..,,o4 ',fy9^1�.!GI \J II,I �1 4B, ONE FOOT CONTOUR \ , I R, 1 1 SIGN I I pe r�I A i I\I 'b ♦R'— / .- 4') 111 -ea]s-- 5 FOOT CONTOUR 1 — U J ./ SECTION LINE si FOUND AUOUOT CORNER J 11N 1 I'I / p.'.—/..,,_‘4' / h .✓`' e� ,' (� / \ 11/ I ti F / INV 4871 7 �' •\ 1 AS DESCRIBED \— 1 I I( srB12\ BA _� I I I ,F •/ 1 h s1� i 19'UREA RIGHT OF WAY PROPERTY LINE / _._ , I1( �/ _ 1 �/1 A \ %�L.76.1., - REco2 EASEMENT SET ALIQUOT CORNER _ . —/ I- I If 11 �` .-7-----L-. 4g l AS DESCRIBED �'T—'— l\ =l Y -AC F,<</� FLOODPLAIN , '481B�/ \ t f v _,—� ,,. / ' '1 POND 2B 24"GNP 11/V l I GILL ..,,.,,.,- SLURRY WALL GREMAINED RADE TO NAME 11 _ / '4818' a51, I > ) •••14.......4000„...........--- .�Q, K I I—� POTENTIAL WETLANDS J\I, n ., / I✓yq 48 8 J?, 8!I"f INVERr EL:aelzs \\ /V 1 (1 N ^� I INFLOW/OUTFLOW SPILLWAY i 14 =M FLOW PATH l _ w! STRUCTURE ,1 v PYRAMAT - r i�/ /%�jl ^' 1, I 1yl f _�_. OFl%lwflA II L=IW FEET - H O / L Wirth 26.000 ST / 0=x422 CFS PROPOSED PERMIT BOUNDARY /.."/----------r-'---- — /^) / // CG4B`s ,, ° CIII 81910212019 I�1 1• z w O — — INFLOW SPILLWAY _ % / i7 1 INVERT EL;4818 ///S� ,-y----- --- ��` / 2at,CMP / 4818'�''I] <�I�L} 1•. II L LU Q — PROPERTY LINE o=1,4047 CF5 ti l ice / / 1 Nv'1 6 1 4810 1 / eRi Yom/ i i// 'i m INFLOW SPILLWAY a k --�eFE:480,I- BASE FLOOD ELEVATION zsaB r Ns aF,e• 411''''''''''''''. �/ y '� Lu 3 .•'yzar / INVENT EL 4816 1 2 I , IH O SURVEY INFO: -cZeRETE Ri RAP ®.a VOGL STATE aHx =,O7 EE A =�, c 4 /t� :,' 7 0=1049 CFS I A EX.LOGI/ON G Z J \ \", // %.01-...4. wGL 13C 35HZ 4„ RURAL:TON Iil O APPLICANT: ) ////I IVOGL STATE P fi �91J AG SSURFAtE ACRF5 II A✓, RURAL -i C DING SURVEYORS I `..._,--1k--/ •i-r �wG, ` Sn \ . 1 M�wA ER �1� II \ RECEPnoN p 2140933 w QG BESTWAY CONCRETE COMPANY,INC DSO E,Crasden Drive I Windsor.Colorado 80550 --I) igy VOGL STATE 39N']8NZ Z _ SroRAGE n 4 301 CENTENNIAL DRIVE phone:(970)686-5011 I I-J /l// 1\ , "•,,...„,�c. h II i , � zr we Q W MILUKEN,CO 80543 gSassveynss.com \.\/ \ I E.:('''\- 111 11 /, ,. /I� - Ik1 1 �ii4 Irry aetss ennzil:info@KingSurveyors.com +II \I im 1 1 I ]a".6a"HCP z z / FLOOD ZONE AE" �(,\ ar ry i 1 7 1NV aB,s.e (D H �� INFLOW/OUTRO S ILLWAY lU r 1 i t ^� NOTES: ;� mvER 1'' 11 I !Hi„,y,,._E,i,,,,,Ey 11,'1�3oo'xno PreaoucnoH'7777 "77777 y111 claliw Kva9ls sP J O AFFECTED LANDS: c-49,GFs I I FRONtt REC 418x501l0 1`-- 600 TONS OF or. 1 [l�lwlwl IS CMP WIT/METERING —1 UCIVIL RESOURCES,LLC.IS NOT RESPONSIBLE FOR - OncRE/N R1�Aa� 1III �� EDU PMENTTRICYCLE LANE TEXAS LLC ,1 WSAFETY,IN,ON,OR ABOUT THE PROJECT SITE,NOR // // 1ILDT HOLDING,LLC I &aRBEO WIRE FENCE/ "I 2PVCFOR COMPLIANCE BY THE APPROPRIATE PARTY OF 'II I !" _ Nr ar nri ,I Irm=4811.8 \STINAR&VOGL flEMOwO FOF MINING y 1I 3 419250 / Q J ANY REGULATIONS THERETO. o. I En • "(00 za Pvc LLJ s0'RAILROAD CS/IPl INV=4Bi2.e TOTAL PERMD AREA: 1 °I510.8 ACRES THESE MAPS WERE PREPARED BY CIVIL RESOURCES, 1 A PUBUc I rs" U,LLC.IN COOPERATION WITH BESTWAY CONCRETE. Il ''Porto 2A x5 SURFACE ACRES I "kg EASEMQii I . Inv=4921.6PROPERTY ADDRESS; BESTWAY WILL KEEP THE DIVISION OF RECLAMATION -337Ac L6e.91, i REC 116264 • n.. I„r11401 COUNtt ROAD 9 3/4 MINING AND SAFETY INFORMED OF ANY CHANGESMWEE 1 •\ 9 {%, 12GMP WITH METERING EQUIPMENT TO THE MINING OR RECLAMATION PLANS THROUGH —./ sTREow�GE6D warm ��,wnau M P U , ` FIRESTONE,CO.80504 1 - ANNUAL REPORTS AND ALE TECHNICAL REVISIONS / �,-I Fo L LE:L 13x Sc ^_�I-- 1 w AND AMENDMENT APPLICATIONS AS NECESSARY ocR ea"''''''E a T\ 1 I 1 / l.� 36^VERTICAL MAP PAVEMENT THROUGHOUT THE LIFE OF THE MINE. �� v � a / k\111 L RECEPTION 4204764 —------_,...- ..---_.-----'•'=F r ^'t,-. I /l) ,''1 9 •/. — �� v..cx.''11,t; YWL �a PRIOR TO CONSTRUCTION ALL UTILITY,GAS WELL, ae OIL WELL,&WATER WELL LOCATORS MUST BE / sroRr 6IucK Nv aav J roP-T CMP Vk >: VERIFIED. r 58873'47 , 13214.70' ' EII� �.i 1, ( - V �y) I COMMITB95 / 19"STEEL VV REVISIONS ' ' . I I II "may I Mw-Nw A30 REA RECLAIMED INV.4B2,.2 y �N @i DESCRIPTION SEEDING SPEC FOR UPLAND AREAS: 177 7t•"'77Yyyrryry y II s NATIVE \.' �1 Wa M-- 11 w 02102202�I fn \ van 6"a,�M"°°°v.r R. mG SOTS 4 Al'''S1 --- A 1 / .A J , IX.VSf CHANCE y A COMMON NAME SCIENTIFIC NAME LBS -0 I s —. a.sos s9n _ O V (VARIETY) PLS/ACRE Al s.,• 1z"GIP 1 nyy„ I Por T' C ' 3-aun sLGs IRRI12 UN O1rcH V Irvv=a9z3O __ '''.\ _ SAND BLUESTEM (CHAMP,CHET) 1 MAPP.,FLooOPuarv1 "�"—" `•`-1 -----4.,9,,,.......,...............o.,............7.1•66... ,•a' C��((( cR - •- i�i `,!�) -- 11"{ �„• /_ - •/(\ . RAMm WOOaO _`1 / '-;:7---------1—I----:..__--'—' -;: 7t * I .-- SANG LOVEGRASS (BEND,NATIVE,NE27) 2.5 7yyy1111 X11 I /////�%I/Mw3T(,,J- —__ _-- �=_�_ _L 73® TOP 48x4.9 / 11 / NN INDIAN RICEGRASS (NEZPAR,RIMROCK) 3 I %/,�/J �� I �v f�" `\ Y r�kC� / L MEE �,` il \ ^ F�,,,. * TRI-TOWN ORAINAOE \//~ r TOP=482].3 ' 1 I 31+uI IN', PRAIRIE SANDREED (GOSHEN) 0.75 =....-, �� 1 r NORTH r,_,,_,____ " le GNP LAST CHANCE i �` / \ / GREEN NEEDLEGRASS (LODORM) 1.5 ( �ao IM/=48x4.1 arcH / I BARBED WIRE FENCE \ / WO 200 m I I V STER UTILE BLUESTEMII /I \ _ / m 1Nv.a005 (BLAZE,CIMARRON,CAMPER) 0.75 yaad0 J) / _ d8g6' I i YELLOW INDIANGRASS (CHEYENNE,HOLT,SCOUT) 0.5 I m MG I\` )\4 /\ I: NDEIcurLtn6R1 k RURAL DITCH T* FLOOD ZONE"X" m POD ( LINR \f/ 1 NO FLOODING \ U+I II I s'°R^G6 SWITCHGRAGS (BLACKWELL.NEBRASKA 28) 1.5 1 I,. I g I \\ ,� / Ilt l \\ __ / I. r. 2a M SAND DROPSEED 0.5 I 1 II `4826 / POND Imo' . o t O i , ucwN9DTD NATIVE .. I v >. fro TOTAL LBS PER ACRE 12.0 y�� a ., GRADE 12 mnA900,1 CI w NO know what's below. PRIVATE 1 V 2, DESIGNED BY: ARR DATE:FebM 2000 , It 10' WIDE ACCESS Gall before I �� '' II I /1 * I DRAWN BY: 688_ SCALE:AS NOTED ROAD, VARIES IN LOCATION o CHECKED BY: ARR AS NOTED `� EASEMENT SEED WITH SPECIFIED ❑ s9'watt reIG1iT-aF-war E/SEMENr II illn r ]08 No.: 213.001.38 a SEED MIX,THIS SHEET MAX.WATER [� 1 R I REc az0a7s4 _i L DWG NAME:DRMS-VOGL DWG•v 20 MIN 25 CR ST. /SURFACE 8 �I I L.I. ea: noN 720•FUTURE DRAINAcBwaY . .. .�` _- .. — J D I!.. V RENRN DITCH BY TOWN OF FIRESTONE RURAL �� OVERBURUEN�.�� ►V•.v��►�.`m�. RJ I+I p91W ^\ I6^cPP I ii,'T,F•.lI �� ° 3 1 \ Inv aez\a I i Y RECLAMATION _ 2a°cM� �:82g-` RURAL .ALLUVIAL SAND�& _ - I Irvv=a�z79 \\ �'\\ °RBH GUY POLE { YYAFY _ A- 6/1 . .GRAVEL _- _ - _ v wv le .� — —_ rvv.a9zs : I,.. YY h I ..n.,. .,,�,.. .u,�lun IIIAF1 Al A4 �< PLAN L1-1 -' - -- ---,�.G�,�- — _a�'�S F N88'13'10"E 1336.28' / / / / / / / / / / / / / / /. // /i ' __ _ �.PwRs�. — L L FCY \\ / \\CLAYSTOE BEOROC`K / \ ___-- _"_z r>rril 12"GMP l E,:0000 obcN� r/ m //,/Z\/\G\/\//,/,�f, A ////%//%//%////://r://///////;///.//i//i///, /, r,//,/i/• • x_` H, Y HI INv=49x6., �_// uTeraL /v ,.Ili" — — gY- TT i _ �� r 'i 24"CMP BARBED-WIRE FENCE YT I IlI (i( SHEET: NV 9280 SLURRY LINED RECLAMATION DETAIL5 n ...uw, Vya /‘. :___.<1<.'11- ,�1 Da NOT TO BCAIE •w,a:m., .. •• a V , I�CN d m / sw mM sec 3a isri,x.5.. A i••/ ■ _',¢ 3]TiIXkiM•k &:-. _ n. LEGEND: "" 2 M — wxN� 148 s -s"> M J 1 73'47' ' 6s.T a GI EMEr % U/rn^ TG NATNE GMRaGE INV 4aIF ZiE] MW4wuMw6uu�cwn w's re6s' Cr........3.. !� MONITORING WELL s`or 3LocK w/Anacso°soL°s u z5s66• _ ———— EDGE OF ASPHALT 7 -, �� i2"CMP < I i Su ———— EDGE OF GRAVEL ® ELECTRIC BOX `..INV=abz3.G a-cnxn sl ' ------ W ELECTRIC METER *, -----7-- --- sit, rrtru r — . .,:- ::.�., Lai.. ''''` 'r'. 46 CM ,.A6 COLT i-N ''''''''s"-..„..„,_.,,,,,-.....,,„ CIVIL RES'�URCES, LLC EDGE OF CONCRETE 6 R— - son. rGP=4IV'S / /,,f ""L> �/"_ -- — IRRlcanory ort POWER POLE 9� t I J1' IV'STEEL .`.may—^T°I-TowN DRAINAGE BUILDING pi _ J TOR-4023.t._ 1 � 323 5th STREET ® GAS WELL 12"CRP UST CHANCE --.'i \ \ P.O.Box 680 -'- FLOWLNE La T ., INV=4624.1 DITCH r BARGED WIRE FENCE 12' EL X FENCE UNE I GAS MARKER *,A i // \\__,pg26 a INV- .8 P�D303833 14 60530 PIPE \ q)\ J I I Em(OMR LINER) / / RURu GrtcR .r W W W.CIVILRESOURCES.COM STEEL POST I 6, 4 ATE f GAS— GAS LINE Y7 WOOD POST II (\ / \ l / —, ;sO' W— WATER UNE Da SANITARY MANHOLE ' ^ 48[6 J., Paw I to Ns SANITARY MARKER O/� al ,„„.,,,,E_, RECLATMm TO NAME I II I 4554 RECLAIMED OHE— OVERHEAD POWER UNE ❑ J LATEwa G"�E NA- eGRnn C/ y v MAILBOX - S0 MCC RIGHT-or-WAY EASEMENT SS— SANITARY UNE ❑ 0 J.{ CO LAST CHANCE 5144 P.OW. TELEPHONE PEDESTALo o ❑ I' I REC 4204]64 L_ E UNDERGROUND POWER LINE q —� I BESTWAY CONCRETE&AGGREGATE LJ A la'73 L RE LPCATIPN 120'FUTURE ORAINAGEWAY Oa DRAINAGE MANHOLE Con �,., I6"CPP NON nN BY TOWN OF FIRESTONE T UNDERGROUND TELEPHONE UNE O O 0 1 Wry I!\V=4az].3 J S APR. EHx-N NEu — —.— TOP OF BANK i� WATER VALVE I�g� � -''626 \ 0RCH GUY PO.E C i 15 wj c u4Mxua cs�v 13 moo" m M01 CENTENNIAL CO 80543 o WATER METER NW CORNER,SE 1/4, 8 a ( INV=46269 V1 4825P EE� L II-r- __—_.__, ._- -,--" ,r--�-- 7277 TOE OF BANK NE 1/4,SEC.2,T2N,RfieW _: ».a �- ! N85T TOE 7336.28' I �"" — � � CONTACT. JOHNSON 12' .�� 2 x2LP ca RPAP za s N _ h 3 F�Nn2 � \ CT: MARK JO -48]6-- ONE FOOT CONTOUR WATER MARKER -rte'— _, izn,I.;:c"ews. 1°z �- _ —_ f / SIGN '�83U� ' • y \�—�FlI6 l5�i W/ 24 CMP %., ✓ INV=4626.1 I IT CMP \ f \ ,' / u- MMwNCP Is i ibis-- 5 FOOT CONTOUR � ]2"2' INV 4826.0 BARBED-WIRE FENCE /,- \' Y1/ Y FOUND AUQUOT CORNER Nws ` K', \�/ eay i--- SECTION LINE \ - ASDESCRIBEDf _PROPERTY LINE SETALIQUOTCORNER } - LOCATION OF ��, n, %•,� , - /\ r%" 'EXIST.KERB-MCCEE / :•."PRODUCTION FACILItt AN / \' }- �,, WELL(P&A) / ASDESCRIBED2VUn n e TART nan I 1 °�.,r ' I I I .r r -L A F X 1<L FLOODPLAIN EAswEni '� 7 / /'v�r�"I"r ,,•,, I I i '\'••/ SLURRY WALL '- ' r POTENTIAL WETLANDS —„-,•-^— I / ' �•,• mwnTea 30'R.O.V.RESERVARON FIR WCR 9 3/4 POND B .� _ ' �„ II• sToRAGE 1 • _ I-- RECLAIMED TO WATER ` .../I '‘').7 I - I STRUCTURE III STORAGE �'", !W'Nril.I I I ES'DITCH SETBACK O Z �''✓,T 65'DITCH SETBACK 't' I i','-- LL.� ,y— — PROPOSED PERMIT BOUNDARY : - 1 - y I I I,J,J �l CC — • • — PROPERTY LINE I ' 3 t"- „ y IA I I / �[eyW ` Z a iA. I i %/ I—I f._____ € yy� ISLURR7'wALL J LL.I - BFE:48201- BASE FLOOD ELEVATION - 9 / /' 1 ''' Z J SURVEY INFO: 1A '�'y;' O -'�„ ,...,=.2,,,, 40'MINING SETBACK FROM RURAL DITCH— POND C - APPLICANT: �`'—"-„y / II KING SURVEYORS >' ,.°� RECLAIMED TO WATER /1±° w BESTWAY CONCRETE COMPANY.INC 650 B.Garden Drive I Windsor.Colnrada 80550 Ews541 60' Ow—� s:- KERB-M . �,••" rr•� STORAGE a0'IRRIGATION&J _ N\ f, > 301 CENTENNIAL DRIVE phone:(970)686-5011 p r R e J ` __ • f • 'e.. J r, W _ y'1 --f-'- +" ,` MAINTENANCE EASEMENT II ,I — AURRY WALL MILLIKEN,CO 00543 email:mfo Itin nm NW CORNER,E I/2 SE I/4, ��_�-�- ^ �i II'�- + Y !• � .�.� � Z Z Q MsnEveyGrs.e SEC.2,T2N R68 ff'" A,.. g�T _ �% ,. ,t - - - _ - =—, - O (...9 c AFFECTED LANDS: NOTES: �I-- @" 0...,,,...,......,,-„............,— J — — — r ' eG ;a,e 6,�:0. �,64b-'' G / 1 WELD CO.ROAD 245 _ ,� A !I'1 TRICYCLE LANE •SOT HOLDING,&INGOGLL AS LLC ANY REGULATIONS THERETO. I \ &CONCRETE PLANT t '� HOLLOW FOR 0°oIxe CENTER ENT. 11/42COR6ER f o�Po !�J W U f CIVIL RESOURCES,LLC.IS NOT RESPONSIBLE FOR , „, SAFETY,IN,ON,DR ABOUT THE PROJECT SITE,NOR SITE ENTRANCE \ �I / FOR COMPLIANCE BY THE APPROPRIATE PARTY OF .' . > Q J I RECLAIMED TO NATIVE a----3 O\ 111 TOTAL PERMIT AREA: GRADE I �,v 510.8 ACRES ce THESE MAPS WERE PREPARED BY CIVIL RESOURCES,CRETE. ' LLC.IN COOPERATOR WITH BESTWAY CONCRETE. ,, / SLURRY WALL \\ /' • PROPERTY ADDRESS; BESTWAY WILL KEEP THE DIVISION OF RECLAMATION Zs'MN.SETBACK \ zs'DITCH SETBACK 11401 COUNTY ROAD 9 3/4 MINING AND SAFETY INFORMED OF ANY CHANGES • -- %A SLURRY WALL r6 xELL I •¢' SLURRY WALL _ U / TO THE MINING OR RECLAMATION PLANS THROUGH w P '� ' FIRESTONE,CO.80504 ANNUAL REPORTS AND FILE TECHNICAL REVISIONS JQ AND AMENDMENT APPLICATIONS AS NECESSARY l I A - 4' I I Iy THROUGHOUT THE LIFE OF THE MINE. 1 I I I •'/' I ,,,_____:.-...-,<-....,_ — PRIOR TO CONSTRUCTION ALL UTILITY,GAS WELL, g,I 'i POND A �' c — , „J RECLAIMED TO NATIVE OIL WELL,&WATER WELL LOCATIONS MUST BE " '..• \ Ke CIEE r \ NOBLE VERIFIED. € ,, '' GRADE N 1C',R °• 1 DIT wa%�..." L A0110A� . REVISIONS 4''.747 .,Y,s^I.,s �_'N'V,1' \ SIEIBAOC CH SEEDING SPEC FOR UPLAND AREAS: NO DESCRIPTION DATE COMMON NAME SCIENTIFIC NAME LBS ' _ �/ %" (VARIETY) PLS/ACRE I O —` \'I /.7 / i PROCESSING AREA ' SAND BLUESTEM (CHAMP,CHET) 1 I RECLAIMED TO WATER N ' - - i STORAGE AS PART OF POND A ". f �( l 1u0BLE _ ,. qq99 SAND LOVEGRASS (BEND,NATIVE,NE27) 2.5 I a'� I,tlCAATIIXJEO 1 INDIAN RICEGRASS (NEZPAR.RIMROCK) 3 I I PRAIRIE SANDREED (GOSHEN) 0.75 I i / 'T2 1 NORTH (• �." \' GREEN NEEDLEGRASS (LOOORM) 1.5 i i / IY 11 / �Is LITTLE BLUESTEM (BLAZE,CIMARRON,CAMPER) 0.75 NOBLE AB — (m men � / LOCATIp r,, � I£ - \ - 2U UNITY giNHATE EASEMENT YELLOW INDIANGRASS (CHEYENNE,HOLT,SCOUT) 0.5 I _ SILT STORAGE aSP AHALT SWITCHGRASS (BLACKWELL,NEBRASKA 28) 1.5 a '� GRADEMm TO rvamE 481 '1 ` / J — M SAND DROPSEED 0.5 '. rws �' / Q / TOTAL LBS PER ACRE: 12.0 - L/ O 1 -'s • . KI DESIGNED BY:ABB_ DATE:Tm 64,x620 Know What below. f A" 10' WIDE ACCESS Can before you dig. \ DRAwry B7: ARR SCALE:AS NOTED ROAD, VARIES N LOCATION �r \ 1----;.,"i r CHECKED BY: Ate, AS NOTED `� R OR 0I ,+�.' JOB NO.: 213,o 001.38 <= EASEMENT SEED WITH SPECIFIED \ KEiRGi-�EMpOCC�EEf // DWG NAME:DRM5-VOGLDWG A. [SEED MIX,THIS SHEET MAX. WATER ,I �RAL8U4NDONF.D / 35 20'MIN 25' CREST / SURFACE I n+l J ft In /OVEBl1R0N, ^ - { < ,5BnMttx6RNMCE ;,� ,r' RECLAMATION 3 I 'I i f EASEMENT 1 / ` o - -ALLUVIAL-SANG-& - - - - - "' - � ; 17- RECLAMATION PLAN-SHORES F GRAVEL - - - - /i�t/•///,/•••//,4:-//./,%i�///�.%/�//%.//%%i\//A///i%i//`//i�i///i�//i�/f/�j%jAj/�j/� _ J SE 1/4 SEC.2,TON,R68W SE CORNER SHEET: '� SEC.2,T?N,R68W SLURRY LINED RECLAMATION DETAIL w'R.O.W.FOR WC.1nCV DIVING SO.RO.W -O FOR NCR 24 --- '''''''TNOT TO SCALE J 6 _ / l N C i m EXHIBIT G - WATER INFORMATION This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.7 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Locate on the map (Exhibit C) tributary water courses, wells, springs, stock water ponds, reservoirs and ditches The St. Vrain River is less than 100 feet to the north. Please refer to Exhibit C for locations of water courses, ditches and well permit in close proximity to the site, including wells, springs, stock water ponds, reservoirs and ditches. (b) Identify all known aquifers The Site is underlain by the St. Vrain River alluvial aquifer. (c) Show how water from dewatering operations or runoff from disturbed areas, piled material and operating surfaces will be managed to protect against pollution of either surface or groundwater both during and after the operation. Please refer to the Mining Plan Map in Exhibit C of this application. Mine areas will drain internally. Uncontrolled releases of surface water in disturbed areas will not occur. Stormwater collected in the active mine area will be managed through the dewatering system. (d) Estimate project water requirements including flow rates and annual volumes for the development, mining and reclamation phases of the project. Projected Use And Consumption: Annual evaporative depletions will be the evaporation from up to 5000 feet of 4 -foot wide de -watering trench, located inside of the slurry wall. The total area of exposed water is 0.5 acres. The gross annual evaporation at the the Shores aggregate mine is 42 inches according to NOAA Technical Report NWS 33, Evaporation Atlas for the Contiguous 48 United States. Monthly evaporative losses are determined using percentages specified by the State Engineer's Office for locations below 6,300 feet. The nearest weather station is in Longmont where the average annual precipitation is 15.08. Effective precipitation, that part of historical precipitation which was consumed by native vegetation on land to be covered by water surface, is conservatively estimated to be 70 percent of the total precipitation. The annual average effective precipitation at the property is estimated to be 10.56 inches. When subtracting the effective precipitation from the gross evaporation yields, the net annual evaporation is 32.13 inches, or 2.68 acre-feet per acre. The annual amount of evaporation from open water surfaces is 1.34 acre-feet. Mining Production & Operations: Bestway Concrete & Aggregates expects to extract a maximum of 500,000 tons annually of aggregate material from the site. The water retained in the 500,000 tons will be replaced pursuant to the Substitute Water Supply Plan (SWSP). The total annual amount of water retained in the gravel product from mining activities totals 14.71 acre-feet. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit G -1 In addition, an estimated 1.93 acre-feet of water per year will be used for dust control based (approximately) on 3,500 gallons per day for 20 days per month for 9 months. Annually the total evaporative and operational losses from mining activities (open water surface evaporation, water retained in the aggregate product, dust suppression) totals 17.98 acre-feet of depletion which must be augmented. All depletions were lagged to the Saint Vrain River using the lagging factors approved by the State Engineer pursuant to on -going Substitute Water Supply (SWSP) approvals. (e) Indicate the projected amounts of the water sources to supply project water requirements Replacement Water: The source of replacement water for depletions will be onsite native ditch water and an approved water storage Pond located on Cell E on the Shore Gravel Mine Site. The State Engineer must approve a SWSP every year. These approvals require that the applicant provide a detailed explanation of the mining operations, a quantification of all mining activities and subsequent depletions and all legally available replacement sources. (0 Affirmatively state that the Applicant has acquired or applied for a National Pollutant Discharge Elimination System permit from the Water Quality Control Division The Operator will apply for a National Pollutant Discharge Elimination System (NPDES) permit from the Water Quality Control Division of the Colorado Department of Public Health and Environment prior to discharging water from the site. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit G - 2 EXHIBIT H - WILDLIFE INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.8 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (1) The Operator/Applicant shall include in this Exhibit, a description of the game and non game resources on and in the vicinity of the application area, including; a) A description of the significant wildlife resources on the affected land; This information is provided in the attached Exhibit H Wildlife Information, prepared by Savage and Savage environmental firm, located at 4610 Haystack Drive, Windsor, Colorado 80550, based on a site investigation conducted on August 2, 2019. b) Seasonal use of the area; This information is provided in the attached Exhibit H Wildlife Information, prepared by Savage and Savage environmental firm, located at 4610 Haystack Drive, Windsor, Colorado 80550, based on a site investigation conducted on July 1, 2013. c) Threatened or endangered species; The attached Savage and Savage Exhibit H Wildlife Information included an evaluation for threatened and endangered species. Their conclusions are documented in the attached report. d) General effect during and after the proposed operation on the existing wildlife of the area; This information is provided in the attached Exhibit H Wildlife Information, prepared by Savage and Savage environmental firm, located at 4610 Haystack Drive, Windsor, Colorado 80550, based on a site investigation conducted on August 2, 2019. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit H -1 6.4.8 Exhibit H - Wildlife Information Wildlife Assessment Site Description Savage and Savage initially conducted an on -site wildlife assessment for the Burnco Vogl project site project on August 2, 2019. The Vogl project site is comprised of approximately 160 acres within the SW'/a of Section 29, the E%z of Section 31, and the NW'/a of Section 32, all within Township 3 North, Range 67 West of the 6th Prime Meridian Weld County, Colorado. The property is bounded on the north by the St. Vrain River, the east the Pelican Shores development, the south by Weld County Roads 26 and 261/2, and west by private residences. The property was accessed from Weld County Road 261/2. Weather during our site investigation was mild, dry, and clear with a high temperature in the mid -70's (°F). The topography of the site is dominated by the primary and secondary alluvial terraces of the St. Vrain River. The elevation of the project area averages 4820 feet and slopes gently to the north toward the St. Vrain River. The soils that dominate the site are formed from alluvium and consist of gravel bars, loarns, and clays. The significant hydrologic feature on the site is the St. Vrain River. The Last Chance irrigation ditch enters the site along the west edge of the property, traverses the southwest segment of the property, and eventually flows into the St. Vrain River to the northeast of the project site. Another irrigation ditch complex enters the property from south of County Road 26, flowing east along the property boundary and irrigating the agricultural field to the north. A riparian woodland community of plains cottonwoods (Populus deltoides) dominates the riparian corridor immediately adjacent to the St. Vrain River and the primary alluvial terrace to the south of the river corridor. This riparian corridor is dominated by mature cottonwoods with a scattered dense coyote willow shrub understory with a moderate to dense herbaceous understory component dominated by cattails (Typha latifolia and Typha angustifolia) and reed canarygrass (Phalaris arundinacea). Ruderal mesic and xeric vegetation communities are located within, west, and south of the riparian woodland vegetation community. These vegetation communities are dominated by secondary successional plant species, including; alkali sacaton (Sporobolus airoides), meadow foxtail (Hordeum jubatum), smooth brome (Bromus inermis), white sweetclover (Melilotus alba), knapweed varieties (Centaurea sp.), kochia (Kochia scoparia), bull thistle (Cirsium vulgare), field bindweed (Convolvulus arvensis), horseweed (Conyza canadensis), and curlycup gumweed (Grindelia squarrosa). An old field lies at the south edge of the primary alluvial terrace on the east half of the project site. This vegetation community is dominated by smooth brome, intermediate wheatgrass (Agropyron intermedium), inland saltgrass (Distichlis spicata), kochia, curly dock (Rumex crispus), and cheatgrass (Bromus tectorum). Within the old field is a Exhibit H Page 1 crescent of wetland vegetation, dominated by three square (Scirpus americanus) and cattails. Active and inactive agricultural areas dominate the remainder of the project site, with individual fields within the west, southwest, and southeast areas of the project site. At the time of our investigation, the west and southwest agricultural areas were planted to corn, while the southeast field was fallow. Significant Wildlife Resources Tables 1, 2, and 3 list wildlife species that potentially occur on -site according to the Colorado Distribution Latilong Studies (CDOW, 1981, 1990, 1998). The latilong studies address mammals, birds, reptiles, and amphibians. A further review of wildlife species for which the Colorado Division of Parks and Wildlife has distribution maps on the Colorado Oil and Gas Conservation Commission web site (http://cogcc.state.co.us/infosys/Maps/wildlifemap.cfm) revealed that the far northwest and north areas along the St. Vrain River are within the sensitive wildlife habitat boundaries for a bald eagle winter night roost (see appended map). During our site investigation we encountered a number of avian species within the project site. Killdeer (Charadrius vociferus), mourning doves (Zenaida macroura), great blue herons (Ardea herodias), red -tail hawks (Buteo jamaicensis), a Swainson's hawk (Buteo swainsoni), white pelicans (Pelecanus erythrorhynchos), anhingas (Anhinga anhinga), and red -winged blackbirds (Agelaius phoeniceus) were all seen flying or soaring over the riparian corridor or fields. Coyote (Canis latrans) scat was encountered, as were raccoon (Procyon lotor) tracks. A number of whitetail deer (Odocoileus virginianus) were observed within the riparian woodland. Seasonal Use With the exception of bats, the mammal species encountered during the site inspection or that potentially occur on -site are expected to be year-round residents or users of the site. The carnivore and ungulate species are not restricted to this site and tend to have relatively large home ranges (up to several square miles). The majority of rodent and insectivore species can be expected to reside on -site throughout the year, though many may hibernate during the cold months. Avian species may be year-round, temporary migrants, or summer residents of the site. Year-round residents would include the waterfowl, raptors, gallinaceous birds, pigeons, owls, and woodpeckers. The majority of the shorebirds and passerines would use the site during the spring, summer, and fall for feeding or resting during migration. Amphibian and reptile species of the site are year- round residents. Exhibit H Page 2 Threatened and Endangered Species and Critical Habitat Potential habitat for the Preble's meadow jumping mouse (Zapus hudsonius preblei) and Ute ladies' -tresses orchid (Spiranthes diluvialis) were evaluated based on results of a search of potentially occurring threatened or endangered species on the U.S. Fish and Wildlife Service web site for Weld County, Colorado. Additionally, bald eagle (Haliaeetus leucocephalus) nest locations and winter night roost locales were evaluated from the Colorado Oil and Gas Conservation Commission (COGCC) web site map of sensitive wildlife habitat and restricted surface occupancy areas for protected wildlife species. Potential habitat exists for the Preble's meadow jumping mouse within the cottonwood riparian corridor along the banks of the St. Vrain River. As the current proposed mine plan does not include disturbance to potential Preble's meadow jumping mouse critical habitat, no further evaluation was undertaken. If future project activities include disturbance to potential habitat, the permittee will obtain clearance and/or approval from the U.S. Fish and Wildlife Service. Potential habitat for the Ute ladies' -tresses orchid is present along the St. Vrain River primary alluvial floodplain that includes riverbanks and oxbows south of the river. Habitat is also present along irrigation ditches and within other depressions and swales on the site. The current proposed mine plan does not include disturbance to Ute ladies' - tresses orchid potential critical habitat, therefore, no further evaluation was undertaken. If future project activities include disturbance to potential habitat, the permittee will obtain clearance and/or approval from the U.S. Fish and Wildlife Service. No eagles or nests were observed during our investigation of the site. The map of significant wildlife habitat from COGCC identified a bald eagle winter night roost area along the St. Vrain River that encompasses portions of the project site. The proposed plan does not include disturbance within the designated bald eagle winter night roost area. If future project activities include activities within the restricted area, the permittee will obtain clearance and/or approval from the Colorado Division of Parks and Wildlife. Project Effects to Wildlife The Vogl project site is proposed for mineral (sand and gravel) extraction activities. The post -mining land use will include slurry -walled cells for water storage. Noise and air emissions during mining will cause a temporary disturbance to wildlife. Species such as raccoons, coyotes, beaver, deer, and raptors will continue to use the riparian corridor during mining operations and the site itself when operations are not active. Bird species will use the periphery of the site and the site itself opportunistically, if prey or food species are present. The proposed project will extract material and leave cells within the site. Permanent reclamation of the site will entail grading, respreading topsoil, and seeding and planting Exhibit H Page 3 perennial species that will support wildlife. The mining and reclamation will create a more diverse habitat than is currently present. Areas of open water will sustain additional species of reptiles and amphibians as well as shorebirds and waterfowl. The addition of the water will create fringe environments favorable to predatory mammals and raptors, as well as food and water sources for herbivores. With the planting of additional cottonwood trees and shrubs, additional strata and vegetation layers will be added to the site, creating improved cover, foraging, roosting, and nesting areas for wildlife. It has been our observation that the majority of riparian corridors along the Front Range of Colorado consist primarily of mature cottonwood trees with little or no recruitment. This being the case, there will come a time when the mature cottonwood trees are gone and the overstory structure of the riparian corridor will be lost. Reclamation within the permit area and cottonwood riparian corridor could, in the long term, be of great benefit in maintaining the riparian corridor. Planting cottonwoods of varying ages throughout the riparian corridor as part of the reclamation would provide replacement trees for the mature cottonwoods, and enhance the overall existing riparian corridor habitat. At this point, the proposed mineral extraction plan for the Vogl project site has not been finalized. Based on the reconnaissance information collected for this assessment, it is recommended that the riparian corridor area within the northeast area of the project site remain undisturbed, for the following reasons; the area contains a bald eagle winter night roost designated as significant wildlife habitat by Colorado Parks and Wildlife, the area contains potential habitat for two listed threatened or endangered species, Preble's meadow jumping mouse and Ute ladies -tresses orchid, and the area is a mosaic of wetlands and waters of the United States. Exhibit H Page 4 Literature Cited Colorado Division of Wildlife. 1981 Ed. Colorado Reptile and Amphibian Distribution Latilong Study. Colorado Division of Wildlife and The Denver Museum of Natural History. 