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Home My WebLink About20182973.tiffSign= ure nor or Authorized Agent Date Clifford Hahne, Vice President Print Name USE BY SPECIAL REVIEW (USR) APPLICATION DEPARTMENT OF PLANNING SERVICES ' 1555 N. 17TH AVENUE ' GREELEY, CO 80631 www.weldnov.com * 970-353-6100 EXT 3540 ' FAX 970-304-6498 FOR PLANNING DEPARTMENT USE; DATE RECEIVED: AMOUNT $ CASE Si ASSIGNED: APPLICATION RECEIVED BY PLANNER ASSIGNED: Parcel Number'. C) C1 Address of site. 4 (> 1_0_0 0_ I 3 si 21,40 AN tom OED dr arD Cc, - Legal Description necTi°Tlod HD Oct rvl- iZ-'( Section: AMA'- r i_ _ Zone District A- Acreage: zi.r Floodplain: r'ON Geological Hazard OY$I Airport Overlay:OY,fN FEE OWNER(S1 OF THE PROPERTY, Name: (, l; Cc.'d fiatinin.. j;tt f rYS.4e01 Company: Tricycle Lane Texas LLC Phone #: (972) 893-6071 Email: c l i f f ord . hahne©burnco . con' Street Address: 301 Centennial Drive ('A 12 digit number on Tax ID information, obtainable at w w w .w eldaov.som) 12 Township: C Range: GS" W City/State/Zp Code• Milliken, CO 80543 Name: Company: Phone #: Street Address: _ Clty/State/Zip Code. Email: Name. Company Phone #: Email: Street Address City/Statel3p Code: APPLICANT OR AUTHORIZED AGENT; (See below Authorization must accormanyallapplications sired byAulhorizedAgents) Name: S 1rH EL I kSo t-( Company Ut1f1it7 Gl JIc. ODE} lair( (n7Os)P, LCC. Phone # gib • SSp - cjc. yg Email: SAS+ . ELI/5%0H a Jr1 r Fe O C r v I t.. Cori Street Address: I SO I ALAD E r G I ,, ST6. 705 City/State/Zp Code: PROPOSED USE: Cori c g r'C rS"col PLPisr o Pr g/NI-I og s 1 (We) hereby depose and state under penalties ojerlury that all statements, proposals, andlor plans submitted with or contained within the application are true and correct to the bestof my(our)knowledge. Signatures of all fee owners of property musts'gn this application. If an Authorized Agent signs, a letter of authorization from all fee owners must be included with the apple •ton If a corp• anon is the fee owner, notarized evidence must be included indicating that the signatory has to legal aut' • n to g rrporation /' ,l Signature: Owner orr uthonzed Aj 11D 4A -r& rt t6cor{ Print Name 12/11/17 Date Rev 412016 DEPARTMENT OF PLANNING ERVI E 1555 N 17th AVE GREELEY, Co 80631 PHONE: (970) 353-6100, Ext. 3540 FAX: (970) 304-6498 AUTHORIZATION FORM i c c1 e Lane Texas LLC I 5 killal oft represent _'for the property (Agent/Applicant) (Owner) located at Pit9-ttri, Iet LEGAL DESCRIPTION: SEC . .t r. TWN... EH FANG CiSaVV inf LWOC1)RC( at°i SUBDIVISION ION NAME; glecrii.Mori tie 0 • -I/ LOT ;3 BL mkiitc- to C5 4.A -tit I can be contacted at the following Herne— tic - 717 ni-71470 Work Email: cave". e f4'a-x}in ea, , ,` - c.• ,` . • coom The property owner can be contacted at the following Email: Home Work (972 } 893-6071 c l i f f ord . habne r bur-nco . com Correspondence emeiled to: g: Agent/Applicant (Check one) DATE 1 (15 (41 OWNER'S IGNATURE Property Owner Name of Project: Nissen Pit Use By Special Review Description: A 'onion of the SE 1 section second_au ended recorded exemption No, 0961-12-4 AMRE-1053 Submitted By: Corporation Information: Company Name,: Tricycle Lane Texas t1i1C Street Address: 301 Centennial Drive City, State, and Zip Code: Milliken; CO 805'42 Phone Number: Fax Number (970) 587 - 692 5 Contact Person: Rob Van Der Schaaf orporatio Limited Liability Corporation State of Incorporation: Texas Partnership: Sole Partnership: BurnsPresident and Secretary If Corporation name Principal Officers:Scott r Clifford Hahne, 'Ice President Denis Perron/ CFO Employers Federal ID Number: 80 - 0947620 The person signing this document represents that he or she is duly authorized to do so on behalf of the above company. EXECUTED thisZZ day of August , 201 ACKNOWLE this"- y of hand and o r ci a (Signature) Notary '' hue Printed 4m e of Notary: 1 By: Name: Title: Vice President GED, SUBSC raffle ornniiission Expires: %$I 1IIrirr,', ,.A'.�. le "err ' 11, Notary Public, state of Texas �.• : Expires 04-15.2018 et010., Ili 011% KPISTI RENEE PYATT Notary ID 124163305 a E,' E under oath on el Witness my USE BY SPECIAL REVIEW (USR) QUESTIONNAIRE Answer the following questions on a separate sheet. If a question does not pertain to your use, please respond with "not applicable". For assistance with some of these questions see this website: http://www.co.weld.ci.us/Departments/PlanningZc ninq/LandUseApplicationsAssistance/ApplicationAssistance.htr l Planning Questions: Planner on Call 970-353-6100 x3540 1. Explain, in detail, the proposed use of the property. Concrete Batch Plant Operations 2. Explain how this proposal is consistent with the intent of the Weld County Code, Chapter 22 of the Comprehensive Plan. The proposed use is consistent with Chapter 22 of the Weld county code and any other applicable code provisions or ordinances. Section 22-5-80. C states, "Minimize the impacts of surface and subsurface mining activities on the surrounding land, land uses, road, and highways." The proposed use will minimize impacts to surrounding land, land uses, road, and highways through the location and design of all structures and equipment as well other site features to promote the intent of this section. In addition to this, the batch plant will be buffered by incorporating a stockpile/bermed area to screen these features from the road and neighboring properties. 3. Explain how this proposal is consistent with the intent of the Weld County Code, Chapter 23 (Zoning) and the zone district in which it is located. The proposed use is consistent with the intent of the A (Agricultural) Zone District Sections 23-3-40.A and 23- 3-40.A.4 -40.A.4 of the Weld County Code provide for Mineral Resource Development Facilities, including Open Pit Mining and Materials Processing, a Concrete and Asphalt Batch Plant, a Concrete Recycling Facility and a Landscape Material Sales Yard as a Use by Special Review in the A (Agricultural) Zone District. 4. Describe what type of land uses surround the site. Explain how the proposed use is consistent and compatible with surrounding land uses. The site is currently bordered by residential lots to the east and west as well as to the south across Weld County Road 58. To the north, the site is currently bordered by an existing batch plant, mine, oil and gas wells, and concrete recycling facility. The proposed use is consistent and compatible with the surrounding land uses through screening the site from neighboring residential lots and locating the batch plant towards the north portion of the site adjacent to the similar land use. 5. What are the hours and days of operation? (e.g. Monday thru Friday 8:00 a.m. to 5:00 p.m.) Monday thru Saturday, 5 am to 6 pm. Maintenance could be outside of these hours. 6. List the number of full time and/or part time employees proposed to work at this site. Two full time employees. 15 trucks going into and out of the site every 2 to 3 hours. 7. If shift work is proposed include the number of employees per shift. Not applicable 8. List the number of people who will use this site. Include contractors, truck drivers, customers, volunteers, etc. 15 truck drivers making 4 to 5 trips per day. 9. If this is a dairy, livestock confinement operation, kennel, etc., list the number and type of animals. Not applicable 10. Describe the type of lot surface and the square footage of each type. (e.g. asphalt, gravel, landscaping, dirt, grass, buildings) Concrete = 22,500 sf Gravel = 200,940 sf Building = 16,500 sf Landscape/Dirt = 966,700 sf 11. How many parking spaces are proposed? How many handicapped (ADA) parking spaces are proposed? 2 parking spaces next to the building (1 of them will be ADA). A gravel parking area to accommodate up to 20 employees / truck drivers personal vehicles. A gravel parking area for up to 20 concrete trucks. 12. Explain the existing and proposed landscaping for the site. 13. Describe the type of fence proposed for the site (e.g. 6 foot chain link with earth tone slats) 6' chain link fence around the site. 14. Describe the proposed screening for all parking and outdoor storage areas. If the site is located in a floodplain outdoor storage is restricted. 6' chain link fence around the site and landscape berms to the east and south. 15. Explain any proposed reclamation procedures when termination of the Use by Special Review activity occurs. Not applicable 16. Who will provide fire protection to the site? Kersey Fire Department 17. List all proposed on -site and off -site improvements associated with the use (e.g. landscaping, fencing, buildings, drainage, turn lanes, etc.) and a timeline of when you will have each one of the improvements completed. Onsite improvements including the batch plant building, gravel yard, gravel access drive, and access paving north of WCR 58 will be completed within 3 years. The fence would likely be built 14 to 2 years after the other impro vements. Engineering questions: 970-353-6100 x3540 1. Describe how many roundtripslday are expected for each vehicle type: Passenger Cars/Pickups, Tandem Trucks, Semi-TrucklTrailer/RV (Roundtrip = 1 trip in and 1 trip out of site) 75 to 80 roundtrips/day 2. Describe the expected travel routes for site traffic. Trucks 3. Describe the travel distribution along the routes (e.g. 50% of traffic will come from the north, 20% from the south, 30% from the east, etc.) 25% would travel eastbound on WCP 58 and 75% would travel westbound on WCR 58. As the market expands this could get closer to 50/50 in each direction. 