1990 Ed. Colorado Mammal Distribution Latilong Study. Colorado Division of Wildlife in cooperation with the Colorado Field Ornithologists. 1998 Ed. Colorado Bird Distribution Latilong Study. Colorado Oil and Gas Conservation Commission. 2019. Web Map. (https://cogccmap.state.co.us/cogcc gis_online/) Exhibit H Page 5 Vogl RSO and SWH Areas COGCC Aug 2019 4.r • 1. 6w-;., -- ii1 M. '"9';444.•ra46,h.•.♦ r ` 1 I��II�t lll�,� -[ _ .. . ' f • --. u • - = _ • • .'t _�" - .,ai .! - .._ li., .. ... ..L • , _nM ...ter-.a••.�.•�d 'a.d w-ir.�.r , v. .�- ling • • . i 6 hit. • ii 4. i .$6 • -tip4 IL* f .- 14 �1 r. riff- • . : \ • 1. rat le • re a 41 ill 4 e_s_rai �R644latiles•SaleXe-4044~4.04' •y A T v410 a. _ . , a -�,),ssij. • ,, .. ., _ i. . ... ,. , �` w ;.� lit ilk`tit it i. . 4.. . , .„, . . a tell ..j.14 . • , r-". ' 1 tea' ". '��-, l • - +. ! �. Ili � . R, : . I 44. 4. 4////11 ii..,, , ..:, .. . . .. i if, .. .„ . .. ..i,,, i , ise,..t Itt VI y .0! • • - , y s` x i • i f 4 '� rye • 4 , " • 41;44 bil5failit 'I iv ilia - . :I, ..,:c i . .. jr . • if tie o : ::. t . • sits 0 . laid Eagle Winter Night Roost Area •• ,� Q� "A project-, Area - : . R. `. " e 1 tr, , ' l . VA III' .4,400ii. 4, Itk - 21 i 6 - .. 4 _ ¢ a', 7 4. A • gg,r� f �:8. F 1. • s fix' r f .w ti t I - : — .,1i 7 `` M T il •. , ...., _mi." ..:„,,,, . •w i E r r. t 1 • "1f yRtI I. V �iM� • . A411! : . W i t .1.., il` _41 . • ► • • i Or • • 1 - i z 4_, . 1 . • likli.” 4...; 4 , f air • .�' ...... ii.- - _Is4. . . Ea/At • 4, i ty i ,., • ill, %Ott' 1 • PA. OK ,..e,r�rnar r:\ii: \ I .4 tr"IC _ t •.o- .o•A li.rn 1 I r////1/1 ' :II .... ....- g. Y • 11.. • . a :. II ''. ptilettimikanirmTh S III nen;"theit • I If • • M .. 1 , • i 1 • •►ill,,,IL • .. tatil•••1.,% • .11' ,, . 11:44 sl. . . a• a. itt �2V . •4 1 * ii_. 1 . '1 %V 1'. f t 'J.1 ; t 'N6.'1...." \I ' ,, ,.,� 4. f� •• *Y, _�'♦ �x : ti t f aPSI? '` . �. 'D jp. 4,,li �r `'• • I{ : , ' fr. \ r� ii$'• � l' , ' .. * sit• taii,• Fr r _ ^� J i 1• I >� . .N•rF.a a.:.,. :f` -r'rip ' �doc ir ♦ • . • . . • S w. '� • T /. • • -b • .. (� + �. r� . t` �' '• . Y, 4 4 v f I',II Z ' { "`^,_1 t : . . _ter '4 elii# Ill • . , 1., k , ' ' ,,„.• ....10. 1 *4 .0 i i ) • . . -, Exhibit H Page 6 Table 1. Mammal Species Potentially Inhabiting the Vogl Project Site Classification/Common Name Scientific Name Preferred Habitat Marsupials Virginia Opossum Carnivores Coyote Swift Fox Red Fox Raccoon Long-tailed Weasel Mink Badger Striped Skunk Ungulates Mule Deer White-tailed Deer Antelope Lagomorphs Desert Cottontail Eastern Cottontail Black -tailed Jack Rabbit White-tailed Jackrabbit Rodents Wyoming Ground Squirrel Spotted Ground Squirrel Thirteen -lined Ground Squirrel Black -tailed Prairie Dog Fox Squirrel Northern Pocket Gopher Plains Pocket Gopher Olive -backed Pocket Mouse Plains Pocket Mouse Silky Pocket Mouse Hispid Pocket Mouse Ord's Kangaroo Rat Beaver Western Harvest Mouse Plains Harvest Mouse Didelphis virginiana Canis latrans Vulpes velox Vulpes Procyon lotor Mustela nigripes Mustela vison Taxidea taxus Mephitis Odocoileus hemionus Odocoileus virginianus Antilocapra americana Sylvilagus audubonii Sylvilagus floridanus Lepus californicus Lepus townsendii Spermophilus elegans Spermophilus spilosoma Spermophilus tridecemlineatus Cynomys ludovicianus Sciurus niger Thomomys talpoides Geomys bursarius Perognathus fasciatus Perognathus flavescens Perognathus flavus Chaetodipus hispidus Dipodomys ordii Castor canadensis Reithrodontomys megalotis Reithrodontomys montanus RpL, Ag, Cr All types SgP, Ag Ag RpL, Ag All types except Ri RpL SgP All types except Ri RpL, Ag RpL, Cr, Ag SgP SgP, RpL RpL SgP SgP Ag SgP SgP SgP, Ag RpL SgP, Ag Ag SgP SgP SgP SgP, RpL SgP, RpL Ri, RpL SgP, RpL, Ag SgP Exhibit H Page 7 Classification/Common Name Rodents Deer Mouse Northern Grasshopper, Mouse Prairie Vole Meadow Vole Muskrat Norway Rat House Mouse Porcupine Insectivores Least Shrew Bats Western Small -footed Myotis Red Bat Hoary Bat Silver -haired Bat Big Brown Bat Scientific Name Preferred Habitat Peromyscus maniculatus Onychomys leucogaster Microtus ochrogaster Microtus pennsylvanicus Ondatra zibethicus Rattus norvegicus Mus musculus Erethizon dorsatum Cryptotis parva Myotis ciliolabrum Lasiurus borealis Lasurius cinereus Lasionycteris noctivagans Eptesicusfuscus Habitat Types SgP Shortgrass-Prairie RpL Riparian Lowland W/OG Wet open ground Ri Open Water -Streams and Rivers Ag Agriculture Cr Croplands All types SgP, Cr SgP, RpL, Ag RpL Ri RpL, Cr RpL, Cr SgP, Ag, RpL RpL, roadsides SgP RpL RpL RpL RpL Exhibit H Page 8 Table 2. Breeding Bird Species Potentially Inhabiting the Vogl Site Classification/Common Name Scientific Name Preferred Habitat Pelicans and Allies Double -crested Cormorant Herons Great Blue Heron Great Egret Snowy Egret Cattle Egret Black -crowned Night -Heron Waterfowl Canada Goose Wood Duck Mallard Cinnamon Teal Hooded Merganser Common Merganser Vultures and Raptors Turkey Vulture Osprey Bald Eagle Northern Harrier Cooper's Hawk Swainson's Hawk Red-tailed Hawk Ferruginous Hawk Golden Eagle American Kestrel Gallinaeous Birds Ring-necked Pheasent Wild Turkey Northern Bobwhite Shorebirds Killdeer Mountain Plover Upland Sandpiper Long -billed Curlew Common Snipe Wilson's Phalarope Pigeons and Doves Rock Dove Mourning Dove Phalacrocorax auritus Ardea herodias Casmerodius albus Egretta thula Bubulcus ibis Nycticoras nycticorax Branta canadensis Aix sponsa Anas platyrhynchos Anas cyanoptera Lophodytes cucullatus Mergus merganser Cathartes aura Pandion haliaetus Haliaeetus leucocephalus Circus cyaneus Accipiter cooperii Buteo swainsoni Buteojamaicensis Buteo regalis Aquila chrysaetos Falco sparverius Phasianus colchinus Meleagris gallopavo Colinus virginianus Charadrius vociferous Charadrius montanus Bartramia longicauda Numenius americanus Gallinago Phalaropus tricolor Columba livia Zenaida macroura Ri, RpL RpL RpL RpL RpL RpL RpL Ri, RpL Cr W/OG RpL RpL RpL Ri Ri Cr RpL Ag, RpL Ag Ag Ag Ag, RpL Ag, RpL, Cr Ag Ag, RpL Cr, Ag SgP SgP SgP, Cr W/OG W/OG, Cr Ag Ag, Cr, RpL Exhibit H Page 9 Classification/Common Name Cuckoos Yellow -billed Cuckoo Owls Common Barn -Owl Eastern Screech -Owl Great Horned Owl Burrowing Owl Long-eared Owl Short -eared Owl Hummingbirds Black -chinned Hummingbird Kingfishers Belted Kingfisher Woodpeckers Lewis' Woodpecker Red-headed Woodpecker Passerines Western Wood -Pewee Say's Phoebe Cassin's Kingbird Western Kingbird Eastern Kingbird Tree Swallow Northern Rough -winged Swallow Bank Swallow Cliff Swallow Barn Swallow Blue Jay Black -billed Magpie American Crow Chihuahuan Raven Black -capped Chickadee Eastern Bluebird American Robin Gray Catbird Northern Mockingbird Brown Thrasher Cedar Waxwing Loggerhead Shrike European Starling Red -eyed Vireo Yellow Warbler Blue Grosbeak Lazuli Bunting Indigo Bunting Cassin's Sparrow Scientific Name Preferred Habitat Coccyzus americanus Tyto alba Otus asio Bubo virginianus Athene cunicularia Asio otus Asio flammeus Archilochus alexandri Ceryle alcyon Melanerpes lewis Melanerpes erythrocephalus Contopus sordidulus Sayornis saya Tyrannus vociferans Tyrannus verticalis Tyrannus Tachycineta bicolor Stelgidopteryx serripennis Riparia Hirundo pyrrhonota Hirundo rustica Cyanocitta cristate Pica Corvus brachyrynchos Corvus cryptoleucus Parus altricapillus Sialia sialis Turdus migratorius Dumetella carolinensis Mimus polyglottos Toxostoma rufum Bombycilla cedorum Lanius ludovicianus Sturnus vulgaris Vireo olivaceus Dendroica petechia Guiraca caerulea Passerina amoena Passerina cyanea Aimophila cassinii RpL Ag, RpL RpL, Ag Ag rodent burrows RpL Ag RpL RpL, Ri RpL, Ag Ag, RpL RpL Ag Ag, RpL Ag, RpL Ag, RpL RpL Ag Ag Ag Ag RpL, Ag Ag Ag, RpL SgP RpL, Ag RpL Ag RpL Ag, RpL RpL, Ag Ag RpL, SgP Ag, RpL RpL RpL, Ag RpL RpL RpL SgP Exhibit H Page 10 Classification/Common Name Lark Sparrow McCrown's Longspur Chestnut -collared Longspur Bobolink Red -Winged Blackbird Passerines Western Meadowlark Brewer's Blackbird Common Grackle Brown -headed Cowbird Orchard Oriole Northern Oriole American Goldfinch House Sparrow Scientific Name Chondestes grammacus Calcarius mccownii Calcarius ornatus Dolichonyx oryzivorus Agelaius phoeniceus Sturnella neglecta Euphagus cyanocephalus Quiscalus quiscula Molothrus ater Icterus spurius Icterus galbula Carduelis tristis Passer domesticus Habitat Types SgP Shortgrass-Prairie RpL Riparian Lowland W/OG Wet open ground Ri Open Water -Streams and Rivers Ag Agriculture Cr Croplands Preferred Habitat RpL SgP SgP Cr, hayfields Ag Cr Ag Ag Ag RpL, Ag RpL, Ag Ag Ag Exhibit H Page 11 Table 3. Reptile and Amphibian Species Potentially Inhabiting the Vogl Site Classification/Common Name Scientific Name Amphibians Salamanders Tiger Salamander Toads and Frogs Great Plains Toad Woodhouse's Toad Blanchard's Cricket Frog Boreal Chorus Frog Bull Frog Northern Leopard Frog Plains Spadefoot Turtles Common Snapping Turtle Western Painted Turtle Ornate Box Turtle Western Spiny Softshell Reptiles Lizards Northern Earless Lizard Short -homed Lizard Red -lipped Prairie Lizard Northern Prairie Lizard Prairie -lined Racerunner Skinks Northern Many -lined Skink Snakes Eastern Yellowbelly Racer Plains Hognose Snake Milk Snake Northern Water Snake Bullsnake Wandering Garter Snake Western Plains Garter Snake Red -sided Garter Snake Prairie Rattlesnake Habitat SgP RpL W/OG OW-St/Ri Ag Cr Ambystoma tigrinum Bufo Cognatus Bufo woodhousei Acris crepitans blanchardi Pseudacris triseriata maculata Rana catesbiana Rana pipiens Scaphiopus bombifrons Chelydra serpentina Chrysemys picta belli Terrapene ornata Trionys spiniferus hartwegi Holbrookia maculata Phrynosoma douglassi Sceloporus undulatus erythrocheilus Sceloporus undulatus garmani Cnemidophorus sexlineatus viridis Eumeces multivirgatus Coluber constrictor flaviventris Heterodon nasicus Lampropeltis triangulum Nerodia sipedon Pituophis melanoleucus sayi Thamnophis elegans vagrans Thamnophis radix haydeni Thamnophis sirtalis parietalis Crotalus viridis Types Shortgrass-Prairie Riparian Lowland Wet open ground Open Water -Streams and Rivers Agriculture Croplands Preferred Habitat all types SgP, RpL, Ag SgP, RpL, Ag RpL RpL, Ag RpL RpL SgP RpL, OW-St/Ri RpL, OW-St/Ri SgP, RpL RpL, OW-St/Ri SgP, Ag SgP SgP, RpL SgP SgP, RpL SgP, Ag SgP, RpL, Ag SgP, RpL, Ag SgP, RpL, Ag RpL, OW-St/Ri SgP, RpL, Ag RpL RpL, SgP RpL SgP Exhibit H Page 12 EXHIBIT I - SOILS INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.9 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (1) In consultation with the Soil Conservation Service or other qualified person, indicate on a map (in Exhibit C) or by a statement the general type, thickness and distribution of soil over affected land. The soil types on the site are shown on the attached Soil Map, Vogl Amendment -Shores Mine for a description of the soil type on site. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit I -1 USDA United States A product of the National Custom Soil Resource Department of Cooperative Soil Survey, Agriculture a joint effort of the United Report for N RCS States Department of Agriculture and other Federal agencies . State Weld Natural agencies including the Resources Agricultural Experiment CI ora do , Conservation Stations . and local Service participants Southern Part cr$ i r it . � d 3 vitas els,ip ' -4 ret..;pelet / ) . 1 ,i� . or - - � . s / - ilibp, e.34 .fi , ,s . _ Jis Ana& J. .400440-- , dits, ?S If I OIL • I at, Q . , * la 1 0, y 4.l t 4, _lip c SA,- - —s- 1 • *IA- L ice-. at— iii. �. _ Ili r r . . a nF 1 IC f' 1 e ti i We• - _ _ - .Nw - •M Or . ....11 . 71:' ei 'ede T ti1 1 a lialklf,. . i , la el II it A�,b ti .1 — County Roi �6 '� ' f ._ r - -�4 • ~ '- rie* Al-" ` 41'3 i ) ' IS • T:' PPP s St- i are t . . lir . . . is ........... •_-_ 0 Il........1 1 - 0'00 ft aii , j December 18 , 2019 Preface Soil surveys contain information that affects land use planning in survey areas. They highlight soil limitations that affect various land uses and provide information about the properties of the soils in the survey areas. Soil surveys are designed for many different users, including farmers, ranchers, foresters, agronomists, urban planners, community officials, engineers, developers, builders, and home buyers. Also, conservationists, teachers, students, and specialists in recreation, waste disposal, and pollution control can use the surveys to help them understand, protect, or enhance the environment. Various land use regulations of Federal, State, and local governments may impose special restrictions on land use or land treatment. Soil surveys identify soil properties that are used in making various land use or land treatment decisions. The information is intended to help the land users identify and reduce the effects of soil limitations on various land uses. The landowner or user is responsible for identifying and complying with existing laws and regulations. Although soil survey information can be used for general farm, local, and wider area planning, onsite investigation is needed to supplement this information in some cases. Examples include soil quality assessments (http://www.nres.usda.gov/wps/ portal/nres/main/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (https://offices.sc.egov.usda.gov/locator/app?agency=nrcs) or your NRCS State Soil Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/? cid=nrcs142p2_053951). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Web Soil Survey, the site for official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require 2 alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface 2 How Soil Surveys Are Made 5 Soil Map 8 Soil Map 9 Legend 10 Map Unit Legend 11 Map Unit Descriptions 11 Weld County, Colorado, Southern Part 13 1—Altvan loam, 0 to 1 percent slopes 13 3—Aquolls and Aquents, gravelly substratum 14 4—Aquolls and Aquepts, flooded 16 27—Heldt silty clay, 1 to 3 percent slopes 18 61 —Tassel fine sandy loam, 5 to 20 percent slopes 19 85 —Water 20 References 21 4 How Soil Surveys Are Made Soil surveys are made to provide information about the soils and miscellaneous areas in a specific area. They include a description of the soils and miscellaneous areas and their location on the landscape and tables that show soil properties and limitations affecting various uses. Soil scientists observed the steepness, length, and shape of the slopes; the general pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. They observed and described many soil profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The profile extends from the surface down into the unconsolidated material in which the soil formed or from the surface down to bedrock. The unconsolidated material is devoid of roots and other living organisms and has not been changed by other biological activity. Currently, soils are mapped according to the boundaries of major land resource areas (MLRAs). MLRAs are geographically associated land resource units that share common characteristics related to physiography, geology, climate, water resources, soils, biological resources, and land uses (USDA, 2006). Soil survey areas typically consist of parts of one or more MLRA. The soils and miscellaneous areas in a survey area occur in an orderly pattern that is related to the geology, landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous area is associated with a particular kind of landform or with a segment of the landform. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they were formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. Commonly, individual soils on the landscape merge into one another as their characteristics gradually change. To construct an accurate soil map, however, soil scientists must determine the boundaries between the soils. They can observe only a limited number of soil profiles. Nevertheless, these observations, supplemented by an understanding of the soil -vegetation -landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to determine the boundaries. Soil scientists recorded the characteristics of the soil profiles that they studied. They noted soil color, texture, size and shape of soil aggregates, kind and amount of rock fragments, distribution of plant roots, reaction, and other features that enable them to identify soils. After describing the soils in the survey area and determining their properties, the soil scientists assigned the soils to taxonomic classes (units). Taxonomic classes are concepts. Each taxonomic class has a set of soil characteristics with precisely defined limits. The classes are used as a basis for comparison to classify soils systematically. Soil taxonomy, the system of taxonomic classification used in the United States, is based mainly on the kind and character of soil properties and the arrangement of horizons within the profile. After the soil 5 Custom Soil Resource Report scientists classified and named the soils in the survey area, they compared the individual soils with similar soils in the same taxonomic class in other areas so that they could confirm data and assemble additional data based on experience and research. The objective of soil mapping is not to delineate pure map unit components; the objective is to separate the landscape into landforms or landform segments that have similar use and management requirements. Each map unit is defined by a unique combination of soil components and/or miscellaneous areas in predictable proportions. Some components may be highly contrasting to the other components of the map unit. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The delineation of such landforms and landform segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, onsite investigation is needed to define and locate the soils and miscellaneous areas. Soil scientists make many field observations in the process of producing a soil map. The frequency of observation is dependent upon several factors, including scale of mapping, intensity of mapping, design of map units, complexity of the landscape, and experience of the soil scientist. Observations are made to test and refine the soil -landscape model and predictions and to verify the classification of the soils at specific locations. Once the soil -landscape model is refined, a significantly smaller number of measurements of individual soil properties are made and recorded. These measurements may include field measurements, such as those for color, depth to bedrock, and texture, and laboratory measurements, such as those for content of sand, silt, clay, salt, and other components. Properties of each soil typically vary from one point to another across the landscape. Observations for map unit components are aggregated to develop ranges of characteristics for the components. The aggregated values are presented. Direct measurements do not exist for every property presented for every map unit component. Values for some properties are estimated from combinations of other properties. While a soil survey is in progress, samples of some of the soils in the area generally are collected for laboratory analyses and for engineering tests. Soil scientists interpret the data from these analyses and tests as well as the field -observed characteristics and the soil properties to determine the expected behavior of the soils under different uses. Interpretations for all of the soils are field tested through observation of the soils in different uses and under different levels of management. Some interpretations are modified to fit local conditions, and some new interpretations are developed to meet local needs. Data are assembled from other sources, such as research information, production records, and field experience of specialists. For example, data on crop yields under defined levels of management are assembled from farm records and from field or plot experiments on the same kinds of soil. Predictions about soil behavior are based not only on soil properties but also on such variables as climate and biological activity. Soil conditions are predictable over long periods of time, but they are not predictable from year to year. For example, soil scientists can predict with a fairly high degree of accuracy that a given soil will have a high water table within certain depths in most years, but they cannot predict that a high water table will always be at a specific level in the soil on a specific date. After soil scientists located and identified the significant natural bodies of soil in the survey area, they drew the boundaries of these bodies on aerial photographs and 6 Custom Soil Resource Report identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. 7 Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. 8 Custom Soil Resource Report v Soil Map 8 533200 503303 503400 5CC3530 503603 503700 503800 503900 504000 504100 504203 I I I I 4{?° 11' 1" N I - . .• s . 40° 11' 1" N a 11 II-• • IlL 0 i . rr f , rO6'4�ral lia fir r 7 01 a �yka ,t1 r ill‘ le tom. ear M1 • \ • .4 :l•(4^ f 4-i- . .40111 ront- i. • a . 85 k ,,6 M .1. • I ` • 14 )1ille. -• re 4— > T • rJr. f ♦ Tbk +� w ^� M _ . r 0 • Or ri • liii Ili R ile . :Sok . • tare It t ILA" li ,trt 4 85 . i jLr...41 JA - `' � - �' y$a : iH : . • W. • P VI, • 4 _. _ - , .4. 4 14%7.„,.. 111 4. _ r -ice _-- ht i Pfl"ei•]��sWkr 7 t • • - 1 r7.(�i . • • TV M _ 8 at • liki; .449 !lot 4 IN t 4117? � �n j - iliga 4. i • f i . all 1r, 4 44 1 n ` > ' II i - • - i r qilli M r t ' )2 4 41 Z.' el ri ell Ili r -a i #• gi i r • 0 ph t County Road0 i _ • • f j Q , } _ 26 y_gy c .. hint ' , i i - . r1 .. • r 8 ry.�� • 1 1 27 r a . g • iii0/ •... 41"I' -I.• •IF ,' - 16 - 0 i it. , . 0, 0 r _. i • i !V w:.y Or / - - County Road 24 3/4 i ` ,, �.y�'Ylfir+ "'�'j.,...�, mow.- _ - --.... _ _ . - '""_.-_"•,iiri , :al . . ill .. _- +--� tj - 8 .. 0 [10 fM&p G�`ln � �DR be dEi00d �R 0 o.. :14,5, [I®. , I all ' • 8 4 i ilk 1 40° 10' 12" N 4a° 10' 12" N 503200 5O3303 503400 503500 503600 50(3700 503800 503900 504000 504103 5O1200 3 Map Scale: 1 : 7 290 if ranted on A P portrait (8.5" x 11") sheet Meters N o 100 200 400 gpp 0 Feet A 0 350 700 1400 2100 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 9 Custom Soil Resource Report MAP LEGEND MAP INFORMATION Area of Interest (AO') Spoil Area The soil surveys that comprise your AOI were mapped at Area of Interest (AOI) 1 : 24 , 000 . Stony Spot Soils • Very Stony Spot Soil Map Unit Polygons Warning : Soil Map may not be valid at this scale . Wet Spot A It Soil Map Unit Lines Enlargement of maps beyond the scale of mapping Other pp g can cause O Soil Map Unit Points misunderstanding of the detail of mapping and accuracy of soil Special Line Features line placement. The maps do not show the small areas of Special Point Features contrasting soils that could have been shown at a more detailed Blowout Water Features scale. Streams and Canals • Borrow Pit Transportation Please rely on the bar scale on each map sheet for map r Clay Spot ._..__ Rails measurements. Closed Depression Interstate Highways Gravel Pit Source of Map : Natural Resources Conservation Service US Routes Web Soil Survey URL : ; Gravelly Spot Coordinate System : Web Mercator (EPSG : 3857) Major Roads CO Landfill Local Roads Maps from the Web Soil Survey are based on the Web Mercator IL Lava Flow projection , which preserves direction and shape but distorts Background Marsh or swamp Aerial Photography distance and area . A projection that preserves area , such as the Albers equal-area conic projection , should be used if more A Mine or Quarry accurate calculations of distance or area are required . S Miscellaneous Water This product is generated from the USDA-NRCS certified data as Perennial Water of the version date(s) listed below. %!„.,1- Rock Outcrop Soil Survey Area : Weld County, Colorado , Southern Part 1+ Saline Spot Survey Area Data : Version 18 , Sep 13 , 2019 0 . 0 Sandy Spot ° • Soil map units are labeled (as space allows) for map scales Severely Eroded Spot 1 : 50 , 000 or larger. Sinkhole Date(s) aerial images were photographed : Sep 20 , 2015—Oct Slide or Slip 21 , 2017 Sodic Spot 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. 10 Custom Soil Resource Report Map Unit Legend Map Unit Symbol Map Unit Name . Acres in AOI Percent of AOl 1 Altvan loam, 0 to 1 percent slopes 2.7 1.4% 3 Aquolls and Aquents, gravelly substratum 142.4 75.1% 4 Aquolls and Aquepts, flooded 0.0 0.0% 27 Heldt silty day, 1 to 3 percent slopes 38.6 20.4% 61 Tassel fine sandy loam, 5 to 20 percent slopes 1.1 0.6% 85 Water 4.9 2.6% Totals for Area of Interest 189.7 100.0% Map Unit Descriptions The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it 11 Custom Soil Resource Report was impractical to make enough observations to identify all the soils and miscellaneous areas on the landscape. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The objective of mapping is not to delineate pure taxonomic classes but rather to separate the landscape into landforms or landform segments that have similar use and management requirements. The delineation of such segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, however, onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha -Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. 12 Custom Soil Resource Report Weld County, Colorado, Southern Part 1—Altvan loam, 0 to 1 percent slopes Map Unit Setting National map unit symbol: 361j Elevation: 4,500 to 4,900 feet Mean annual precipitation: 14 to 16 inches Mean annual air temperature: 46 to 48 degrees F Frost -free period: 130 to 150 days Farmland classification: Not prime farmland Map Unit Composition Altvan and similar soils: 90 percent Minor components: 10 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Altvan Setting Landform: Terraces Down -slope shape: Linear Across -slope shape: Linear Parent material: Old alluvium Typical profile H1 - 0 to 10 inches: loam H2 - 10 to 25 inches: clay loam H3 - 25 to 60 inches: gravelly sand Properties and qualities Slope: 0 to 1 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Well drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 5 percent Available water storage in profile: Low (about 5.7 inches) Interpretive groups Land capability classification (irrigated): 3s Land capability classification (nonirrigated): 4e Hydrologic Soil Group: B Ecological site: Loamy Plains (R067BY002CO) Hydric soil rating: No Minor Components Cascajo Percent of map unit: 9 percent Hydric soil rating: No 13 Custom Soil Resource Report Aquic haplustolls Percent of map unit: 1 percent Landform: Swales Hydric soil rating: Yes 3—Aquolls and Aquents, gravelly substratum Map Unit Setting National map unit symbol: 3627 Elevation: 4,000 to 7,200 feet Mean annual precipitation: 12 to 18 inches Mean annual air temperature: 45 to 55 degrees F Frost -free period: 80 to 155 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Aquolls Setting Landform: Swales, streams, flood plains Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile H1 - 0 to 48 inches: loam H2 - 48 to 60 inches: gravelly sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: About 6 to 48 inches Frequency of flooding: Frequent Frequency of ponding: None Salinity, maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) Available water storage in profile: Moderate (about 8.