4. Describe the time of day that you expect the highest traffic volumes from above. In the AM and PM when employees and truck drivers are arriving for work and leaving for work. It is anticipated there could be 22 total AM peak hour trips, and 22 total PM peak hour trips. 5. Describe where the access to the site is planned. At the southwest corner of the site on the north side of WCR 58. There is an existing access at this location that would be widened and expanded to the east. 6. Drainage Design: Detention pond summarized in a drainage report is required unless the project falls under an exception to stormwater detention requirements per code section 23-12-30 F.1. A. Does your site qualify for an exception to stormwater detention? If so, describe in a drainage narrative the following: Yes, a drainage narrative has been included with the submittal 1. Which exception is being applied for and include supporting documentation. 2. Where the water originates if it flows onto the property from an offsite source 3. Where it flows to as it leaves the property 4. The direction of flow across the property 5. If there have been previous drainage problems with the property B. Does your site require a stormwater detention pond? If so, the following applies: Not Applicable 1. A drainage report summarizing the detention pond design with construction drawings and maintenance plan shall be completed by a Colorado Licensed Professional Engineer and adhere to the drainage related sections of the Weld County Code. 2. The drainage report must include a certification of compliance stamped and signed by the PE which can be found on the engineering website. 3. A general drainage report guidance checklist is available on the engineering website. More complete checklists are available upon request. Environmental Health questions: 970-304-6415 x2702 1. What is the drinking water source on the property? Bottled Water and water dispensers. If utilizing a drinking water well include either the well permit or well permit application that was submitted to the State -Division of Water Resources. If utilizing a public water tap include a letter from the Water District, a tap or meter number, or a copy of the water bill. 2. What type of sewage disposal system is on the property? A new septic system is proposed. If utilizing an existing septic system provide the septic permit number. If there is no septic permit due to the age of the existing septic system, apply for a septic permit through the Department of Public Health and Environment prior to submitting this application. If a new septic system will be installed please state "a new septic system is proposed". Only propose portable toilets if the use is consistent with the Department of Public Health and Environment's portable toilet policy. 3. If storage or warehousing is proposed, what type of items will be stored? No storage. Any inventory (concrete additives, sand and gravel stockpiles, etc.) is cycled and not stored. Describe where and how storage and/or stockpile of wastes, chemicals, and/or petroleum will occur on this site. Sand and gravel stockpiles on site generally to the south of the proposed batch plant concrete a dditi ves are non-toxic add mixtures to the sand/gravel/cement concrete products. All additives are stored in approved manufacturer supplied storage tanks within the building. 5. If there will be fuel storage on site indicate the gallons and the secondary containment. State the number of tanks and gallons per tank. A double walled fuel tank will be installed to store up to 10,000 gallons of fuel. 6. If there will be washing of vehicles or equipment on site indicate how the wash water will be contained. Vehicles will simply be sprayed off and rinsed with water. 7. If there will be floor drains indicate how the fluids will be contained. Floor drains for water heater and restrooms will drain to septic tank. 8. Indicate if there will be any air emissions. (e.g. painting, oil storage, etc.) No, they will get an APEN Permit for the batch plant from the Colorado Department of Public Health and Environment 9. Provide a design and operations plan if applicable. (e.g. composting, landfills, etc.) NA 10. Provide a nuisance management plan if applicable. (e.g. dairies, feedlots, etc.) No, they will get an APEN Permit for dust control for the batch plant from the Colorado Department of Public Health and Environment 11. Additional information may be requested depending on type of land use requested. Noted. Building questions: Jose Gonzalez 970-353-6100 1. List the type, size (square footage), and number of existing and proposed structures. Show and label all existing and proposed structures on the USR drawing. Label the use of the building and the square footage.\ Not applicable, no existing structures. 2. Explain how the existing structures will be used for this USR? Not applicable, no existing structures. 3. List the proposed use(s) of each structure. Concrete batch plant OFFICE OF THE SECRETARY OF STATE OF THE STATE OF COLORADO CERTIFICATE OF FACT OF GOOD STANDING I, Wayne W. Williams, as the Secretary of State of the State of Colorado, hereby certify that, according to the records of this office, Tricycle Lane Texas LLC is an entity formed or registered under the law of Texas has complied with all applicable requirements of this office, and is in good standing with this office. This entity has been assigned entity identification number 20171214692 . This certificate reflects facts established or disclosed by documents delivered to this office on paper through 08/01/2017 that have been posted, and by documents delivered to this office electronically through 08/03/2017 @ 11:31:35 I have affixed hereto the Great Seal of the State of Colorado and duly generated, executed, and issued this official certificate at Denver, Colorado on 08/03/2017 @ 11:31:35 in accordance with applicable law. This certificate is assigned Confirmation Number 10375483 2e -e Secretary of State of the State of Cotorado *********************************************End ofCertificate******************************************** Nonce A eettil c°fitcLonS el&rutr'r icu l/rf om the Colorado Seerevary of -Stare is Web site is f r/tv and immediatelts valid and effective. However, as an option, the issuance and valid, of a certificate obtained electronically may he established by visiting the Validate a Certificate page of the Secretary of State's Web site, http://wiliw.sosesiate.co.usthiveCertificateSearchCriteria do entering the certificate's confirmation number displayed on the certificate, and following the instructions displayed. Confirming the issuance of a certificate is merely optional and is not nee+ ssaru tc t, e va /i and effective issuance of a certificate. For more information, visit our Web site, http:fti nmS' sos.state. ca. us/ click "Businesses, trademarks, trade names" and select "Frequently Asked Questions ,I Document must be filed electronically. Paper documents are not accepted. Fees & forms are subject to change. For more information or to printcopies of filed documents, visit www.stns.state.co.us. -Filed Colorado Secretary of State Date and. Time: 03/21/2017 11:15 AM ID umber: 20171214692 Document number: 20171214692 Amount Paid: $100.00 ABOVE SPACE FOR OFFICE USE ONLY Statement of Foreign Entity Authority filed pursuant to § 7-90-803 of the Colorado Revised Statutes ( .R. .) 1. The entity ID number, the entity name, and the true name, if different, are Entity ID number 20171214692 (Colorado Secretary of Slate ID number) Entity name Tricycle Lane Texas LLC True name (if different from the entity name) 2. The form of entity and the jurisdiction under the law of which the entity is formed are Form of entity Foreign Limited Liability Company Jurisdiction Texas . 3. The principal office address of the entity's principal office is Street address 11401 County Road 9 3/4 Mai ling, address (leave blank if same as street address) (Street number and name) Longmont (City) (Province - f applicable) CO 80504 (State) 1P/Pastel Code) United States (Coun ) (Street number and name or Post Office Box information) (City) (Province - if applicable) (State) 1P/Postal Code) (Country) 4. The registered agent name and registered agent address of the entity's registered agent are Name (if an individual) or Of an entity) Capitol Corporate Services, Inc. (Last) (Caution: Do not provide both an individual and an entity name) (First) (Middle) (St{ .) AUTHORITY Page 1 of 3 Rev. 12/01/2011 Street address 36 South 18th Avenue (Street number and name) Suite D Brighton CO 80601 (Clay) (State) (ZIP Code) Mailing . address (leave blank if same as street address) (Street number and name or Post Office Box information) ''he following statement is adopted by marking the box.) CO (City) (State) The person appointed as registered agent above has consented to being so appointed. (ZIP Code) 5. The date the entity commenced or expects to commence transacting business or conducting activities in Colorado is 03/20/2017 Imr dc) yy) 6. (if applicable, adopt the following statement by marking the box and include an attachment) (� This document contains additional information as provided by law. 7. (Caution: Leave blank if the document does not have a delayed effective date. Stating a delayed effective date has significant legal consequences. Read instructions before entering a date.) of the following statement applies, adopt the statement by entering a date and, f applicable, time using the requiredformat) The delayed effective date and, if applicable, time of this document is/are Notice: (mmldd/yyyy hour:minute am/pm) Causing this document to be delivered to the Secretary of State for filing shall constitute the affirmation or acknowledgment of each individual causing such delivery, under penalties of perjury, that the document is the individual's act and deed, or that the individual in good faith believes the document is the act and deed of the person on whose behalf the individual is causing the document to be delivered for filing, taken in conformity with the requirements of part 3 of article 90 of title 7, C.R, ., the constituent documents, and the organic statutes, and that the individual in good faith believes the facts stated in the document are true and the document complies with the requirements of that Part, the constituent documents, and the organic statutes. This perjury notice applies to each individual who causes this document to be delivered to the Secretary of State, whether or not such individual is named in the document as one who has caused it to be delivered. 8. The true name and mailing address of the individual causing the document to be delivered for filing are Sears Patti (last° (First) (Middle) (Suffix) 2021 McKinney inney Avenue (Street number and name or Post Office Box information) Suite 1600 Dallas TX 75201 (City) (State) (RIP/Postal Cade) United States _ . (Province — f applicable) (Country) (f the, following statement applies, adopt the statement by marking the box and include an attachment) This document contains the true name and mailing address of one or more additional individuals causing the document to be delivered for filing. AUTHORITY Page 2 of 3 Rev. 12/01/2011 Disclaimer: This fonn/cover sheet, and any related instructions, are not intended to provide legal, business or tax advice, and are furnished without representation or warranty. While this form/cover sheet is believed to satisfy minimum legal requirements as of its revision date, compliance with applicable law, as the same may be amended from time to time, remains the responsibility of the user of this form/cover sheet. Questions should be addressed to the user's legal, business or tax advisor(s). AUTHORITY Page 3 of 3 Rev. 12/0112011 Weld County Public Works Dept. 1111 H Street P.O. Box 758 Greeley, CO 80632 Phone; (970)304-6496 Fax: (970)304-6497 Applicant Name Sam Eliason Company United Civil Design Group Address 1501 Academy Cir City Fort Collins State Co zip 80524 Business Phone 970-5304044 Fax E-mail santeliason@unitecicivil.com Parcel Location & Sketch The access is on WCR 5S Nearest Intersection: WCR 49 Distance from Intersection 1300' east ACCESS PERMIT APPLICATION FORM Property Owner (If different than Applicant) Name Address City State Zip Phone Fax E-mail A= Existing Access A= Proposed Access WCR 58 WCR Parcel Number 096112000130 Section/Township/Range 12 / 5N /65W Is there an existing access to the property? YES Number of Existing Accesses 2 Road Surface Type & Construction Information NO Asphalt X Gravel Treated Other Culvert Size & Type ' t' Materials used to construct Access Concrete or Asphalt Within the next 3 years Construction Start Date Finlsrt Date Proposed Use o Temporary (Tracking Pad Required)/ $75 o Small Commercial or Oil & GasJ$75 o Field (Agriculture Only)/Exempt irk N AA WCR 58 o Single Residential/$75 o Large Commercial/$150 a u t� Industrial/$150 o Subdivision/$150 Is this access associated with a Planning Process? o No USR o RE o PUCE o Other Re _ Wired _,Attached Documents - Traffic Control Plan -Certificate of Insurance - Access Pictures (From the Left, Right, & into the access) By accepting this permit, the undersigned Applicant, under penalty of perjury, verifies that they have received all pages of the permit application; they have read and understand all of the permit requirements and provisions set forth on all pages; that they have the authority to sign for and bind the Applicant, if the Applicant is a corporation or other entity; and that by virtue of their signature the Applicant is bound by and agrees to comply with all said permit requirements and provisions, all Weld County ordinances, and state laws regarding facilities construction. Signature Printed Name Sam Eliason Date 7/6/2017 Approval or denial will be issued in minimum of 5 days. Approved by Notice of inquiry Development within an Intergovernmental Agreement Urban Growth Boundary Date of Inquiry 41.74,eiatc. Town Referred to: reacitim Name of Person Inquiring Property Owner MISJ Pau, t 4 P -Mete twos l4 Planner OviS Legal Description Legal Parcel # Major Crossroads Type of Inquiry 2,4141 0 PAU r I ei53 Pr 5C, % ("Si retpi ISOcoi p 51P1 (4\95t44 r -7V The above person inquired about developing a parcel of land inside your designated Intergovernmental Agreement Urban Growth Boundary. This person has been referred to your community by Weld County Planning to discuss development options on this site. Weld County Comments: t$?&WjVU ' C252. {649 erg Gib''-ks\ge, 4-0141er. Pl 'r OSlti- Y a-f,KS' Gv1.c Ce jaidef#44e .4 -gb-- 14Atrbel A�1rr Sitt i...e "' 0sirt‘* 1ti'�t��.tL Y— Town/City Comments: Signature ii Weil County Planner Signature ,own/City Representative It is the applicant's responsibility to return the completed form to Weld County. White copy. Applicant; Yellow Copy Town/City, Pink Copy' Weld County Weld County Planning Department 1555 N -17`h Ave, Greeley, CO 80631 (970) 353-61 DO, ext 3540 --- (970) 304-6498 Fax HALLwaX RWIN CORPORATION Mr. Kim Ogle Weld County Department of Planning Services Planning Division 1555 N. 17t" Avenue Greeley, CO 80631 301 Centennial Drive Milliken, CO 80543 (970) 587-6940 February 8, 2018 RE: PRE16-0198, 7 -Day ompleteness Review for the Nissen Bestway Amendment Rail -Irwin Response Dear Kim, Thank ou for your completeness review of the above project. We have added or corrected all items listed in your letter dated October 6, 2017 and have included them in the attached In addition, Item I under the Planning Department Comments package. requested additional detail on the proposed amendment: We do not intend to discontinue any uses associated with the 248.62 acre parcel located to the north of the subject 34.37 acre parcel.. This application is intended to be a separate USA.. from the 248.62 acre parcel. That said, it is likely that some of the uses associated with the northern parcel will no longer be needed. At a minimum, we wish to reserve the existing permit uses for asphalt, concrete recycling, materials processing, etc.. It is unlikely that concrete batch plant or landscape materials sales will be used on the 248.62 acre parcel. Again, this USR p'P . lication is only for the concrete batch plant use on the 34.37 acre subject parcel, The attached package includes the following: Countv Planning Comments: item 1 - Revised Flood Plain Narrative Item - Revised Drainage Report Department of Planning Comments: Item I — See above Item 2 — An updated certificate of conveyances has been attached Item 3 — The Surface Estate document has been signed Item 4 — The Access Permit Application p'plication Form has been signed Item 5 — The application fee of $5487.40 is attached 301 Centennial Drive Milliken, CO 80543 (970) 587-6940 Finally, as suggested in your letter, we have visited most all the neighbors within the project vicinity to make introductions and let them know what we have planned for the site. We answered questions that we could and generally received a positive reception. I look forward to your review and welcome any additional questions or clarifications that may help you in your process. Best Regards, Hall -Irwin Corporation JonMcElwain Project Manager A\ UNITED CIVIL Design Group «. January 26, 2018 Weld County Department of Public Works PO Box 758 Greeley, Colorado 80632 RE: Bestway Batch Plant Preliminary Drainage Letter Parcel #096112000130 north of WCR 58 Weld County, Colorado Project Number: U16012 Dear Staff: United Civil Design Group, LLC. is pleased to submit this Preliminary Drainage Letter for the Use by Special Review (USR) associated with the proposed Bestway Batch Plant site in Weld County, Colorado. In general, this letter serves to document the stormwater impacts associated with the proposed project. As the project moves forward into final design a Final Drainage Report will be prepared to document all drainage impacts including all hydrologic and hydraulic drainage calculations. Site Location and Project Description The development site (referred herein as "the site") is located in the Southeastern quarter of Section 12, Township 5 North, Range 65 West of the Principal Meridian. The proposed site, which is approximately 5.0 acres in size, resides on 34.37 acres of property and is located adjacent and north of Weld County Road 58, west of County Road 491/2. Refer to the attached USR Special Review Permit Map for additional information. The planned development for the site will consist of the following: • The construction of an industrial -use building with associated concrete pavement. • The construction of utilities in support of the proposed building including a septic system. • The construction of gravel yard and parking area. Existing Conditions Hydrology The site consists of approximately 8.2 acres on a 34.37 -acre property and has historically been used as agricultural farm land. In general, the site slopes to the 1501 ACADEMY CT. STE 203 I FORT COLLINS, CO 80524 I 970-530-4044 I vwww.unitedcivil.cam ASZ . UNITED CIVIL � Design Group La northwest with an approximate grade of less than 1.0%. Stormwater from the site currently travels towards the north to a swale adjacent to a dirt access road that parallels the north property line, which drains west to a culvert near the western property line, and further drains into the Plumb Ditch, northwest of the site. Floodplain The north portion of the property is located within the FEMA 100 -year floodplain for the South Platte River (Panel 1561E, dated January 20, 2016). However, the area being developed is not within the floodplain. Refer to the attached USR Special Review Permit Map for additional information. Storm Sewers The site currently consists of a culvert that conveys onsite runoff from an existing drainage swale to the property immediately west of this property. Developed Conditions Hydrology and Hydraulics The developed site of approximately 8.2 acres will include roof area, concrete pavement, and a large gravel yard. The developed site will conform to existing drainage patterns, utilizing existing onsite swale to convey runoff to the proposed detention pond before it exits the site to the north. Detention Requirements Per Section 23-12-30 of the Weld County Charter and County Code, stormwater detention storage is required for the site. Given that the existing condition of the site is undeveloped and is in a non -urbanizing area, the site is required to release detained stormwater at the historic rate of the 1 -hour, 10 -year event. According to a NRCS Soils Report of the project area (see appendix for NRCS Report), the site is composed of Altvan Loam, belonging to Hydrologic Soil Group R. Per Section 4.2.1 of Chapter 12, Urban Storm Drainage Criteria Manual Volume 2, the allowable 10 -year release rate is 0.13 cfs/acre. This release rate requires a 1.13 acre -ft detention pond (see appendix for calculations). The location of a 4' to 5' deep detention pond with approximately 1.13 acre-feet of volume is shown preliminarily near the northwest corner of the site on the USR Map. Detained runoff will eventually be released to the north of the site towards the Plumb Ditch similar to the existing conditions. Conclusions In conclusion, the drainage system proposed within this preliminary drainage letter reflects the existing drainage patterns, and provides necessary conveyance of onsite runoff to existing discharge locations and drainage systems. Additionally, the proposed development requires a 1.13 acre -ft detention pond at the historic 10 -year release rate 1501 ACADEMY CT. STE 203 I FORT COLLINS, CO 80524 I 970-530-4044 I www.unitedcivil.com ASZ . UNITED CIVIL � Design Group La of 0.13 cfs/acre. As the project moves forward into final design a Final Drainage Report with a detailed Grading and Drainage Plan will be prepared to document all the drainage impacts including hydrologic and hydraulic drainage calculations. We understand that review by Weld County is to assure general compliance with standardized criteria contained in the Urban Drainage and Flood Control District (UDFCD) Urban Storm Drainage Criteria Manual. This narrative was prepared in compliance with technical criteria set forth in the (UDFCD) Urban Storm Drainage Criteria Manual. If you should have any questions or comments as you review this drainage narrative, please feel free to contact us at your convenience. Sincerely, United Civil Design Group, LLC Sam Eliason, PE Principal Appendices: Appendix A — Hydrologic Calculations Appendix B— Detention Calculations Appendix C— Referenced Material Appendix D — USR Map (Sheet 2 of 2) References: 1. Natural Resources Conservation Service Web Soil Survey at: websoilsurvey. n res. usda.gov/ap p 2. NOAA Hydrometeorological Design Studies Center, Precipitation Frequency Data Server, January 2018, https://hdsc.nws.noaa.gov/hdsc/pfds/pfdsmapcont.html 3. Urban Storm Drainage Criteria Manual Volume 1 and 2, Urban Drainage and Flood Control District, Denver, Colorado, Revised September 2017. 1501 ACADEMY CT. STE 203 I FORT COLLINS, CO 80524 I 970-530-4044 I ww w. u n it e d c ivil .c o m APPENDIX A Hydrologic Calculations Runoff Coefficients and ‘0 Impervious Bestway Nissen, Weld County, CO UNITED CIVIL o Proposed Basins Basin Design Pt, Areas Composite Imperviousness (el) NRCS Soil Type Composite Runoff Coefficients (2) Total acres Total sf Roof {i} ‘o l = 9040 sf Asphalt 401 = 100,0 sf Concrete{1} Graveli1) l = 9040 401 =4C4o sf sf Lawns' o l=1/40 sf C2 Coo PR -1 PR -1 8.21 357,412 200,942 13,108 143,352 603,0 B 0.37 0.56 Proposed Tota I 8.21 357,412 - 200,942 13,108 - 143,362 60.30 - - Notes: (1) Recommended 40 Imperviousness Values from USDCM Vol 1- Table 6-3, Increased Lawns from 040 to 240 Impervious, (2) Runoff C is based on 401, 1, UDFCD and correction factors in Table 6-4, Date: 1/19/2018 P:\L116012 - Bestway Nissen\Reports\Drainage\C'afeulutionsttf16012-Drain Co1cs.xlsm Time of Concentration Bestway Nissen, Weld County, CO AN.UNITED CIVIL o Proposed EIasinS Basin Design Pt, Area acres Initial Overland Flow Time (t,) Travel/Channelized Time of Flow (ti i t, +- LE miry tc Check for Urbanized Basins Final tt:'-') min Initial Type Length ft`s Slope t,(}' rain Length Slope Cv Velocity ft ,io fps t,' { miry Check to Urban? Total Length ft t{(5) min PR -1 PR -1 8.21 Gravel 0.32 300 0.1/40 30.7 500 0.5e. 15 1.1 7.0 38.5 No - - 38.5 Notes: Cl) c5 based initial ground type and Table 6-4 (2)t; = (4. 95(1,1 -CS) L1/2]/S1f', 5= slope in #0, L=length of overland flow (400' max) (3)V=C,,5°'S, S=watercourse slope in tt/ft, UDFCD C4)tt=L/(V*60 sec/min) CS); check (for urban or developed areas only) = total length/1S0 + 10 (6)min t, = s min Date: 1/19/2018 P:\L116012 - Bestway Nissen\Reports\Drainage\C'afeulutions\LJ16O12-Drain C'oics.xlsm Rational Method Peak Runoff Bestway Nissen, Weld County, CO Proposed Basins Area Final Runoff Coefficients Rainfall Intensity Peak Discharge Basin Design Ptp acre tc(6) min C2 C5 C100 ii Is 1100 in/1hr° in/hr far 02 Q5 O100 cfs cfs cfs PR -1 PR -1 8.21 39.0 0.37 0.41 0.56 1.24 1.77 3.53 3.72 5.99 16.35 Tota Is 3.72 5.99 16.35 UNITED CIVIL tsesign Group Date: 1/19/21'18 P:\L116012 - Bestway Nissen\Reports\Drainage\C'afeulutions\U16012-Drain Coics.xlsm APPENDIX B Detention Calculations Dention Pond Volume (FAA Method) Bestway Nissen, Weld County, CO POND ID: POND A 100 Year Storm Into Detention Facility Area Area C no Q no 357,412 square feet 8.21 acres 036 16.35 cfs Release Rate Out of Pond Q our = Unit Flow _ Tc = 1.07 cfs 0.13 cfs/acre 38.5 minutes Notes: 1. Release Rate restricted to 10-yr existing flow rate for type B soils. based on Equation 12-5 from Chapter 12 - Volume 2 UCDFCD. (Detention Volume Calculations Release Rate Calculation: P S= 1.42 in 1% in/in L = 800 ft A = 357412 sf Ci = 0.3509 Cz = 0.2069 C3 = -0.4446 q = 0.15 cfs/acre 0.13 Icfs/acre i Rainfall Duration (T) Rainfall Intensity (I) min in/hr Inflow Rate Inflow Volume Qin= >IC1oo*Area *I Vi=(Q;n* T*60) cfs ft Adjustment Factor Factor m= 03(1 + TIT) Average Outflow Volume Outflow Rate Vo=Q:T *60 Qav = m out cfs {t Required Storage Volume Vs Vi-Vo ft3 5 9.22 42.7 12,804 1.00 1.07 320 12,484 10 7.16 33.1 19,886 1.00 1.07 640 19,246 15 6.04 28.0 25,163 1.00 1.07 960 24,203 20 5.27 24.4 29,274 1.00 1.07 11280 27,994 25 4.67 21.6 32,426 1.00 1.07 1,600 30,826 30 4.19 19.4 34,912 1.00 1.07 1,920 32,992 35 3.83 17.7 37,182 1.00 1.07 2,240 34,942 40 3.46 16.0 38,439 0.98 1.05 2,513 35,927 45 3.22 14.9 40,182 0.93 0.99 2,673 37,509 50 2.97 13.7 41,244 0.89 0.94 2,833 38,412 55 2.81 13.0 42,925 0.85 0.91 2,993 39,932 60 2.65 12.3 44,161 0.82 0.88 3,153 41,008 70 2.60 12.0 50,587 0.78 0.83 3,473 47,115 80 2.17 10.0 48,216 0.74 0.79 3,793 44,423 90 2.13 9.9 53,268 0.71 0.76 4,113 49,155 100 1.78 8.2 49,438 0.69 0.74 4,433 45,005 110 1.75 8.1 53,434 0.68 0.72 4,753 48,682 120 1.47 6.8 48,993 0.66 0.70 5,073 43,921 Required Detention Volume Vino 100 49,155 cubic feet 1.13 acre -ft "<\1/2 UNITED CIVIL Design Group Date: 1/19/2018 P:1 U16012 - Bestway NissenIReports\Urainage1 Calculations\ U16012 -Drain Calcs.xlsrn APPENDIX C Referenced Material NNa OAA Atla a 14, Vol u me •8, Version, 2 Lc atinn name: Greeley,. ColatradoAl Sat Latitude 40.4087', L on gi : -1' ..605 Elevation: 4.62.4..05 fEr souros r ary-; �;y� •M Watts POINT PR,Es_ IPITATION FREQUENCY ESTIMATES Perm. L'seio ran tiartln - -5,rpictra imiorsael &._ Lana Call T rp ..; Dale to it t, It! ' , erg Earth .CI.y..A. tr t 'Neater Service. Siker Sorimg Mari trir PF tabula I PF r.aphic2I I Maps Si. aEri PF tabular IT PDS-based. int precipitation frequency estimates with confidence intertals (in inchesil Cru rati on 10 -min 15 -min 30 -min 60 -min 2 -hr 3 -hr 6 -hr 12 -hr 2'd -hr 2 -day 3 -day 10 -day 20-dayi 30 -day 45 -day 60 -day _. ...L - - 0..357 (0.4-0.428 0435 (0.258-0.534)1 [0. 5 (0.412:2-0.717 0.728 (0. Fay -Q.&92) Average re u I me rya! (year s) w 2 5 I 10 0 244 0.295 10.242-0. 