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 6w Custom Soil Resource Report Hydrologic Soil Group: D Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: Yes Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile H1 - 0 to 48 inches: variable H2 - 48 to 60 inches: very gravelly sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Very high Capacity of the most limiting layer to transmit water (Ksat): Moderately high to very high (0.57 to 19.98 in/hr) Depth to water table: About 6 to 24 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Nonsaline to moderately saline (0.0 to 8.0 mmhos/cm) Available water storage in profile: Moderate (about 6.6 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: Yes Minor Components Bankard Percent of map unit: 10 percent Hydric soil rating: No Ustic torrifluvents Percent of map unit: 5 percent Hydric soil rating: No Custom Soil Resource Report 4—Aquolls and Aquepts, flooded Map Unit Setting National map unit symbol: 3621 Elevation: 3,600 to 4,700 feet Mean annual precipitation: 12 to 16 inches Mean annual air temperature: 50 to 55 degrees F Frost -free period: 100 to 165 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquepts, flooded, and similar soils: 25 percent Minor components: 20 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Aquolls Setting Landform: Drainageways, plains, depressions Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile HI - 0 to 8 inches: variable H2 - 8 to 60 inches: stratified sandy loam to clay Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Very low Capacity of the most limiting layer to transmit water (Ksat): Moderately low to high (0.06 to 6.00 in/hr) Depth to water table: About 6 to 36 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Moderately saline to strongly saline (8.0 to 16.0 mmhos/cm) Sodium adsorption ratio, maximum in profile: 5.0 Available water storage in profile: Low (about 4.7 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D 16 Custom Soil Resource Report Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: Yes Description of Aquepts, Flooded Setting Landform: Stream terraces Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile H1 - 0 to 8 inches: variable H2 - 8 to 60 inches: stratified sandy loam to clay Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Very low Capacity of the most limiting layer to transmit water (Ksat): Moderately low to high (0.06 to 6.00 in/hr) Depth to water table: About 6 to 36 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Moderately saline to strongly saline (8.0 to 16.0 mmhos/cm) Sodium adsorption ratio, maximum in profile: 5.0 Available water storage in profile: Low (about 4.7 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (nonirrigated): 6w Hydrologic Sail Group: D Ecological site: Wet Meadow (R067BY038CO) Hydric soil rating: Yes Minor Components Thedalund Percent of map unit 10 percent Hydric soil rating: No Haverson Percent of map unit: 10 percent Hydric soil rating: No Custom Soil Resource Report 27—Heldt silty clay, 1 to 3 percent slopes Map Unit Setting National map unit symbol: 3624 Elevation: 4,950 to 5,050 feet Mean annual precipitation: 11 to 17 inches Mean annual air temperature: 46 to 59 degrees F Frost -free period: 110 to 150 days Farmland classification: Prime farmland if irrigated and the product of I (soil erodibility) x C (climate factor) does not exceed 60 Map Unit Composition Heldt and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Heldt Setting Landform: Plains Down -slope shape: Linear Across -slope shape: Linear Parent material: Sediment alluvium derived from shale Typical profile H1 - 0 to 7 inches: silty clay H2 - 7 to 60 inches: silty clay Properties and qualities Slope: 1 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Well drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Gypsum, maximum in profile: 1 percent Salinity, maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) Sodium adsorption ratio, maximum in profile: 10.0 Available water storage in profile: High (about 9.6 inches) Interpretive groups Land capability classification (irrigated): 3e Land capability classification (nonirrigated): 4c Hydrologic Soil Group: C Ecological site: Clayey Plains (R067BY042CO) 18 Custom Soil Resource Report Hydric soil rating: No Minor Components Nunn Percent of map unit: 10 percent Hydric soil rating: No Haverson Percent of map unit: 5 percent Hydric soil rating: No 61 —Tassel fine sandy loam, 5 to 20 percent slopes Map Unit Setting National map unit symbol: 363c Elevation: 4,850 to 5,200 feet Mean annual precipitation: 12 to 19 inches Mean annual air temperature: 46 to 52 degrees F Frost -free period: 110 to 165 days Farmland classification: Not prime farmland Map Unit Composition Tassel and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Tassel Setting Landform: Breaks Down -slope shape: Linear Across -slope shape: Linear Parent material: Residuum weathered from sandstone Typical profile H1 - 0 to 11 inches: fine sandy loam H2 - 11 to 15 inches: very fine sandy loam H3 - 15 to 20 inches: weathered bedrock Properties and qualities Slope: 5 to 20 percent Depth to restrictive feature: 10 to 20 inches to paralithic bedrock Natural drainage class: Well drained Runoff class: Medium Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent 19 Custom Soil Resource Report Available water storage in profile: Very low (about 2.0 inches) Interpretive groups Land capability classification (irrigated): 6e Land capability classification (nonirrigated): 6e Hydrologic Soil Group: D Ecological site: Sandstone Breaks (R067BY056CO) Hydric soil rating: No Minor Components Otero Percent of map unit: 8 percent Hydric soil rating: No Terry Percent of map unit: 7 percent Hydric soil rating: No 85 —Water Map Unit Composition Water: 95 percent Minor components: 5 percent Estimates are based on observations, descriptions, and transects of the mapunit. Minor Components Aquolls Percent of map unit: 5 percent Landform: Marshes Hydric soil rating: Yes 20 References American Association of State Highway and Transportation Officials (AASHTO). 2004. Standard specifications for transportation materials and methods of sampling and testing. 24th edition. American Society for Testing and Materials (ASTM). 2005. Standard classification of soils for engineering purposes. ASTM Standard D2487-00. Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of wetlands and deep -water habitats of the United States. U.S. Fish and Wildlife Service FWS/OBS-79/31. Federal Register. July 13, 1994. Changes in hydric soils of the United States. Federal Register. September 18, 2002. Hydric soils of the United States. Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric soils in the United States. National Research Council. 1995. Wetlands: Characteristics and boundaries. Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service. U.S. Department of Agriculture Handbook 18. http://www.nres.usda.gov/wps/portal/ nrcs/detail/national/soils/?cid=nrcs142p2_054262 Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for making and interpreting soil surveys. 2nd edition. Natural Resources Conservation Service, U.S. Department of Agriculture Handbook 436. http:// www. nres. usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053577 Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http:// www. nres. usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053580 liner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and Delaware Department of Natural Resources and Environmental Control, Wetlands Section. United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. United States Department of Agriculture, Natural Resources Conservation Service. National forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/ home/?cid=nrcs142p2_053374 me/?cid=nres 142 p2_053374 United States Department of Agriculture, Natural Resources Conservation Service. National range and pasture handbook. http://www.nrcs.usda.gov/wps/portal/nrcs/ detail/national/landuse/rangepasture/?cid=stelprdb 1043084 21 Custom Soil Resource Report United States Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430 -VI. http://www.nres.usda.gov/wps/portal/ nres/detail/soils/scientists/?cid=n res142p2_054242 United States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/? cid=nrcs142p2_053624 United States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_052290.pdf 22 EXHIBIT J - VEGETATION INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.10 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Description of present vegetation types including estimates of cover and height of principal species in each life -form represented; The current site is covered by native dryland grasses. (b) Relationship of present vegetation to soil types; The dryland and native grasses are compatible with the current soil type. (c) Estimates of annual production and carrying capacity if the choice for reclamation is for range or agriculture. The area is proposed to be reclaimed as fallow ground or dryland crops as there are no native water rights. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit J -1 EXHIBIT K - CLIMATE INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.11 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: Provide a description of the significant climatological factors for the locality. This property is in a semi -arid continental climate strongly influenced by the Rocky Mountains. The area is usually warm in the summer with frequent hot days. In winter, periods of very cold weather are caused by arctic air moving in from the north or northwest. Milder periods occur when westerly winds are warmed as they move down slope off of the mountains to the west. Weather monitoring data is not available from the site. The nearest weather monitoring station is the Longmont 2 ESE, Colorado, Station 055116 in the National Weather Service (NWS) cooperative network. The table below lists the average minimum and maximum temperature, and average total precipitation on a monthly and annual basis for the period of record from August 1, 1948 to November 30, 2004. Most of the precipitation occurs as rainfall during the warmer part of the year with the heaviest rainfalls in the late spring and early summer. Winter snowfall is frequent but the snowcover usually melts quickly during the milder periods. Average Max. Temperature (F) Average Min. Temperature (F) Average Total Precipitation (in.) Jan Feb Mar Apr May Jun Jul 42.4 46.4 52.9 62.3 71.9 11.9 0.40 16.7 23.2 32.1 Aug Sep Oct 82.3 88.9 86.7 78.4 67.0 42.2 50.2 55.3 53.3 0.39 1.13 1.73 2.46 1.73 1.12 Nov Dec Annual 51.9 44.5 64.6 44.1 32.9 22.0 14.4 33.2 1.26 1.22 0.84 0.69 0.45 13.36 Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit K -1 EXHIBIT L - RECLAMATION COSTS The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.12 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: The site would be 100% mined and 100% reclaimed. Mining will be complete for this site with mining occurring with the final slope (3H:1V). The mined volume would be replaced with inert fill. This site will require final grading, topsoil placement, seed and mulch. Please refer to the attached table for estimates of quantities and associated costs. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit L -1 EXHIBIT L - RECLAMATION COST Activity Quantity Units Unit Costs Cost A. Phase 1 - 100% mined (settling pond) 1 Backfill Settling Ponds Shore & Vogl (11 acres on Shores & 22 acres (Pond1) on Vogl/10 feet deep) 2 Backfill Pond 2b (9.4 acres on shores 19 feet deep, pending 2 years, 2022 start) 399,218 216,000 CY CY $ 3.00 $ - $ 1,197,654.00 $ - Subtotal $.. 1,197,654.00 B. Processing area. Processing equipment is portable and would be removed by the 1 Move serge piles into settling pond 1,000 CY $ 0.75 $ 750.00 2 Remove concrete pad for wash plant 15 CY $ 65.00 $ 975.00 3 Demolish and remove shop 1 LS $ 2,000.00 $ 2,000.00 4 Remove concrete footings for office 8 CY $ 65.00 $ 520.00 5 Remove concrete base for scale 10 CY $ 65.00 $ 650.00 6 Scarify ground 11 Acres $ 150.00 $ 1,650.00 7 Spread 12" topsoil 17,743 CY $ 0.75 $ 13,307.25 8 Seed and Mulch 11 Acres $ 900.00 $ 9,900.00 9 Remove Conveyor Belt & Reclaim 1 LS $ 15,000.00 $ 15,000.00 Subtotal $ .. 44,752.25 C. Cocnrete Batch Plant. 1 Move serge piles into settling pond 1,000 CY $ 0.75 $ 750.00 2 Remove concrete pad for wash plant 15 CY $ 65.00 $ 975.00 3 Demolish and remove shop 1 LS $ 2,000.00 $ 2,000.00 4 Remove concrete footings for office 8 CY $ 65.00 $ 520.00 5 Scarify ground 7 Acres $ 150.00 $ 1,042.50 6 Spread 12" topsoil 11,210 CY $ 0.75 $ 8,407.76 7 Seed and Mulch 7 Acres $ 900.00 $ 6,255.00 Subtotal $ 19,950.26 D. Asphalt Plant 1 Move serge piles into settling pond 1,000 CY $ 0.75 $ 750.00 2 Demolish and remove shop 1 LS $ 2,000.00 $ 2,000.00 3 Remove concrete footings for office 8 CY $ 65.00 $ 520.00 4 Scarify ground 9 'Acres $ 150.00 $ 1,275.00 5 Spread 12" topsoil 13,711 CY $ 0.75 $ 10,282.88 6 Seed and Mulch 9 Acres $ 900.00 $ 7,650.00 Subtotal $ .. 22,477;88 E. Settling Pond and Perimeter Seeding, including Amended Area & shoreline 1 Seed (all perimeters except Pond B including 30 foot buffer) 22.09 Acres I $ 900.00 $ 19,876.86 Subtotal $ <' 19,876:86 F. Slurry Wall @ 20% and 100% Installation Cost ($5 per SF) per DRMS Bonding Requirement. Assumes 25' average depth (including 4' key into bedrock & excludes Pond 2a & 3, as no disturbance for 2 yrs.) Pond A @20%, includes 6,286 linear feet of slurry wall 157,150 SF $ 5.00 $ 157,150.00 Pond B @20%, includes 6,076 linear feet of slurry wall 151,900 SF $ 5.00 $ 151,900.00 Pond C @20%, includes 6,823 linear feet of slurry wall 170,575 SF $ 5.00 $ 170,575.00 Pond D @20%, includes 5,038 linear feet of slurry wall 125,950 SF $ 5.00 $ 125,950.00 Pond E @20%, includes 3250 linear feet of clay liner 120,370 CY $ 5.00 $ 120,370.00 Pond 2a @100%, includes 6,257 linear feet of slurry wall 99,650 SF $ 6.00 $ 597,900.00 Pond 3 @100%, includes 6,257 linear feet of slurry wall 96,475 SF $ 7.00 $ 675,325.00 Subtotal $ "1,999,170.00 G. Rundown Spillways (includes haul of concrete riprap and placement , Pond 2a contains 26,000 SF of Pyramat Slope Reinforcement) Pond 2a (inlcudes two spillways and Pyramat Reinfroncement at Pond 2a outflow spillway) 3,200 TONS $ 50.00 $ 160,000.00 Pond 3 (includes two spillways) 3,200 TONS $ 30.00 $ 96,000.00 Subtotal $ 256,000.00 Total Disturbance Costs $ 3,261,453.11 Contractor Mobilization (8%) $ 260,916.25 Overhead (18.5%) $ 603,368.83 Administration (5%) $ 206,286.91 Total Disturbance Costs . - - $ ` 3,517,453.11 Indirect. Costs Overhead & Profit Performance Bond (2.02%) - Based on DRMS estimate $ 71,052.55 Performance Bond (3.07%) - Based on DRMS estimate $ 36,933.26 Job Superintendent (240 hours @ $75/hr) - Based on DRMS estimate $ 18,000.00 Contractor Mob and DeMob (3%) - Based on DRMS estimate $ 105,523.59 Contractor Overhead and Prot (10%) - Based on DRMS estimate $ 351,745.31 Subtotal $ 583,254.71 Contract Amount (direct + 0 & P) $ 4,100,707,82 Legal, Engineering & Project Management Financial warranty processing (legal/related costs) ($500) $ 500.00 Engineering Work and/or contract/bid preparation (4.25%) $ 174,280.08 Reclamation management and/or administration (5%) - Based on DRMS estimate $ 205,035.39 Contingency (3%) $ 105,523.59 Subtotal $ 485,33907 Total Indirect Costs $ 1,068,593.78 IT0148pnt 010110 - ..', " . y.---, 4586,0,46189`s"l EXHIBIT M - OTHER PERMITS AND LICENSES The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.13 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: The Operator has all appropriate permits: Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit M -1 EXHIBIT N - SOURCE OF LEGAL RIGHT TO ENTER This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.7 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations. Please refer to the attached legal right -to -enter documents. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Application Exhibit N -1 December 5, 2019 Bestway Concrete & Aggregates 301 Centennial Drive Milliken, CO 80543 RE: Legal Right to Enter To Whom it May Concern: In exchange for good and valuable consideration„tthniu ITikaA� hereby grants to Bestway Concrete & Aggregates the right to enter into the real property situated in Southwest Quarter of Section 36, Township 3 North, Range 68 West and in the Northwest Quarter Of Section 1, Township 2 North, Range 68 West, all In The 6th P.M., County Of Weld, State of Colorado. Refer to Exhibit for legal description. You and your officers, employees, contractors, and agents have permission to enter upon the Property for all purposes, including the exploration for gravel, sand and aggregate. We hereby confirm that you have authority and right to execute all documents required to apply for and obtain permits and the like to mine gravel, sand and aggregate and access the property. Following permitting, Bestway Sand & Gravel Aggregates agrees to enter into a Sand, Gravel, and Aggregate Mining Lease to remain in effect until mining activity ceases. The permission granted by this letter shall be effective immediately, and shall remain in effect until superseded by a Sand, Gravel and Aggregate Mining Lease or until -f 9.4oi ,kctku. _, whichever comes first. By: By: A104. -e, \4 Bestway Repres tative STATE OF l O6-cao COUNTY OF U-) e c JEnzeit) Pr• 'erty Own ) ) ss. MAGGIE HIRKO NOTARY PUBLIC STATE OF COLORADO NOTARY ID 20080011480 MY COMMISSION EXPIRES 07/0612023 The foregoing instrument was acknowledged before me on OCCewAV)Px- IZ, by Nrk-oiot My commission expires: Oi Jog /2647,S of . Witness my hand and seal. as EXHIBIT - LEGAL DESCRIPTION OF LEGAL RIGHT TO ENTER LANDS Property Description: LAND PARCEL DESCTRIPTION 1. VARRA #5 PIT 25658-A E2SW4 36 3 68 (1 R) WELD COUNTY ACCOUNT: R4786586 PARCEL: 120736000052 2.25658 SW4SW4 36 3 68 WELD COUNTY ACCOUNT: R4786386 PARCEL: 120736000051 3. 25053-A IMPS ONLY NW4NW4 1 2 68 WELD COUNTY ACCOUNT: R5575486 PARCEL: 131301000016 EXHIBIT O - OWNERS OF RECORD OF AFFECTED LAND (SURFACE AREA) AND OWNERS OF SUBSTANCE TO BE MINED The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.15 of the Colorado Mined Land Reclamation Board Construction Material Rules and regulations: Owners of Surface Area and Owners of Substance to be mined The property and the substance to be mined are owned by: Jerrilyn Louise Stinar; Richard J. Vogl; Margaret L. Vogl The following are Mineral Owners: Jerrilyn Louise Stinar; Richard J. Vogl; Margaret L. Vogl Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit 0 -1 EXHIBIT P - MUNICIPALITIES WITHIN Two MILES The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.16 of the Colorado Mined Land Reclamation Board Construction Material Rules and regulations: List any municipalities within two miles of the proposed mining operation and address of the general office: Town of Firestone 151 Grant Avenue, P.O. Box 100 Firestone, CO 80520 Bestway Concrete & Aggregates —Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit P -1 EXHIBIT Q - PROOF OF MAILING OF NOTICES TO COUNTY COMMISSIONERS AND CONSERVATION DISTRICT The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.17 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit Q -1 February 3 , 2020 t ; , 21 &iIt Longmont Conservation Distnk: 9595 Nelson Road, Suite D Longmont, Co 80501 RE : MLRB ( 112 ) Amendment Operation Reclamation Permit Application , Weld County , Colorado ; Shores Gravel Mine # I- 1998.013-AM03, yogi Amendment To Whom It May Concern 3estway; Concrete & Aggregate is applying for an Amendment to their M1996-011-AM 03 to their MLRB permit to mine sand . Parcel I of the site is within the northwest % of Section 1 , Township 2 Now. Range 68 West of the 6th Principal Meridian . Parcel 2 of the site is within the southwest % of Sewn 36 , Township 3 North, Range 68 West of the 6th Principal Meridian , Parcel 3 of tie site is vein the east f of the southwest Y4 of Section 36 . Township 3 North , Range 68 West of the 6th Principal Meridian . The site is generally bounded on the south by the existing Shores mine : on the north and by the St Vrain River , and on the east and west by rural residential , fallow fields , and uncle eloped parceS . The project is located in Weld County, Colorado . As required by the DRS regulatiorS , we have enclosed the following information for your review • Nobce of Filing Application form • Construction Material Regular ( 112) Operation Reciamabon Permit application form • Exhibit B Index Map • Exhibit C Pre-lining R₹an Map • ExhibitDMiningPlan • Exhibit E Reclamation Plan • Exhibit F Reclamation Plan Map • Exhibit I Soils Information • Exhibit J Vegetation Information • if you have any questions , please feel free to contact me at 303-833-1416 , e 202 . g Sincerely , 41110 CIVIL RESOURCES , LLC (,(ksyCy 'Le, Andy Rodriguez , P E , civil Engineer _7 Best -213% Not sA0 a .CE Q7 LS CD - 0nv+ doc EXHIBIT R - PROOF OF FILING WITH COUNTY CLERK OR RECORDER The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.18 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit R -1 SPILLWAY DESIGN Bestway Concrete & Aggregates — MLRB 112 Permit Amendment Application CIVIL RES'PURCES, LLC ENGINEERS & PLANNERS TECHNICAL MEMORANDUM Vogl Amendment - Spillway Design TO: DRMS Shore Gravel Mine — Vogl Amendment AM03 FROM: Civil Resources, LLC DATE: January 29, 2020 RE: Spillway Design This memorandum discusses the proposed spillway designs at the Vogl Amendment Gravel Mine. Final Reservoirs 2a and 3 are located in the floodplain whereas Cell 1 is not located in the floodplain and does not require a spillway. Using floodplain mapping from the Flood Insurance Rate Map indicates that Reservoirs 2a and 3 will be fully submerged during the 100 -year flood conditions. Subsequently, the inflow spillways proposed were primarily placed near the upstream ends of each facility. The capacity for each spillway is discussed below. The inflow spillways will be protected with riprap in order to deliver flood water in a controlled manner into the respective reservoirs. > A typical 100 -year storm in the Front Range is 3 -inches of rainfall per hour. During a storm event the major contributing factors to runoff are travel time, location of the storm and ground cover conditions. For example during the 2013 flood that lead to major flooding was caused by a strong orographic effect as the storm started in the foothills west of the site which resulted in longer travel times. The mountain area tributary to the St. Vrain River received approximately fifteen plus inches of rain over a week. As the flood wave propagated downstream flood water rose more slowly. Should a storm cell "sit" over the site the time to peak will be greater. As a result the site spillways were modeled considering a one -inch per hour rise in flood water. The results are presented under each reservoir discussion below and the spillway equation: Q=CLH15 was used to determine the flow rate over the spillway as presented on the reclamation maps. Reservoir 2a: 100 percent of Reservoir 2a is within the 100 -year floodplain. The following information was considered in designing the spillways and erosion protection: > The spillway was set on the upstream end approximately two -foot lower than the upstream max water surface elevation. This inflow point is the natural low point. > The reservoir is approximately 337 acre-feet in volume and the spillway has 1,047 cubic feet per second (cfs) capacity at 2 foot of overtopping depth. Each spillway was designed to be able to fill the reservoir so the banks are less susceptible to major washouts. A one -inch per hour rise in flood water would fill the reservoir in over 4 hours. This is adequate to protect the non -reinforced banks from severe erosion as the reservoir would be full by the time the banks would overtop and potentially erode. ➢ The reservoir was also equipped with a discharge spillway at the downstream low point. The discharge spillway will help direct flow as flood waters recede and limit erosion to localized areas. The outflow spillway will potentially serve as an inflow point in conjunction with the upstream spillway depending on how the flood waters rise in the vicinity of these pits. Reservoir3: 100 percent of Reservoir 3 is within the 100 -year floodplain. The following information was considered in designing the spillways and erosion protection: 323 FIFTH STREET • FREDERICK, COLORADO 80530 • PHONE: 303.833.1416 • FAX: 303.833.2B5❑ Sepetember 13, 2019 Page 2 of 2 CIVIL RESIDURCES D. An inflow spillway was placed on the south side of Reservoir 3. This spillway will allow water to flow into and the reservoir as the invert elevation will be set in the natural low spot of the reservoir grade and is a minimum of one foot below the base flood elevation. D. The reservoir is 307 acre-feet in volume and the spillway has 1096 cubic feet per second (cfs) capacity at 2 foot of overtopping depth. Each spillway was designed to be able to fill the reservoir so the banks are less susceptible to major washouts. A one -inch per hour rise in flood water would fill the reservoir in approximately 4.5 hours. This is adequate to protect the non -reinforced banks from severe erosion as the reservoir would be full by the time the banks would overtop and potentially erode. ➢ The reservoir was also equipped with a discharge spillway at the downstream low point. The discharge spillway will help direct flow as flood waters recede and limit erosion to localized areas. The outflow spillway will potentially serve as an inflow point in conjunction with the upstream spillway depending on how the flood waters rise in the vicinity of these pits. Conclusion The analysis was completed based on general hydraulic characteristics of the Big Thompson as a flooding source. The pattern of storms is largely unpredictable and therefore the recommended improvements cannot guarantee that the facilities will not be damaged during large-scale storm events. J:1Bestway-2131voglldrmslfloodcontrol-9-11-19.docx GROUNDWATER MEMO Bestway Concrete & Aggregates — MLRB 112 Permit Amendment Application January 31, 2020 Mr. Mark Johnson, Compliance Manager Burnco Colorado, LLC 301 Centennial Drive Milliken, Colorado 80543 RE: Shores Gravel Mine Vogl Amendment AM03 - Mitigation Plan for Potential Groundwater Impacts Dear Mr. Johnson: The purpose of this memo is to describe the existing groundwater regime in the vicinity of the Shores gravel mine including new mine cells on the Vogl property. Potential groundwater impacts that could result from dewatering of unlined cells and from soil-bentonite slurry wall (slurry wall) lining are also addressed herein. The Vogl Amendment is located west and north of the intersection of Weld County Roads 11 ' and 26, immediately north of the Town of Firestone, Colorado. More specifically, the mine is within parts of Section 1, Township 2 North, Range 68 West and Section 36, Township 3 North, Range 68 West of the 6th Principal Meridian. The site is 200 feet south of the Saint Vrain River at its closest point. Land uses in the area include irrigated agricultural, oil and gas production, active gravel mines, gravel mines reclaimed as below grade reservoirs, and residential housing. The mine plan is shown on Figure 1. The Shores site was mined in five lined cells. With the addition of the Vogl property, four more cells referred to as Cell 1, Cell 2a, Cell 2b, and Cell 3 will be mined. The Cells 2a and 3 will be lined with soil-bentonite slurry walls and will be reclaimed as below grade reservoirs. Cells 1 and 2b will be unlined and will receive wash fines from the processing of mined sand and gravel. Existing Groundwater Conditions The near surface groundwater is part of an alluvial aquifer in which permeable sand and gravel alluvium overlies relatively impermeable bedrock of the Upper Transition Member of the Pierre Shale and the Fox Hills Sandstone. Groundwater is measured in eight (8) site monitoring wells occurs at depths usually ranging from approximately 5 to 10 feet blow existing ground. However, groundwater depths in one well on the easternmost side of the mine, occur at a deeper depth generally in the range of 18 feet below the ground. This deeper depth is likely due to dewatering activities at the LG Everist Mine located on the east side of Weld County Road 13. The prevailing groundwater flow direction at the Vogl Gravel Mine area is northeasterly roughly reflecting the site topography. Groundwater in the area is tributary to the Saint Vrain River located north of the site. Locally the groundwater levels and flow directions are likely influenced by: > The Saint Vrain River is north of the site. For most of the year, the river likely acts as a drainage way maintaining groundwater levels at elevations greater than water elevations in the river. In shorter periods of high run off, usually in the spring, river water levels will locally recharge the groundwater table. ➢ The Last Chance Ditch traverses the Vogl property from west to east between Cells 1 and 2a. The ditch may act like a drain during the non -irrigation season maintaining water levels at or above water levels in the ditch. During the irrigation season, the ditch may serve as a source of recharge to the water table. Page 2 Mr. Mark Johnson January 31, 2020 > The Rural Ditch conveys irrigation water through mine site from west to east. A lateral from the Rural Ditch crosses the site immediately south of Cell 1. During the irrigation season, this ditch is likely a source of recharge to the water table. ➢ An unnamed drainage way traverses the west part of the site between Cells 2a and 2b before crossing north of cell 3. This drainage likely maintains groundwater levels at or above the water levels in the drainage. > Five lined gravel ponds referred to as Ponds A, B, C, D, and E. These ponds likely cause groundwater mounding (higher water levels) on the upgradient side of the site (south and southwest sides) and groundwater shadowing (lower water levels) on the downgradient side of the site (northeast and north sides). These ponds have been lined for approximately 15 years. ➢ Irrigation: The site is located in an area of irrigated cropland. Applied irrigation that is not lost to evaporation and transpiration likely recharges the groundwater. ➢ Alluvial Wells: Other than the eight (8) monitoring wells drilled at the site for monitoring groundwater levels, there are only five (5) pumping wells permitted within 600 feet of the mine property. One of these wells is on -site at the former Vogl residence. Three (3) wells are located on the north side of Weld County Road 24 %. The last well is located southeast of the intersection of Weld County Roads 24 3 and 11 1/4. If pumping, groundwater will be drawn to the wells. Monthly groundwater level monitoring was performed from June, 2019 to December, 2019 at the eight (8) monitoring wells drilled at the site. Average depths to groundwater are presented in the following table: Well Average Depth to Groundwater, ft (June to December, 2019) MW -3 17.43 MW -4 7.17 MW -5 5.69 MWNW 7.35 MWSE 3.09 V1 6.81 V2 10.42 V3 12.30 Mining Plan Five (5) lined cells have previously been mined or are in the process of being mined at the site. These lined cells are located south of Weld County Roads 24 3 and 26. The addition of the Vogl cells to the mine will result in two additional lined cells (2a and 3) and two additional unlined cells (1 and 2b) at the mine. All of the cells will be mined to bedrock. At the Vogl property, bedrock ranges from approximately 14 to 25 feet in borings drilled at the site. Page 3 Mr. Mark Johnson January 31, 2020 Potential Slurry Wall & Mining Impacts to Local Groundwater Levels For all lined cells, a properly constructed slurry wall or compacted clay liner will tend to isolate these cells from the surrounding alluvial groundwater table. The liner around these cells could cause "mounding" of groundwater (increase in groundwater elevation) on the upgradient side (south and southwest) of the lined cells and a potential "shadow effect" (reduction in groundwater level) on the downgradient side (north and northeast) of the Mine. Because the liner will tend to isolate these cells from the surrounding groundwater table, the effects of dewatering when mining lined cells will tend to not extend beyond the liner. Any mounding effect on the upgradient side of the south and southwest is anticipated to be on the order of a few feet or less and will dissipate with distance from the mine. Similarly shadowing affects will be on the order of a few feet and will dissipate with distance from the mine. The shadowing affects will be minimized by the presence of the Saint Vrain River on the north and the presence of the Rural and Last Chance ditches between the cells. Dewatering of the unlined cells (Cell 1 and Cell 2b) will result in decreases in water levels around these cells. Five (5) wells are permitted within 600 feet of Cell 1. No wells are permitted within 600 feet of Cell 