0431 0_526 (0.433-0.C46) &., (0.581-0.: E.367 (0.71i -Ti..' 0.391 I 0..84 (0.92D-0. 482) 0.-573 (0.409-0.705) 0.698 (0.572-0. ) 0.9 (0.763-1.10) 1.-14 - .41) {0.722-1. [p.880- i .25 i 0.954 1.11 0..87[.. -1.;5 1;1.11-1.66). p'3.[(O.92125 1.09 9! j 1.29 1.27 1.52 Lt.th1,) (1.28- 1. 1.51 4° 25-1.78) 1.74 2.63 Lo.m-2.1 2.3i (2.01-2. 2.54 (2.=-2.92) 326 (2.87-3.71) 3..24 {3...33--4.34) 4.53 4.0e-5.10) L1.511.-728.10) =5.1D (4.54-5.72) 1.45 (1.20-1.76) 1 .69 X1.41•-2.) 1.817' (t& -2._f 2.05 .(11.75-2.40) 2.22 ( .91-2.58) 225 (2.03-2.73) 2.. 9 (2234.10) 2.2 . --38) 2.76 G. (2.37- 2.8.1 ; .:Irk'- 3. 3.33 .3-3.85) 0.708. (0.5-0. D.884 (0.703-1.07) '.•16 (0.944-1.44) (1.15-1.715} 1.67 {1.37-2.08} 1.SiM (1.48-220) 2.03 (1.73-2.52) 2.41 (2.01-2.89) 2.72 (2.28-3.24) 3.08, (2.61- 364) 3.41 (2.91-3.99) 3.83 (3.3-4.51 2.92 3.6S 4.28 (2. -5S -.I.42) 13..l 4.24) 4. ea -4.95) 3.77 3 1-4.2 - y 14. -f agaF51031 5.21 (4.61-5.87) 5.88 (5.fl-6.60) 4.59 4.02-5.24) 5.32 (4.88-O. ) 7.09 .-7. 33)1 5.26 st4.5T 6.03) 6.06 (5.29-6.52) '.11 (6.24-8.07) 8.05 (7.08-9.10) 25 0. 630 la.en (0.731 -1.'2'47) �i I 0.758 ii 0..198 1"b tl 1.35 u.13 (0.891-1.49) 1i .51 X1.20-2.01.) 1..8 6 1i .48-2.4a) 2.21 (118-2.94) 2.39 (1.93► -3.11 2.x"3 (2. -3. 3.049 42.51.3.95) 3.41 .79-4.31) 3.81 (3.12-4.73) 3...99 0.29-4.92) X1...1!,5 (3.43-5.10) • - I. • a a 2.70 (2A-3.6;, 3..67 (2.88-4.74) 4.01 (3.17-5.12) 441 0.,51-5., 4-! &.6 6 (3.8e- L3 .64) 5.09 00.22-5.11) 6.16 {5.13- 7.28) 7.04 (5.89-8.26) S.22 ..91'--9.57) 9.29 (7.82-10.8) 436 (3.82-5.33) 5.28 00.-5.'19) (4. O.98) 8.82 (5.56-8.fl) 9�n03 (7.41-103) 10.2. (8.38-12.0) 122 F4l.95ip-1.81 1.60 (1.17-2.21) 2.16 (1.-2. 211 (1.98-3.7 3.25 12.O-4.4 3_53 (2.61-4,84) Z., 96 (2.96-525. 4... 0 (3.24--512). 4.66' (3.54-6.12) 5.06 525 (4..G-5.17 5..411 (4.17-5.33) 5.93. (4.59-7.-49) 6.37 % F � S .S !. )! (5.2-!.27) I 9.81 (I.7:5 -S2. 11.D (8.74-13.4 1.D5 FienD-1 •.c, 1.54 (1.07-2.19) 1.88 (11.30-2.6T) 2.54 (1.164.61) 3_87 42.72-5,48) 423 .. 4 . '113' ;17) 5.01 5.347 E... E•3- .2T) . .5..7.5 (4,18-7.58) 5.95 (4. -7 6..'1''1 (4.49-8.OTj 6.60 0.874.00) 7.02 9.07) L 1000 1i . 1.' (0.-1.81) 1- E,�_m. x z .87] 2.15 N (135-3.16' 2.62 „.1.-.i.1"" 3.09 3.55 (2.04-4.533 C2.25-5.211 3..94 1.L. u ea . _ mod _) 4.79 6.98) 7.+ 5.76 43.-9D- 8.29 S .02 (4.11-S. O) 629 44.E-8.91) 6.12 9.28) 6_.93 (4.85-9.49) 3.16 0.03- 10.41. 10.6 (7.97- (835-14.8) 7.1Ll (4.S8-9.08) 7.511, 45.30-10.1) 7.28 ,(5.5s- I0.5 9.01 46.44- 11.9) 10.1 (7.23- '13.1) 11.5 (8.31-14.9) 4.5 .3i-6.7% .5.56 (3.56-8.11) S.12 X3.95-8.88, (4_33- 9.55)] ;;4.51-9-.T' 7.22 10.2) 7.51 (5.04=1&. 7.73 M (5..22-11.77. i_ . D. E 3.22 '7r. .`-.... x.10 S .54 N (5. it .-11.5 S.64 x'0.7 N (7.49- 14.3.! 12.1 (8.57.16.1 1 �-' L O . 5 (9.54-1 1 Precipitation frequency 9 estimates in this table are based on frequency anahrsis of ;partial duration sties { 'DS). rttr > ers ire p arentts s. ae PF etimates at bier and upmer tear of the opnificlVtoe interval. The prnbabibrtyrr that preilipitatian frequenrby estimates (for a given duration and average a recurrence interval) loal be greater than the upper bound for less than the lower 5%. Fstimates at tipper bounds are °not checked against probable maximum precipitation . °R estimates 1d may be tither than •ci_rre,rtly valid PkilP Malty:. Please refer to NOM Attar 14 cbcament for mare information. USDA United States Department of Agriculture N RCS Natural Resources Conservation Service A product of the National Cooperative Soil Survey, a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local participants Custom Soil Resource Report for Weld County, Colorado, Southern Part Bestway-N issen November 1, 2016 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.govlwpsfportall nreslmain/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (http:// offices.sc.egov.usda.gov/locatorlapp?agency=nres) or your NRCS State Soil Scientist (http://www.nres.usda.govlwpslportallnresfdetaillsoilslcontactus/? cid=nres142p2_g53951). 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 N RCS 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 alternative means 2 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 7 Soil Map 8 Legend 9 Map Unit Legend 10 Map Unit Descriptions 10 Weld County, Colorado, Southern Part 12 1 Altvan loam, 0 to 1 percent slopes 12 3—Aquolls and Aquents, gravelly substratum 13 8 —Ascalon loam, 0 to 1 percent slopes 14 10—Bankard sandy loam, 0 to 3 percent slopes, frequently flooded 16 54 —Paoli loam, 0 to 1 percent slopes 18 68—U stic Torriorthents, moderately steep 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 scientists classified and named the soils in the survey area, they compared the 5 Custom Soil Resource Report 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 identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. 6 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. 7 bs is, er5 A 40'° 24' 52" N O C:, ni— r`-,. 3 S N. O S rn N, 4 S in N. 1 O R i 8 EN VI rs. 3 C 0 3 S 0 N. 4 M n l S CO 3 40'° 24' 16" N 104° 37'9"W 532400 1 532400 532500 532500 532600 532600 532700 532800 I I 532700 532800 532900 Custom Soil Resource Report Soil Map 533000 533100 533200 533300 533400 Warning: Soil flap may not be valid at this scale. 532900 Map Scale: 1:7,850 if printed on A landscape (11" x 8.5") sheet N 0 533000 533100 Meters 100 200 400 600 A��Feet 4 350 70C 1400 2100 Map projection: Web Mercator Goner coordinates: WGSS4 Edge tics: UN Zone 13N1 WGSS4 533200 533300 8 533500 I I 533400 533500 533600 533700 I I 533600 533700 533800 533900 I I 533800 533900 531000 40° 24' 52" N S 0 i 0 3 S — rep N. C — re) 4 a R i 0 — re) N, 4 S re) N. S - NI 3 534000 b Ln:Ai 8 R ri 40° 24' 16" N Custom Soil Resource Report MAP LEGEND Area of Interest (ACM) Area of Interest (AOl) Soils El Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features X } N 'i. C V Blowout Borrow Pit Clay Spot Closed Depression Gravel Pit Gravelly Spot Landfill Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot Sinkhole Slide or Slip Sadie Spot a 0 a Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation f. Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography MAP INFORMATION The soil surveys that comprise your AO I were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A. projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRC S certified data as of the version dates) listed below. Soil Survey Area: Weld County, Colorado, Southern Part Survey Area Data: Version 14, Sep 22, 2015 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Apr 22, 2011 Oct 19, 2011 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. Custom Soil Resource Report Map Unit Legend Weld County, Colorado, Southern Part (CO618) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 1 Altvan slopes loam, 0 to 1 percent 64.5 19.8% 3 Aquolls and Aquents, ts, gravelly substratum 61.6 18.9% 8 Ascalon slopes loam, 0 to 1 percent 26.4 8.1% 10 Ban kard sandy percent slopes, flooded loam, frequently 0 to 3 61.4 18.8% 54 Paoli loam, 0 to 1 percent slopes 57.9 17.8% 68 Ustic Torriorthents, steep moderately 25.1 7.7% 85 Water 29.2 9.0% Totals for Area of Interest 326.1 100.0% 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 non contrasting, 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 10► Custom Soil Resource Report observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it 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. 11 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 transacts 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 inlhr) 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 12 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: Flood plains, swales, streams 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 inlhr) 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 mmhoslcm) 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 (R0676Y035CO) 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 HI - 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 8 —Ascalon loam, 0 to 1 percent slopes Map Unit Setting National map unit symbol: 2tl nq 14 Custom Soil Resource Report Elevation: 3,870 to 6,070 feet Mean annual precipitation: 13 to 16 inches Mean annual air temperature: 47 to 54 degrees F Frost -free period: 135 to 160 days Farmland classification: Prime farmland if irrigated Map Unit Composition Ascalon and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Ascalon Setting Landform: Terraces Landform position (three-dimensional): Tread Down -slope shape: Linear Across -slope shape: Linear Parent material: Wind -reworked alluvium and/or calcareous sandy Aeolian deposits Typical profile Ap - 0 to 6 inches: loam Bt l - 6 to 12 inches: sandy clay loam Bt2 - 12 to 19 inches: sandy clay loam Bk - 19 to 35 inches: fine sandy loam C - 35 to 80 inches: fine sandy loam Properties and qualities Slope: 0 to 1 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Well drained Runoff class: Negligible Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.60 to 6.00 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 salinity, maximum in profile: Nonsaline (0.1 to 1.9 mmhos/cm) sodium adsorption ratio, maximum in profile: 1.0 Available water storage in profile: Moderate (about 8.0 inches) Interpretive groups Land capability classification (irrigated): 3e Land capability classification (nonirrigated): 4c Hydrologic Soil Group: B Ecological site: Loamy Plains (R067BY002CO) Hydric soil rating: No Minor Components Olnest Percent of map unit: 10 percent Landform: Terraces Landform position (three-dimensional): Tread Down -slope shape: Linear Across -slope shape: Linear 15 Custom Soil Resource Report Ecological site: Sandy Plains (R067BY024CO) Hydric soil rating: No Nunn Percent of map unit: 5 percent Landform: Terraces Landform position (three-dimensional): Tread Down -slope shape: Linear Across -slope shape: Linear Ecological site: Loamy Plains (R067BY002OO) Hydric soil rating: No 10 Bankard sandy loam, o to 3 percent slopes, frequently flooded Map Unit Setting National map unit symbol: 2s51 n Elevation: 4,090 to 5,410 feet Mean annual precipitation: 12 to 17 inches Mean annual air temperature: 48 to 52 degrees F Frost -free period: 130 to 160 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 Bankard, frequently flooded, and similar soils: 80 percent Minor components: 25 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Bankard, Frequently Flooded Setting Landform: Flood plains, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear Parent material: Sandy alluvium Typical profile A - 0 to 2 inches: sandy loam AC - 2 to 9 inches: sandy loam CI - 9 to 17 inches: loamy sand C2 - 17 to 80 inches: sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Somewhat excessively drained Runoff class: Very low Capacity of the most limiting layer to transmit water (Ksat): High (2.00 to 6.00 inlhr) Depth to water table: More than 80 inches Frequency of flooding: Frequent Frequency of ponding: None 16 Custom Soil Resource Report Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Nonsaline (0.0 to 1.9 mmhoslcm) Available water storage in profile: Low (about 35 inches) Interpretive groups Land capability classification (irrigated): 6s Land capability classification (nonirrigated): 6s Hydrologic Soil Group: A Ecological site: Sandy Bottomland (R667BY0►31 CO) Hydric soil rating: No Minor Components Glenberg, rarely flooded Percent of map unit: 8 percent Landform: Ephemeral streams, flood -plain steps Down -slope shape: Linear Across -slope shape: Linear Ecological site: Sandy Bottomland (R067BY031 CCU) Hydric soil rating: No Kitcarson, frequently flooded Percent of map unit: 5 percent Landform: Flood plains, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear, concave Ecological site: Wet Meadow (R067BY038CO) Hydric soil rating: No Alda, frequently flooded Percent of map unit: 5 percent Landform: Flood plains Down -slope shape: Concave Across -slope shape: Concave Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: No Alda, frequently flooded Percent of map unit: 5 percent Landform: Flood plains Down -slope shape: Concave Across -slope shape: Concave Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: No Las animas, frequently flooded Percent of map unit: 2 percent Landform: Flood plains, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear, concave Ecological site: Salt Meadow (R072XY035CO) O) Hydric soil rating: No 17 Custom Soil Resource Report 54 Paoli loam, 0 to 1 percent slopes Map Unit Setting National map unit symbol: 3633 Elevation: 4,700 to 5,250 feet Mean annual precipitation: 13 to 17 inches Mean annual air temperature: 46 to 48 degrees F Frost -free period: 130 to 150 days Farmland classification: Prime farmland if irrigated Map Unit Composition Paoli and similar soils: 95 percent Minor components: 5 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Paoli Setting Landform: Terraces Down -slope shape: Linear Across -slope shape: Linear Parent material: Alluvium Typical profile H I - 0 to 25 inches: loam H2 - 25 to 60 inches: fine sandy loam 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 (0.60 to 2.00► inlhr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 15 percent Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhoslcm) Available water storage in profile: Moderate (about 8.8 inches) Interpretive groups Land capability classification (irrigated): 1 Land capability classification (nonirrigated): 3c Hydrologic Soil Group: B Ecological site: Overflow (R067BY036CO) Hydric soil rating: No Custom Soil Resource Report Minor Components Glenberg Percent of map unit: 5 percent Hydric soil rating: No 68 Ustic Torriorthents, moderately steep Map Unit Setting National map unit symbol: 3631 Elevation: 4,450 to 5,100 feet Mean annual precipitation: 10 to 16 inches Mean annual air temperature: 46 to 54 degrees F Frost -free period: 120 to 160 days Farmland classification: Not prime farmland Map Unit Composition Ustic torriorthents and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Usti c To rrio rthents Setting Landform: Escarpments, breaks Down -slope shape: Linear Across -slope shape: Linear Parent material: Gravelly alluvium Typical profile H1 - 0 to 10 inches: gravelly sand H2 - 10 to 60 inches: gravelly sand Properties and qualities Slope: 9 to 15 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Excessively drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): High to very high (5.95 to 19.98 inlhr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 5 percent Salinity, maximum in profile: Nonsaline to very slightly saline (0.0 to 2.0 mmhosicm) Available water storage in profile: Very low (about 1.8 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): Is Custom Soil Resource Report Hydrologic Soil Group: A Hydric soil rating: No Minor Components Columbo Percent of map unit: 10 percent Hydric soil rating: No Eckley Percent of map unit: 3 percent Hydric soil rating: No Otero Percent of map unit: 2 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 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/arcs/ detail/national/so i l s/?cid n res 142p2_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 =n rcs 142p2_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/wpsi portal/nres/detail/national/soils/?cid=nres142 p2_ 053580 Tiner, 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/arcs/detail/soils/ home/?cid=arcs 142p2_053374 United States Department of Agriculture, Natural Resources Conservation Service. National range and pasture handbook. http://www.nres.usda.gov/wps/portal/arcs/ detail/national/Ianduse/rang epasture/?cid=stelprdb1043084 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.govfwpsfportalf nresfdetailfsoilsfscientistsf?cid=nres 142p2_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.govfwpsfportalfnresfdetailfnationalfsoilsf? cid =n res 142 p2_053624 United States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nres.usda.govflnternet/FSE_DOCU MENTSfnres 142p2_052290.pdf 22 APPENDIX D Drainage Exhibits LEGEND 50 W :::.rnr. DIV'tTWr. sae r.1.1• PZahNA^F/Are & a: O z 5C 12rr err EXISI INC FENCE NDSIM n, STCiReiGE AREA 'icATER ACT V TY ENTErt"R EE OF THE c i nuNnwrti rR ANC MARL, 5EMEN- SUULJII' IC I L`- IH= CENTRAL O[5!•t't.TCR r,^N:; -ART PAW; =L: r:4JLN 281SJ19 _ = i '.5i RF FFNCF 3A -E 3ogYS.1IC.1AiD V 5A 2C = _ : 09611230]01 t EXIST NC SI C. [CC AI =$$ p{i r ¢l .41;4N: t1.1 I Ni-Oi±iiIY P C_3S I AD ,10X. 1303 :AST OrWC1 sa49 A 93 A?''R OX. v: 4c✓ V' :ST Or Wel 561 CR.645 Pd=60- (TYP.) S 1r•Ji=U ACC LSS L M 1'_ ehuile AT'.4'EL.; CUUNTf -c'JAD Srf --4 IYSO14'd!A3J'd' 28952.'iC So �A? C C_: 0961 6 3300044 :3T•=.4,LTT. J:�i5C OIAN t1 23736 WC 3 58 A 3C :-; 99011'3900381 r turEa t'1' LINE PlOP&S D STORM O._TFA1 FROM Ohl t\II!'N 'ONU ETE\TION POND f1.13 AC rrl rN¢ RI•II r.; S ORACLE AREA' PR :POs=n UHAINP.QL CULVEZT 'Ann' ;74' I INr • • EXISIINC FENCE 3Ti!CKt ILE AREA S-WIKh FENC=ON FItC'YL-tI Y Lint GRt',IFI DRIVEWAY' DO. PI r CATT r GUARD E. CHAINLI-•..1 ;3A -E C ONL:Ht L r)R ASI'-.•,L DRIVEWAY ENTRA\CC FG 1:k1 smir NI. =NT ain't' r PROPOSED ON -SITE 4.'ASTEWATEH TREATLIE\T SY!TCI'r ( .WT.-: 5' C.HAINLIN4O\. -irlR=:Lo.'ia i'tP — !7='.!I_—I`.Li-:OW 3ROV!1. 32Ct.•!H.'tIC•1A'tl C 23752 L?'C1 58 I'A"IC 098113030082 I I =XIS I\C L'KAINAC= SviaLC TO R_rMAIN :,n;r TR. ICYC E _AY= TEXAS -C ?AZ'G _:C0;15112630130 Pt •_'u_le': _G 1O%1 _ !•_ r r O_PITY ROAD 3-3=R\IAH. IAJ'- 2385'2WC Z 58 =r 1 T'= :-: 09311'3300009 I I I r EXISIINC O R' 71 RIVE E T rriiA 10.'.• vrkr; r1 MOPI : ns PA'^EL I jQv E JA\ VA -t`' PROFf7SC D DRAINAGE SWALE rENCEU 01_(:0.2857t'EL . /7\c, EX STING LJR%I \Act S!:.•: tiL= S SI CC WILL AKLA S STC•;;K= I -E AREA PRO'rRTYI itr c' CHB.INLINK t-=fCL JN r-tOYtN Y LIPla b CHAINLI\K DA It I 'O:3T=2, Jd44 _ • 1A-74 :.:Y. MARY - __ 23959 WC 50 =ARC=_. 090112030129 A. -EN. TREVOR 23962 WC" .58 'ARC =_: 0961 13000043 ?oEWOJIST. STET='- 20902'AIC i 58 99311309002 I r I I (JSR XX-XXX LOCATED IN THE 5E114 SECTION 12, T6N, R65W OF THE 6TH P.M., COUNTY OF WELD, STATE OF COLORADO AREA = 21.51 ACRES, MORE OR LESS I'LAN \INC L'Ut•1r.1 SSIUN C:t-..I II- 1.7.A1 ION THIS' IS-0C.-RTIrY TIIATTI Ir'WTI 000UNTY Fl ANNIE. •^.0:: MISSIO\ I it%S CERTIF ED.' ' ND DOES HEREBY RECOMMEND TI) -HE ROAR) OF CCIUNT'F C J ivi S ON=HS, de E_L: COIN 1' JULC-'.Al2O. FOH I I S CONFRVAI1(JN..SI'I'h1L`''JAL AND ADOrTIGN T IS SIT:3PLCir : DEVC _Cr./ENT PLAN Al 0 USE Cl.‘S=CCIAL R =VI PA' AS HCr.SV Awn 7FACR P.=n THFRF.'iN THIS �hY Or . CHAIR. WE_C COLIN-YPLs.\\INC4COMM 2.31(114 SCAR -10F C;UUN I Y : L:- 41ISt 1[: \ t1€5 C.L II- L:A I ION TI II:; Is -0 C:=RTIFY TI IAT TI IF BOAR ) CIF COUNTY 2.21/ ISS C:\FR.::. 