2b. These wells and potential mitigation measures are discussed below. Area Wells A review of permitted wells on file at the State engineer's Office (SEO), Division of Water Resources (DWR) indicates there are five (5) permitted pumping wells within 600 feet of the permit boundary. All of these wells are screened in the alluvium. Three (3) of these wells, are west (upgradient) of the unlined Cell 1, one (1) well is downgradient of Cell 1, and one (1) well is within the mine area and is owned by the Vogls. A discussion of the wells located within 600 feet of the permit boundary are discussed below: > Lee Well: The Lee well is located south and east of the intersection of Weld County Roads 24 % and 11 %. This well is approximately 300 feet and cross gradient of Cell 1 and may be affected by dewatering of Cell 1. > Neumann Well: The Neumann well is located west of the site on the north side of Weld County Road 24 3/<. This well is approximately 130 feet upgradient of the unlined Cell 1 and may be affected by dewatering of Cell 1. ➢ Aites Well: The Aites well is located west of the site on the north side of Weld County Road 24 %. This well is approximately 400 feet upgradient of the unlined Cell 1 and may be affected by dewatering of Cell 1. > England Well: The England well is located west of the site on the north side of Weld County Road 24 %. This well is approximately 590 feet upgradient of the unlined Cell 1 and may be affected by dewatering of Cell 1. ➢ Vogl Well: The Vogl well is located near the intersection of Weld County Roads 11 ' and 26. This well is upgradient of the lined cells 2a and 3 and downgradient of the Last Chance Ditch (between the Last Chance Ditch and the lined cells). Effects on this well are anticipated to be minimal. Page 4 Mr. Mark Johnson January 31, 2020 Mitigation Plan Dewatering during mining of Cell 1 may affect four wells as addressed above. After reclamation, the wells should perform in a manner that approximately matches premining uses. However, if the miner receives a complaint, the following mitigation plan will be implemented. The site monitoring wells will be measured monthly to identify potential changes in alluvial groundwater flow or elevation associated with mining and reclamation activities. Baseline data collected from the monitoring program will provide a range of relative water levels associated with premining groundwater conditions. Experience at other mines in similar geologic settings has found that groundwater levels tend to fluctuate being highest in the summer irrigation season and lowest in the winter and early spring. If, during mining or reclamation, the relative seasonal groundwater elevation at any monitoring wells differs from baseline conditions by more than 2 feet, and the condition was not observed during baseline monitoring, or if the miner receives a complaint from any well owner within 600 feet of the site boundary, then the miner will evaluate the cause and take action within 30 days and notify the DRMS. After the DRMS has been notified, the miner will review the data and available information and submit a report to the DRMS within 30 days. The evaluation will include discussions with the well owner who has contacted the miner regarding a concern and review of baseline data from the well and vicinity to evaluate whether changes may be due to seasonal variations, climate, mining, slurry wall lining or other factors. The report will identify the extent of potential or actual impacts associated with the changes. If the extent of groundwater changes due to mining or reclamation activities is determined to be a significant contributing factor that has or may create adverse impacts, the mining associated impacts will be addressed to the satisfaction of the DRMS. Hiner will begin implementing one or more mitigation measures if mining and reclamation activity is determined to be a significant factor to groundwater changes requiring mitigation. Mitigation measures may include, but are not limited to: Placing water in a recharge pond to raise groundwater levels around the well. Constructing a local clay liner at the edge of the mine Cell (i.e. between the dewatering point and the well) in order to raise water levels on the well side of the liner and mitigate dewatering effects. Cleaning the well to improve efficiency. Providing an alternative source of water or purchasing additional water to support historic well use in terms of water quantity and quality. If needed, water quality parameters will be checked in affected wells to ensure alternative sources support historic use. Modifying a well to operate under lower groundwater conditions. This could include deepening the well or lowering pumps. All work would be done at the miner's expense with the exception of replacing equipment that was non-functional prior to mining. Page 5 Mr. Mark Johnson January 31, 2020 Please call if you have any questions. Sincerely, CIVIL RESOURCES, LLC Gary Linden, P.G. Senior Engineering Geologist J:1Bestway-2131vogllgroundwaterlgroundwater-memo Vogl.doc February 3, 2020 Mr. Eric Scott Division of Reclamation , Mines, and Safety 1313 Sherman Street, Room 215 Denver, Colorado 80203 RE: Bernhardt Gravel Mine Amendment 03, Permit No. M-1998-013; Groundwater Monitoring Dear Mr. Scott Bestway Concrete & Aggregate will continue to monitor groundwater levels in the surrounding wells across the Shores Gravel Mine Site. Please call if you have any questions. Sincerely, Betsway Concrete & Aggregate Mark Johnson Manager FIGURE 1 Please refer to the attached index map . . M - - ,,_ ._- tom. - : r -- - - -R ► rear? f 2/ f tice A w #0,. _Vits..) , „Lades., _ 1" V , '> : -ri loc jasomirroree„): io 7).. AMENDED VOGL . a PARCEL IL3C1tv;#7' l a a . WCR26 florniri r i m al EXISTING SHORES GRAVEL MINE -:-.1 . ...• I et ,44 ., , peem,,,, i3 eal `j I 1 4 -. .: ...si 1 )111111L,....%N\,.,,,j/41 e T c 1 I h. �5a 0- N \ES\ • 4 I I , . O Well ! WCR24/HWY 119 12 i 1 jr Alal . ' tad = 1 I 1/4%.) * 4 1i 0 I _ /A 3 d (ay-N. ., N IN .0..) .4, I Bestway Concrete & Aggregates —Vogl Amendment-Shores Mine — MLRB 112 Permit Amendment Application Exhibit B - 1 ti T--- _ -4 4 41( • ar w 1, `" ' r ` ._ - ylrr 4 , ., t• ''! �•. r' v.% - , r f !s"y�i{ • ' Y• •' 'may. -;tl. ,,. • . '. '_ f. - WA!. , ri-Iir = - :�i • I a- . -Ii. tr • 004 ' Uri t Lrd' • V2 AVE GW DEPTH .i.10 li �t_ %IT* k. +�� ' BELOW GROUND= 10.42 ' +� -" ' ...v.--• ii. r. . lab. V1AVEGWDEPTH • + t' _ I..t_. Yi • ` ' �� , '" �,, . BELOW GROUND= 6.81 •" - - 'PN• .. ► . r r MW 4 AVE GW DEPTH .. _ . FUTURE MINE `= 7•. 4 BELOW GROUND- 7. 17 ir..� ... ar � .• is f w.; t -•,•+ + V3 AVE GW DEPTH ;, MW ( NW ) AVE GW DEPT r l .7.4.40 BELOW GROUND= 12.3 BELOW GROUND-7.35' ' li WELL ( 105608 '"C } + .. , RINDOUR WELL ( 226509) � �' '''� VOGL WELL ( 103101 ) _ ` cr i Oh or ��- - 1'' -fp ' W c .; b - s- tar �- - - • . --t ^- -in-^ AITES WELL ( 252974) ". ' " .o ,'-. --t*�..---- i` t 40.4\ rfi - 4 '... , l. E '"•''-. '' . \ - - ' ... � ' - _ - . hi WELL (201975) WELL ( 20441) \ \ ._ in.ear HOMES WITH BASEMENT - \ '" BUILT IN LAST 10 YEARS .►•� ,. ,! • �. t • , reek - __ SE AVE GW DEPTH " r a _ 1 T... CURRENT MINE :C Y _ �, <� � • iii, • BELOW GROUND=3.09' 11111.111H. , '� iv fal ' �� F• '•. - - - �_. _ _ - - . _ _ -_ �-- I _ - I.• •ENGLAND WELL (225391) �... p-a�� y.� x r_,* # - 1 3 :' 4 PERMIT BOUNDARY - - -* �� , r, t0 MW 5 AVE GW DEPTH • BELOW GROUND= 5.6 • f fa' _ 1,,i PIT B *it ., �' 'i"~".. • 01 10 ` II • ,is ;H ri,000.0, PIT D i p YP ti > • el i • r- N , <_-... - - ~ . -_ PIT C 1SI ■...9 ... -.. SS al x ,A I' Ca , nt ' . - C / r :. . , a ar - f - _ : ��t. 1 i-'- .! • fit • L a• .{ � d �i..rr....r�.-.-' s 1 t r , . 6, it f ti %.s # i • . MW 3 AVE GW DEPTH y�. '. �e " ' : ' �r:,.. �. • f � _, ; • atista BELOW GROUND= 17.43' � "i �• i if 0 `. ,,�Y r : N - ' PIT Ar :,f '� t„air. 0,71 str,, . co, -. ,r_ itaszdir , .1. 0,4: .41/4 „ - ., c ... irs C•illi) . t SO?* Iri • i . 0 : O . '1/41.1) IP :lc --r- . rig141, .. ' -or i s''''s,t,t . i .T • vi . 4 IT . , ...t a„r=. • c _ .Art, -lats . , Agit" ' �- i _- Y\.--. r rr , • A_,_4 7 _ ! r q' 1 % �I�.." A, 1 N �•�• •.j J hcj4ve. y,,� (+/ - t Oa I. . :L. _. • r = .a - • cur'. ` itJ , ,. 11 ACRE • h 1 p V /, s-4- r1 - Vn jon f hr LT POND ?� _. a4 y " t w► +' . k► - • .`« 2" .r .,r ' .' ��/ r wla; Syr t 'yCr) _ r W � es t- •.. }, ~busE (I . -T . s to - A re; f- tortm , ' . • al re r 47,Allfr sirs- • r . , • w ai i :`, • ', '' 1 • rr ._ - It "Yi • r- d P -ter 01.HIGHWAY 119 " — - illa `_ ,�_ _�., J = �� est rile B � vd,•„_,.,�,,_ _ . " . 24 BESTWAY CONCRETE e r st _ " � � i 44$ f . � f • • CC SHORES SAND & GRAVEL MINE ' d �;' kft w• - � 4 r`i .; " � • Ain CIVIL RES'�URCES, LLC VOGL AMENDMENT • Wy C e t e t -- - r - .� r� ci. I. �� ► .t,? ' DATE : y Go e E a r th ORIGINAL 5/20/14 FIGURE : LA" "'� 1i,: REVISED 1/30/20 WELL USERS & GROUDWATER MAP n STABILITY ANALYSIS Bestway Concrete & Aggregates — MLRB 112 Permit Amendment Application January 24, 2020 Mr. Mark Johnson Bumco Concrete and Aggregate 301 Centennial Drive Milliken, CO 80543 Re: Stability Analysis for the Nix Gravel Mine Dear Mr. Johnson: This letter has been prepared to address the Mined Land Reclamation Board (MLRB) Construction Materials Rule 6, Section 4, Subsection 19, Exhibit S - Permanent Man -Made Structures (6.4.19, Exhibit S) for the proposed Vogl Gravel Mine located in Weld County, Colorado. This letter describes the project and slope stability analyses utilized to evaluate the minimum distance between the edge of mining and adjacent structures to avoid damage to the structure. The site is located west and north of the intersection of Weld County Roads 11 ' and 26, immediately north of the Town of Firestone, Colorado. More specifically, the mine is within parts of Section 1, Township 2 North, Range 68 West and Section 36, Township 3 North, Range 68 West of the 6th Principal Meridian. The site is 200 feet south of the Saint Vrain River at its closest point. Land uses in the area include agricultural, oil and gas production, active gravel mines, gravel mines reclaimed as below grade reservoirs, and residential housing. The mine plan is shown on Figure 1. The site will be mined in four cells referred to as Cell 1, Cell 2a, Cell 2b, and Cell 3. The Cells 2a and 3 will be lined with soil-bentonite slurry walls and will be reclaimed as below grade reservoirs. Cells 1 and 2b will be unlined and will receive wash fines from the processing of mined sand and gravel. The unlined cells (Cells 1 and 2b) will be mined at a slope of 2 horizontal to 1 vertical (2H:1V). The lined cells (Cells 2a and 3) will be mined at a slope of 3H:1V. Based on the stability analyses, this report indicates that the setbacks and perimeter slopes in the mining plan are sufficient to protect structures within 200 feet of the permitted mining boundary. Actual setbacks may be greater due to permit limitations, zoning requirements, construction issues, agreements with owners, and extent of economically mineable aggregate or other issues. GEOLOGY The Site is located approximately 17 miles east of the eastern flank of the Rocky Mountain Front Range. Younger sedimentary strata dip eastward off the Pre -Cambrian igneous and metamorphic rocks that form the core of the Front Range into the Denver Structural Basin. The Denver Basin is an asymmetrical downwarp of sedimentary strata with a steeply dipping west limb and a gently dipping east limb. Bedrock does not crop out at the site, however regional geologic mapping of the area (Colton, 1978) indicates the near surface bedrock at the site is most likely the Upper Transition Member of the Pierre Shale with the Fox Hills Sandstone mapped just to the east. Colton (1978) describes the Upper Transition Member as friable sandstone containing sandy shale and large calcareous sandstone concretions. Colton (1978) describes the Fox Hills Sandstone as cross bedded sandstone that grades downward to a fine grained silty sandstone interbedded with gray fissle shale. The regional mapping indicates the bedrock is overlain by the Post Piney Creek and Piney Creek Alluviums. The Piney Creek is mapped over the area of Cell 1 and parts of Cells 2a and 3. The Post Piney Creek is mapped at parts of Cells 2a and 3 and all of Cell 2b. Colton (1978) describes these alluvial deposits as sandy to gravelly alluvium. GEOTECHNICAL CONDITIONS Based on the site investigations, the natural site stratigraphy generally consists of three main units: 1) Overburden Mr. Mark Johnson January 24, 2020 Page 2 generally consisting of clayey and silty sands; 2) sand and gravel alluvial deposits that underlie the overburden and overlie the bedrock; and 3) bedrock usually consisting of sandy claystone with local areas of sandstone. These units are described in more detail below. 3.5.1 Overburden Unit The overburden at the site typically consists of brown clayey to silty sand that locally overlies a buff silty sand. The surficial brown clayey to silty sand overburden unit is typically approximately 2 to 3 feet thick with the top 6 to 8 inches containing significant organics. This unit locally is thinner to not present or is locally as thick as 5 feet. 3.5.2 Sand & Gravel Unit The sand and gravel is present throughout the site underlying the overburden and overlying the bedrock. This unit typically consists of gravelly, fine to coarse grained sand locally grading to sandy gravel. This unit ranges in thickness from approximately 10 feet to 22 feet. 3.5.3 Bedrock The bedrock encountered in the exploratory borings was generally weathered in the upper one to two feet typically became harder in unweathered zones. The bedrock consisted of sandy claystone with local sandstone. The approximate top of bedrock contours are presented on Figure 1. 3.5.4 Groundwater Groundwater was encountered in all of the borings at approximately 4 to 9 feet below ground surface. The groundwater levels will vary seasonally and will typically rise during the irrigation season. Groundwater will be controlled with the proposed below grade slurry wall. After slurry wall construction, groundwater mounding is anticipated on the upgradient (west and south) side of the site and a groundwater shadow (deeper water table) is anticipated on the downgradient (north and east) side the site. From a geotechnical standpoint, the sand and gravel will form the majority of the mine slopes. These soils are generally strong and stable, particularly when dewatered. Submittal STRUCTURES WITH 200 FEET OF DISTURBED AREAS The known, permanent, man-made structures within 200 feet of the proposed mine areas that are not owned by Burnco are listed below: UTILITIES: CENTRAL WELD WATER, ST. VRAIN SANITATION, KERR-MCGEE OIL & GAS/ANADARKO/OXY, NOBLE ENERGY, UNITED POWER, CENTURY LINK, WELD COUNTY PUBLIC WORKS, RURAL DITCH, LAST CHANCE DITCH, TOWN OF FIRESTONE. HOME OWNERS WITH HOUSES WITHIN 200': NEUMANN JAMES A, AILOR MICHAEL JOSEPH, NORTON GARY L, WEBER ROBERT ALAN, GROUND WATER MANAGEMENT SUBDISTRICTOF THE CCWCD, VARRA CHRISTOPHER, MILLER ROBERT L, LOO MOISES, SALAZAR MATTHEW J, RALSTON LAWRENCE ALLAN, MEISNER DAWN J, CLARK ROBERT, FREAS PETER W, STYPA ERIC, NIETO CHIRELLE, JOHNSON RICHARD K, RADEMACHER VINCE, NEWCOMB RICHARD SCOTT JR, AVESTRUZ ANTHONY C, ROCHA DESTANIE R, SMITH WILBUR R, CONWAY CHRISTOPHER JEFFREY, CAMACHO MARCO, LENZ GREG, HUSS SCOTT P, HOGAN JOSEPH DANIEL, BERG BERNARD I, J AND J , ANAGEMENT LLC WAVERLY, DOYLE DAVID, TILL STEVEN ROBERT JR, TREVINO SELSO JR, J A R HOLDINGS, LLC, VOGL RICHARD J, STINAR TOM, LEE JENNY L, SUN COMMUNITIES Mr. Mark Johnson January 24, 2020 Page 3 STABILITY ANALYSES Recently, Division of Reclamation and Mining Safety (DRMS) staff drafted a policy regarding stability analyses of neighboring structures. The draft summarizes adequate factors of safety (FOS) for non -critical and critical structures. The structures around the Nix mine are, for the most part, considered critical structures. Discussions with the author of the memo, Mr. Tim Cazier, indicate the FOS will be adopted by the MLRB. The FOS are for both static and seismic (from an earthquake) stability analyses. For generalized strength assumptions and critical structures, a FOS of 1.5 is considered sufficient for static conditions and a FOS of 1.3 is considered suitable for seismic conditions. The stability of structures within 200 feet of the proposed mining limits was evaluated at nine (9) sections. The sections evaluated either at the tallest high wall or in the area of the closest structure in each mine cell under anticipated loading conditions around the perimeter of the site as discussed below. The computer program XSTABL was used for the analysis. The method for selecting the critical failure surface for each analyzed loading condition is the following. The Modified Bishop's Method of Analysis is used to find the critical failure surface by randomly searching with 20 termination points and 20 initiation points (400 failure circles) with 7 foot line segments over the slope surface and at the structure in question to determine the lowest factor of safety. Both static stability under anticipated mining conditions and seismic stability under peak ground acceleration loads were performed. Seismic loading was obtained from the U.S.G.S. Unified Hazard Tool. Review of the Hazard Tool indicated a maximum horizontal acceleration of 0.096g with a return period of 2,475 years for the site. The seven cross section locations were selected and analyzed as described below. All of the sections met adequate FOS as summarized below in Table 1. The section locations are shown on Figure 1. ► Celli: Section D This section is on the northwest side of Cell 1 and considers the tallest mine highwall of this cell where the mine highwall is closest to the Last Chance Ditch. The stability analysis for this section assumes a mine highwall sloped at 2 horizontal to 1 vertical (2H:1V). The nearest structure is the Last Chance Ditch located approximately 31 feet to the northwest. The stability analysis on this section was run with potential failure circles initiating at the ditch and terminating in the area near the base of the mine highwall. Section F This section is on the west side of Cell 1 and considers the tallest highwall on the west side of the cell where the mine is closest to a fence. The stability analysis for this section assumes a mine highwall sloped at 2 horizontal to 1 vertical (2H:1V). The nearest structure is the fence located approximately 25 feet to the west. The stability analysis on this section was run with potential failure circles initiating at the fence and terminating in the area near the base of the mine highwall. Section G This section is on the south side of Cell 1 and considers the case of the closest structure to the mine (the Rural Ditch). The stability analysis for this section assumes a mine highwall sloped at 2 horizontal to 1 vertical (2H:1V). The nearest structure is the Rural Ditch located approximately 17 feet to the south. The stability analysis on this section was run with potential failure circles initiating at the Rural Ditch and terminating in the area near the base of the mine highwall. The analyses indicated a sufficient FOS. However, this FOS was the lowest of all the sections analyzed. The mine limit was moved another 20 feet to the north. The actual FOS will be greater than the FOS presented below (Table 1). ► Cell 2a: Section B This section is on the northeast side of Cell 2a and considers the case of the tallest highwall and the closest structure (a gravel road). The stability analysis for this section assumes the presence of a slurry wall and a mine highwall of 3H:1 V. The gravel road is located approximately 45 Mr. Mark Johnson January 24, 2020 Page 4 feet north of the highwall. The stability analysis on this section was run with potential failure circles initiating at the gravel road and terminating in the area near the base of the mine highwall. Section E This section is on the northwest side of Cell 2a and considers the case of the tallest highwall and the closest structure (a fence) on this side of the cell. The stability analysis for this section assumes the presence of a slurry wall and a mine highwall of 3H:1V. The fence is located approximately 47 feet west of the highwall. The stability analysis on this section was run with potential failure circles initiating at the fence and terminating in the area near the base of the mine highwall. ► Cell 2b: Section A This section is on the northeast side of cell 2b and is the tallest highwall in the cell. The stability analysis for this section assumes a mine highwall sloped at 2 horizontal to 1 vertical (2H:1V). The nearest structure is a fence located approximately 20 feet to the north. The stability analysis on this section was run with potential failure circles initiating at the fence and terminating in the area near the base of the mine highwall. ► Cell 3: Section C This section is on the northeast side of cell 3 where the tallest highwall is present. The nearest structure is the Tri-Town Drainge District drain channel located approximately 45 feet to the east. The stability analysis for this section assumes the presence of a slurry wall and a mine highwall of 3H:1V. The stability analysis on this section was run with potential failure circles initiating at the drainage ditch and terminating in the area near the base of the mine highwall. ► Pond A: Section H This section is on the west side of Pond A in an unmined area with a previously constructed slurry wall. Available borehole data indicates the depth to bedrock and corresponding highwall height would be approximately 21 or 22 feet. We conservatively modeled this section with a highwall height of 30 feet. The highwall is 25 feet from the slurry wall and mined at a 3H;1V slope. The nearest structure is a gas line located approximately 31 feet from the mine limit. The stability analysis on this section was run with potential failure circles initiating at the gas line and terminating in the area near the base of the mine highwall. Section I This section is on the north side of Pond A (Shores Gravel Mine) in an unmined area with a previously constructed slurry wall. Available borehole data indicates the depth to bedrock and corresponding highwall height would be approximately 21 or 22 feet. We conservatively modeled this section with a highwall height of 30 feet. The highwall is 25 feet from the slurry wall and mined at a 3H;1V slope. The nearest structure is the Rural Ditch located approximately 74 feet from the mine limit. The stability analysis on this section was run with potential failure circles initiating at the Rural Ditch and terminating in the area near the base of the mine highwall. MATERIAL PROPERTIES The material index and engineering strengths assumed in this slope stability report are discussed below. Mr. Mark Johnson January 24, 2020 Page 5 Overburden The strength properties for the insitu silty to clayey sand overburden were based on field testing data and on our engineering judgment; the following parameters have been used to model the overburden. Dry Unit Weight (pct) Moist Unit Weight (pct) Saturated Unit Weight (pcf) Cohesion C' psf Friction Angle 0' Native 103 114 126 50 29 Alluvial Sand and Gravel The sand and gravel is generally a medium to coarse -grained sand that is medium dense to dense and locally gravelly. The alluvial sand and gravel was modeled as follows: Dry Unit Weight (pcf) Moist Unit Weight (pct) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle 0' 119 129 130 0 35 Bedrock Bedrock below the alluvium is predominately sandy claystone with local sandstone. Sandstone is typically stronger than claystone. Claystone is generally a weak bedrock. To be conservative, we modeled the bedrock as claystone. For the claystone bedrock, two potential strength conditions were considered. These strength conditions are referred to as: 1) peak strength, and 2) residual strength. Peak strength is the maximum shear strength the claystone bedrock exhibits. The shear strength is made up of both cohesion (diagenetic bonding) and internal friction. Under short-term conditions for unsheared claystone, peak strength governs behavior. If a sheared surface or sheared zone is present within claystone as a result of faulting, slippage between beds due to folding, past shrink -swell behavior, stress relief, weathering, or from a landslide, the cohesion along the sheared surface is reduced to zero, and the angle of internal friction is decreased, due to alignment of clay minerals parallel to the shear plane. Under these conditions a claystone exhibits its lowest strength known as residual strength. Residual strength bedrock occurs in discrete zones, parallel with the sheared surface or zone, whereas fully softened strength occurs over a broader area (not used in this modeling). Based on data from other recent projects and engineering judgment, the residual strength claystone was modeled in a one -foot thick layer overlying the peak strength bedrock as follows: Dry Unit Weight (pct) Moist Unit Weight (pcf) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle 0' 116 Peak =126 Residual = 110 Peak =135 Residual= 133 Peak =100 Residual = 0 Peak = 27 Residual = 15 Soil-Bentonite Slurry Wall The proposed slurry wall will consist of a mix of the overburden clayey to silty sand, alluvial sand, and imported bentonite. The resulting mix will produce a non -Newtonian fluid with some shear strength characteristics based on a reduced friction angle of the overlying overburden. Based on engineering judgment, we modeled the slurry wall as follows: Dry Unit Weight (pcf) Moist Unit Weight (pcf) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle 4y' NA 112 115 0 0 Mr. Mark Johnson January 24, 2020 Page 6 STABILITY ANALYSES RESULTS The stability analyses assumed the mining will be per the mine plan. The plan includes dewatering with a series of perimeter drains in Cells 1 and 2b and perimeter highwalls of 2 horizontal to 1 vertical. Dry mining will occur in cells 2a and 3 as the water level in these cells will be controlled by slurry walls. The perimeter mine slopes of cells 2a and will be no steeper than 3H:1V. Setbacks listed in Table 1 (below) indicate the setback from the structure to the mining limits. The setback distance can be increased as needed to address other restrictions such as weaker than anticipated soils, deeper mining, or unanticipated groundwater. The factor of safety shown below in Table 1 is the minimum factor of safety of the conditions listed above. TABLE 1- SLOPE STABILITY RESULTS AND SETBACKS Cell Section Critical Structure Structure Setback From Mine Limit (ft) Static Factor of Safety at Structure Seismic Factor of Safety at Structure (0.096g horizontal) DRMS Draft FOS Requirement Static/Quake Cell 1 D Last Chance Ditch 31 2.1 1.5 1.5/1.3 Cell 1 F Fence 25 2.1 1.5 1.5/1.3 Cell 1 G Rural Ditch 17 1.6 1.3 1.5/1.3 Cell 2a B Gravel Road 45 2.6 1.7 1.5/1.3 Cell 2a E Fence 47 2.8 1.8 1.5/1.3 Cell 2b A Fence 20 1.8 1.4 1.5/1.3 Cell 3 C Drainage Channel 45 2.7 1.8 1.5/1.3 Pond A H Gas Line 31 2.1 1.5 1.5/1.3 Pond A I Rural Ditch 74 3.2 1.8 1.5/1.3 CONCLUSIONS Based on the Factors of Safety listed in the table above, the mine will not be a hazard to neighboring structures provided the structure and slurry wall offsets, as well as the perimeter mine slopes, follow the mine plan. LIMITATIONS Our review is based on regional geologic mapping, present mining plans, and in part borehole data by Civil Resources and others. Stability analyses were performed using typical strength parameters for the various strata in the critical sections. Should the mining plans change or subsurface conditions vary from those portrayed in this letter, we should be contacted in order to re-evaluate the potential affects on permanent man-made structures. Stability analyses were run at the structure in question and were not run on failure surfaces closer to the highwall. Note also that surcharge loads due to temporary material stockpiles and overburden berms were not considered in the analysis. Please call with any questions or comments. Sincerely, Mr. Mark Johnson January 24, 2020 Page 7 Civil Resources, LLC Gary Linden, P.G. Senior Engineering Geologist Attachments: Figure — Mine Plan showing boring locations and sections used. XSTABL Model Outputs: Sections 1, 2, and 3 J:1Bestway-2131vogIldrms\Stability Analysis\Stability analysis report - Vogl.doc FIGURE 1 Please refer to the attached index map . 'r.. a - is r J,,,..-- - -- -I-- /�." -- _ , y r • ter . OS nree "..-----r "VC' 4 rti it , "III/olbSlia.., ,, 'elV gjd. r -j / S"'Mg* 4' a I \ tet-iefie - No op -el' .. 4_ AMENDED VOGL • z .4, a10 . tor PARCEL se 13celdi 4 r---.N.,_ WCR26 'I • s4t) - --- EXISTING SHORES I GRAVEL MINE • • sue , • 0141 7 enaei 42 A -rilit • i ‘T 4 e4ONI }/1 isis „art drfisl TI 1 h? lb ., , o I , �f$ c449 5 O I .. 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' Il�, I 1 $ OH E— OVERHEAD POWER LINE Call �� you d� / � ' r� I I I 1 SS - SANITARY LINEIn MAILBOX V 9 �PtN RAVER DIIt I I II E UNDERGROUND POWER UNE TELEPHONE PEDESTAL 5� r - ' t� I I i�Ll BESTWAY CONCRETE & AGGREGATE I toor I I IT 301 CENTENNIAL DR. i UNDERGROUND TELEPHONE UNE Oo DRAINAGE MANHOLE 1 - •r- I I Il,rl'I I 11 � 1111riy /y' MILLIKEN, CO 80543 t >1 WATER VALVE 11 111 970 587 7277 TOP OF BANK ' I sw 1/14 wR.. SEC. I1'� I K RECECTb F250t MENT �� I o-s 1/6 COP_ SEC ye. 1 1 O WATER METER I I FN° RUM w/ \I I SIT $ I BaR r/ 3.23• TOE OF BANK I 3.2s- KUN�t� I' I I 12' STEEL &L 1L 1 CAP •t$ Serve• 1 I 1 CONTACT: MARK JOHNSON WATER MARKER 1isI4e15 CAP• � LL - - _ _ _ _ _ _ — _ _ - r-RNs481l3 \ --- - - Ii / H11 ONE FOOT CONTOUR 20' OFFSET1 I N88'21 '28' E 1 -- 1 5 ROOT CONTOUR SIGN � Mw2 — __ _ ,-- 4-.3:- 11 FOUND ALIQUOT CORNER TT1PR C . SEC 354135. - _ — _ II i EL 111 _ - -n-, -n-,,,, rN0 96 REBUT w/ y 23_ 1 1 - SECTION LINE - I _ v el t.7 .,, AS DESCRIBED ALUMWUM CAP -LS 14815 IIF ♦ /�,.