4.FI ) COIJN1f. COLORADO DOES HEREBY ADOPT-HE.3ITE 27JECI=IC )E'VELCIPMEVT FLA\ AND ..SE BY SI ,=t1 AL'tt'V1=h?! AN 3 DEV=LGI°t•i=N I S IA\LDAiL+P Y• SHC14t't4 A'\) UESCh1IBED TI ICr C^N :.lo DOE! I ICRCDY ACCEPT AND ,tPPROvE T C DCDICA-inN TO "I is PI,IF,I 1G. IN F=RPFTI•IIT'F Al RIGH'$.^F--Wk4 ia3 -rWI HERE.^. T -I15 LAY OF . G. CHAIR, BOARD OF UMW -?COMMISSIONERS Arrr.^:T: 01L -L' LUUN Y C ..LItK 10 I -t tOAHU 13Y: rw.Tr ): DE aIJTY C LERK TO THE ECARL: PROFERTYCI'r'.'NER'S I�Ek-IFICkTI:IN THE UN_CRZIEiN=D bVsCR PROPER -1' O!4'NCR(E1 DD HERC3Y P,GRL: TC THE SITE SPECIE :nrAtiF JJP-v1F\T PI ANh\r,USE R`rSPFCI.AI R='•!IF7e'='•!FIGRAF\T S IANL:AFJJ3 AS L:=SCRI3EL1 -tH=ON I HIS DAVOJF ,211 511-44.0. I U-.1 SICNk I UHL SEC. 2 T5N R65W SEC. 11 T5N ROW FSEG. 12 TaN R651./V SEC. 14 T5N R65k.1/ SEC. 1 T5N R65W �..- ••Cn 5r! VICINITY MAP $tF_E: r-2cj;! LEGEND II- I Ah',.c.IN.5.0.00 :'• V r�tiri-'-LL'r all:;i 1 14.1-.I IL' °O_ '`'Y_: P,cGaWlLLYdi. lb O I'.:iLLP_Li 4^.11 TY"F OW. 1/4kr+ T:. Vs,RI:1r-s •nir r. '�4i:KA :L'rl16FY •.5.^.w .''HAP RF3inFhc.F UNITED CIVIL [''sign Group Civil Lngincoring 2, Can::ultirq 1501 AcadEmv Ct. St' - 71}3 For. Collins, CO 40524 p7D)) 590�ICr i 'Mk vil.com 9 3 r a s. it rn•2 _ - 3 Y V Z L Y t 2 c ■ r C n y . u = s i y 2 S V t c - i- ce 2 L t i"Ca C-- \Ntil-r1v3J, {.ice 2 C X CL E L1 Lj W U) LL F.LRIJLI 2 r N. c H iC r T DATE SUBMITTED: HALL-IRWIN CORPORATION eF 2 -FFTF ic _ L C I•EF.�,:f .. hrf. EC I.4 f11RK_a X11$312 1 1 7\\ UCIVIL Design Group July 7, 2017 Weld County Department of Public Works Po Box 758 Greeley, Colorado 80632 RE: Bestway Batch Plant Parcel #096112000130 north of WCR 58 Weld County, Colorado Project Number: U16012 Dear Staff: United Civil Design Group, LLC. is pleased to submit this Drainage Narrative for the Use by Special Review (USR) associated with the proposed Bestway Batch Plant site in Weld County, Colorado. In general, this narrative serves to document the stormwater impacts associated with the proposed project. Site Location and Project Description The development site (referred herein as "the site") is located in the Southeastern quarter of Section 12, Township 5 North, Range 65 West of the Principal Meridian. The proposed site, which is approximately 5.0 acres in size, resides on 34.37 acres of property and is located adjacent and north of Weld County Road 58, west of County Road 49 1/2. Refer to the attached USR Special Review Permit Map for additional information. The planned development for the site will consist of the following: • The construction of an industrial -use building with associated concrete pavement. • The construction of utilities in support of the proposed building including a septic system. • The construction of gravel yard and parking area. Existing Conditions Hydrology The site consists of approximately 5.0 acres on a 34.37 -acre property and has historically been used as agricultural farm land. In general, the site slopes to the northwest with an approximate grade of less than 0.5%. Stormwater from the site currently travels towards the north to a swale adjacent to a dirt access road that parallels the north property line, which drains west to a culvert near the western property line, and further drains into the plumb ditch, northwest of the site. Floo ' is n The north portion of the property is located within the FEMA 100 -year floodplain for the South Platte River (Panel 1561E, dated January 20, 2016). However, the area being developed is not within the floodplain. Refer to the attached USR Special Review Permit Map for additional information. 1501 ACADEMY CT. STE 203 I FORT COLLINS. CO 80524 I 970-530-4044 I www..unitedcivil,com k„ UNITED CIVIL /04\ Design Group a: Storm Se wers The site currently consists of a culvert that intakes onsite runoff captured by an onsite swale/ditch and continues to the property immediately west of this property. Developed Conditions Hydrology and Hydraulics The developed site of approximately 5.0 acres will include roof area, concrete pavement, and a large gravel yard. The developed site will conform to existing drainage patterns, utilizing the existing onsite swale to convey runoff. The proposed site would add more culverts for access purposes and drain the site to the north to the floodplain area on this property. Detention Requirements Per a Weld County Pre -Application Memorandum, dated September 20, 2016, stormwater detention storage is not required for the development. The site meets the following condition exempting the development from detention requirements: "Individual parcel with an unobstructed flow path and no other parcel(s) between the Federal Emergency Management Administration (FEMA) regulatory floodplain channel and the project." As mentioned above, the north end of this property is within the FEMA 100 -year floodplain for the South Platte River. The developed site will drain to the north to this floodplain area for the South Platte River. Conclusions In conclusion, the drainage system proposed within this drainage narrative reflects the existing drainage patterns, and provides necessary conveyance of onsite runoff to existing discharge locations and drainage systems. Additionally, the proposed development is exempt of Weld County detention requirements. We understand that review by Weld County is to assure general compliance with standardized criteria contained in the Urban Drainage and Flood Control District (UDFCD) Urban Storm Drainage Criteria Manual. This narrative was prepared in compliance with technical criteria set forth in the (UDFCD) Urban Storm Drainage Criteria Manual. If you should have any questions or comments as you review this drainage narrative, please fee free to contact us at your convenience. Sincerely, United Civil Design Group, LLC Sam Eliason, PE Principal 1501 ACADEMY CT. STE 203 I FORT COLLINS. CO 80524 I 970-530-4044 [ www.unitedcivil.com DRAINAGE REPORT REVIEW CHECKLIST Project Name: US RI 8-0044 Bestway Batch Plant The purpose of this checklist is to provide the applicant's Engineer a basic list of items that County Staff will review in regards to a drainage report. The drainage design shall meet the requirements of the Weld County Code and commonly accepted engineering practices and methodologies. A detention pond design (or other stormwater mitigation design) is appropriate for projects which have a potential to adversely affect downstream neighbors and public rights -of -way from changes in stormwater runoff as a result of the development project. The design engineer's role is to ensure adjacent property owners are not adversely affected by stormwater runoff created by development of the applicant's property. REPORT (X = complete, ❑ = required) Stamped by PE, scanned electronic PDF acceptable Certification of Compliance Variance request, if applicable Description/Scope of Work Number of acres for the site ?5.0 or 8.2? Methodologies used for drainage report & analysis Design Parameters 0 Design storm El Release rate URBANIZING or NON -URBANIZING Overall post construction site imperviousness 60.3% Soils types ❑Discuss how the offsite drainage is being routed Conclusion statement must also include the following: Indicate that the historical flow patterns and run-off amounts will be maintained in such a manner that it will reasonably preserve the natural character of the area and prevent property damage of the type generally attributed to run-off rate and velocity increases, diversions, concentration and/or unplanned ponding ng of storm run-off for the 100 -year storm. How the project impacts are mitigated. Construction Drawings Drawings stamped by PE, (scanned electronic PDF preferred) Drainage facilities Outlet details Spillway Maintenance Plan ElFrequency of onsite inspections O Repairs, if needed OCleaning of sediment and debris from drainage facilities N X U U N N N Vegetation maintenance Include manufacturer maintenance specifications, if applicable Comments: Plumb Ditch is on the north end of the site. Permission to drain into the ditch may be required. Historic flow calculations required. Imperviousness of the pond should be 100% Using 08 C values — use 08 Tc calculations Outlet Calculations Required Spillway Calculations Required 4/11/2018 Weld County Department of Public WorksI Development Review 1111 H Street, Greeley, CO 80631 I Ph: 970-400-3750 I Fax: 970-304-6497 www.weldgov.comidepartments/public_worksidevelopment_review/ DEPARTMENT OF PLANNING SERVICES PLANNING DIVISION 1555 N. 17TH AVENUE GREELEY) Co 80631 970-400-3549 FAX 970-304-6498 kagle@weldgov.com October 6, 2017 Mr. Jon McElwain Hall -Irwin Corporation 301 Centennial Drive Milliken, CO 80543 Subject: 7 -day Completeness Review for the Nissen Bestway amendment Dear Jon The Departments of County Planning — Development Review Engineer, Building Inspection, Environmental Health and Planning Services have reviewed the submitted materials for the proposed amendment to USR-1435 to add an additional parcel of land for the relocated concrete batch plant and slurry wail to the current mining permit. The added parcel is located on land described as Lot 6, 2nd .AmRE-1053 being part of SE4 of Section 12, Township 5 North, Range 65 West of the 6th P.M., county of Weld, State of Colorado. Comments concerning this land use application are as follows: Building Inspection: No comments at this juncture. The contact for this land use application will be Jose Gonzales with Building Inspection, 970.400. 