° PROPERTY LINE 1 I. � I i _/ /•� I. SET ALIQUOT CORNER ► LL 2B 1t ;l1 / '♦ 16' UREA RIGHT OF WAY AS DESCRIBED ,; 1/ 9444 ACRE WET OFFSET . I U / 44 r- L414444- FLOODPLAIN MINED & C. r1 '� •' EASEMENT s. REC 02140933 30' Off SE, I' RECLAIMED TO 12N4v-ia11 9 %/A / C •A % POTENTIAL WETLANDS %I 11 NATIVE GRADE z4 l23 � II -1 .,,.,,�,� 1 !L iuii N. INV-b r 2.3 itiFFSET/ H/ STRUCTURE 15 y r, i T. Z 0 PROPOSED PERMIT BOUNDARY r �f•N �3 I I V t Iv r UI a Q _/ PROPERTY LINE 74' G L_ - '� Ic- I Z 0 - FE 4820E BASE FLOOD ELEVATION 9 NV=4815.6 } i1 , / T. G t „•n�u.n.l,-„-,.- r` mac- .F. rV -- —� / I4 ,It I \ T in .•"•" l VOGL 33N-35H Z'• • ^_ I I . 1 \ 7. T`T. J 0 . ''" VCCL STATE 3914-36HZ� / p 1 'J 21• ' \ p EX LOCATION U �'w•,,,1 VOGL 13 ST HZ' • •"•.y„ _ 2o '�1 1 I � III 3. 1 1 \\ li. R( � DITCH W AA I , i ID ' ' CELL 3 \ ,. Q ,a.0 16C_36HZ •I,•ry 1 1A t y • q MVO 21.4 ACRES �� '1 1\ I IS i 4 Q W • •' voc0. 31N-35Hz • ,.,,.., \ J r 1 ff '1 I:� I RECLAIMED TO �r I A i k : RELtPrK�N 2140933 • VOGL •„ II ! 1 G A L vDGL STATE 3eN-JBH2 •„ — _ _ I is 1 !' r •• 2 1 LI I1 LINED WATER STORAGE t A - 24• PVC Z4, I r , Inv-sers.s -1� ZONE (.AE>N I // \ •"•.4. m i 77 y 7� 1 1 11 1 '� my-b1 RCP J O L., BARBED '7i. CE I 1 r L 7'r 1 1 '�-ill REMOVED INING7 i O I �rll/ / ' / y / 1 1 1 (�/••f:, i T 36-A80' RCP 1 I / / r Y / ! y7 / 7 > UI U I - 1 3°0'X170' PRODUCTION i y INV-4815.5 I fn l ] Z FAC3LI TY REC 4182501 ' - - III r ISilL ' CMP WITH METERING \ s 3 ' QII / i iM I 21' III a �I II - / EOUWNENT O / ■ I 1 4 ,' KMGG i Q 9 01 '1 I RIC T-OF-WAY i 7' 24• PVC i i i CD 4 I MEN? Cf:l/YI Ifs T . INV-41311 .6 rn/ .• p I I 4182501 L (L fL�'1_ �• I I y ' �.r 24 4a 2 8 U PROPOSED CONVEYOR /I! ,_ X 50' RAILROAD / .•'� i /1 �� 25' OFFSET >•/ INv I & PUBLIC /i./////� . I I %, OPTION A _ . a) 19- STEEL 28.72' OFFSET - I unuTY EASETIENr • I '• 20' OrFSE? FLOODPLAIN INFO: REC 116264 1 5A ye• VERTICAL CUP } _!_ .'` 1 wv-4821 6 APPLICANT: '25 OFFSET -1 _ —__ I4 •�.,,.,, ��- - -FLOODPLAIN INFO IS FROM i CELL 2A I i 9 ACCESS „�„_ -„� Si BESTWAY CONCRETE COMPANY, INC „�,.� ( N1 12' CMP WITH METERING EQUIPMENT FIRM FLOOD INSURANCE RATE MAP 301 CENTENNIAL DRIVE 19.7 ACRE I srORr rroOD tl 9.eS II "'w:' [� PANEL NO. 08123C1890E RECLAIMED TO MIX Bum CONCRETE � ' MILLIKEN, CO 80543 i FOunwrXXA ',ISE so.FT. 9 1 • REf f 1 36'�VERnclL CUP PAVEMENT EFFECTIVE DATE: JANUARY 20, 2016 I i LINED WATER STORAGE i.- 25' 1 ? 1 'I 1 1 I `` RECEPTION g 4204764 �e orRSFr LINE - - ��1 I�� , t► o (6 i , I • —_� - - - ` �wsl� 9 Cp1., SEC 35, r )N . R B6w. - l AFFECTED LANDS: IACOrr.. SEC T n . R eeve II `—"�--� — — — — — %get - NOTES: __- t• 71 4 roR, SEC Ss, Lim . FM COOT TYPE 2 WOMAOrt 1 - PROPOSED \ w1 4 COIL, SEC 1, TIN . REVISIONS CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR u 'e.e: q\ 9 CMP o' cNP / I STOW! BLOCK TOP-4e20.9 CONVEYOR /1 \ 4$ ■.Ne. SAFETY. IN. ON, OR ABOUT THE PROJECT SITE, NOR TRICYCLE LANE TEXAS LLC S88'13'47 1321 70' cwc€ 1 - INv.4e21 .7 w 1/16 O R SEC ./ea . CROSSING V A MIN ROM •/ a2a NO DESCRIPTION DATE 7 CONCRETE FLOOR 1 f JN . R.6ew._ 19' STEEL ,/ V I 1 Males CAP is war '' LOT HOLDING, LLC 893 SO.FT MW-NW P6ALUUW JMw/CAD INv-4021 .7 Y4 FOR COMPLIANCE BY THE APPROPRIATE PARTY OF - PROPOSED / \ 91w4 STINAR & VOGL 7 7 1 r y l . s 21500 ANY REGULATIONS THERETO 1» yy / ; — I soa w000 6UILC1NG EXISTING RECHARGE CONVEYOR — N Z� y 1 , /j \ r rN avc7AeN t X90 POND TO BE RECVUMED OPTION A \ \ THESE MAPS WERE PREPARED BY CIVIL RESOURCES, TOTAL PERMIT AREA Al : ` IVORY A�"cNEosaos ' \ son EX LAST CHANCE Y 11 ',� 29ee'�''''�FSET 21' OFFSET — t 4,Spy SOFT. ' IRRIGATION DITCH Y 510.8 ACRES 4, LLC. IN COOPERATION WITH BESTWAY CONCRETE. \i ., Nv�ierso F -- • 3-cRAa vt0s PROPERTY ADDRESS: 4 .,,.,,_ c!all��,- BESTWAY WILL KEEP THE DIVISION OF RECLAMATION •' __ �• ��-,=I r _-: ��- 4 NAPPED FLOOOPUMN • r.. �„• tl CPMINING AND SAFETY INFORMED OF ANY CHANGES 11401 COUNTY ROAD 9 3/4 1 4 l• �• -"� D wood �I + =4819 �_: �4 \ :' \ TO THE MINING OR RECLAMATION PLANS THROUGH 1 " •tom• . -, -„- "•"t "• -iC J FIRESTONE, CO. 80504 1�— SNt 1.728 15• CUP AND U AMENDMENT APPLICATIONS C AS NECESSARY , > > > 1 .1 I I 1 1 AN MNa J 50 FT TOP-4824.9 PROPOSED CONVEYOr N •THROUGHOUT THE LIFE OF THE MINE ` L — °�°I' B KERR- � TR1-rover+ DRAINAGE. ;'`—� - MCGEE 7% SURVEY INFO: / -` - _ tom- _�, _ 12- STEEL % PRIOR TO CONSTRUCTION ALL UTILITY, GAS WELL. ��\� ! �J ` r roP-se233 SHUT-IN OIL WELL, & WATER WELL LOCATIONS MUST BE �� ' PROPOSED '� VERIFIED. KING SURVEYORS rn 12' CHDANCMJ j I CONVEYOR \ / * _ BARBED WIRE FENCE ` / . N 631) E. C:ardcn Drive I Windsor. Colorado 81155U / A 2 STEEL ) 1 7. a' phone. (970) 686.5)11 I C) HV-4824 M Pin I 1 n I email: info@KingSun'cyors.com ♦ i - -L POND F (uNER APPROVED) 1` ;') J0 OFFSET O • FLOOD ZONE "X" ' I z I +Ac «/- i (f 4/- WINK CDNPIE IF k RURAL DITCH r` Ot NO FLOODING wk I I Pd+p WORMED o \ LATERAL�2 O BE REMOVEDTDUR NG �!•Iw N I / p MINING AND RECONSTRUCTED a I / t\ N N FOR RECLAMATION (7)--14*. \ / ^ 2O' Lii VARIES FROM MINE PERMIT/PROPERTY LINE/ROW OR EASEMENT, NO LESS THAN 20' O OI I J - / A N. DESIGNED BY: ARR DATE: Fe0 04, 2020 30.01 ' OFFS T e N CELL 1 �I� Y • DRAWN BY: ARR SCALE: AS NOTED to TEMPORARY TOPSOIL (\/�`'�/ i PRIVATE J EAST PHASE N srO(XWLE F 18ACK 7 / LATERAL 22.2 ACRE WET I I / // 9 A CHECKED BY: ARR AS NOTED �/ : 1 MINED & a u - ' DWG NAME;DRMS-VOGL.DWG v R RECLAIMED TO I N vI WRING COMPLETE JOB NO. : 1 .001.38 m ❑ NATIVE GRADE 50' KMGG RIGHT-OF-WAY EA a EN ' I J �, - E105TING GRADE a I REC 42°4764 I I k .I i a, GROUNDWATER �� PHASE 1 9rhi S r o SLURRY WALL /J ? iAB1F 2 , _� / N EX. LOCATION ^ 120 FUTURE DRAINACEWAY 1 PHASES 2-3 ❑ _� I I RURAL arch 1` 0 li C4SL4J- / N RETURN BY TOWN OF FIRESTONE 1^� DBMS -VOCE - II- I INv2•48273 I V 'CD � ' C�, ,/16 �R.. 5E< 1. ,. ., R.6... XSTABL B L PLAN 3 24- , 20' OFFSET RURAL - ` W 1 -413 7.9 . OLE U_I J� 1 e' OAP ,{nt /. L L L L L I - 16' CPO C!.'YlP■Al� - — - iNv-4L,,Th I I /—J 1' - • • .— SIP emu■------ �ll.� - minimal. -. DEWATERINC TRENCH, POSITIVE [Who 4528.9 _ Z-0.jj DRAINAGE TO SUMP \- BOTTGN OF '�— 625.0 im GRAVEL RESERVE - -- t! y F 1 N88'1 3'10"E 1336 28 • „� i — _ / _ S - , Nl/le COW SEC 182. _ — �N£LO CO. ACsto 1173 F. —'�— __,._ . I 1 1 z" CMP ' = ex RfANs( Id27+� �I �_ — 02 TYPICAL TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION . ...--.....T-304-• 6 AR w/ - -- - - 4 Ii SHIFT: g. 03 7242 1• INV-4828 I J PROCESSING ON SHORES e- II 1.25• /1UMNUY CAP -t5 " y l UNE TO THE SOUTH EXISTING- U7fRAL 1I 0 NOT TO SCALE INV 482 BARBED-W RE FENCE V r � FIG . 2 } ` INV-4828. ` � I POND A • ■II■11.11■na■iu.�• • ■114�p■N _ �_. CO wllA■II■I ■I w Ammo u lu 11■II■Ilwll■ I■11■�,ri■L■IIw4■,�■,,.Il wll■p —i ( ■ . ._..-,.-u-u-u-u•11■11■R■II■II■n■U■. f .n. . 4 TY I , �1 -1 LL � , 1 r - -_--- - TV s. a t0 o °) no J IBeslway 2131voglldrawingsISHEETSIdrms vogl dwg 2/4/2020 12 17 33 PM 4830 4820 4810 4800 4790 4780 _Ii_ _ � STA 2+15 91 EL 4817 34 STA 2+32 91 EL 4816 54 51 A 2+32 91 STA 3+02 89 EL 4815 55 ` STA 2+32 0 EL 481673 _lam STA 7,+65i STA 0+00 00 STA-1+75 69 EL 4797 18 FENCE EL 4817 -'STA-2+77 63 _ PERMIT BNDRY/PROP LINE STA 2+36 36 35 EL 4816 29 H i EL' 4817 37 STA 2+80 93 EL 4815 48 -� I _fI 0+00 0+50 1+00 7 SECTION A - NORTHWEST MINE 4840 4830 4820 4810 4800 4790 4780 1+50 2+00 2+50 3+00 4830 4820' 4810 4800' 20 4790 3+16 780 o o ° xo (8GI8BFire) STA X64 04 EL 4819 05 SLURRY WALL _ STA 1+88 05 EL 481904 GRAVEL PAD STA 0700 00 EL 4798 12 P STA 0+99 87 EL 4797 97 1I riEL 9823 51 // STA 2+09 05_ EL 4819 04 STA 27i.18 77 EL{ 4821 47 STA 2+23 84-, LEL 4822 75 STA 2+39 6 EL 4822 76 S I A 2+70 11 STA 3+10 12 EL 4823 88 EL 4824 92-\ STA 23528 1669 GAS LINES STA 2+8892) -- EL 4825 07 STA 3+05_6j E. 4824 86 0+00 4830 4820 4810 4800 4790 4780 0+50 1+00 7 SECTION B - WEST MINE 1+50 2+00 4840' 4830 4820 4810' 4800' 4790'1,0 20 4780 2+50 3+00 3+10 —7 ° o 204 (SGiiN PDT) SLURRY WALL PERMIT BNOW/PROP LINE STA 2+52 94 EL 415 30 STA 1+83 51 I $TA 2+29 06 STA 1+1,Y 9 STA S7- 480887:3a4812ML4812E4OL STA 9+00 00 4793 73 STA 1+02 15 EL 4794 00 %STA IrrEL 1 4z STA 2+10 07 J 2+19 42 EL 4800 24 I EL 4806 24 I r r 0+00 0+50 1+00 OSECTION C - EAST MINE 4840 4830 4820 4810 4800 4790 4780 1+50 2+00 STA 0+00 00 EL 4809 04 STA 1+1,132 STA 3+31-77 EL 9825 EL 4824 83 'STA 0+98 89 I EL 480840 1 STA 1+62 26 51A 2+23 11 4840 63 [EL 4825 77 STA i+II EL 4826 43 111123 EL 48277387- - 1 ,I 4830 1 /IT 7 4820 STA 1+45 09 EL 482508 STA 2+32 27 I STA 1+67 39 EL 4824 12 I EL 14821 14 A 1+95 74 -4810 EL 4823 30STA 1+85-93EL 4822 73 DITCH \ STA 1+82 -75 - EL 4821 30 0+00 0+50 1+00 7 SECTION D - SOUTH MINE 1+50 2+00 4800' 4830 4820 4810 4800 0 20 (SOU VI iiC7) (SEALS ES lilT CIVIL RES"DURCES, LLC 323 5th STREET P O Box 680 FREDERICK CO 80530 303 833 1416 WWW W CIVILRESOURCES COM BESTWAY CONCRETE & AGGREGATE 301 CENTENNIAL DR. MILLIKEN CO 80543 970 587 7277 CONTACT MARK JOHNSON VOGL GRAVEL MINE GRAVEL MINE AMENDMENT WELD COUNTY COLORADO REVISIONS NO) DESCRIPTION DATE DESIGNED BY ARR DRAWN BY ARR CHECKED BY A3 108 NO 213 001 38 DWG NAME.DRMS VOGLDWG DATE Re04,2020 SCALE, AS NOTED AS NOTED DRMS-VOGL - XSTABL SECTIONS SHEET FIG. 3 4830 SIA 1+5734 I SlA 2+U114 EL 4821 51� EL 4821 51 4820 _____, STA 0+00 00 _ EL 4802 67 4810 4800 3 STA 1+00 91 EL 4802 891 sIA 2+1.1 ii 4830 EL 4818 77 STA 2+57 85 4EL 4814820 \_STA 2+28191 -- EL 4818 29 4790 0+00 0+50 4840 4830 4820 4810 4800 4790 4780o 4850 4840 4830 4820 4810 4800 4790o J IBestway,2131vogIldravnngslSHEETSIdrms vogl dwg 2/4/2020 12 18 03 PM 1+00 OSECTION E - WEST MINE 1+50 2+00 STA EL 1+40 02 4822 67 r TA 1+67 67 L 4825 15 — STA 1+2630 EL 4822 90 STA2+1652 EL 4824 84 ---------_ \ STA 0+00 00 TEL 4809 43 STA 0+994 4809 49 ISTA _TEL _ FENCE — 1+51 37 -- PERM EL 482399 BNDRY/PROP T LINE STA 1+56 45 — EL 4824 34 0+50 1+00 OSECTION F SOUTH MINE 1+50 2+00 4840' 4830 4820 4810 4800 0 1a 20 (OCHE In Dar( 1 _ STA 1+50 58 EL 4827 93_ - EDGE OF STA 1+82 GRAVEL ROAD 71EDGE OF 31 STA 2+OB I GRAVE 31 STA, 1+45 44 EL 4829 6S� EL 4829 STA 1+40 EL 4828 54 67 - - - ---- 25 601 -- - CR24 75 EL_482949- STA 1133 52 EL 4828 667",...„ STA 0+00 0O - - 9813 OS STA 1+56 97-rEL EL 4830 47 _WATER UNE STA EL 0+72 00 4813 00 STA 1+00 88 EL 4812 35_ r STA 1+88 33 EL 14829 39 1-� - r - -- - FENCE STA 1862 OS_ EL 4828 62 --OVERHEATTELECTRIC- -� PERMIT BNDRY/PROP LINE STA 147621 STA 1+63 EL 4827 1 80 EL 4829 STA I+73 EL 4829 23 19 �J9 _ 99 -- STA 0+67 EL 4826 82 52 -STA 1+70 47 EL 4827 02 _ I 0+50 1+00 OSECTION G - SOUTH MINE 1+50 2+00 4850 ROAD 4840 4830 4820 4810 no 20 ( MILL 0( PW ) 4810 4800 4790 2+50 2+58 0 10 ia (SCHE A RIM ) A to CIVIL RES'DURCES, LLC 323 5th STREET P 0 Box 680 FREDERICK CO 80530 303 833 1416 WWW W CIVILRESOURCES COM BESTWAY CONCRETE & AGGREGATE 301 CENTENNIAL DR. MILLIKEN CO 80543 970 587 7277 CONTACT MARK JOHNSON VOGL GRAVEL MINE GRAVEL MINE AMENDMENT WELD COUNTY COLORADO REVISIONS NO DESCRIPTION DATE DESIGNED BY ARR DRAWN BY ARE_ CHECKED BY ARK JOB NO 213 001 38 DWG NAME DBMS VOGL DWG DATE ren04.20m SCAT F AS NOTED AS NOTED DRMS-VOGL - XSTABL SECTIONS (2) SHEET FIG. 4 SB-1 SB 2 58-3(NOT DRILLED) SB-4 58-5 SB-6 58-7 SB-8 SB-9 SB 10 — `v� 0 ---- 23 /,: 12---- 11 — 45 • 20 20 52 19 16 0 `� — 'i�-- 'ZfnY „ - r`..' " .,b,'-"' CIVIL RES7URCES :`=fir;: •'2 — '' ' 32 28 7 `"'�'•. 6 ., ,•.;, 14 9 9 ''.5_c'.� 50 - 21 1-16 20 .: Q r 333 5th STREET _. �- ,' s% •:•:-.•:',,4 ? — P.O.Box 680 - 1-16-20 - 1-14 20 °,' 1-14-20 "'' _ FREDERICK,CO 80530 1-15-20 � - •£_ > �'.-�. .. _ 303.833.1416 — x---8 SO a 41 35 1-15-20 `14 1-15-20 7 1-15-20 8 '.^,:.'Y 30 '� 7 - WWW.CIVILRESOURCES.COM .. ' .r . .. i'. C' - '',C' ' .. 65 50/4" ,::3'•.-20 -- 49 --Q:,-20 I i..- 20 44 — w _; E 71 0 -- x *t 56 ? C'?' v� -�'� � — p — z A. •p P� �I .. v; — BESTWAY CONCRETE&AGGREGATE " ' 64 4#: :'. 50/5„ 20 -- - x' 50/5,..-... na a 50/6' .-__..__ ,.,, '. 64 -Z` 90 �, -- 20 301 CENTENNIAL DR * .j�+-,' I, — MILLIKEN, CO 80543 "tv' 50/5" j` ) -50/5" - 970-587-7277 -. ", ,' r _ CONTACT:MARK JOHNSON - t 50/5" 50/5" t .t-50/5" 50/4" -- 4,45A"lt50/6" 4-50/3„ 30 50/2„ - 30 I- O - z o - H ® o w z Z J - _ o J w0 - w Z U 40 —40 > Q W Z Z I-I J O O• Ill U • g O REVISIONS NO DESCRIPTION DATE 1 NOTES: D- v 1. EXPLORATORY BORINGS AND WATER LEVEL 65 MONITORING WELLS WERE DRILLED AT AND DATE BORE LOG LEGEND: LABORATORY TESTING: 10-16-19= THE APPROXIMATE LOCATION SHOWN ON MEASURED o MC=MOISTURE CONTENT,% THE SITE PLAN. SAND: " FILL: ' 3 -200=%PASSING THE#200 SIEVE A > • LOOSE TO MEDIUM DENSE,LOCALLY DENSE,SCATTERED SMALL LL=LIQUID LIMIT,% 2. EXPLORATORY BORINGS WERE DRILLED 16 SAND,LOOSE TO DENSE,CLAYEY,LOCALLY GRAVELLY, JANUARY 13 THROUGH JANUARY 17,2020. ,30� MOIST TO WET,GREY,BROWN. "N,1; GRAVEL,LOCALLY GRAVELLY,LOCAL COBBLES,SLIGHTLY MOIST PI=PLASTICITY INDEX,% _ -- TO WET,TAN,GREY,WELL GRADED. GNP=GRANULAR NON-PLASTIC INTERVAL OF BULK DESIGNED BY: _ DATE:10/23/19 w3. APPROXIMATEA DATRANSITIONS MAY BE co $ DISTURBED SAMPLE 0 DRAWN BY: .KR__ SG4LEA5 NOTED O I7 CLAY: _L o CLAYSTONE: GRADUAL. 5 NR INDICATES CHECKED BY: BLH AS NOTED MEDIUM STIFF,SANDY TO VERY SANDY LOCALLY GRADING TO NO RECOVERY. JOB NO.: 302.001.01 0° CLAYEY SAND,SCATTERED GRAVEL,ORGANIC,DRY TO VERY HARD TO HARD(SOILS),VERY LOW STRENGTH 4.GROUNDWATER LEVELS WERE MEASURED DWG NAM!;'ALL VOGL BORELOGS.DWG ' SLIGHTLY MOIST,DARK BROWN,LOCAL GYPSUM. BEDROCK,SANDY,MODERATE TO HIGHLY PLASTIC,MOIST, AT THE TIME OF DRILLING AND WILL ? i - - SLIGHTLY WEATHERED TO FRESH. FLUCTUATE SEASONALLY AND WITH PRECIPITATION AND LOCAL IRRIGATION. S § SAND: SANDSTONE: 5. BORINGS AND MONITORING WELLS WERE WELL SCREEN - EXPLORATORY c i_i g i... LOOSE TO DENSE;CLAYEY LOCALLY GRADING TO SANDY CLAY, ,:: DRILLED WITH A TRUCK-MOUNTED INTERVAL - i= g `�.l� LOCALLY SILTY,SCATTERED GRAVEL,POORLY GRADED,MOIST, VERY HARD(SOILS),LOW STRENGTH BEDROCK LOCALLY, CME-55 DRILL.RIG POWERING 8-INCH - LOGS 1 co—„ o T TAN,BROWN,BLACK. I SILTY WITH LOCAL CLAYSTONE LAMINATIONS,FINE TO O.D.DIAMETER HOLLOW STEM AUGER. rn MEDIUM GRAINED,FRESH.BROWN O VERY MOIST,SLIGHTLY PACKER TEST INTERVALS WERE CORED T .m ti WEATHERED TO TO OLIVE. USING AN NQ CORE BARREL. K=1x10-5 PACKER SAND: 1 TEST INTERVAL AND r 6. TEST PITS WERE EXCAVATED WITH ARESULTS OR"NO S j-. LOOSE TO MEDIUM DENSE,LOCALLY VERY LOOSE,SILTY,SCATTERED NX CORE INTERVAL SHEET: GRAVEL,DRY TO MOIST,LIGHT BROWN TO BROWN. TRACK HOE ON JANUARY 13 THROUGH REC=%RECOVERED TAKE"IF INDICATED. N JANUARY 14,2020. RQD=%ROCK QUALITYI FIG. 5 - DESIGNATION m SB-12 SB 13 SB 14 SB 15 SB-16 SB 17 SB 19 "_�� 0 - 7 12 - 24 12 SB 20 SB 21 � . •� / -2U0-30.1 17 • 16 6 17 y 27 0 _ l $$, ``r - -; CIVIL RES'KURCES 21 11 23 ^� 16 .:;',,,.-.1.:::' 24 25 12 14 \ 9 - 41-14 20 - 1 14 20 1-14-20 '' ';. - 323 5th STREET X;'.,;.• 3 P.O,Box 680 1-14 20 FREDERICK,CO 80530 _ 1-13-20 ,,,",:::.:;k.,,;.; 1-13-20 1-13 20 1-13-20 b E - _ s WWW.CIVILRESOURCES.COM 18 ' 10 ' 19 ,y. 7 1-13-20 X., 19 48 8 48 4 — 10 — '2 5 .., - '"1 '- 17 , 7 25,50/6" 45 28 " •t"_ 68 38 70 42 F 21 _7 .y - y. BESTWAY CONCRETE&AGGREGATE a# 1 50/4 s ,::,.a<-- ,----.. ,::.: ."S ' •,� __- � 301 CENTENNIAL DR Mt' 74 .�P:. MILLIKEN,CO 80543 _. .', #do • f. 970-587-7277 26, 50/4" 50/4" Y t 50/4" —50/6" st , ,> CONTACT:MARK JOHNSON 50/5' -i. Y' — a- 50/4" ,. 50/6" _ fxl F 50/2" ,r r'" SD/4" 82 — — 50/5" 30 . -- .. - - 50/4" 30 — IH O _ - z o - - z 2 D2 H a O w0 0 Di Z U 40 - _ - 40 Q W CL z z 0 O w U 0 — ISr.-B 22 36 SB3 S9B 24 23 SB-25 23 — 0 O �` CZ I-U - - �t , C7 — :i ., 5_.:x. -$.--$1 :;': - 26 ' 9 _ • 10 _ 12 1-15-20 ,r 1-15 20 %:._„ F,•-- _E'. 35 r'- :. 6 1-16-20 G' 9 1-17-20_ :"..."-w.'''.___2 10 _ •,-.:•,.- - {-y _- - - - --10 REVISIONS Ya r• - :.::... Si..'.. , i.:,'•:,:.'5 ,1�' - NO DESCRIPTION DATE E ) „y, J — 44 ,:, 39 `;';t.,. 57 .:, 58 F "Y,.: 4 W — . -,4- G - 7 50/5" 66 �,7.'.. -,,.....-• — 20 ;:,.} 20 n '' •n — 3. . 50/4" 74 59 v N .— � .� 5516.. — T. u� - - - ----- 30 DESIGNED BY: DL DATE:10/23/19 CO - DRAWN BY, ER_ SCALERS NOTED CHECK BLHo — FOR LEGEND AND NOTES, SEE SHEET 11. JOB ND.: 001 AS NOTED m DWG NO.: 302.001.01 JO — - DWG NAMEIHII VOGL BORELOGS.DWG N 0 a Ll a g 40 — EXPLORATORY —40 LOGS 2 SHEET: o FIG. 6 m C./../ CIVIL IZES`3URCES TP-1 TP-2 TP-3 TP-4 TP-5 TP-6 TP-7 TP-8 TP-9 TP-10 TP-11 TP-12 TP-13 TP-14 TP-15 0 I ��I � ...{ L �/ '_., "5i- ••,::- •N',-\ .: 5 I F- 0 323 5th STREET 4 S., , J f' h.;,• r) K '' '-F'. - P.O.Box 680 , 5.y.:<5.. ? A FREDERICK,CO 80530 L. •_, - -�•.-.-, �' { - �.:: ,YI j 303.833.1416 WWW.CIVILRESOURCES.COM W.CIVILRESOU SOURC RCES.COM 10 - 10 w — BESTWAY CONCRETE&AGGREGATE o — w 301 CENTENNIAL DR. MILLIKEN,CO 80543 _ 970-58]-72]] CONTACT:MARK JOHNSON 20 • 20 TP-16 TP-17 TP-18 TP-19 TP-20 TP-21 TP-22 TP-23 TP-24 TP-25 TP-26 TP-27 TP-28 TP-29 TP-30 • nd L �� - r LLJ _ w - zI-I ® O 10 — Z _ —10 . w 0 t — - w U g - - w > Q V w o — ~ z z J O _ C.9— C_— -I U 20 ..__. .. ..-. _..,. .. _ .. ....-. ..... ._., — O >a>20 Lli REVISIONS NOI DESCRIPTION DATE I M O_ O oo h• ' o cN co 3 O O m DESIGNED BY: GL DATE:10 23/19 O DRAWN BY: El0_ SCALE_AS NOTED W > CHECKED BY: BLH AS NOTED CL m a JOB NO.: 302.001.01 DWG NAME:_ALL VOGL BORELOGS.DWG O FOR LEGEND AND NOTES, SEE SHEET 11. L. L. o EXPLORATORY co s. o LOGS 4 ,, SHEET: tu FIG. 7 la m CEL1 DC) 1 -22-20 32:51 Vo I Cell 1 Sec D Seismic 4860 4830 co 4100 4770 1 4740 4710 10 ost critical surfaces, S OP FO 1.521 0 30 60 90 120 150 180 210 240 X—AXIS (feet) PROFIL 32:51 ft Vogl Cell 1 Sec D Seismic 15 11 .0 4809.0 98.9 4808.4 5 98.9 4808.4 125.8 4821.0 4 125.8 4821.0 131.8 4824.8 1 131.8 4824.8 151.3 4825.6 1 151.3 4825.6 162.3 4825.8 1 162.3 4825.8 167.4 4822.0 1 167.4 4822.0 182.8 4822.0 1 182.8 4822.0 185.9 4822.7 1 185.9 4822.7 195.7 4823.3 1 195.7 4823.3 211.2 4827.4 1 211.2 4827.4 233.0 4824.1 1 125.8 4821.8 233.0 4821.8 4 98.9 4808.4 233.0 4808.0 5 .0 4808.0 98.9 4807.4 6 98.9 4807.4 233.0 4807.4 6 FILE: CEL1DQ 1-22-20 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4810.0 99.6 4810.5 120.0 4813.0 150.0 4815.0 220.0 4819.0 EQUAKE .096 CIRCL2 20 80.0 4800.0 .000 20 105.0 7.0 162.0 186.0 -5.0 -45.0 XSTABL File: CEL1DQ 1-22-20 32:51 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 1 Sec D Seismic SEGMENT BOUNDARY COORDINATES 11 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 .0 4809.0 98.9 4808.4 98.9 4808.4 125.8 4821.0 125.8 4821.0 131.8 4824.8 131.8 4824.8 151.3 4825.6 151.3 4825.6 162.3 4825.8 162.3 4825.8 167.4 4822.0 167.4 4822.0 182.8 4822.0 182.8 4822.0 185.9 4822.7 185.9 4822.7 195.7 4823.3 1 1 10 195.7 4823.3 211.2 4827.4 1 1 11 211.2 4827.4 233.0 4824.1 4 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 125.8 4821.8 233.0 4821.8 4 2 98.9 4808.4 233.0 4808.0 5 3 .0 4808.0 98.9 4807.4 6 4 98.9 4807.4 233.0 4807.4 6 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 2 1 Water surface(s) have been specified Unit weight of water = 62.40 (pcf) Water Surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4810.00 2 99.60 4810.50 3 120.00 4813.00 4 150.00 4815.00 5 220.00 4819.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 80.0 ft and x = 105.0 ft Each surface terminates between x = 162.0 ft and x = 186.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4800.0 ft 3 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by : Lower angular limit := -45.0 degrees Upper angular limit :_ -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 14 coordinate points Point x -surf y -surf No. (ft) (ft) 1 81.32 4808.51 2 87.63 4805.49 3 94.24 4803.18 4 101.06 4801.60 5 108.01 4800.78 6 115.01 4800.73 7 121.98 4801.44 8 128.82 4802.91 9 135.46 4805.11- 10 141.83 4808.03 11 147.83 4811.63 12 153.41 4815.86 13 158.49 4820.68 14 162.62 4825.56 **** Simplified BISHOP FOS = 1.521 **** 4 The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 1 Sec D Seismic FOS Terminal Resisting (BISHOP) coord Moment (ft) (ft -lb) 1. 1.521 162.62 3.407E+06 2. 1 522 162.57 3.071E+06 3. 1 530 162.59 3.223E+06 4. 1 532 163.26 3.617E+06 5. 1 534 162.36 3.276E+06 6. 1.535 165.41 2.338E+06 7. 1.535 162.44 3.103E+06 8. 1.535 163.27 3.450E+06 9. 1.538 163.54 3.723E+06 10. 1.539 163.28 3.553E+06 Circle Center x-coord y-coord (ft) (ft) 112.01 4864.60 105.76 4906.73 113.48 4862.38 109.75 4879.11 113.33 4859.64 121.34 4876.09 114.27 4860.38 113.13 4864.82 111.34 4870.06 112.65 4864.51 Radius Initial x-coord x - (ft) (ft) 63.94 99.10 61.45 76.12 59.65 68.73 59.45 64.05 69.06 64.17 81.32 93.16 83.95 81.32 82.63 102.37 85.26 82.63 80.00 81.32 * * * END OF FILE * * * 5 CEL1 DS 1-22-20 32:56 4860 4830 4800 " 4770 >-- 4740 4710 Vogl Cell 1 Sec D Static 10 most critical surfaces, MINIMUM BISHOP FOS = 2.126 0 30 60 90 120 150 X—AXIS (feet) 180 I ' f 210 240 PROFIL FILE: CEL1DS 1-22-20 32:56 ft Vogl Cell 1 Sec D Static 15 11 .0 4809.0 98.9 4808.4 5 98.9 4808.4 125.8 4821.0 4 125.8 4821.0 131.8 4824.8 1 131.8 4824.8 151.3 4825.6 1 151.3 4825.6 162.3 4825.8 1 162.3 4825.8 167.4 4822.0 1 167.4 4822.0 182.8 4822.0 1 182.8 4822.0 185.9 4822.7 1 185.9 4822.7 195.7 4823.3 1 195.7 4823.3 211.2 4827.4 1 211.2 4827.4 233.0 4824.1 1 125.8 4821.8 233.0 4821.8 4 98.9 4808.4 233.0 4808.0 5 .0 4808.0 98.9 4807.4 6 98.9 4807.4 233.0 4807.4 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4810.0 99.6 4810.5 120.0 4813.0 150.0 4815.0 220.0 4819.0 CIRCL2 20 20 80.0 105.0 4800.0 7.0 162.0 186.0 -5.0 -45.0 1 XSTABL File: CEL1DS 1-22-20 32:56 ****************************************** * XSTABL * * * Slope Stability Analysis * using the * Method of Slices * * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * * All Rights Reserved * * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 1 Sec D Static SEGMENT BOUNDARY COORDINATES 11 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 1 1 1 1 1 2 3 4 5 6 7 8 9 .0 4809.0 98.9 4808.4 98.9 4808.4 125.8 4821.0 125.8 4821.0 131.8 4824.8 131.8 4824.8 151.3 4825.6 151.3 4825.6 162.3 4825.8 162.3 4825.8 167.4 4822.0 167.4 4822.0 182.8 4822.0 182.8 4822.0 185.9 4822.7 185.9 4822.7 195.7 4823.3 1 1 10 195.7 4823.3 211.2 4827.4 1 1 11 211.2 4827.4 233.0 4824.1 4 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 125.8 4821.8 233.0 4821.8 4 2 98.9 4808.4 233.0 4808.0 5 3 .0 4808.0 98.9 4807.4 6 4 98.9 4807.4 233.0 4807.4 6 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 2 1 Water surface(s) have been specified Unit weight of water = 62.40 (pcf) Water Surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4810.00 2 99.60 4810.50 3 120.00 4813.00 4 150.00 4815.00 5 220.00 4819.00 A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 80.0 ft and x = 105.0 ft Each surface terminates between x = 162.0 ft and x = 186.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4800.0 ft 7.0 ft line segments define each trial failure surface. 3 ANGULAR RESTRICTIONS inclined surfaces The first segment of each failure surface will be within the angular range defined by : Lower angular limit := -45.0 degrees Upper angular limit :_ -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 12 coordinate points Point x -surf y -surf No (ft) (ft) 1 93.16 4808.43 2 100.13 4807.79 3 107.13 4807.64 4 114.12 4807.98 5 121.07 4808.82 6 127.94 4810.14 7 134.70 4811.95 8 141.32 4814.23 9 147.76 4816.97 10 154.00 4820.16 11 159.99 4823.78 12 162.57 4825.60 **** Simplified BISHOP FOS = 2.126 **** The following is a summary of the TEN most critical Problem Description : Vogl Cell 1 Sec D Static FOS Circle Center Radius Initial 4 Terminal Resisting (BISHOP) coord Moment (ft) (ft -lb) 1. 2.126 162.57 3.182E+06 2. 2.136 162.62 3.505E+06 3. 2.142 162.59 3.315E+06 4. 2.142 162.44 3.192E+06 5. 2.147 162.36 3.368E+06 6. 2.154 162.03 3.140E+06 7. 2.160 163.26 3.726E+06 8. 2.160 162.08 3.053E+06 9. 2.160 163.27 3.548E+06 10. 2.160 162.83 3.269E+06 x-coord y-coord x-coord x - (ft) (ft) 105.76 4906.73 112.01 4864.60 113.48 4862.38 114.27 4860.38 113.33 4859.64 115.00 4855.80 109.75 4879.11 115.78 4854.67 113.13 4864.82 114.76 4859.93 (ft) (ft) 99.10 93.16 63.94 81.32 61.45 83.95 59.45 85.26 59.65 82.63 55.89 85.26 76.12 81.32 54.65 86.58 64.05 82.63 59.30 85.26 * * * END OF FILE * * * 5 CEL1 FQ 1-22-20 33:01 4860 4830 • 4800 43) '4-- (1 < 4770 4740 4710 Vogl Cell 1 Sec F Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.497 w1 0 30 60 90 120 150 180 210 240 X --AXIS (feet) PROFIL 33:01 ft FILE: CEL1FQ 1-22-20 Vogl Cell 1 Sec F Seismic 10 6 .0 4809.0 99.5 4809.5 5 99.5 4809.5 120.3 4819.9 4 120.3 4819.9 126.3 4822.9 1 126.3 4822.9 140.0 4822.7 1 140.0 4822.7 167.7 4825.1 1 167.7 4825.1 220.0 4824.8 1 120.3 4819.9 220.0 4819.9 4 99.5 4809.5 220.0 4809.0 5 .0 4809.0 99.5 4808.5 6 99.5 4808.5 220.0 4808.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4810.0 99.6 4810.5 120.0 4813.0 150.0 4815.0 220.0 4819.0 EQUAKE .096 .000 CIRCL2 20 20 80.0 105.0 4800.0 7.0 150.0 157.0 -5.0 -45.0 1 XSTABL File: CEL1FQ 1-22-20 33:01 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 1 Sec F Seismic SEGMENT BOUNDARY COORDINATES 6 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 1 1 1 .0 4809.0 99.5 4809.5 2 99.5 4809.5 120.3 4819.9 3 120.3 4819.9 126.3 4822.9 4 126.3 4822.9 140.0 4822.7 5 140.0 4822.7 167.7 4825.1 6 167.7 4825.1 220.0 4824.8 4 SUBSURFACE boundary segments Segment x -left y -left x -right y -right 1 Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 4 5 6 6 1 2 3 4 120.3 4819.9 220.0 4819.9 99.5 4809.5 220.0 4809.0 .0 4809.0 99.5 4808.5 99.5 4808.5 220.0 4808.0 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** 2 Point x -water y -water No. (ft) (ft) 1 .00 4810.00 2 99.60 4810.50 3 120.00 4813.00 4 150.00 4815.00 5 220.00 4819.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 80.0 ft and x = 105.0 ft Each surface terminates between x = 150.0 ft and x = 157.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4800.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS 3 inclined surfaces The first segment of each failure surface will be within the angular range defined by : Lower angular limit :_ -45.0 degrees Upper angular limit :_ -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 10 coordinate points Point x -surf y -surf No. (ft) (ft) 1 95.79 4809.48 2 102.75 4808.75 3 109.75 4808.66 4 116.73 4809.24 5 123.62 4810.47 6 130.36 4812.34 7 136.90 4814.83 8 143.18 4817.93 9 149.14 4821.60 10 151.99 4823.74 **** Simplified BISHOP FOS = 1.497 **** The following is a summary of the TEN most critical Problem Description : Vogl Cell 1 Sec F Seismic FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x- coord Moment (ft) (ft) (ft) (ft) 4 (ft) (ft -lb) 1. 1.497 151.99 1.559E+06 2. 1.512 153.53 1.676E+06 3. 1.513 150.29 1.421E+06 4. 1.553 152.34 1.777E+06 5. 1.558 155.26 2.052E+06 6. 1.565 150.03 1.859E+06 7. 1.568 150.64 1.909E+06 8. 1.569 150.44 1.957E+06 9. 1.576 151.51 1.910E+06 10. 1.577 151.64 1.924E+06 107.11 4883.22 107.55 4885.62 107.08 4879.34 105.20 4888.23 104.85 4898.56 106.88 4864.06 107.34 4863.69 106.66 4864.09 108.98 4860.58 101.73 4897.53 74.60 95.79 77.04 95.79 70.56 97.11 79.89 91.84 90.04 91.84 59.26 83.95 59.09 83.95 59.72 82.63 56.39 85.26 89.17 87.89 * * * END OF FILE * * * 5 CEL1FS 1-22-20 33:05 4860 4830 4740 - 4710 Vogl Cell 1 Sec F Static 10 most critical surfaces, MINIMUM BISHOP FOS = 2.112 0 30 60 90 120 150 180 210 240 X-AXIS (feet) PROFIL FILE: CEL1FS 1-22-20 33:05 ft Vogl Cell 1 Sec F Static 10 6 .0 4809.0 99.5 4809.5 5 99.5 4809.5 120.3 4819.9 4 120.3 4819.9 126.3 4822.9 1 126.3 4822.9 140.0 4822.7 1 140.0 4822.7 167.7 4825.1 1 167.7 4825.1 220.0 4824.8 1 120.3 4819.9 220.0 4819.9 4 99.5 4809.5 220.0 4809.0 5 .0 4809.0 99.5 4808.5 6 99.5 4808.5 220.0 4808.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4810.0 99.6 4810.5 120.0 4813.0 150.0 4815.0 220.0 4819.0 CIRCL2 20 20 80.0 105.0 4800.0 7.0 150.0 157.0 -5.0 -45.0 1 XSTABL File: CEL1FS 1-22-20 33:05 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 -- 1952 ****************************************** Problem Description : Vogl Cell 1 Sec F Static SEGMENT BOUNDARY COORDINATES 6 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 1 1 1 .0 4809.0 99.5 4809.5 2 99.5 4809.5 120.3 4819.9 3 120.3 4819.9 126.3 4822.9 4 126.3 4822.9 140.0 4822.7 5 140.0 4822.7 167.7 4825.1 6 167.7 4825.1 220.0 4824.8 4 SUBSURFACE boundary segments Segment x -left y -left x -right y -right 1 Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 4 5 6 6 1 2 3 4 120.3 4819.9 220.0 4819.9 99.5 4809.5 220.0 4809.0 .0 4809.0 99.5 4808.5 99.5 4808.5 220.0 4808.0 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** 2 Point x -water y -water No. (ft) (ft) 1 .00 4810.00 2 99.60 4810.50 3 120.00 4813.00 4 150.00 4815.00 5 220.00 4819.00 A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x and x 80.0 ft 105.0 ft Each surface terminates between x = 150.0 ft and x = 157.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4800.0 ft surface. inclined 7.0 ft line segments define each trial failure ANGULAR RESTRICTIONS The first segment of each failure surface will be within the angular range defined by Lower angular limit := -45.0 degrees Upper angular limit := -5.0 degrees 3 Factors of safety have been calculated by the : surfaces * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 10 coordinate points Point x -surf y -surf No. (ft) (ft) 1 95.79 4809.48 2 102.75 4808.75 3 109.75 4808.66 4 116.73 4809.24 5 123.62 4810.47 6 130.36 4812.34 7 136.90 4814.83 8 143.18 4817.93 9 149.14 4821.60 10 151.99 4823.74 **** Simplified BISHOP FOS = 2.112 **** The following is a summary of the TEN most critical Problem Description : Vogl Cell 1 Sec F Static 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. 2.112 107.11 4883.22 74.60 95.79 151.99 1.617E+06 2. 2.114 107.08 4879.34 70.56 97.11 150.29 1.473E+06 3. 2.147 107.55 4885.62 77.04 95.79 153.53 1.737E+06 4 152.34 150.03 150.64 150.44 151.51 150.21 151.64 4. 2.185 1.837E+06 5. 2.189 1.911E+06 6. 2.200 1.962E+06 7. 2.206 2.011E+06 8. 2.213 1.962E+06 9. 2.214 1.785E+06 10. 2.214 1.989E+06 105.20 4888.23 106.88 4864.06 107.34 4863.69 106.66 4864.09 108.98 4860.58 104.85 4881.02 101.73 4897.53 79.89 91.84 59.26 83.95 59.09 83.95 59.72 82.63 56.39 85.26 73.26 89.21 89.17 87.89 * * * END OF FILE * * * 5 CEL1 GQ 1-22-20 33:09 Vogl Cell 1 Sec G Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.252 0 30 60 90 120 150 X—AXIS (feet) 180 210 240 PROFIL 33:09 ft Vogl Cell 1 Sec G Seismic 16 11 .0 4813.0 72.0 4813.0 100.0 4812.0 127.5 4825.7 133.5 4828.7 140.5 4828.7 145.4 4829.7 150.5 4827.9 157.0 4830.5 167.8 4826.5 173.8 4829.2 127.5 4825.7 100.0 4812.0 .0 4812.0 72.0 4812.0 100.0 4811.0 SOIL 6 114.0 126.0 118.0 128.0 112.0 115.0 119.0 129.0 110.0 133.0 126.0 135.0 WATER 1 62.40 5 .0 72.0 100:0 150.0 210.0 EQUAKE .096 CIRCL2 20 80.0 4800.0 72.0 100.0 127.5 133.5 140.5 145.4 150.5 157.0 167.8 173.8 210.0 210.0 210.0 72.0 100.0 210.0 50.0 29.00 70.0 30.00 .0 .00 .0 35.00 .0 15.00 100.0 28.00 4814.0 4814.0 4813.0 4815.0 4819.0 .000 20 105.0 7.0 FILE: CEL1GQ 1-22-20 4813.0 5 4812.0 5 4825.7 4 4828.7 1 4828.7 1 4829.7 1 4827.9 1 4830.5 1 4826.5 1 4829.2 1 4829.1 1 4827.5 4 4812.0 5 4812.0 6 4811.0 6 4811.0 6 .000 .000 .000 .000 .000 .000 147.0 157.0 -5.0 -45.0 .0 .0 .0 0 .0 .0 1 1 1 1 1 1 XSTABL File: CEL1GQ 1-22-20 33:09 ****************************************** * XSTABL * * * Slope Stability Analysis * using the * Method of Slices * * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * * All Rights Reserved * * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 1 Sec G Seismic SEGMENT BOUNDARY COORDINATES 11 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 5 4 1 1 1 1 1 1 .0 4813.0 72.0 4813.0 2 72.0 4813.0 100.0 4812.0 3 100.0 4812.0 127.5 4825.7 4 127.5 4825.7 133.5 4828.7 5 133.5 4828.7 140.5 4828.7 6 140.5 4828.7 145.4 4829.7 7 145.4 4829.7 150.5 4827.9 8 150.5 4827.9 157.0 4830.5 9 157.0 4830.5 167.8 4826.5 1 10 167.8 4826.5 173.8 4829.2 11 173.8 4829.2 210.0 4829.1 5 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 127.5 4825.7 210.0 4827.5 4 2 100.0 4812.0 210.0 4812.0 5 3 .0 4812.0 72.0 4812.0 6 4 72.0 4812.0 100.0 4811.0 6 5 100.0 4811.0 210.0 4811.0 6 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 2 1 Water surface(s) have been specified Unit weight of water = 62.40 (pcf) Water Surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4814.00 2 72.00 4814.00 3 100.00 4813.00 4 150.00 4815.00 5 210.00 4819.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 80.0 ft and x = 105.0 ft Each surface terminates between x = 147.0 ft and x = 157.0 ft Unless further limitations were imposed, the minimum 3 elevation at which a surface extends is y = 4800.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by : Lower angular limit :_ -45.0 degrees Upper angular limit := -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 9 coordinate points Point x -surf y -surf No. (ft) (ft) 1 101.05 4812.52 2 107.94 4811.27 3 114.94 4811.13 4 121.87 4812.12 5 128.55 4814.20 6 134.82 4817.32 7 140.50 4821.40 8 145.46 4826.34 9 147.39 4829.00 **** Simplified BISHOP FOS = 1.252 **** 4 The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 1 Sec G Seismic FOS Terminal Resisting (BISHOP) coord Moment (ft) (ft -lb) 1. 1.252 147.39 9.172E+05 2. 1.310 147.88 8.724E+05 3. 1.358 149.36 1.315E+06 4. 1.366 147.34 1.474E+06 5. 1.374 148.07 1.274E+06 6. 1.384 147.13 1.383E+06 7. 1.389 148.42 1.495E+06 8. 1.398 155.64 1.714E+06 9. 1.401 148.32 1.393E+06 10. 1.401 150.44 1.624E+06 Circle Center x-coord y-coord (ft) (ft) 112.29 4854.69 115.01 4850.80 108.88 4868.15 99.06 4885.06 108.17 4864.02 99.98 4883.21 102.21 4882.03 109.93 4875.82 107.44 4865.48 105.95 4879.20 Radius Initial x-coord x - (ft) (ft) 43.64 39.69 56.88 74.04 53.32 71.80 70.66 64.79 55.12 67.98 101.05 102.37 99.74 83.95 95.79 87.89 90.53 98.42 93.16 94.47 * * * END OF FILE * * * 5 CEL1GS 1-22-20 33:14 4890 4860 4830 9- ?C < 4800 Y 4770 4740 Vogl Cell 1 Sec G Static 10 most critical surfaces, MINIMUM BISHOP F0S = 1.640 _ w 1 0 30 60 90 120 150 180 210 240 X --AXIS (feet) PROFIL 33:14 ft FILE: CEL1GS 1-22-20 Vogl Cell 1 Sec G Static 16 11 .0 4813.0 72.0 4813.0 5 72.0 4813.0 100.0 4812.0 5 100.0 4812.0 127.5 4825.7 4 127.5 4825.7 133.5 4828.7 1 133.5 4828.7 140.5 4828.7 1 140.5 4828.7 145.4 4829.7 1 145.4 4829.7 150.5 4827.9 1 150.5 4827.9 157.0 4830.5 1 157.0 4830.5 167.8 4826.5 1 167.8 4826.5 173.8 4829.2 1 173.8 4829.2 210.0 4829.1 1 127.5 4825.7 210.0 4827.5 4 100.0 4812.0 210.0 4812.0 5 .0 4812.0 72.0 4812.0 6 72.0 4812.0 100.0 4811.0 6 100.0 4811.0 210.0 4811.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4814.0 72.0 4814.0 100.0 4813.0 150.0 4815.0 210.0 4819.0 CIRCL2 20 80.0 4800.0 20 105.0 7.0 147.0 157.0 -5.0 -45.0 1 XSTABL File: CEL1GS 1-22-20 33:14 ****************************************** * XSTABL * * * Slope Stability Analysis * using the * Method of Slices * * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * * All Rights Reserved * * * Ver. 5.206 96 1952 * ****************************************** Problem Description : Vogl Cell 1 Sec G Static SEGMENT BOUNDARY COORDINATES 11 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 5 4 1 1 1 1 1 1 2 3 4 5 6 7 8 9 .0 4813.0 72.0 4813.0 72.0 4813.0 100.0 4812.0 100.0 4812.0 127.5 4825.7 127.5 4825.7 133.5 4828.7 133.5 4828.7 140.5 4828.7 140.5 4828.7 145.4 4829.7 145.4 4829.7 150.5 4827.9 150.5 4827.9 157.0 4830.5 157.0 4830.5 167.8 4826.5 1 1 10 167.8 4826.5 173.8 4829.2 1 1 11 173.8 4829.2 210.0 4829.1 5 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 127.5 4825.7 210.0 4827.5 4 2 100.0 4812.0 210.0 4812.0 5 3 .0 4812.0 72.0 4812.0 6 4 72.0 4812.0 100.0 4811.0 6 5 100.0 4811.0 210.0 4811.0 6 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 2 1 Water surface(s) have been specified Unit weight of water = 62.40 (pcf) Water Surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4814.00 2 72.00 4814.00 3 100.00 4813.00 4 150.00 4815.00 5 210.00 4819.00 A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 80.0 ft and x = 105.0 ft Each surface terminates between x = 147.0 ft and x = 157.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4800.0 ft 7.0 ft line segments define each trial failure surface. 3 ANGULAR RESTRICTIONS inclined surfaces The first segment of each failure surface will be within the angular range defined by : Lower angular limit -45.0 degrees Upper angular limit :_ -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 9 coordinate points Point x -surf y -surf No. (ft) (ft) 1 101.05 4812.52 2 107.94 4811.27 3 114.94 4811.13 4 121.87 4812.12 5 128.55 4814.20 6 134.82 4817.32 7 140.50 4821.40 8 145.46 4826.34 9 147.39 4829.00 **** Simplified BISHOP FOS = 1.640 **** The following is a summary of the TEN most critical Problem Description : Vogl Cell 1 Sec G Static FOS Terminal Resisting Circle Center Radius Initial 4 (BISHOP) x-coord coord Moment (ft) (ft -lb) 1. 1.640 147.39 9.607E+05 2. 1.719 147.88 9.113E+05 3. 1.789 149.36 1.370E+06 4. 1.790 148.07 1.324E+06 5. 1.792 147.34 1.534E+06 6. 1.802 147.13 1.438E+06 7. 1.818 148.42 1.555E+06 8. 1.827 148.32 1.444E+06 9. 1.835 148.14 1.378E+06 10. 1.858 148.31 1.532E+06 (ft) y-coord x-coord x - (ft) (ft) (ft) 112.29 4854.69 115.01 4850.80 108.88 4868.15 108.17 4864.02 99.06 4885.06 99.98 4883.21 102.21 4882.03 107.44 4865.48 109.04 4860.63 103.07 4880.15 43.64 39.69 56.88 53.32 74.04 71.80 70.66 55.12 50.57 68.63 101.05 102.37 99.74 95.79 83.95 87.89 90.53 93.16 94.47 93.16 * * * END OF FILE * * * 5 CEL2AQ 1-22-20 16:45 4880 4840 4800 .i < 4760 .. 4720 4680 MENEMENE Vogl Cell 2A Sec B Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.737 1 0 40 80 120 160 200 240 280 320 X—AXIS (feet) PROFIL 16:45 ft FILE: CEL2AQ 1-22-20 Vogl Cell 2A Sec B Seismic 25 10 .0 4798.0 100.0 4798.0 5 100.0 4798.0 155.0 4816.0 4 155.0 4816.0 164.0 4819.0 1 164.0 4819.0 189.0 4819.0 1 189.0 4819.0 192.0 4819.0 3 192.0 4819.0 209.0 4819.0 1 209.0 4819.0 223.8 4822.8 1 223.8 4822.8 245.0 4823.5 1 245.0 4823.5 280.0 4824.0 1 280.0 4824.0 310.0 4825.0 1 189.0 4819.0 189.1 4816.0 1 192.0 4819.0 192.1 4816.0 3 155.0 4816.0 189.1 4816.0 4 192.1 4816.0 310.0 4816.0 4 189.1 4816.0 189.2 4798.0 4 192.1 4816.0 192.2 4798.0 3 100.0 4798.0 189.2 4798.0 5 192.2 4798.0 310.0 4798.0 5 189.2 4797.0 189.3 4797.0 5 192.2 4798.0 192.3 4797.0 3 .0 4797.0 189.3 4797.0 6 192.3 4797.0 310.0 4797.0 6 189.3 4797.0 189.4 4794.0 6 192.3 4797.0 192.4 4794.0 3 189.4 4794.0 192.4 4794.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 ,0 4799.0 99.0 4799.0 189.0 4802.0 191.0 4814.0 310.0 4815.0 EQUAKE .096 .000 CIRCL2 20 20 80.0 105.0 4780.0 7.0 208.0 224.0 -5.0 -45.0 1 XSTABL File: CEL2AQ 1-22-20 16:45 ****************************************** * XSTABL * * * Slope Stability Analysis * using the * Method of Slices * * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * * All Rights Reserved * * * Ver. 5.206 96 - 1952 ****************************************** Problem Description Vogl Cell 2A Sec B Seismic SEGMENT BOUNDARY COORDINATES 10 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 3 1 1 1 1 2 3 4 5 6 7 8 9 .0 4798.0 100.0 4798.0 100.0 4798.0 155.0 4816.0 155.0 4816.0 164.0 4819.0 164.0 4819.0 189.0 4819.0 189.0 4819.0 192.0 4819.0 192.0 4819.0 209.0 4819.0 209.0 4819.0 223.8 4822.8 223.8 4822.8 245.0 4823.5 245.0 4823.5 280.0 4824.0 1 1 10 280.0 4824.0 310.0 4825.0 1 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 189.0 4819.0 189.1 4816.0 1 2 192.0 4819.0 192.1 4816.0 3 3 155.0 4816.0 189.1 4816.0 4 4 192.1 4816.0 310.0 4816.0 4 5 189.1 4816.0 189.2 4798.0 4 6 192.1 4816.0 192.2 4798.0 3 7 100.0 4798.0 189.2 4798.0 5 8 192.2 4798.0 310.0 4798.0 5 9 189.2 4797.0 189.3 4797.0 5 10 192.2 4798.0 192.3 4797.0 3 11 .0 4797.0 189.3 4797.0 6 12 192.3 4797.0 310.0 4797.0 6 13 189.3 4797.0 189.4 4794.0 6 14 192.3 4797.0 192.4 4794.0 3 15 189.4 4794.0 192.4 4794.0 6 ISOTROPIC Soil Parameters 6 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure Water 2 Unit Moist Sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) No. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4799.00 2 99.00 4799.00 3 189.00 4802.00 4 191.00 4814.00 5 310.00 4815.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a random 3 technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = and x = 80.0 ft 105.0 ft Each surface terminates between x = 208.0 ft and x = 224.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4780.0 ft surface. inclined 7.0 ft line segments define each trial failure ANGULAR RESTRICTIONS The first segment of each failure surface will be within the angular range defined by : Lower angular limit :_ -45.0 degrees Upper angular limit := -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 23 coordinate points Point x -surf 4 y -surf No. (ft) (ft) 1 80.00 4798.00 2 86.37 4795.09 3 92.89 4792.55 4 99.55 4790.39 5 106.32 4788.62 6 113.18 4787.24 7 120.11 4786.27 8 127.09 4785.69 9 134.09 4785.52 10 141.08 4785.75 11 148.06 4786.39 12 154.98 4787.43 13 161.83 4788.87 14 168.59 4790.70 15 175.22 4792.92 16 181.72 4795.52 17 188.06 4798.48 18 194.22 4801.82 19 200.17 4805.50 20 205.90 4809.52 21 211.39 4813.86 22 216.62 4818.51 23 219.92 4821.80 **** Simplified BISHOP FOS = 1.737 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 2A Sec B Seismic 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. 1.737 133.56 4906.64 121.12 80.00 219.92 1.562E+07 2. 1.739 131.03 4894.60 108.64 81.32 209.12 1.286E+07 3. 1.741 134.32 4900.78 115.64 81.32 218.43 1.493E+07 4. 1.742 131.98 4899.97 113.86 81.32 5 213.06 215.39 223.91 214.26 208.19 221.20 216.51 1.374E+07 5. 1 742 1.457E+07 6. 1 742 1.674E+07 7. 1 742 1.434E+07 8. 1 745 1.243E+07 9. 1.748 1.576E+07 10. 1.748 1.425E+07 131.64 4905.40 133.54 4917.52 131.01 4906.29 131.13 4894.08 133.62 4912.60 134.00 4900.51 119.17 80.00 130.96 80.00 119.70 80.00 107.62 82.63 125.97 81.32 114.66 82.63 * * * END OF FILE * * * 6 CEL2AQ2 1-22-20 17:01 4880 4840 4800 V7 X < 4760 >- 4720 _ 4680 Vogl Cell 2A Sec E Static 10 most critical surfaces, MINIMUM BISHOP FOS = 1.818 0 40 80 120 160 200 240 280 320 X-AXIS (feet) PROFIL FILE: CEL2AQ2 1-22-20 17:00 ft Vogl Cell 2A Sec E Static 23 8 .0 4803.0 101.0 4803.0 5 101.0 4803.0 148.0 4818.5 4 148.0 4818.5 157.0 4821.5 1 157.0 4821.5 182.0 4821.5 1 182.0 4821.5 185.0 4821.5 3 185.0 4821.5 202.0 4821.0 1 202.0 4821.0 211.4 4819.3 1 211.4 4819.3 250.0 4819.3 1 182.0 4821.5 182.1 4818.5 1 185.0 4821.5 185.1 4818.5 3 146.0 4818.5 182.1 4818.5 4 185.1 4818.5 250.0 4818.5 4 182.1 4818.5 182.2 4803.0 4 185.1 4818.5 185.2 4803.0 3 101.0 4803.0 182.2 4803.0 5 185.2 4803.0 250.0 4803.0 5 182.2 4803.0 182.3 4802.0 5 185.2 4803.0 185.3 4802.0 3 .0 4802.0 182.3 4802.0 6 185.3 4802.0 250.0 4802.0 6 182.3 4802.0 182.4 4799.0 6 185.3 4802.0 185.4 4799.0 3 182.4 4799.0 185.4 4799.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4804.0 101.0 4804.0 183.0 4806.0 184.0 4816.0 250.0 4817.0 EQUAKE .096 .000 CIRCL2 20 20 80.0 105.0 4780.0 7.0 202.0 210.0 -5.0 -45.0 1 XSTABL File: CEL2AQ2 1-22-20 17:01 ****************************************** * XSTABL * * * Slope Stability Analysis * * using the * * Method of Slices * * * Copyright (C) 1992 - 2002 * * Interactive Software Designs, Inc. * * Moscow, ID 83843, U.S.A. * * * All Rights Reserved * * * Ver. 5.206 96 - 1952 * ****************************************** Problem Description : Vogl Cell 2A Sec E Static SEGMENT BOUNDARY COORDINATES 8 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit Below Segment 5 4 1 1 3 1 1 1 No. (ft) (ft) (ft) (ft) 1 2 3 4 5 6 7 8 .0 4803.0 101.0 4803.0 101.0 4803.0 148.0 4818.5 148.0 4818.5 157.0 4821.5 157.0 4821.5 182.0 4821.5 182.0 4821.5 185.0 4821.5 185.0 4821.5 202.0 4821.0 202.0 4821.0 211.4 4819.3 211.4 4819.3' 250.0 4819.3 1 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 182.0 4821.5 182.1 4818.5 1 2 185.0 4821.5 185.1 4818.5 3 3 146.0 4818.5 182.1 4818.5 4 4 185.1 4818.5 250.0 4818.5 4 5 182.1 4818.5 182.2 4803.0 4 6 185.1 4818.5 185.2 4803.0 3 7 101.0 4803.0 182.2 4803.0 5 8 185.2 4803.0 250.0 4803.0 5 9 182.2 4803.0 182.3 4802.0 5 10 185.2 4803.0 185.3 4802.0 3 11 .0 4802.0 182.3 4802.0 6 12 185.3 4802.0 250.0 4802.0 6 13 182.3 4802.0 182.4 4799.0 6 14 185.3 4802.0 185.4 4799.0 3 15 182.4 4799.0 185.4 4799.0 6 ISOTROPIC Soil Parameters 6 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. 2 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4804.00 2 101.00 4804.00 3 183.00 4806.00 4 184.00 4816.00 5 250.00 4817.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 3 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = and x = 80.0 ft 105.0 ft Each surface terminates between x = 202.0 ft and x = 210.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4780.0 ft surface. inclined 7.0 ft line segments define each trial failure ANGULAR RESTRICTIONS The first segment of each failure surface will be within the angular range defined by : Lower angular limit := -45.0 degrees Upper angular limit := -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 21 coordinate points Point x -surf y -surf No. (ft) (ft) 1 81.32 4803.00 2 87.61 4799.93 4 3 94.09 4797.29 4 100.73 4795.08 5 107.50 4793.31 6 114.38 4791.98 7 121.32 4791.12 8 128.31 4790.71 9 135.31 4790.76 10 142.29 4791.27 11 149.23 4792.24 12 156.08 4793.67 13 162.82 4795.54 14 169.43 4797.85 15 175.87 4800.59 16 182.12 4803.75 17 188.14 4807.31 18 193.92 4811.27 19 199.43 4815.59 20 204.64 4820.26 21 204.85 4820.48 **** Simplified BISHOP FOS = 1.818 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 2A Sec E Static 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. 1.818 130.99 4896.98 106.30 81.32 204.85 1.158E+07 2. 1.818 129.52 4902.71 111.33 80.00 204.65 1.186E+07 3. 1.820 131.88 4889.17 99.25 82.63 203.65 1.096E+07 4. 1.821 130.30 4901.33 109.85 81.32 204.73 1.164E+07 5. 1.823 132.00 4887.31 97.04 83.95 202.65 1.047E+07 6. 1.824 131.31 4896.81 105.68 82.63 204.45 1.128E+07 7. 1.825 129.36 4907.52 115.59 80.00 5 205.31 1.215E+07 8. 1.828 132.39 4891.25 100.67 83.95 204.02 1.088E+07 9. 1.832 132.35 4895.61 104.49 83.95 204.91 1.118E+07 10. 1.840 130.91 4911.55 119.34 81.32 207.43 1.262E+07 * * * END OF FILE * * * 6 CEL2AS 1-22-20 16:50 4880 4840 4800 t!a 'Q 4760 .� Y 4720 4680 Vogl Cell 2A Sec B static 10 most critical surfaces, MINIMUM BISHOP FOS = 2.639 i 0 40 80 120 160 200 240 280 320 --AXIS (feet) PROFIL FILE: CEL2AS 1-22-20 16:50 ft Vogl Cell 2A Sec B static 25 10 .0 4798.0 100.0 4798.0 5 100.0 4798.0 155.0 4816.0 4 155.0 4816.0 164.0 4819.0 1 164.0 4819.0 189.0 4819.0 1 189.0 4819.0 192.0 4819.0 3 192.0 4819.0 209.0 4819.0 1 209.0 4819.0 223.8 4822.8 1 223.8 4822.8 245.0 4823.5 1 245.0 4823.5 280.0 4824.0 1 280.0 4824.0 310.0 4825.0 1 189.0 4819.0 189.1 4816.0 1 192.0 4819.0 192.1 4816.0 3 155.0 4816.0 189.1 4816.0 4 192.1 4816.0 310.0 4816.0 4 189.1 4816.0 189.2 4798.0 4 192.1 4816.0 192.2 4798.0 3 100.0 4798.0 189.2 4798.0 5 192.2 4798.0 310.0 4798.0 5 189.2 4797.0 189.3 4797.0 5 192.2 4798.0 192.3 4797.0 3 .0 4797.0 189.3 4797.0 6 192.3 4797.0 310.0 4797.0 6 189.3 4797.0 189.4 4794.0 6 192.3 4797.0 192.4 4794.0 3 189.4 4794.0 192.4 4794.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4799.0 99.0 4799.0 189.0 4802.0 191.0 4814.0 310.0 4815.0 CIRCL2 20 20 80.0 105.0 4780.0 7.0 208.0 224.0 -5.0 -45.0 1 XSTABL File: CEL2AS 1-22-20 16:50 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 1952 ****************************************** Problem Description : Vogl Cell 2A Sec B static SEGMENT BOUNDARY COORDINATES 10 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 3 1 1 1 1 .0 4798.0 100.0 4798.0 2 100.0 4798.0 155.0 4816.0 3 155.0 4816.0 164.0 4819.0 4 164.0 4819.0 189.0 4819.0 5 189.0 4819.0 192.0 4819.0 6 192.0 4819.0 209.0 4819.0 7 209.0 4819.0 223.8 4822.8 8 223.8 4822.8 245.0 4823.5 9 245.0 4823.5 280.0 4824.0 1 1 10 280.0 4824.0 310.0 4825.0 1 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 189.0 4819.0 189.1 4816.0 1 2 192.0 4819.0 192.1 4816.0 3 3 155.0 4816.0 189.1 4816.0 4 4 192.1 4816.0 310.0 4816.0 4 5 189.1 4816.0 189.2 4798.0 4 6 192.1 4816.0 192.2 4798.0 3 7 100.0 4798.0 189.2 4798.0 5 8 192.2 4798.0 310.0 4798.0 5 9 189.2 4797.0 189.3 4797.0 5 10 192.2 4798.0 192.3 4797.0 3 11 .0 4797.0 189.3 4797.0 6 12 192.3 4797.0 310.0 4797.0 6 13 189.3 4797.0 189.4 4794.0 6 14 192.3 4797.0 192.4 4794.0 3 15 189.4 4794.0 192.4 4794.0 6 ISOTROPIC Soil Parameters 6 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure Water 2 Unit Moist Sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) No. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4799.00 2 99.00 4799.00 3 189.00 4802.00 4 191.00 4814.00 5 310.00 4815.00 A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally 3 spaced along the ground surface between x = 80.0 ft and x = 105.0 ft Each surface terminates between x = 208.0 ft and x = 224.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4780.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by Lower angular limit := -45.0 degrees Upper angular limit := -5.0 degrees Factors of safety have been calculated by the * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 21 coordinate points Point x -surf y -surf No. (ft) (ft) 1 81.32 4798.00 2 87.64 4795.00 3 94.14 4792.41 4 100.80 4790.25 5 107.58 4788.52 6 114.46 4787.23 4 FOS Terminal Resisting (BISHOP) coord Moment (ft) (ft -lb) 1. 2.639 209.12 1.314E+07 2. 2.640 208.19 1.269E+07 3. 2.648 209.01 1.253E+07 4. 2.661 208.71 1.215E+07 5. 2.662 208.80 1.196E+07 6. 2.663 213.06 1.402E+07 7. 2.664 211.81 1.314E+07 8. 2.664 211.87 1.336E+07 9. 2.667 7 121.41 4786.38 8 128.40 4785.98 9 135.40 4786.04 10 142.38 4786.54 11 149.32 4787.49 12 156.18 4788.89 13 162.93 4790.73 14 169.56 4792.99 15 176.02 4795.68 16 182.30 4798.78 17 188.36 4802.27 18 194.19 4806.15 19 199.75 4810.40 20 205.04 4814.99 21 209.12 4819.03 **** Simplified BISHOP FOS = 2.639 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 2A Sec B static Circle Center Radius Initial x-coord y-coord x-coord x - (ft) (ft) (ft) (ft) 131.03 4894.60 131.13 4894.08 133.62 4885.41 135.30 4877.36 135.36 4880.32 131.98 4899.97 134.18 4889.80 134.57 4884.53 133.37 4893.49 5 108.64 107.62 100.54 93 .82 95.69 113.86 104.65 100.92 106.93 81.32 82.63 83.95 85.26 86.58 81.32 83.95 82.63 85.26 210.32 1.270E+07 10. 2.671 131.01 4906.29 119.70 80.00 214.26 1.464E+07 * * * END OF FILE * * * 6 CEL2AS2 1-22-20 16:55 4880 _ 4840 4800 'I- X < 4760 >- 4720 4680 Vogl Cell 2A Statc Sec E 10 most critical surfaces, MINIMUM BISHOP FOS 2.836 t 1 1 1 0 40 80 120 160 200 240 280 320 X-AXIS (feet) PROFIL 16:55 ft FILE: CEL2AS2 1-22-20 Vogl Cell 2A Statc Sec E 23 8 .0 4803.0 101.0 4803.0 5 101.0 4803,0 148.0 4818.5 4 148.0 4818.5 157.0 4821.5 1 157.0 4821.5 182.0 4821.5 1 182.0 4821.5 185.0 4821.5 3 185.0 4821.5 202.0 4821.0 1 202.0 4821.0 211.4 4819.3 1 211.4 4819.3 250.0 4819.3 1 182.0 4821.5 182.1 4818.5 1 185.0 4821.5 185.1 4818.5 3 146.0 4818.5 182.1 4818.5 4 185.1 4818.5 250.0 4818.5 4 182.1 4818.5 182.2 4803.0 4 185.1 4818.5 185.2 4803.0 3 101.0 4803.0 182.2 4803.0 5 185.2 4803.0 250.0 4803.0 5 182.2 4803.0 182.3 4802.0 5 185.2 4803.0 185.3 4802.0 3 .0 4802.0 182.3 4802.0 6 185.3 4802.0 250.0 4802.0 6 182.3 4802.0 182.4 4799.0 6 185.3 4802,0 185.4 4799.0 3 182.4 4799.0 185.4 4799.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4804.0 101.0 4804.0 183.0 4806.0 184.0 4816.0 250.0 4817.0 CIRCL2 20 20 80.0 105.0 4780.0 7.0 202.0 210.0 -5.0 -45.0 XSTABL File: CEL2AS2 1-22-20 16:55 ****************************************** * X S TAB L * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 2A Statc Sec E SEGMENT BOUNDARY COORDINATES 8 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 3 1 1 1 1 .0 4803.0 101.0 4803.0 2 101.0 4803.0 148.0 4818.5 3 148.0 4818.5 157.0 4821.5 4 157.0 4821.5 182.0 4821.5 5 182.0 4821.5 185.0 4821.5 6 185.0 4821.5 202.0 4821.0 7 202.0 4821.0 211.4 4819.3 8 211.4 4819.3 250.0 4819.3 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 3 4 4 4 3 5 5 5 3 6 6 6 3 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 182.0 4821.5 182.1 4818.5 185.0 4821.5 185.1 4818.5 146.0 4818.5 182.1 4818.5 185.1 4818.5 250.0 4818.5 182.1 4818.5 182.2 4803.0 185.1 4818.5 185.2 4803.0 101.0 4803.0 182.2 4803.0 185.2 4803.0 250.0 4803.0 182.2 4803.0 182.3 4802.0 185.2 4803.0 185.3 4802.0 .0 4802.0 182.3 4802.0 185.3 4802.0 250.0 4802.0 182.3 4802.0 182.4 4799.0 185.3 4802.0 185.4 4799.0 182.4 4799.0 185.4 4799.0 ISOTROPIC Soil Parameters 6 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. 2 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 4 119.0 129.0 35.00 .000 .0 1 5 110.0 133.0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 random specified. spaced .0 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4804.00 2 101.00 4804.00 3 183.00 4806.00 4 184.00 4816.00 5 250.00 4817.00 A critical failure surface searching method, using a technique for generating CIRCULAR surfaces has been 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally along the ground surface between x = and x = 3 80.0 ft 105.0 ft Each surface terminates between x = 202.0 ft and x = 210.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4780.0 ft 7.0 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 -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 20 coordinate points Point No x -surf (ft) y -surf (ft) 1 83.95 4803.00 2 90.15 4799.76 3 96.57 4796.97 4 103.17 4794.65 5 109.93 4792.81 6 116.80 4791.47 7 123.75 4790.62 8 130.74 4790.28 9 137.74 4790.44 10 144.71 4791.10 4 11 151.61 4792.27 12 158.41 4793.93 13 165.07 4796.08 14 171.56 4798.70 15 177.85 4801.78 16 183.89 4805.31 17 189.67 4809.27 18 195.14 4813.63 19 200.29 4818.37 20 202.65 4820.88 **** Simplified BISHOP FOS = 2.836 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 2A Statc Sec E FOS Terminal Resisting (BISHOP) coord Moment (ft) (ft -lb) 1. 2.836 202.65 1.067E+07 2. 2.843 203.65 1.116E+07 3. 2.857 202.07 9.765E+06 4. 2.858 204.85 1.180E+07 5. 2.860 204.02 1.108E+07 6. 2.860 204.65 1.208E+07 7. 2.862 204.45 1.149E+07 8. 2.862 204.73 1.185E+07 9. 2.867 202.41 9.767E+06 10. 2.879 204.91 1.138E+07 Circle Center x-coord y-coord (ft) (ft) 132.00 4887.31 131.88 4889.17 134.74 4877.13 130.99 4896.98 132.39 4891.25 129.52 4902.71 131.31 4896.81 130.30 4901.33 134.21 4885.62 132.35 4895.61 5 Radius Initial x-coord x - (ft) (ft) 97.04 99.25 87.69 106.30 100.67 111.33 105.68 109.85 94.08 104.49 83.95 82.63 87.89 81.32 83.95 80.00 82.63 81.32 89.21 83.95 CEL2BAQ 1-24-20 9:39 4880 4840 4800 t!1 Q 4760 4720 4680 Vogl Cell 2B Sec A Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.402 .w1 0 40 80 120 160 200 240 280 320 X-AXIS (feet) PROFIL 9:39 ft FILE: CEL2BAQ 1-24-20 Vogl Cell 2B Sec A Seismic 7 4 .0 4797.0 176.0 4797.0 5 176.0 4797.0 210.0 4814.3 4 210.0 4814.3 216.0 4817.3 1 216.0 4817.3 280.0 4817.3 1 210.0 4814.3 280.0 4814.3 4 176.0 4797.0 280.0 4796.0 5 .0 4796.0 280.0 4796.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 4 .0 4798.0 176.0 4798.0 200.0 4801.0 280.0 4808.0 EQUAKE .096 .000 CIRCL2 20 20 160.0 182.0 4785.0 7.0 236.0 245.0 -5.0 -45.0 1 XSTABL File: CEL2BAQ 1-24-20 9:39 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 2B Sec A Seismic SEGMENT BOUNDARY COORDINATES 4 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 1 2 3 4 .0 4797.0 176.0 4797.0 176.0 4797.0 210.0 4814.3 210.0 4814.3 216.0 4817.3 216.0 4817.3 280.0 4817.3 3 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 4 5 6 1 2 3 210.0 4814.3 280.0 4814.3 176.0 4797.0 280.0 4796.0 .0 4796.0 280.0 4796.0 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 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 x -water y -water No. (ft) (ft) 1 .00 4798.00 2 176.00 4798.00 2 random specified. spaced 3 4 200.00 280.00 4801.00 4808.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a technique for generating CIRCULAR surfaces has been 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally along the ground surface between x = 160.0 ft and x = 182.0 ft Each surface terminates between x = 236.0 ft and x = 245.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4785.0 ft surface. inclined 7.0 ft line segments define each trial failure ANGULAR RESTRICTIONS The first segment of each failure surface will be within the angular range defined by : Lower angular limit :_ -45.0 degrees Upper angular limit :_ -5.0 degrees 3 Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 14 coordinate points Point x -surf y -surf No. (ft) (ft) 1 161.16 4797.00 2 167.48 4794.00 3 174.13 4791.80 4 181.00 4790.45 5 187.98 4789.95 6 194.97 4790.32 7 201.86 4791.55 8 208.55 4793.63 9 214.92 4796.51 10 220.89 4800.16 11 226.37 4804.52 12 231.26 4809.53 13 235.50 4815.10 14 236.78 4817.30 **** Simplified BISHOP FOS = 1.402 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 2B Sec A Seismic 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. 1.402 188.49 4846.44 56.49 161.16 4 236.78 236.30 236.03 236.90 236.26 238.80 238.27 238.61 236.63 238.00 3.059E+06 2. 1.404 2.623E+06 3. 1.410 2.573E+06 4. 1.410 2.780E+06 5. 1.414 3.066E+06 6. 1.416 3.422E+06 7. 1.416 3.195E+06 8. 1.417 3.251E+06 9. 1.417 2.448E+06 10. 1.419 3.004E+06 185.52 4865.34 188.08 4855.35 185.88 4863.72 176.04 4892.69 187.06 4855.38 180.08 4885.55 187.11 4857.46 188.83 4858.03 189.32 4850.64 69.99 61.31 69.05 96.52 64.34 89.70 65.35 62.83 59.05 170.42 169.26 168.11 163.47 160.00 165.79 162.32 173.89 164.63 * * * END OF FILE * * * 5 0 CEL28AS 1-24-20 10:41 Vogl Cell 2B Sec A Static 10 most critical surfaces, MINIMUM BISHOP FOS = 40 80 120 160 200 X—AXIS (feet) 240 1.847 280 320 PROFIL 10:41 ft FILE: CEL2BAS 1-24-20 Vogl Cell 2B Sec A Static 7 4 .0 4797.0 176.0 4797.0 5 176.0 4797.0 210.0 4814.3 4 210.0 4814.3 216.0 4817.3 1 216.0 4817.3 280.0 4817.3 1 210.0 4814.3 280.0 4814.3 4 176.0 4797.0 280.0 4796.0 5 .0 4796.0 280.0 4796.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 4 .0 4798.0 176.0 4798.0 200.0 4801.0 280.0 4808.0 CIRCL2 20 20 160.0 182.0 4785.0 7.0 236.0 245.0 -5.0 -45.0 1 XSTABL File: CEL2BAS 1-24-20 10:41 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Cell 2B Sec A Static SEGMENT BOUNDARY COORDINATES 4 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 1 2 3 4 .0 4797.0 176.0 4797.0 176.0 4797.0 210.0 4814.3 210.0 4814.3 216.0 4817.3 216.0 4817.3 280.0 4817.3 3 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 4 5 6 1 2 3 210.0 4814.3 280.0 4814.3 176.0 4797.0 280.0 4796.0 .0 4796.0 280.0 4796.0 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 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 x -water y -water No. (ft) (ft) 1 .00 4798.00 2 176.00 4798.00 2 random specified. spaced 3 4 200.00 280.00 4801.00 4808.00 A critical failure surface searching method, using a technique for generating CIRCULAR surfaces has been 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally along the ground surface between x = 160.0 ft and x = 182.0 ft Each surface terminates between x = 236.0 ft and x = 245.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4785.0 ft surface. inclined 7.0 ft line segments define each trial failure ANGULAR RESTRICTIONS The first segment of each failure surface will be within the angular range defined by : Lower angular limit := -45.0 degrees Upper angular limit -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD 3 * * * * * The most critical circular failure surface is specified by 12 coordinate points Point x -surf y -surf No. (ft) (ft) 1 170.42 4797.00 2 177.32 4795.83 3 184.31 4795.36 4 191.30 4795.59 5 198.24 4796.52 6 205.05 4798.14 7 211.67 4800.43 8 218.02 4803.36 9 224.05 4806.92 10 229.69 4811.07 11 234.89 4815.75 12 236.30 4817.30 **** Simplified BISHOP FOS = 1.847 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 2B Sec A Static FOS Terminal Resisting (BISHOP) coord Moment (ft) (ft -lb) 1. 1.847 236.30 2.721E+06 2. 1.849 236.03 2.664E+06 3. 1.856 236.78 3.160E+06 4. 1.857 236.90 2.881E+06 5. 1.864 236.63 2.537E+06 6. 1.866 Circle Center x-coord y-coord (ft) (ft) 185.52 4865.34 188.08 4855.35 188.49 4846.44 185.88 4863.72 188.83 4858.03 176.04 4892.69 4 Radius Initial x-coord x - (ft) (ft) 69.99 61.31 56.49 69.05 62.83 96.52 170.42 169.26 161.16 168.11 173.89 163.47 236.26 236.38 236.77 238.00 237.55 3.184E+06 7. 1.869 2.820E+06 8. 1.876 3.014E+06 9. 1.879 3.105E+06 10. 1.880 3.024E+06 191.05 4842.35 190.68 4841.46 189.32 4850.64 190.62 4844.76 51.91 52.12 59.05 54.38 165.79 163.47 164.63 164.63 * * * END OF FILE * * * 5 CEL3CQ 1-22-20 16:31 4880 4840 _ 4800 _ t!) < 4760 _ 4720 4680 Vogl Cell 3 Sec C Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.773 w1 1 I 0 40 80 120 160 200 X-AXIS (feet) 240 r t 280 320 PROFIL FILE: CEL3CQ 1-22-20 16:31 ft Vogl Cell 3 Sec C Seismic 24 9 .0 4794.0 102.0 4794.0 5 102.0 4794.0 148.6 4809.6 4 148.6 4809.6 157.6 4812.6 1 157.6 4812.6 183.0 4812.6 1 183.0 4812.6 186.0 4812.6 3 186.0 4812.6 202.0 4812.6 1 202.0 4812.6 210.0 4810.0 1 210.0 4810.0 219.4 4810.0 1 219.4 4810.0 250.0 4815.3 1 183.0 4812.6 183.1 4809.6 1 186.0 4812.6 186.1 4809.6 3 148.6 4809.6 183.1 4809.6 4 186.1 4809.6 250.0 4809.6 4 183.1 4809.6 183.2 4794.0 4 186.1 4809.6 186.2 4794.0 3 102.0 4794.0 183.2 4794.0 5 186.2 4794.0 250.0 4794.0 5 183.2 4794.0 183.3 4793.0 5 186.2 4794.0 186.3 4793.0 3 .0 4793.0 183.3 4793.0 6 186.3 4793.0 250.0 4793.0 6 183.3 4793.0 183.4 4790.0 6 186.3 4793.0 186.4 4790.0 3 183.4 4790.0 186.4 4790.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4795.0 102.0 4795.0 183.0 4799.0 184.0 4806.0 250.0 4806.0 EQUAKE .096 .000 CIRCL2 20 20 82.0 107.0 4780.0 7.0 202.0 220.0 -5.0 -45.0 1 XSTABL File: CEL3CQ 1-22-20 16:31 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 1952 * ****************************************** Problem Description : Vogl Cell 3 Sec C Seismic SEGMENT BOUNDARY COORDINATES 9 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 3 1 1 1 1 2 3 4 5 6 7 8 9 .0 4794.0 102.0 4794.0 102.0 4794.0 148.6 4809.6 148.6 4809.6 157.6 4812.6 157.6 4812.6 183.0 4812.6 183.0 4812.6 186.0 4812.6 186.0 4812.6 202.0 4812.6 202.0 4812.6 210.0 4810.0 210.0 4810.0 219.4 4810.0 219.4 4810.0 250.0 4815.3 1 1 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 3 4 4 4 3 5 5 5 3 6 6 6 3 6 1 183.0 4812.6 183.1 4809.6 2 186.0 4812.6 186.1 4809.6 3 148.6 4809.6 183.1 4809.6 4 186.1 4809.6 250.0 4809.6 5 183.1 4809.6 183.2 4794.0 6 186.1 4809.6 186.2 4794.0 7 102.0 4794.0 183.2 4794.0 8 186.2 4794.0 250.0 4794.0 9 183.2 4794.0 183.3 4793.0 10 186.2 4794.0 186.3 4793.0 11 .0 4793.0 183.3 4793.0 12 186.3 4793.0 250.0 4793.0 13 183.3 4793.0 183.4 4790.0 14 186.3 4793.0 186.4 4790.0 15 183.4 4790.0 186.4 4790.0 ISOTROPIC Soil Parameters 6 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure Water Unit Moist Sat. Intercept Angle Parameter Constant Surface 2 (psf) No. (pcf) (pcf) (psf) (deg) Ru No. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 random specified. 1 Water surface(s) have been specified Unit weight of water = 62.40 (pcf) Water Surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4795.00 2 102.00 4795.00 3 183.00 4799.00 4 184.00 4806.00 5 250.00 4806.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a technique for generating CIRCULAR surfaces has been 3 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 82.0 ft and x = 107.0 ft Each surface terminates between x = 202.0 ft and x = 220.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4780.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by Lower angular limit :_ -45.0 degrees Upper angular limit :_ -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 20 coordinate points Point x -surf y -surf No. (ft) (ft) 4 1 83.32 4794.00 2 89.40 4790.54 3 95.73 4787.56 4 102.27 4785.06 5 108.98 4783.05 6 115.82 4781.56 7 122.75 4780.59 8 129.74 4780.14 9 136.74 4780.22 10 143.71 4780.83 11 150.62 4781.96 12 157.42 4783.60 13 164.08 4785.76 14 170.56 4788.41 15 176.82 4791.54 16 182.83 4795.13 17 188.55 4799.16 18 193.95 4803.62 19 199.00 4808.47 20 202.55 4812.42 **** Simplified BISHOP FOS = 1.773 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Cell 3 Sec C Seismic 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. 1.773 132.18 4873.00 92.89 83.32 202.55 1.026E+07 2. 1.778 132.49 4877.94 96.62 84.63 203.18 1.028E+07 3. 1.780 132.84 4876.63 96.34 83.32 204.16 1.075E+07 4. 1.781 132.94 4871.86 91.63 84.63 202.58 1.006E+07 5. 1.784 132.47 4881.66 98.63 87.26 202.64 9.745E+06 6. 1.787 133.80 4872.54 91.29 87.26 202.52 9.604E+06 5 7. 1.788 132.62 4886.39 103.51 85.95 204.40 1.052E+07 8. 1.791 133.84 4877.14 94.66 88.58 202.76 9.535E+06 9. 1.792 133.72 4878.57 95.87 88.58 202.94 9.598E+06 10. 1.792 133.97 4869.89 89.81 85.95 202.83 9.920E+06 * * * END OF FILE * * * 6 CEL3CS 1-22-20 16:34 4880 _ 4840 _ 15 4800 _ 4- X 'Z4760 4720 4680 Vogl Cell 3 Sec C Static 10 most critical surfaces, MINIMUM BISHOP FOS = 2.736 i 1 4r 1 1 , 1 f 1 0 40 80 120 160 200 240 280 320 X-AXIS (feet) PROFIL FILE: CEL3CS 1-22-20 16:34 ft Vogl Cell 3 Sec C Static 24 9 .0 4794.0 102.0 4794.0 5 102.0 4794.0 148.6 4809.6 4 148.6 4809.6 157.6 4812.6 1 157.6 4812.6 183.0 4812.6 1 183.0 4812.6 186.0 4812.6 3 186.0 4812.6 202.0 4812.6 1 202.0 4812.6 210.0 4810.0 1 210.0 4810.0 219.4 4810.0 1 219.4 4810.0 250.0 4815.3 1 183.0 4812.6 183.1 4809.6 1 186.0 4812.6 186.1 4809.6 3 148.6 4809.6 183.1 4809.6 4 186.1 4809.6 250.0 4809.6 4 183.1 4809.6 183.2 4794.0 4 186.1 4809.6 186.2 4794.0 3 102.0 4794.0 183.2 4794.0 5 186.2 4794.0 250.0 4794.0 5 183.2 4794.0 183.3 4793.0 5 186.2 4794.0 186.3 4793.0 3 .0 4793.0 183.3 4793.0 6 186.3 4793.0 250.0 4793.0 6 183.3 4793.0 183.4 4790.0 6 186.3 4793.0 186.4 4790.0 3 183.4 4790.0 186.4 4790.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 4795.0 102.0 4795.0 183.0 4799.0 184.0 4806.0 250.0 4806.0 CIRCL2 20 20 82.0 107.0 4780.0 7.0 202.0 220.0 -5.0 -45.0 1 XSTABL File: CEL3C5 1-22-20 16:34 ***************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 *****-************************************* Problem Description : Vogl Cell 3 Sec C Static SEGMENT BOUNDARY COORDINATES 9 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 5 4 1 1 3 1 1 1 1 .0 4794.0 102.0 4794.0 2 10.2.0 4794.0 148.6 4809.6 3 148.6 4809.6 157.6 4812.6 4 157.6 4812.6 183.0 4812.6 5 183.0 4812.6 186.0 4812.6 6 196.0 4812.6 202.0 4812.6 7 20[2.0 4812.6 210.0 4810.0 8 210.0 4810.0 219.4 4810.0 9 219.4 4810.0 250.0 4815.3 1 1 Soil Unit 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right No. (ft) (ft) (ft) (ft) Below Segment 1 3 4 4 4 3 5 5 5 3 6 6 6 3 6 1 183.0 4812.6 183.1 4809.6 2 186.0 4812.6 186.1 4809.6 3 148.6 4809.6 183.1 4809.6 4 186.1 4809.6 250.0 4809.6 5 183.1 4809.6 183.2 4794.0 6 186.1 4809.6 186.2 4794.0 7 102.0 4794.0 183.2 4794.0 8 186.2 4794.0 250.0 4794.0 9 183.2 4794.0 183.3 4793.0 10 186.2 4794.0 186.3 4793.0 11 .0 4793.0 183.3 4793.0 12 186.3 4793.0 250.0 4793.0 13 183.3 4793.0 183.4 4790.0 14 186.3 4793.0 186.4 4790.0 15 183.4 4790.0 186.4 4790.0 ISOTROPIC Soil Parameters 6 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure Water Unit Moist Sat. Intercept Angle Parameter Constant Surface 2 (psf) No. (pcf) (pcf) (psf) (deg) Ru No. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .000 .0 1 random specified. spaced 1 Water surface(s) have been specified Unit weight of water = 62.40 (pcf) Water Surface No. 1 specified by 5 coordinate points ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 4795.00 2 102.00 4795.00 3 183.00 4799.00 4 184.00 4806.00 5 250.00 4806.00 A critical failure surface searching method, using a technique for generating CIRCULAR surfaces has been 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally along the ground surface between x = 82.0 ft 3 and x = 107.0 ft Each surface terminates between x = 202.0 ft and x = 220.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 4780.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by : Lower angular limit :_ -45.0 degrees Upper angular limit := -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 20 coordinate points Point x -surf y -surf No. (ft) (ft) 1 83.32 4794.00 2 89.40 4790.54 3 95.73 4787.56 4 102.27 4785.06 5 108.98 4783.05 6 115.82 4781.56 7 122.75 4780.59 8 129.74 4780.14 4 9 136.74 4780.22 10 143.71 4780.83 11 150.62 4781.96 12 157.42 4783.60 13 164.08 4785.76 14 170.56 4788.41 15 176.82 4791.54 16 182.83 4795.13 17 188.55 4799.16 18 193.95 4803.62 19 199.00 4808.47 20 202.55 4812.42 **** Simplified BISHOP FOS = 2.736 **** The following is a summary of the TEN most critical surfaces Problem Description': Vogl Cell 3 Sec C Static 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. 2.736 132.18 4873.00 92.89 83.32 202.55 1.045E+07 2. 2.746 132.94 4871.86 91.63 84.63 202.58 1.025E+07 3. 2.749 132.47 4881.66 98.63 87.26 202.64 9.941E+06 4. 2.750 132.49 4877.94 96.62 84.63 203.18 1.048E+07 5. 2.751 133.80 4872.54 91.29 87.26 202.52 9.788E+06 6. 2.760 133.84 4877.14 94.66 88.58 202.76 9.720E+06 7. 2.763 133.72 4878.57 95.87 88.58 202.94 9.786E+06 8. 2.764 133.97 4869.89 89.81 85.95 202.83 1.010E+07 9. 2.765 132.84 4876.63 96.34 83.32 204.16 1.095E+07 10. 2.778 128.08 4903.20 117.04 85.95 202.10 1.042E+07 5 PNQAIQ 1-24-20 13:25 250 _ 200 _ 150 4100 I >- 50 Vogl Pond A Sec I Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.834 0 S0 100 150 200 250 300 350 400 X—AXIS (feet) PROFIL 13:25 ft FILE: PNDAIQ 1-24-20 Vogl Pond A Sec 1 Seismic 25 10 .0 100.0 24.5 100.0 1 24.5 100.0 27.0 97.0 1 27.0 97.0 39.0 97.0 1 39.0 97.0 42.5 100.0 1 42.5 100.0 148.5 100.0 1 148.5 100.0 151.5 100.0 3 151.5 100.0 176.5 100.0 1 176.5 100.0 188.5 96.0 1 188.5 96.0 266.5 70.0 4 266.5 70.0 350.0 70.0 5 148.5 100.0 148.6 96.0 1 151.5 100.0 151.6 96.0 3 .0 96.0 148.6 96.0 4 151.6 96.0 188.5 96.0 4 148.6 96.0 148.7 70.0 4 151.6 96.0 151.7 70.0 3 .0 70.0 148.7 70.0 5 151.7 70.0 266.5 70.0 5 148.7 70.0 148.8 69.0 5 151.7 70.0 151.8 69.0 3 .0 69.0 148.8 69.0 6 151.8 69.0 350.0 69.0 6 148.8 69.0 148.9 66.0 6 151.8 69.0 151.9 66.0 3 148.9 66.0 151.9 66.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 95.0 149.0 95.0 151.0 74.0 266.5 71.0 350.0 71.0 EQUAKE .096 .000 CIRCL2 20 20 271.0 315.0 40.0 7.0 24.5 42.5 -5.0 -45.0 1 XSTABL File: PNDAIQ 1-24-20 13:25 ****************************************** * X S TAB L * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description Vogl Pond A Sec I Seismic SEGMENT BOUNDARY COORDINATES 10 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 1 1 1 1 3 1 1 1 2 3 4 5 6 7 8 9 .0 100.0 24.5 100.0 24.5 100.0 27.0 97.0 27.0 97.0 39.0 97.0 39.0 97.0 42.5 100.0 42.5 100.0 148.5 100.0 148.5 100.0 151.5 100.0 151.5 100.0 176.5 100.0 176.5 100.0 188.5 96.0 188.5 96.0 266.5 70.0 1 4 10 266.5 70.0 350.0 70.0 5 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 148.5 100.0 148.6 96.0 1 2 151.5 100.0 151.6 96.0 3 3 .0 96.0 148.6 96.0 4 4 151.6 96.0 188.5 96.0 4 5 148.6 96.0 148.7 70.0 4 6 151.6 96.0 151.7 70.0 3 7 .0 70.0 148.7 70.0 5 8 151.7 70.0 266.5 70.0 5 9 148.7 70.0 148.8 69.0 5 10 151.7 70.0 151.8 69.0 3 11 .0 69.0 148.8 69.0 6 12 151.8 69.0 350.0 69.0 6 13 148.8 69.0 148.9 66.0 6 14 151.8 69.0 151.9 66.0 3 15 148.9 66.0 151.9 66.0 6 ISOTROPIC Soil Parameters 6 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure Water 2 Unit Moist Sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) No. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 **************-******************** PHREATIC SURFACE, **************.******************** Point x -water y -water No. (ft) (ft) 1 .00 95.00 2 149.00 95.00 3 151.00 74.00 4 266.50 71.00 5 350.00 71.00 A horizontal earthquake loading coefficient of .096 has been assigned random A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a 3 technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 271.0 ft and x = 315.0 ft Each surface terminates between x = 24.5 ft and x = 42.5 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 40.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by : Lower angular limit := -45.0 degrees Upper angular limit -5.0 degrees Factors of safety have been calculated by the * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 42 coordinate points Point x -surf y -surf 4 No. (ft) (ft) 1 312.68 70.00 2 306.34 67.05 3 299.91 64.28 4 293.41 61.68 5 286.84 59.26 6 280.21 57.02 7 273.52 54.96 8 266.78 53.08 9 259.98 51.39 10 253.15 49.89 11 246.27 48.57 12 239.36 47.44 13 232.43 46.50 14 225.47 45.75 15 218.49 45.18 16 211.50 44.81 17 204.50 44.63 18 197.50 44.64 19 190.50 44.85 20 183.52 45.24 21 176.54 45.82 22 169.58 46.59 23 162.65 47.56 24 155.74 48.71 25 148.87 50.05 26 142.04 51.57 27 135.25 53.28 28 128.52 55.18 29 121.83 57.26 30 115.21 59.52 31 108.65 61.96 32 102.15 64.58 33 95.74 67.37 34 89.40 70.34 35 83.14 73.48 36 76.97 76.79 37 70.90 80.27 38 64.92 83.91 39 59.04 87.71 40 53.27 91.68 41 47.61 95.79 42 42.33 99.86 **** Simplified BISHOP FOS = 1.834 **** 5 The following is a summary of the TEN most critical surfaces Problem Description : Vogl Pond A Sec I Seismic 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. 1.834 201.40 301.24 256.63 312.68 42.33 1.053E+08 2. 1.848 198.54 276.75 236.16 312.68 42.22 1.049E+08 3. 1.849 203.33 340.49 292.64 315.00 39.89 1.151E+08 4. 1.853 203.83 348.54 299.06 312.68 40.34 1.130E+08 5. 1.854 200.60 323.75 278.34 315.00 39.10 1.158E+08 6. 1.854 197.24 278.71 237.40 310.37 41.73 1.042E+08 7. 1.858 196.06 282.66 239.27 305.74 42.02 1.002E+08 8. 1.859 199.57 320.68 275.98 315.00 37.96 1.169E+08 9. 1.861 196.47 287.99 245.95 310.37 40.23 1.077E+08 10. 1.864 195.13 284.05 239.89 303.42 41.91 9.880E+07 * * * END OF FILE * * * 6 PNDAIS 1-24-20 13:20 250 200 50 Vogl Pond A Sec I Static 10 most critical surfaces, MINIMUM BISHOP FOS = 3.201 r i 7 1 T r i 0 50 100 150 200 250 X-AXIS (feet) 300 350 400 PROFIL 13:20 ft FILE: PNDAIS 1-24-20 Vogl Pond A Sec I Static 25 10 .0 100.0 24.5 100.0 1 24.5 100.0 27.0 97.0 1 27.0 97.0 39.0 97.0 1 39.0 97.0 42.5 100.0 1 42.5 100.0 148.5 100.0 1 148.5 100.0 151.5 100.0 3 151.5 100.0 176.5 100.0 1 176.5 100.0 188.5 96.0 1 188.5 96.0 266.5 70.0 4 266.5 70.0 350.0 70.0 5 148.5 100.0 148.6 96.0 1 151.5 100.0 151.6 96.0 3 .0 96.0 148.6 96.0 4 151.6 96.0 188.5 96.0 4 148.6 96.0 148.7 70.0 4 151.6 96.0 151.7 70.0 3 .0 70.0 148.7 70.0 5 151.7 70.0 266.5 70.0 5 148.7 70.0 148.8 69.0 5 151.7 70.0 151.8 69.0 3 .0 69.0 148.8 69.0 6 151.8 69.0 350.0 69.0 6 148.8 69.0 148.9 66.0 6 151.8 69.0 151.9 66.0 3 148.9 66.0 151.9 66.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 95.0 149.0 95.0 151.0 74.0 266.5 71.0 350.0 71.0 CIRCL2 20 20 271.0 315.0 40.0 7.0 24.5 42.5 -5.0 -45.0 1 XSTABL File: PNDAIS 1-24-20 13:20 ****************************************** * XSTABL * * * * Slope Stability Analysis * * using the * * Method of Slices * * * * Copyright (C) 1992 - 2002 * * Interactive Software Designs, Inc. * * Moscow, ID 83843, U.S.A. * * * * All Rights Reserved * * * * Ver. 5.206 96 - 1952 * ****************************************** Problem Description : Vogl Pond A Sec I Static SEGMENT BOUNDARY COORDINATES 10 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 1 1 1 1 3 1 1 1 .0 100.0 24.5 100.0 2 24.5 100.0 27.0 97.0 3 27.0 97.0 39.0 97.0 4 39.0 97.0 42.5 100.0 5 42.5 100.0 148.5 100.0 6 148.5 100.0 151.5 100.0 7 151.5 100.0 176.5 100.0 8 176.5 100.0 188.5 96.0 9 188.5 96.0 266.5 70.0 1 4 10 266.5 70.0 350.0 70.0 5 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 3 4 4 4 3 5 5 5 3 6 6 6 3 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 148.5 100.0 148.6 96.0 151.5 100.0 151.6 96.0 .0 96.0 148.6 96.0 151.6 96.0 188.5 96.0 148.6 96.0 148.7 70.0 151.6 96.0 151.7 70.0 .0 70.0 148.7 70.0 151.7 70.0 266.5 70.0 148.7 70.0 148.8 69.0 151.7 70.0 151.8 69.0 .0 69.0 148.8 69.0 151.8 69.0 350.0 69.0 148.8 69.0 148.9 66.0 151.8 69.0 151.9 66.0 148.9 66.0 151.9 66.0 ISOTROPIC Soil Parameters 6 Soil unit(s) specified Soil Unit Weight Cohesion Friction Pore Pressure Water 2 Unit Moist Sat. Intercept Angle Parameter Constant Surface No. (pcf) (pcf) (psf) (deg) Ru (psf) No. 1 29.00 .000 2 30.00 .000 3 115.0 .0 4 35.00 .000 5 15.00 .000 6 28.00 .000 random specified. 114.0 118.0 112.0 119.0 110.0 126.0 126.0 .0 1 128.0 .0 1 50.0 70.0 .00 .000 129.0 .0 .0 1 133.0 .0 .0 1 135.0 100.0 .0 1 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 95.00 2 149.00 95.00 3 151.00 74.00 4 266.50 71.00 5 350.00 71.00 A critical failure surface searching method, using a technique for generating CIRCULAR surfaces has been 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally 3 spaced along the ground surface between x = 271.0 ft and x = 315.0 ft Each surface terminates between x i 24.5 ft and x = 42.5 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 40.0 ft 7.0 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 -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 42 coordinate points Point x -surf y -surf No. (ft) (ft) 1 312.68 70.00 2 306.34 67.05 3 299.91 64.28 4 293.41 61.68 5 286.84 59.26 6 280.21 57.02 4 7 273.52 54.96 8 266.78 53.08 9 259.98 51.39 10 253.15 49.89 11 246.27 48.57 12 239.36 47.44 13 232.43 46.50 14 225.47 45.75 15 218.49 45.18 16 211.50 44.81 17 204.50 44.63 18 197.50 44.64 19 190.50 44.85 20 183.52 45.24 21 176.54 45.82 22 169.58 46.59 23 162.65 47.56 24 155.74 48.71 25 148.87 50.05 26 142.04 51.57 27 135.25 53.28 28 128.52 55.18 29 121.83 57.26 30 115.21 59.52 31 108.65 61.96 32 102.15 64.58 33 95.74 67.37 34 89.40 70.34 35 83.14 73.48 36 76.97 76.79 37 70.90 80.27 38 64.92 83.91 39 59.04 87.71 40 53.27 91.68 41 47.61 95.79 42 42.33 99.86 **** Simplified BISHOP F0S = 3.201 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Pond A Sec I Static FOS Circle Center Radius Initial Terminal Resisting (BISHOP) x-coord y-coord x-coord x- 5 coord Moment (ft) (ft) (ft) (ft) (ft) (ft -lb) 1. 3.201 201.40 301.24 256.63 312.68 42.33 1.069E+08 2. 3.223 198.54 276.75 236.16 312.68 42.22 1.065E+08 3. 3.241 197.24 278.71 237.40 310.37 41.73 1.057E+08 4. 3.246 196.06 282.66 239.27 305.74 42.02 1.017E+08 5. 3.255 195.42 268.28 228.03 308.05 42.01 1.031E+08 6. 3.256 195.44 269.61 229.18 308.05 41.89 1.034E+08 7. 3.258 194.58 267.84 226.93 305.74 42.19 1.009E+08 8. 3.260 195.13 284.05 239.89 303.42 41.91 1.002E+08 9. 3.272 203.33 340.49 292.64 315.00 39.89 1.169E+08 10. 3.272 203.83 348.54 299.06 312.68 40.34 1.148E+08 * * * END OF FILE * * * 6 PNDAQ 1-24-20 12:09 200 160 120 9 cn X t 80 )- 40 Vogl Pond A Seismic 10 most critical surfaces, MINIMUM BISHOP FOS = 1.530 1 0 40 80 120 160 200 240 280 320 X-AXIS (feet) PROFIL 12:09 ft FILE: PNDAQ 1-24-20 Vogl Pond A Seismic 21 6 .0 100.0 116.0 100.0 1 116.0 100.0 119.0 100.0 3 119.0 100.0 134.0 100.0 1 134.0 100.0 146.0 96.0 1 146.0 96.0 224.0 70.0 4 224.0 70.0 300.0 70.0 5 116.0 100.0 116.1 96.0 1 119.0 100.0 119.1 96.0 3 .0 96.0 116.1 96.0 4 119.1 96.0 146.0 96.0 4 116.1 96.0 116.2 70.0 4 119.1 96.0 119.2 70.0 3 .0 70.0 116.2 70.0 5 119.2 70.0 224.0 70.0 5 116.2 70.0 116.3 69.0 5 119.2 70.0 119.3 69.0 3 .0 69.0 116.3 69.0 6 119.3 69.0 300.0 69.0 6 116.3 69.0 116.4 66.0 6 119.3 69.0 119.4 66.0 3 116.4 66.0 119.4 66.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 95.0 116.0 95.0 119.0 74.0 224.0 71.0 300.0 71.0 EQUAKE .096 .000 CIRCL2 20 20 219.0 240.0 40.0 7.0 112.0 120.0 -5.0 -45.0 1 XSTABL File: PNDAQ 1-24-20 12:09 * X S TAB L * * * * Slope Stability Analysis * * using the * * Method of Slices * * * * Copyright (C) 1992 - 2002 * * Interactive Software Designs, Inc. * * Moscow, ID 83843, U.S.A. * * * * All Rights Reserved * * * * Ver. 5.206 96 1952 * ****************************************** Problem Description : Vogl Pond A Seismic SEGMENT BOUNDARY COORDINATES 6 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 .0 100.0 116.0 100.0 1 2 116.0 100.0 119.0 100.0 3 3 119.0 100.0 134.0 100.0 1 4 134.0 100.0 146.0 96.0 1 5 146.0 96.0 224.0 70.0 4 6 224.0 70.0 300.0 70.0 5 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right 1 Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 3 4 4 4 3 5 5 5 3 6 6 6 3 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 116.0 100.0 116.1 96.0 119.0 100.0 119.1 96.0 .0 96.0 116.1 96.0 119.1 96.0 146.0 96.0 116.1 96.0 116.2 70.0 119.1 96.0 119.2 70.0 .0 70.0 116.2 70.0 119.2 70.0 224.0 70.0 116.2 70.0 116.3 69.0 119.2 70.0 119.3 69.0 .0 69.0 116.3 69.0 119.3 69.0 300.0 69.0 116.3 69.0 116.4 66.0 119.3 69.0 119.4 66.0 116.4 66.0 119.4 66.0 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 2 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 95.00 2 116.00 95.00 3 119.00 74.00 4 224.00 71.00 5 300.00 71.00 A horizontal earthquake loading coefficient of .096 has been assigned A vertical earthquake loading coefficient of .000 has been assigned A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally 3 spaced along the ground surface between x = 219.0 ft and x = 240.0 ft Each surface terminates between x = 112.0 ft and x = 120.0 ft Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 40.0 ft 7.0 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 -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 18 coordinate points Point x -surf y -surf No. (ft) (ft) 1 224.53 70.00 2 217.56 69.34 3 210.56 69.02 4 203.56 69.04 5 196.57 69.40 6 189.61 70.10 4 7 182.69 71.13 8 175.82 72.50 9 169.03 74.20 10 162.33 76.22 11 155.73 78.57 12 149.26 81.23 13 142.92 84.20 14 136.73 87.48 15 130.71 91.05 16 124.87 94.90 17 119.23 99.04 18 118.04 100.00 **** Simplified BISHOP FOS = 1.530 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Pond A Seismic 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. 1.530 207.48 213.61 144.61 224.53 118.04 1.003E+07 2. 1.543 195.85 196.43 127.47 220.11 112.57 1.020E+07 3. 1.553 199.61 168.43 105.58 237.79 119.28 1.097E+07 4. 1.554 196.70 160.59 100.41 240.00 116.71 1.212E+07 5. 1.554 197.62 164.03 102.69 238.89 117.39 1.173E+07 6. 1.555 198.59 166.89 104.93 238.89 117.76 1.161E+07 7. 1.556 195.53 158.80 98.82 238.89 116.18 1.212E+07 8. 1.558 194.53 150.04 89.95 235.58 119.85 1.049E+07 9. 1.559 194.67 160.38 100.62 238.89 114.22 1.273E+07 10. 1.562 194.21 159.24 99.80 238.89 113.91 1.284E+07 5 PNDAS 1-24-20 12;12 200 160 40 Vogl Pond A Sec H Static 10 most critical surfaces, MINIMUM BISHOP FOS = 2.087 I 1 , I I 1 1 0 40 80 120 160 200 240 280 320 X—AXIS (feet) PROFIL 12:12 ft FILE: PNDAS 1-24-20 Vogl Pond A Sec H Static 21 6 .0 100.0 116.0 100.0 1 116.0 100.0 119.0 100.0 3 119.0 100.0 134.0 100.0 1 134.0 100.0 146.0 96.0 1 146.0 96.0 224.0 70.0 4 224.0 70.0 300.0 70.0 5 116.0 100.0 116.1 96.0 1 119.0 100.0 119.1 96.0 3 .0 96.0 116.1 96.0 4 119.1 96.0 146.0 96.0 4 116.1 96.0 116.2 70.0 4 119.1 96.0 119.2 70.0 3 .0 70.0 116.2 70.0 5 119.2 70.0 224.0 70.0 5 116.2 70.0 116.3 69.0 5 119.2 70.0 119.3 69.0 3 .0 69.0 116.3 69.0 6 119.3 69.0 300.0 69.0 6 116.3 69.0 116.4 66.0 6 119.3 69.0 119.4 66.0 3 116.4 66.0 119.4 66.0 6 SOIL 6 114.0 126.0 50.0 29.00 .000 .0 1 118.0 128.0 70.0 30.00 .000 .0 1 112.0 115.0 .0 .00 .000 .0 1 119.0 129.0 .0 35.00 .000 .0 1 110.0 133.0 .0 15.00 .000 .0 1 126.0 135.0 100.0 28.00 .000 .0 1 WATER 1 62.40 5 .0 95.0 116.0 95.0 119.0 74.0 224.0 71.0 300.0 71.0 CIRCL2 20 20 219.0 240.0 40.0 7.0 112.0 120.0 -5.0 -45.0 1 XSTABL File: PNDAS 1-24-20 12:12 ****************************************** * XSTABL * * Slope Stability Analysis * using the * Method of Slices * * Copyright (C) 1992 - 2002 * Interactive Software Designs, Inc. * Moscow, ID 83843, U.S.A. * * All Rights Reserved * * Ver. 5.206 96 - 1952 ****************************************** Problem Description : Vogl Pond A Sec H Static SEGMENT BOUNDARY COORDINATES 6 SURFACE boundary segments Segment x -left y -left x -right y -right Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 .0 100.0 116.0 100.0 1 2 116.0 100.0 119.0 100.0 3 3 119.0 100.0 134.0 100.0 1 4 134.0 100.0 146.0 96.0 1 5 146.0 96.0 224.0 70.0 4 6 224.0 70.0 300.0 70.0 5 15 SUBSURFACE boundary segments Segment x -left y -left x -right y -right 1 Soil Unit No. (ft) (ft) (ft) (ft) Below Segment 1 3 4 4 4 3 5 5 5 3 6 6 6 3 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 116.0 100.0 116.1 96.0 119.0 100.0 119.1 96.0 .0 96.0 116.1 96.0 119.1 96.0 146.0 96.0 116.1 96.0 116.2 70.0 119.1 96.0 119.2 70.0 .0 70.0 116.2 70.0 119.2 70.0 224.0 70.0 116.2 70.0 116.3 69.0 119.2 70.0 119.3 69.0 .0 69.0 116.3 69.0 119.3 69.0 300.0 69.0 116.3 69.0 116.4 66.0 119.3 69.0 119.4 66.0 116.4 66.0 119.4 66.0 ISOTROPIC Soil Parameters 6 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. 1 114.0 126.0 50.0 29.00 .000 .0 1 2 118.0 128.0 70.0 2 30.00 .000 .0 1 3 112.0 115.0 .0 .00 .000 .0 1 4 119.0 129.0 .0 35.00 .000 .0 1 5 110.0 133.0 .0 15.00 .000 .0 1 6 126.0 135.0 100.0 28.00 .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 ********************************** PHREATIC SURFACE, ********************************** Point x -water y -water No. (ft) (ft) 1 .00 95.00 2 116.00 95.00 3 119.00 74.00 4 224.00 71.00 5 300.00 71.00 A critical failure surface searching method, using a random technique for generating CIRCULAR surfaces has been specified. 400 trial surfaces will be generated and analyzed. 20 Surfaces initiate from each of 20 points equally spaced along the ground surface between x = 219.0 ft and x = 240.0 ft Each surface terminates between x = 112.0 ft and x = 120.0 ft 3 Unless further limitations were imposed, the minimum elevation at which a surface extends is y = 40.0 ft 7.0 ft line segments define each trial failure surface. ANGULAR RESTRICTIONS inclined The first segment of each failure surface will be within the angular range defined by Lower angular limit -45.0 degrees Upper angular limit :_ -5.0 degrees Factors of safety have been calculated by the : * * * * * SIMPLIFIED BISHOP METHOD * * * * * The most critical circular failure surface is specified by 18 coordinate points Point x -surf y -surf No (ft) (ft) 1 224.53 70.00 2 217.56 69.34 3 210.56 69.02 4 203.56 69.04 5 196.57 69.40 6 189.61 70.10 7 182.69 71.13 8 175.82 72.50 9 169.03 74.20 10 162.33 76.22 11 155.73 78.57 12 149.26 81.23 13 142.92 84.20 14 136.73 87.48 4 15 130.71 91.05 16 124.87 94.90 17 119.23 99.04 18 118.04 100.00 **** Simplified BISHOP FOS = 2.087 **** The following is a summary of the TEN most critical surfaces Problem Description : Vogl Pond A Sec H Static 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. 2.087 207.48 213.61 144.61 224.53 118.04 1.039E+07 2. 2.128 199.61 168.43 105.58 237.79 119.28 1.133E+07 3. 2.129 195.85 196.43 127.47 220.11 112.57 1.057E+07 4. 2.133 194.53 150.04 89.95 235.58 119.85 1.082E+07 5. 2.137 198.59 166.89 104.93 238.89 117.76 1.198E+07 6. 2.138 197.62 164.03 102.69 238.89 117.39 1.210E+07 7. 2.143 196.70 160.59 100.41 240.00 116.71 1.251E+07 8. 2.146 197.01 166.78 103.77 234.47 117.64 1.141E+07 9. 2.146 195.53 158.80 98.82 238.89 116.18 1.250E+07 10. 2.150 193.78 156.61 93.90 230.05 118.93 1.036E+07 * * * END OF FILE * * * 5 February 3, 2020 Board of County Commissioners 915 Tenth Street P. O. Box 758 Greeley CO 80632 RECEIVED FEB 0 4 2020 WELD COUNTY COMMISSIONERS RE: Division of Reclamation Minng and Safety, Mine Land Reclamation Board (112) Operation Reclamation Permit Application, Weld County, Colorado; Shores Gravel Mine #M-1998-013- AM03, Vogl Amendment Dear Board: Bestway Concrete & Aggregate is applying for a MLRB permit to mine sand at the project site Parcel 1 of the site is within the northwest 1/4 of Section 1, Township 2 North, Range 68 West of the 6th Principal Meridian. Parcel 2 of the site is within the southwest 1/4 of Section 36, Township 3 North, Range 68 West of the 6th Principal Meridian. Parcel 3 of the site is within the east 1/2 of the southwest 1/4 of Section 36, Township 3 North, Range 68 West of the 6th Principal Meridian. The site is generally bounded on the south by the existing Shores mine, on the north and by the St. Vrain River, and on the east and west by rural residential, fallow fields, and undeveloped parcels. The project is located in Weld County, Colorado. As required by the DRMS regulations, we have enclosed the following information for your review: • Notice of Filing Application form • Construction Material Regular (112) Operation Reclamation Permit application form • Exhibit B Index Map • Exhibit C Mining Plan Map • Exhibit F Reclamation Plan Map If you have any questions, please feel flee to contact me at 303-833-1416, ext. 202. Sincerely, CIVIL RESOURCES, LLC Andy Rodriguez, P.E. Civil Engineer J:IBestway-2131vogl\NoticesINOTICE Cltr Cnty Cmmsrs.doc -5 - Maas and Exhibits: Two (2) complete, unbound application packages must be submitted. One complete application package consists of a signed application form and the set of maps and exhibits referenced below as Exhibits A -S, Addendum 1, and the Geotechnical Stability Exhibit. Each exhibit within the application must be presented as a separate section. Begin each exhibit on a new page. Pages should be numbered consecutively for ease of reference. If separate documents are used as appendices, please reference these by name in the exhibit. With each of the two (2) signed application forms, you must submit a corresponding set of the maps and exhibits as described in the following references to Rule 6.4, 6.5, and 1.6.2(1)(b): EXHIBIT A EXHIBIT B EXHIBIT C EXHIBIT D EXHIBIT E EXHIBIT F EXHIBIT G EXHIBIT H EXHIBIT I EXHIBIT J EXHIBIT K EXHIBIT L EXHIBIT M EXHIBIT N EXHIBIT O EXHIBIT P EXHIBIT Q EXHIBIT R EXHIBIT S Rule 1.6.2(1)(b) Rule 6.5 Legal Description Index Map Pre -Mining and Mining Plan Map(s) of Affected Lands Mining Plan Reclamation Plan Reclamation Plan Map Water Information Wildlife Information Soils Information Vegetation Information Climate Information Reclamation Costs Other Permits and Licenses Source of Legal Right -To -Enter Owners of Record of Affected Land (Surface Area) and Owners of Substance to be Mined Municipalities Within Two Miles Proof of Mailing of Notices to County Commissioners and Conservation District Proof of Filing with County Clerk or Recorder Permanent Man -Made Structures ADDENDUM 1- Notice Requirements (sample enclosed) Geotechnical Stability Exhibit (any required sections) The instructions for preparing Exhibits A -S, Addendum 1, and Geotechnical Stability Exhibit are specified under Rule 6.4 and 6.5 and Rule 1.6.2(1)(b) of the Rules and Regulations. If you have any questions on preparing the Exhibits or content of the information required, or would like to schedule a pre -application meeting you may contact the Office at 303-866-3567. Responsibilities as a Permittee: Upon application approval and permit issuance, this application becomes a legally binding document. Therefore, there are a number of important requirements which you, as a permittee, should fully understand. These requirements are listed below. Please read and initial each requirement, in the space provided, to acknowledge that you understand your obligations. If you do not understand these obligations then please contact this Office for a full explanation. 1. Your obligation to reclaim the site is not limited to the amount of the financial warranty. You assume legal liability for all reasonable expenses which the Board or the Office may incur to reclaim the affected lands associated with your mining operation in the event your permit is revoked and financial warranty is forfeited; -6- 2. The Board may suspend or revoke this permit, or assess a civil penalty, upon a fmding that the permittee violated the terms or conditions of this permit, the Act, the Mineral Rules and Regulations, or that information contained in the application or your permit misrepresent important material facts; 3. If your mining and reclamation operations affect areas beyond the boundaries of an approved permit boundary, substantial civil penalties, to you as permittee can result; 4. Any modification to the approved mining and reclamation plan from those described in your approved application requires you to submit a permit modification and obtain approval from the Board or Office; 5. It is your responsibility to notify the Office of any changes in your address or phone number; 6. Upon permit issuance and prior to beginning on -site mining activity, you must post a sign at the entrance of the mine site, which shall be clearly visible from the access road, with the following information (Rule 3.1.12): a. the name of the operator; b. a statement that a reclamation permit for the operation has been issued by the Colorado Mined Land Reclamation Board; and, c. the permit number. 7. The boundaries of the permit boundary area must be marked by monuments or other markers that are clearly visible and adequate to delineate such boundaries prior to site disturbance. 8. It is a provision of this permit that the operations will be conducted in accordance with the terms and conditions listed in your application, as well as with the provisions of the Act and the Construction Material Rules and Regulations in effect at the time the permit is issued. 9. Annually, on the anniversary date of permit issuance, you must submit an annual fee as specified by Statute, and an annual report which includes a map describing the acreage affected and the acreage reclaimed to date (if there are changes from the previous year), any monitoring required by the Reclamation Plan to be submitted annually on the anniversary date of tie permit approval. Annual fees are for the previous year a permit is held. For example, a permit with the anniversary date of July 1, 1995, the annual fee is for the period of July 1, 1994 through June 30, 1995. Failure to submit your annual fee and report by the permit anniversary date may result in a civil penalty, revocation of your permit, and forfeiture of your financial warranty. It is your responsibility, as the permittee, to continue to pay your annual fee to the Office until the Board releases you from your total reclamation responsibility. 10. For joint venture/partnership operators: the signing representative is authorized to sign this document and a power of attorney (provided by the partner(s)) authorizing the signature of the representative is attached to this application. -7 - NOTE TO COM IENTORS/OBJECTORS: It is likely there will be additions, changes, and deletions to this document prior to final decision by the Office. Therefore, if you have any comments or concerns you must contact the applicant or the Office prior to the decision date so that you will know what changes may have been made to the application document. The Office is not allowed to consider comments, unless they are written, and received prior to the end of the public comment period. You should contact the applicant for the final date of the public comment period. If you have questions about the Mined Land Reclamation Board and Office's review and decision or appeals process, you may contact the Office at (303) 866-3567. - iv - COMPLIANCE WITH OTHER LAWS: Compliance with the Act and Rules and Regulations of the Mined Land Reclamation Board DOES NOT relieve you of your responsibility to comply with all other applicable state and federal laws. We recommend that you contact the following agencies to determine whether you need to comply with their legal requirements: o The Colorado State Historical Preservation Office regarding properties of historical significance including the need for an archeological survey, procedures for requesting a file search, and inventory forms to identify structures. o Colorado Division of Water Resources with regard to water rights; o Colorado Department of Health, Water Quality Control Division, with regard to the discharge of pollutants into the State waters; o Colorado Department of Health, Air Pollution Control Division, with regard to the need for a fugitive dust permit; o U.S. Bureau of Land Management or the U.S. Forest Service if the proposed operation will occur on federal lands; o U. S. Army Corps of Engineers regarding a dredge and fill (404) permit; and o The County Planning Department for the county or counties in which your proposed operation is located. Section 34-32.5-109(3), C.R.S, requires a mining operator to be responsible for assuring that the mining operation and the post -mining land use comply with local land use regulations and any master plan for extraction adopted pursuant to Section 34-1-304, C.R.S. COMPLETION OF MINING: Upon completion of any phase of reclamation, you should consult Rule 3.1 for reclamation standards and 4.16 for details on how to request a reclamation responsibility release from the Board. STATE OF COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866-3567 FAX: (303) 832-8106 CONSTRUCTION MATERIALS REGULAR (112) OPERATION RECLAMATION PERMIT APPLICATION FORM COLORADO DIVISION OF RECLAMATION MINING —&— SAFETY CHECK ONE: Iv 1 ThELere is a File Number Already Assigned to this Operation Permit # M - 1998 013 (Please reference the file number currently assigned to this operation) New Application (Rule 1.4.5) Amendment Application (Rule 1.10) Conversion Application (Rule 1.11) Permit # M 1298 Q13 (provide for Amendments and Conversions of existing permits) The application for a Construction Materials Regular 112 Operation Reclamation Permit contains three major parts: (1) the application form; (2) Exhibits A -S, Addendum 1, any sections of Exhibit 6.5 (Geotechnical Stability Exhibit; and (3) the application fee. When you submit your application, be sure to include one (1) complete signed and notarized ORIGINAL and one (1) copy of the completed application form, two (2) copies of Exhibits A -S, Addendum 1, appropriate sections of 6.5 (Geotechnical Stability Exhibit, and a check for the application fee described under Section (4) below. Exhibits should NOT be bound or in a 3 -ring binder; maps should be folded to 8 1/2" X 11" or 8 1/2" X 14" size. To expedite processing, please provide the information in the format and order described in this form. GENERAL OPERATION INFORMATION Type or print clearly, in the space provided, ALL information requested below. 1. Applicant/operator or company name (name to be used on permit): Bestway Concrete Company 1.1 Type of organization (corporation, partnership, etc.): Incorporated 2. Operation name (pit, mine or site name): 3. Permitted acreage (new or existing site): 3.1 Change in acreage (+) 3.2 Total acreage in Permit area Shores Gravel MineNogi Amendment 370.1 140.7 510.8 permitted acres acres acres 4. Fees: 4.1 New Application $2,696.00 application fee 4.2 New Quarry Application $3,342.00 quarry application 4.4 Amendment Fee $2,229.00 amendment fee 4.5 Conversion to 112 operation (set by statute) $2,696.00 conversion fee 5. Primary commoditie(s) to be mined: sand gravel top soil 5.1 Incidental commoditie(s) to be mined: 1. lbs/Tons/yr 2. / lbs/Tons/yr 3. / lbs/Tons/vr 4. / lbs/Tons/yr 5. / lbs/Tons/yr 5.2 Anticipated end use of primary commoditie(s) to be mined: 2028 5.3 Anticipated end use of incidental commoditie(s) to be mined: -2- 6. Name of owner of subsurface rights of affected land: Vogl If 2 or more owners, "refer to Exhibit O". 7. Name of owner of surface of affected land: Vogl 8. Type of mining operation: Surface El Underground 9. Location Information: The center of the area where the majority of mining will occur: COUNTY: Weld Southwest Quarter Of Section 36, Township 3 North, Range 68 West, And In The Northwest Quarter Of Section 1, Township North, Range 68 West, All In The 6th P.M., County Of Weld, State of Colorado PRINCIPAL MERIDIAN (check one): 6th (Colorado) 10th (New Mexico) Elite SW 1/4 SEC 36 8 NW 1/4 SEC 1 SECTION (write number): S TOWNSHIP (write number and check direction): T 3 ✓ North El South RANGE (write number and check direction): R 68 El_ East n West QUARTER SECTION (check one): E 11 El SW QUARTER/QUARTER SECTION (check one): LI NE • • ' NW SE SW GENERAL DESCRIPTION: (the number of miles and direction from the nearest town and the approximate elevation): Located in unincorporated Weld County, -1 mile from Firestone. 10. Primary Mine Entrance Location (report in either Latitude/Longitude OR UTM): Latitude/Longitude: Example: (N) 39° 44' 12.98" (W) 104° 59' 3.87" Latitude (N): deg min sec (2 decimal places) Longitude (W): deg min sec (2 decimal places) OR Example: (N) 39.73691° (W) -104.98449° Latitude (N) (5 decimal places) Longitude(W) (5 decimal places) OR Universal Tranverse Mercator (UTM) Example: 201336.3 E NAD27 Zone 13 4398351.2 N UTM Datum (specify NAD27, NAD83 or WGS 84) Nad 83 Zone 13 Easting 503707.00 m E Northing 4447223.00 m N -3- 11. Correspondence Information: APPLICANT/OPERATOR (name, address, and phone of name to be used on permit) Contact's Name: Mark Johnson Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: Burnco dba Bestway Concrete Company Title: Compliance Manager/ Facilities and Acquisitions 301 Centennial Milliken P.O. Box: Colorado (970 ) _ 587 7277 Zip Code: 80543 PERMITTING CONTACT (if different from applicant/operator above) Contact's Name: Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: INSPECTION CONTACT Contact's Name: Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: Andy Rodriguez Title: Project Manager Civil Resources 323 5th Street Frederick P.O. Box: 680 Colorado (303 ) _ 833 1416 ( Zip Code: 80530 Mark Johnson Burnco dba Bestway Concrete Company Title: Compliance Manager / Facilities and Acquisitions 301 Centennial Milliken P.O. Box: Colorado (970 ) _ 587 7277 ( )- Zip Code: 80543 CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) -4- 12. Primary future (Post -mining) land use (check one): Li Cropland(CR) E Pastureland(PL) ID Rangeland(RL) I Forestry(FR) fjResidential(RS) n Recreation(RC) _riDeveloped Water Resources(WR) 13. Primary present land use (check one : © Cropland(CR) Pastureland(PL) rt Rangeland(RL) Forestry(FR) Residential(RS) I Recreation(RC) Developed Water Resources(WR) -t1 II 14. Method of Mining: Briefly explain mining method (e.g. truck/shovel): General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) Solid Waste Disposal(WD) General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) slurry wall and dry mine using excavator, haul truck, loader and conveyor belts 15. On Site Processing: _IDCrushing/Screening 13.1 Briefly explain mining method (e.g. truck shovel): processing will occur on the main Shores Gravel mine site. List any designated chemicals or acid -producing materials to be used or stored within permit area: NA 16. Description of Amendment or Conversion: If you are amending or converting an existing operation, provide a brief narrative describing the proposed change(s). Additional land to the north of the existing Shores Gravel mine to be used to convey material to the Shores Gravel Mine to produce crushed rock, top soil, sand and gravel and building -8 - Certification: As an authorized representative of the applicant, I hereby certify that the operation described has met the minimum requirements of the following terms and conditions: 1. To the best of my knowledge, all significant, valuable and permanent man-made structure(s) in existence at the time this application is filed, and located within 200 feet of the proposed affected area have been identified in this application (Section 34-32.5-115(4)(e), C.R.S.). 2. No mining operation will be located on lands where such operations are prohibited by law (Section 34-32.5-115(4)(f), C.R.S.; 3. As the applicant/operator, I do not have any extraction/exploration operations in the State of Colorado currently in violation of the provisions of the Colorado Land Reclamation Act for the Extraction of Construction Materials (Section 34-32.5-120, C.R.S.) as determined through a Board fmding. 4. I understand that statements in the application are being made under penalty of perjury and that false statements made herein are punishable as a Class 1 misdemeanor pursuant to Section 18-8-503, C.R.S. This form has been approved by the Mined Land Reclamation Board pursuant to section 34-325-112,CRS., of the Colorado Land Reclamation Act for the Extraction of Construction Material& Any alteration or modification of this form shall result in voiding any permit issued on the altered or modified form and subject the operator to cease and desist orders and civil penalties for operating without a permit pursuant to section 34-32.5-123, CRS. Signed and dated this 141 day of Applicant/Operator or Company Name Signed: Title: Shy' State of LU ) )ss. County of //Chid) The foregoing instrument was acknowledged before me this /7 v by -/f•14,"1- as If Corporation Attest (Seal) Signed: Corporate Secretary or i `'va ent Town/City/County Clerk day of f /w► f MADALINE KNIPP Notary Public State of Colorado Notary ID # 20054037804 My Commission Enires 06-07-2021 of otary Public y Commission expires: 4/ /. / SIGNATURES MUST BE IN BLUE INK You must post sufficient Notices at the location of the proposed mine site to clearly identify the site as the location of a EXHIBIT B — INDEX MAP Please refer to the attached index map , www: , if AiY� `55 o kr\ S * , sipA, „,,,„,, ` ro �wm n yo: '� ^b.nAt 30,...,ik .0,-- \ ar, g. ._ ., *ell ior it erarlo:seits CI AMENDED V0GL • PARCEL I.,. ‘e, , it y WCR26 CHA N , a 4 , as +. I EXISTING SHORES ' , GRAVEL MINE IF MB IIIIIIi 14, •.k 7aaM. . ]]iii- .. ‘City • :ill 11., titekr ••,.)701" :..14:W'aAVr' riL., rvi .4 WJP'yl Y.:n. rw" . . 9 r, , ,, c)--06r 44434 aK _ �:• .fir _ a aft. Y ;,- # ' nra' 'INN.,‘ i AA 14: -wriiaNii.\\Ii r 0 I 44400 w•n.. a , 0 ,,,,,,L. iv,-,„3 , , ... ill ... " , : , W, WCR24/HWY 119 .. e _. it 4 2 1 .°e I Fl I 435 ►: ....j :1 ttek/111 i / 10 S t • / x A% Ilt Bestway Concrete & Aggregates —Vogl Amendment-Shores Mine — MLRB 112 Permit Amendment Application Exhibit B - 1 EXHIBIT C - PRE -MINING AND MINING PLAN MAPS OF AFFECTED LANDS Please refer to the attached Existing Conditions Map and Mining Plan Map. Bestway Concrete & Aggregates — Vogl Amendment -Shores Mine — MLRB 112 Permit Amendment Application Exhibit C -1 x / fE, r 1 10,4,4„.. . � , >rriyrr 6 -l► � LEGEND: - , ; I J / , -ham . — _ .. ♦ C.../ ® MONITORING WELL 3 EDGE OF ASPHALT �� y,ry y>r 1 i Ikr A- I 1 j b , ———— EDGE OF GRAVEL EH ELECTRIC BOX EDGE OF RECLAIMED I III CIVIL RES'°�URCES, LLC NORTH GRAVEL NINENr 1 EDGE OF CONCRETE ® ELECTRIC METER '' �j 11 i i i 11 f 323 5th STREET POWER POLE o 1ao 2ND I - - 4 e BUILDING t° y i - FREDERICK,CO 80530 P.O.BOx 680 -..-. FLOWUNE ® GAS WELL 1 m FM) NOM.PATH / , I I°I 11 m M 117 303.833.1416 �*+ I I'1 FLOOD ZONE"AE" 4,►®d WWW.CIVILRESOURCES.COM GAS MARKER I IN 3f FENCE UNE of II 1�1� II . 3 ———— PIPE STEEL POST / ml —GAS— GAS LINE 1M WOOD POST A >lT+ ' 1 AI I� OS SANITARY MANHOLE / -w— WATER LINE �s I i i II 44* r SANITARY MARKER / i� I I I ®pi` OHE— OVERHEAD POWER LINE ti i Iml t i II 55— SANITARY UNE = MAILBOX ! 51 N(yF'IN RIVER"-- 11 x11 '‘IT\I BESTWAY CONCRETE&AGGREGATE - — ONER UNE TELEPHONE PEDESTAL I, I i Iim1 r— UNDERGROUND UNDERGROUND PTELEPHONE LINE D a"^" III -�_ I i L�11 t 1 1111r"rr y 301 CENTENNIAL DR. CH. DRAINAGE MANHOLE i —� I i 1 i D4 WATER VALVE I ,T� �a0'Km. RfC b azsai EU. ENT I 1 111 11 �yY MILURE 970 87 0 803 TOP OF BANK Ii VIII I II 1111 CONTACT:MARK JOHNSON TOE OF BANK o WATER METER , 11 ' l. l 77 WATER MARKER 1 z0'CRASH 1'y ILL I ____ N88_21'28"E 13 1 _7a_:4171 __—__ 1./ 11111 asfi - ONE FOOT CONTOUR J - _ 1 MWz I `ir1� tyy i 4035-- 5 FOOT CONTOUR 1 SIGN /�,i ----- I - 111 FOUND ALIQUOT CORNER a I _ --- SECTION LINE qs DESCRIBED ��VV��u 2B 11\I ' uREn Rlcrli of war® `f zR!�'' EASEMENTPROPERTY LINE ® SETALIQUOTCORNER9144 ACRE WET26'OFFSET I— (.If Il" 1.1 ry•�' 6 REC 02190933 AS DESCRIBED MINED& ct1Y �m , T -A A Z A A A FLOODPLAIN I 30'OFFSET NATIVE GRADE DE Inv fi;imi 9 1. 2:1 NpT1VE GRADE a.�aP �� POTENTIAL WETLANDS `' I =aa1z.3�,� UI � 11 I - .5''OFFSET z {j1F7 IS'OFFSET II epfil) a_.,,.______/- _.,,.� 0 TOFF ET IiI . fir Q STRUCTURE �'� U ,. I ^ z cw Ce PROPOSED PERMIT BOUNDARY , '` I IlI i. i �' _ G .I Q - PROPERTY LINE ^"""' --0315.6 p ' z --53FE:4820F BASE FLOOD ELEVATION 1 + Sx Y I A. ! J c i _, OCL 33N sHZ` y�.y. ? i A G U VDGL STATE 39N Z' ;1- k ry, 4, }� - 11 Z1 A E fn1 URA(DIIG'H I.0 M0GL 13C 35HZ / ~3 3'° ti y V PaI ,ID 3:1 r gENRN Q n000c000 PROPOSED CONVEYOR BELT v6cL srATE _ 1vY tl I� IiIL'I CELL AA F } i6c 36H2 Nillt.4� iba. dI/-+Mwl \21.4 ACRES kti A e 4f Q W � VDGL 34N 35HZ V'r A 1tf RECEPTION 4 2140933 e,,o- ,„/ , !/ � ;) I RECLAIMED TO I n ® I z≤ c Z .l GM. 7AiL aleffN4 I I 'L r LINED WATER STORAGE 1 {� 'I�0 INV 48155 36"x60"PCP I FL000 ZONE 'AE' ' 1 �-%� 1111411 'I. INv 481sa 2IK''''''''' BPRDED // YyY> 11 •1.1Ii 'ELI I PEMOVED , ININC7 _ Lr ')/�l/��l yrrYY] YYYY77yY1 E!4 6"xfi0"RC J `JI � 'II FAcllltt REC fi418250NINV=4015.5'Il15'CMPWITHMETEAINC- `o II xl1lS"f/f.1 f EOUIPMENi' Iw1 2�� , IIIII�IIlI R10 T OF—WAY La °kJ/ I 4"WC Q ILI - I - ENT C1:l.Yl ` A,' 1 V=481 T.fi ex/ „r 1, a.4182501 " L6 _ . i 2 we 6 '� I 1 PROPOSED CONVEYOR VOID V 48 V 50 RAILROAD V1 I OPTION a 25 OFFSET li f9 28.]2'OFFSET— 11 U111J1YPEASEMENT // E.' 20'OFFSET REC 11264 /////I��-n- � �.�'10 INV 021 FLOODPLAIN INFO: APPLICANT: 25'OFFSETliI »I»i =moo T6 vEmICAL CMP CELL 2A 11 + ,� ' iB fi5 SITE ACCES , ,. 9 ��!r� -•,-- �, - --- __ 1+' 12'CMP WITH METERING EOUIPMENi FLOODPLAIN INFO IS FROM BESTWAY CONCRETE COMPANY,INC CELL ACRE TI c1 H 1 —��w�+=+.�--r.�,.w__--- - �' PFIRMAN FLOOD INSURANCE RATE MAP MIL CENTENNIAL DRIVE I RECLAIMED TO n.n n 1a3z 1 i .,I •'0 3s IVER CAL CRP PAVEMENT eL«N eu slam w .` - nc c na EFFECTIVE NO. AT JANUA MIWKER CO 60543 LINED WATER' ORAGE S°I ' 171 , L RECEPTION 4204764 .IUVI ! ET PLUME •a; EFFECTIVE DATE:JANUARY 20,2016 Ti.,.. IIII ' 1111 Y - a ,F"�",,� NOTES: AFFECTED LANDS: REVISIONS ail i PROPOSED j slam elncn CMP C0 VEVO YV(_ CIVIL RESOURCES,LLC.IS NOT RESPONSIBLE FOR c $6613'47 1 13214.70' mnc6ETac 6II� El fio Nv aev T TOP-4520.0 9 CROSSING l v '__) . . • SAFETY,IN,ON,OR ABOUT THE PROJECT SITE,NOR TRICYCLE LANE TEXAS LLC <% I - OW-NW 1 STEEL ` Y '^ o i�� I NGIMM s an. >, —Il+v=ae tom.] ' kV LOT HOLDING,LLC I , 6 3PROPOSED r RI wa FOR COMPLIANCE BY THE APPROPRIATE PARTY OF El SIINAR&VDGL rY iYV YYYyy>y>ry I .�UI II n+r 1<9c EXISTING RECHARGE coNMEYDR- ,, ffI 1 " �11 POND TO 8E RECLAIMED OPTION A l' AI ANY REGULATIONS THERETO: q 1 c am eu son !/ V A l l _ -- 0 Ill THESE MAPS WERE PREPARED BY CIVIL RESOURCES, TOTAL PERMIT AREA: ''1 - .r z1 aFdlsEr Aresos SO. II J 1410.n0N CHANCE 4' �� LLC.IN COOPERATION WITH BESTWAY CONCRETE. 510.8 ACRES AA , ---..--7 .....'-'.7-I-'1-"Z-'1'.. - -2s, sEr —_'I ! _ mhos _.,_._---L-_-_—_- � J. �� BESTWAY WILL KEEP THE DIVISION OF RECLAMATION AAA Nv .23 - �_cf Hn PROPERTY A00RE55: A \�� a 8 MINING AND SAFETY INFORMED OF ANY CHANGES MAPPE.fLODOPLAIN m"�"-"-"- � �„. CR �� 11401 COUNTY ROAD 9 3/4 "•4�— '��, snm waoO I v=ael9... �i ccll.�ooe'-'On�=c o.�� TO THE MINING OR RECLAMATION PLANS THROUGH 1i'0 N�„-„�,,.,,.,,.,,.��-""-""'-"- "�" "`' .moMFn NnaL� .I, LA lI ^ ANNUAL REPORTS AND FILE TECHNICAL REVISIONS FIRESTONE,CO 80504 i s mn MP ❑r1rTi'^ ^ 11'1 '� 1324.9;^ 080000EO CONVERT/ M1 AND AMENDMENT APPLICATIONS AS NECESSARY YYYY1 !-- - ` OPTION B KE - ‘4'.7-4‘. rRf-Tfi7wry DRAINAGE THROUGHOUT THE LIFE OF THE MINE. / -`� JOo 'g �j roP-'�aei33 I TE,N / ,. " SURVEY INFO: l�_ � f PRIOR TO CONSTRUCTION ALL UTILITY,GAS WELL, /' Tz"CMP oHveiGG OIL WELL,&WATER WELL LOCATIONS MUST BE KING SURVEYORS I (� Irvv=aeza.t If OIL WED. I ROSSIN / BARBED WIRE FENCE /, 650 E.Garden Drive I Windsor,Colorado 80550 I m T2 STEEL INV=4824. { phone:(970)686-5011 1 1 �I/ ; li{{ moll:inn @IvngSurveyors.com 30'DFFSL7 If j t I4AC /(LINER APRi0W0) 7 T FLOOD ZONE"X" NININC CONPIFIEk RURAL DITCH a NO FLOODING PO90 EEGAIMFD 31 II II EMO EDTOCRING C'I' ' Q MINING ANO • RECONSTRUCTED N F A£ �� A +' 2O cn I P15,m VARIES FROM MINE PERMIT/PROPERTY LINE/ROW OR EASEMENT,NO LESS THAN 20' [ J F DESIGNED BIT ARR DATE:Fen aa.zozo �/ CELL 1 I Fur RIASE 3tl.tl1'tlFF5 I ti � A DRAWN eY: ARR SCALE:AS NOTED (/yam PRIVATE v !/ CHECKED BY: ARR AS NOTED o TEMPORARY TOPSOIL / LATERAL 22.2 ACRE WET / // 9 AC4/- o -X30.0' �/ I, MINED& I Tl Wm'c COMPLETE R. STOCKPILE A Q ]OB NO.: 213.001.38 cm SETBACK I RECLAIMED TO H I7. D I DWG NAME:ORMS-VOGL.DWG II 3 ❑ ❑ 50'KMGc RIGHT-OF-WAY EAS JJ a E Y Li M1 �� ^— A it ] NATIVE GRADE _ _ EXISTING GRADE 120'FUTURE ORAINAGEWAY �e PHASE 1 n ❑ /n/ Y q:COG4T/aN GROUNDWATER SLURRY WALL 30'OFFSET j .�e'rwr� / qAI BY TOWN OF FIRESTONE TABLEI PHASES 2-3 Q------I _O M'CPP I ll y MINING PLAN II\\ iNV=482].3 ] 24.82']n.9 zc•OFFSET _ PURAL�� c POLE A A F A A A A .-- tL • ,_a _Et C LF LF<• F4Lt GCF .�. W ++,,,.,,,.,ans,s.r+.,,,r+.,,.,,,,,,rrrr,+rr+,+,,,+,+n,.rrr+rn,.,,...,,r,,,r,,.,r, rr„nr„nn .,,,.,,.,,, rr,rrrnr = DEWATERING TRENCH POSITIVE ' _ " -5.0 J 688'13'10"E 1338.287:-.; BOTTOM OF N�I Esi _— - a 2�' rn DRAINAGE TO SUMP GRAVEL RESERVE �� =-'_ �.'_ -� _._ ' — ��-'� EL _2 12"CMP EX.g1/gAL U.UL'N t' SHEET: 3 � --/— —�s� re _ ___-- - "— �F']. I,W=6626.1 — % TIE CONVEYOR INTO EXISTING- (AI£.YAL I 8 TYPICAL TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION � G/ti UNE TO T E SOUTH /�� a NOT TO SCALE ' IIIIIIIIM 24"fiMP BMEEO-WIRE FENCE �" '✓�I ICPOND A NC ON SHORES I II _� w i INV:-M'0 4 _I1 I �n > n a m m,,... ,m n lm,.m m�.n rmn N m n.m.n 1®M Ip„ V s ^ .-r (. T 3 73 a 41'LEGEND: \ 1 CC."'..'.. ',„,, -——- EDGE OF ASPHALT ® MONITORING WELL I ii of( 1 i I L 7 ` ��_ / / \ ' ® ELECTRIC BOX nl EDGE OF RECLWMEO I h I 1 I�` I � / /,n � / \ ` I. -——- EDGE OF GRAVEL GRAVEL mm-----_.... .....„,_ _ I 1 _/ /,� �\ /\ ® ELECTRIC METER -` /1 \'� ,'�I I \ �� /iY� 7.AA_IF \'\\ I CIVIL RES' URCES, LLC EDGE OF CONCRETE 3 -7- ---0 BUILDING POWER POLE io ,z !z !� T - I i\— 1 y 1 . \ I 1\I /I�� ) \ \ 1 323 5th STREET I I 4 .,.I 01 / 1 /1 ,/ /J ) ) Ws GAS WELL 1 WALHING PATH /**-'-'' ' 1' J r ; l II \ 1>l rl f( L—_ P.O.BOX 680 --— FLOWLINE W I I p; 0 FLOOD ONE;"A6"\ '� FREDERICK,CO 80530 P'sGAS MARKER z -.1\ I o �'\ m I/ ( ,r �� M( 303.833.1416 % FENCE LINE I I I 1>1t �'/ \ tJ I/ 1 y4.S, \\—_ —_I WWW.303.8E3.1416 S.COM ———— PIPE STEEL POST i� ;/'IA I'P A01$, \\11 / 111 7/s� .\\ 1 L—!af —CAS— GAS UNE II WOO POST I / '/ I / i ---\ \\ ( l \�\-r- r�te\ ``\�.< z -w— WATER UNE OIs5a SANITARY MANHOLE 'u I II'I s 1C\i�// \-t> `-h0 .L�,\n) ` SANITARY MARKER / I �)f I II '\ 7i� 1i 6 \I / V- a LNIE— OVERHEAD POWER LINE RNE I 1`1 'I- I A I L t C ��i / -ss— SANITARY UNE = MAILBOX 55. P\Nr-��' I r-`�` i ii ��` \I ( ''I 11 l/\�(�1W♦j��♦��,6..• -E— UNDERGROUND POWER UNE H TELEPHONE PEDESTAL ; —_ _�I �_ `/ 1, ti \\ Im1 7 / \�\��'� Rii'I°'rrr BESTWAY CONCRETE&AGGREGATE -T— UNDERGROUND TELEPHONE UNE Oa DRAINAGE MANHOLE T I J_II II 1 P 4G'BMOC RIGHT-OF-WAY EASEMENT ! I I \ \I��9j' .I I1� W_ 301 CENTENNIAL DR — --- TOP OF BANK SW WATER VALVE I II 111 ^ I .-1 Re)9.182501 A / I 48 coNCRE1E RIPRAP l'! T 14 _ r •�111 MILUKEN CO 80543 O WATER METER I 11 _ �,-.— `�-) I - �� 1 I ( 1 J i ..\I,1.11 1777 970$877277 TOE OF BANK \_. '^ \ \_ I� \i1 _)—__ _ —_ r--11' dBi 3 /I 1BOD roN o ,11 I N88'21'28"E SZ3:7�' — tz —�— Fl WATER MARKER ~— -�� yu'�---- -t j i� CONTACT:MARK JOHNSON - -4876-- ONE FOOT CONTOUR W I ,c I T 1 y �' I / I� ' -14H -4835-- 5 FOOT CONTOUR 1 SIGN ti U >, 1 %. rR/�—J •I I\ I1/I / A,i1ry—A— _,,,—1 1---f2INVrs5rzeL a•'"-t.:4.44 l 4,,, 11 113 1 I / ✓ I e'UREA RIGHT OF WAY FOUND ALIQUOT CORNER / {� •.d I ,,,,b.,._,2, Zh I ly --- SECTION LINE ® AS DESCRIBED 7 1 \— l 1 ,...111 f?' —^/�1 !8/Z\ \.,9 I•�` I EASEMENT PROPERTY UNE ® SET ALIQUOT CORNER — _ --' —_ �„ Il PEc azi assay AS DESCRIBED —/T. ''. /\ l , /za cMP � i. -A F 4 4/4 FLOOOPLAIN pq -4818`/ t Nv aB1 9 ^� Ff 1E1 „ POND 2B '48'8' . ,...1 4'CMP ‘,/;w.'„...771 , 41� (1'. I SLURRY WALL i GRADEOTO NATIVE I _ //4$18 INV 4812.3 ,eh •'ti,� �� 11 INFLOW/OUTFLOW SPILLWAY III •. K71 POTENTIAL WETLANDS _•• )\'` ^. / I)D I 876 !-0 LA007 FEE"4 �� I— Y�/tl /� WEINFOR E FIpW PATH ,../... // /M(( ¢3 B +'r✓•• _crnm 1 INVEITT EL 812.5 1 /- 1,'/L ITH 26,no0 SF ,--'" /! )o I a` I 0=2422 CRS o 1-7 STRUCTURE ,I— PYRu4AT - ^j i / i 69,9%' {{^^ µHoe Tons aF ta_a 11 , z — — PROPOSED PERMIT BOUNDARY 1 INFLOW 1SPILL SPILLWAY ///_ _= I _ \——J // I 1¢LI I. ONCREfH RIPPAP F I ' L L-148 FEET //- ,,( '- —� / 'Zh CMP 48/8 ,I jS "1- t. I -111 Z PROPERTY LINE !1 o-foal CPS ,„,,r-----,------------------ / � anus —��/4820^yam `' INFLOW SPLLWAY k 1_y O I InvERr¢..4678 --rBEE:4820.- BASE FLOOD ELEVATION € I .00.VCRER:RIPPAP Y V00.33N Z / • 0=1096 LF5 1 ', £A:LQG ON 2500 TONS OF 8 \ eq„"—� / F L=tn7 FEET , ,f I J SURVEY INFO: I I\ ( ♦+�- ,,.,...s."-"';;',&•„7";,•;:2,-4,7.• V0OL1.-4.Z6Hz ) 11 Pon03- AA I7, :EMMY —I LJJ O� \i/ "10,11; VOGL STATE -;51,V4.s 0RFAcEAOLEB n 1 AA h 7 W U APPLICANT: 'T• �TiU`�V UC ) •/ i6G 36HZ MWBEIII"V ` ''KING SURVEYORS S I I !f / • t �i �V00.34N 35HZ _ REMiMEOWA 3 V,v I RECEPTION 21W953 BESTWAY CONCRETE COMPANY,INC G50 E.Garden Drive I Windsor,Colorado 80550 1 I ---// �i -."T- VOGL STATE 3BN O1 j nrvPAGE t , I 9_ I 36Hz %�\ r IIi I ^ Q W 301 CENTENNIAL DRIVE phone:(070)G8GF011 I 1 I\ I L L>, I 14 by 4W75'S Z 1/ FLOOD ZONE"AE" ',,: ?1-- INFLOW/OURLOW 5P LLWAY 1 / r>' 7 i ‘,0,,,,,, ! )I 3NfiV'x6o'RCP 0 MI W KEN.CO 80543 email:inEo@KnigSurveyors.com C l/�� r rYr 9 i 11°1 T a t/a d s fi 1—I mi I , INVERT El:001 'I /1 f >>"7YYY YYY 777771 1 _4615.5 J o AFFECTED LANDS: . L=107 FEETQ I JOO'XPO'PRODUCRON NOTES. I I ,,, 0=491 CF5 ACI REC 4182901 S"CMP WIN METERING J U loi 600 TONS OF 18'm I I1Ij CI:(m/AI EQUIPMENT I ,1 CONCRETE RIPRAP - 1 '{ (IIIIIIIIII , 24"PVC ® W a TRICYCLE LANE TEXAS LLC CIVIL RESOURCES,LLC.IS NOT RESPONSIBLE FOR a ar RMGG I SAFETY,IN,ON,OR ABOUT THE PROJECT SITE,NOR , /!!!/!!� / --1 RIO r of-war LOT HOLDING,LLC I fiAR8E0 WIRE FENCE NI I , - r SEMENT [f%f/Y� I INV=4811.8 FOR COMPLIANCE BY THE APPROPRIATE PARTY OF flEMOVEa FOR MINING 1 4182501 W STINAR&VOGL a I 8� za Pvc ANY REGULATIONS THERETO. ! „i'�• 1 j'°a cm,. wv=aBl2.a ero (DC TOTAL PERMIT AREA: L _ I A PUBLIC 4SO'RAILROAD / 0�"• 1 ° y19 STEEL Nv=4Bz1 B `J 570.8 ACRES THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC.IN COOPERATION WITH BESTWAY CONCRETE. POND 2/1-25 SURFACE AcaFs II uNRuc EASEMENT _ BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MW66,4 II .I �xn � \ '"'/�` _ _ CAIP PROPERTY ADDRESS: sR6antMED wArER 1 R T i 1 / ill,• }• IY CMP�WIRILME7EPINC EQUIPMENT �_- 11401 COUNTY ROAD 9 3/4 MINING AND SAFETY INFORMED OF ANY CHANGES wunmAnmx 1132 son. �TO THE MINING OR RECLAMATION PLANS 1HROUGH — 1 , - -�_-�'�"_'�"�'-�- ��_-^_FIRESTONE,CO.80504 ( _ i aaTx rni 51OpY"w°& ' "� im .( C36'lvssam CMP PAVEMENT ANNUAL REPORTS AND FILE TECHNICAL REVISIONS !F AND AMENDMENT APPLICATIONS AS NECESSARY - ', I i 4.( 11 I L/ t RECEPTION 4204764 —-_ —PC E— a geeell THROUGHOUT THE LIFE OF THE MINE. = 9. I ' //ail k,i �\ 'L — — r � veto PRIOR TO CONSTRUCTION ALL UDUTY,GAS WELL r 11 — — — — i--uL�� 9 cM �. _ 10-cMP _ VV r/^FEMIll OIL WELL,&WATER WELL LOCATIONS MUST BE 1 caBL°RAc III J 4 f3.„.; Irry aa21.7 roP nszo.s _ - ,1 VERIFIED. _ I— �_ 58813'47 13211..70' ►i '7 1 v\ �,— i\ III s0 �'` MW—Nw AREA 194 SEEL V �,1� REVISIONS �J 11 cglw .JIII .\- REMAINED v-4821.7 vV PI I YYf0� SEEDING SPEC FOR UPLAND AREAS: 77 7p. ,777>'>>' AttNaAil I WORT MOO ovu2N0 Ort 9m ONA NE GRAD 4 A 4 --- 44 >>'Y i I A v AiMIIIIMINNI COMMON NAME SCIEN TIFlC NAME LBS AA4 I • 1 -, I W/"Ng0 m,°rT"g I Is/ I �� E2.1u7CHANCE Y '`A — � _ ^yr 1 �i I IRRIGAIiDry OITC Y .-- (VARIETY) PLS/ACRE 12 cva _ `, z-cnuN sans 'iII, -- Al INV=98230 \� � / II".,,., [f� —_— ,. 1 SANG BLUESTEM (CHAMP.CHET) 1MMP+•BQODPIax� 'a ,.,� � �, „` . liTii- Pill;fdid.ill.ri -SAND LOVEGRASS (BEND,NATIVE,NE27) 2.5 77777777771I1// //��// MT�;J --�� .. °ezasMEfE TPI-TOWN ORNNAGE INDIAN RICEGRASS (NEZPAR,RIMROCK) 3 : ,/ ,/ \ /"�' dy1:� ( 4F1C1_z, i/// — \ �T TaP=82].3 S PRAIRIE SANDREED (GOSHEN) 0.75 =1 — —/ R"` 12'CMP LAST CHANCE �I Ei NORTH YL l t' INJ_4826.1 /I DITCH/—'� BARBED WIPE FENCEil \ / In GREEN NEEOLEGRASS (LOOORM) 1.5 1 ��200 ' r I I I \\ -- in I Inv=824 \_ It LITTLE BLUESTEM (BLAZE,CIMARRON,CAMPER) 0.75 _CMC� /L\7 I --4gy5 I y 1 t ttt am'I A j ! aoxo E(cuv Dnc-nt I: YELLOW INDIANGRASS (CHEYENNE,HOLT,SCOUT) 0.5 \ I7\ \ ZONE"X" �s # cwMEo WATER t \1\ \7 FLOODNO FLOODING .'�� anAGE ►►I Puau DRCH SWITCHGRASS (BLACKWELL,NEBRASKA 28) 1.5 I p \ ^' , il) AJ k V /' \N. #� IE ,. -"I 20 SAND DROPSEED 0.5 III O �F �d826 5000 ED TO NATIVE o 'will �` . Q TOTAL LBS PER ACRE 12.0 /"\. I 41 I�I a anvE GanoE ,51-. KapwwhersbeklIALs�Y 3q <,`//' = ' � � :i �I / // V ` DESIGNED BY:ARR DAIS::A 1202O ARttxV Aws5' 1 N DRAWN BY: X12$- SCALE:AS NOTED 10' WIDE ACCESS n 1 CHECKED BY: ARR AS NOTED ROAD, VARIES IN LOCATION J I CV R OR SEED WITH SPECIFIED ❑ n JOB NO.: 213.001.38 ' 54'BMGC RIGHT-OF-WAY FASENEM { I >\ A. EASEMENT REC 420Qfi4 'I L T— _ �`" — Dx cNiP a `I DWG N RMS-VOGL.OWG m /MAX. WATER I -U �` * AMEA `SEED MIX THIS SHEET ❑ i -5 20' M N / ?5',CRESTa..�� ❑ I I '^ �� ti ce'AAa✓ 1 7 BY TOWN FUTURE OF FlRESTONEY I�ll UHK O?CN o ��II.OVERBURDEN,,��s' 'fr��s..—.••—S ...—... —. ' 1{ p6tiW ^T te^cPP >:£,.l 3 [,��- +r 24'GM,"`4B27.J :�28._/. RURAL 4 I RECLAMATION a ' ^ ' ' - 1 ` INV-482>.9 ----• 1/- .ALLU VIAL SAND=& - ,IIII \. �_ GUYPOLE F;) yIJ �4 FY GRAVEL - E S INVaszss -� —� _ 1e-cMP T yylFLAL4!!•A� LFAA ,tt� #_.I�,.I�.�wsr.II..II.n PLAN iii / / / / // / / / / / / /, _ =§ sv� `�. .; .: Nzia co Rona a>s . - J'i"i e"cMP ex/OO2 lX1 . „„04 / _ INV 482sD II 'I. 73'10" 1336. \\\ \/\\/\ \ \/\\/\/\\/\/\\/\\ \\\\CLAYSTONE BE f�4 \\/\\/\\/\\/\\/\\/\\/\\/\ --ter' — —— --- — _ ,.yl i12.CMP.1 ` -�_% unaat ,i . / 0 ,/i,/\/\/\//\././.../4 ///A A., A,/,,//////2V/i://i://i://////,///////////////////i/,/.,' _��_m h 4 y H/� it ( i SHEET: 4-CMP 025BED W RE FENCE _ i 4 INV=4828.0 4\' ! f.! if - - 5 U / r 14 SLURRY LINED RECLAMATION DETAIL ,,,,.,,,,L,.....L. N•LI.,..I.,. .,.R....,.N.�.�••I•I�I"•""' VV a T .I II �� ' I TrID NOT TO SCALE •.•I.. ,•N.I,...I.n...I•..L.•..,.•,.I.,. „.„. yy .IB , �_- '' — • 3 1 Hello