33. The Environmental Health Department reviewed the application for completeness and has determined there is sufficient documentation to proceed with the application. The contact for this land use application will be Ben Frissell with Environmental Health, 970.4OO 2220. County Planning — Development Review Engineer has reviewed the 7 -Day Completeness Review and finds that there is not adequate information to review this submittal. 1. The application identifies the exception quoted in the narrative is not correct for this site - the site must connect to the floodplain channel, which is on the lot to the north. 2. Please provide a drainage report or updated narrative The contact for this land use application will be Hayley Balzano 97 0.400.3552. The Department of Planning Services has reviewed the submitted materials for the proposed amendment to USR-1435 to add additional lands for the concrete batch plant application and have the following comments: 1. Please provide greater detail on the proposed amendment. Is it the intention of Hall -Irwin to discontinue the current uses for mineral resource development facilities including open pit mining and materials processing, a concrete and asphalt batch plant, a concrete recycling facility, and a landscape material sales yard completely and provide for open pit mining and materials processing on the 248.62 acre parcel and to add an additional 34.37 acre parcel for the batch plant only? Please provide greater detail in the narrative. 2. Please provide a Re -Certification of the Certificate of Conveyances. Document must be current within 30 -days of the application submittal. Date on the Certificate of Conveyances Document submitted was June 27, 2017. 3. Please provide a signed copy of the Surface Estate, pages 1-5 4. Please sign the Access Permit Application Form 5. The calculated application fee is 5000.00 dollars for the first 10 acres and 20.00 dollars for each additional acre. By calculation the property is 34.37 acres in area. Please provide the application fee of 5487.40 dollars. With the re -submittal of the missing application components and accompanied with the additional information required as outlined in this letter, including the application fee planning staff will set the case for processing if the application is deemed complete. On an aside, please consider introducing yourself to your neighbors and letting them know of your proposed site improvements and proposed future uses on the property. This phase of the planning process is a content review of the submitted materials, NOT a technical review. Comments made during this phase of the process will not be all-inclusive. County staff will perform a detailed technical review of the project once the submittal application is deemed acceptable and is promoted to the review phase of the planning process. With documents and formatted materials received as specified herein and re -submitted to this office for case initiation and set-up, staff will commence with the referral process. Should you have additional questions or require clarification on any of the points presented herein, please contact Kim at 970.400.3549. Thank you. 1 ` 7l-l.F:q.f1..set I I F %Judie-, Planing S rvices File: Bestway Nissen Mine PRE 16-0198 Traffic Impact Study Nissen Pit USR Amendment Weld County, CO Prepared For: United Civil Design Group, LLC 1501 Academy Ct. Ste 203 Fort Collins, CO 80524 Prepared By: KELLAR ENGINEERING www.kcllarcngincGring.com 970.219.1602 phone March 6, 2017 Sean K. Kellar, PE, PTOE This document, together with the concepts and recommendations presented herein, as an instrument of service, is intended only for the specific purpose and client for which it was prepared. Reuse of and improper reliance on this document without written authorization from Kellar Engineering LLC shall be without liability to Kellar Engineering LLC. TABLE OF CONTENTS 1.0 Introduction 2.0 Existing Conditions and Roadway Network 2.1 Existing Traffic Volumes 3.0 Pedestrian/Bicycle Facilities 4.0 Proposed Development 4.1 Trip Generation 4.2 Trip Distribution 4.3 Traffic Assignment 4.4 Short Range Total Peak Hour Traffic 5.0 Traffic Operation Analysis 5.1 Analysis Methodology 5.2 Intersection Operational Analysis 5.3 Site Access 6.0 Conclusions List of Figures: Figure 1: Vicinity Map Figure 2: Recent Peak Hour Traffic Figure 3: Trip Distribution Figure 4: Site Generated Peak Hour Traffic Figure 5: 2018 Short Range Background Peak Hour Traffic Figure 6: 2018 Shod Range Total Peak Hour Traffic Page 3 3 3 5 5 5 13 13 13 13 13 14 14 16 4 8 9 10 11 12 Nissen Pit TIS Page 1 TABLE OF CONTENTS (continued) List of Tables: Table 1: Table 2: Table 3: Table 4: Trip Generation Recent Peak Hour Operation 2018 Background Peak Hour Operation 2018 Short Range Total Peak Hour Operation Appendices: Appendix A: Traffic Counts Appendix B: HCM 2010 Calculations (Synchro 9) Appendix C: Level of Service (LOS) Table Appendix D: Aerial Image Page 15 15 15 18 20 26 27 Nissen Pit TIS Page 2 1.0 Introduction The purpose of this Traffic Impact Study (TIS) is to identify project traffic generation characteristics, to identify potential traffic related impacts on the adjacent street system, and to develop mitigation measures required for identified traffic impacts. This TIS is for the Nissen Pit USR Amendment project located on the north side of WCR 58 east of the intersection of WOR 49/WCR 58. Kellar Engineering (KE) has prepared the TIS to document the results of the project's anticipated traffic conditions in accordance with Weld County's requirements and to identify projected impacts to the local and regional traffic system. 2.0 Existing Conditions and Roadway Network The project site is located on the north side of WCR 58 east of the intersection of WCR 491WCR 58. Access to the project site is from the existing access point to WCR 58 located approximately 1,200' east of the WCR 49ANCR 58 intersection. See Appendix D: Aerial Image. WCR 58 is an existing east -west street with a posted speed of 45 mph and an existing two-lane cross section adjacent to the site access point. WCR 58 is classified as a collector road on the Weld County Road Classification Plan. 2.1 Existing Traffic Volumes Existing peak hour traffic volume counts were conducted by Fetzer Engineering, LL. using data collection cameras at the site access onto WCR 58 on Thursday, January 26, 2017. The traffic counts were conducted during the peak hours of adjacent street traffic in 15 -minute intervals from 7:00 AM to 9:00 AM and 4:00 PM to 6:00 PM. These turning movement counts are shown in Figure 2 with the count sheets provided in Appendix A. Nissen Pit TIS Page 3 Fiqure 1: Vicinity Map Nissen Pit TIS Page 4 3.0 Pedestrian and Bicycle Facilities Currently there are no existing sidewalks or bicycle facilities adjacent to the streets adjacent to and within 1,320 feet of the project site. Additionally, the proposed land use associated with the project is not anticipated to generate additional pedestrian or bicycle trips. Any additional pedestrian or bicycle traffic from this development, if any, would be negligible. 4.0 Proposed Development The proposed project consists of proposed concrete batch operations on the subject property. This TIS analyzes the project's potential traffic related impacts of the projects access to v 1CR 58. The short range analysis year 2018 includes the proposed development for this project plus a 3% per year increase in background traffic. 4.1 Trip Generation Site generated traffic estimates are determined through a process known as trip generation. Rates and equations are applied to the proposed land use to estimate traffic generated by the development during a specific time interval. The acknowledged source for trip generation rates is the Trip Generation Report published by the Institute of Transportation Engineers (ITE). The Institute of Transportation Engineers' (ITE) Trip Generation Manual, 9th Edition does not provide detailed data on concrete batch operations. As such, KE was able to estimate the weekday peak hour trip generation for the AM and PM peak hours based upon information provided by the project team (Hall - Irwin and Bestway Concrete). The project team indicated that they will have approximately 15 concrete trucks making 4 to 5 round trips per day. Two full-time employees and approximately 75 to 80 total trips from the site per day. It is anticipated that 25% would travel eastbound on WCR 58 and 75% would travel westbound on WCR 58. As the market expands they expect this could get closer to 50150. They also indicated that the anticipated schedule for their trucks includes: concrete trucks — 4 to 5 trips per day and cement bulker trucks — approximately 5 loads per day. During the AM/PM peak hours the project team estimates approximately 12 vehicles arriving during the AM peak hour and a maximum of 10 vehicles arriving during the PM peak hour. This Nissen Pit TIS Page 5 would be a mix of employee vehicles and trucks, Therefore the Nissen Pit USR Amendment is conservatively anticipated to generated approximately 80 daily trips, 22 total AM peak hour trips, and 22 total PM peak hour trips, See Table 1: Trip Generation. Nissen Pit TIS Page 6 Table 1: Trip Generation Nissen Pit LJ R Amendment Code ITE Land Use Size Average Trips Daily AM Peak Hour Trips PM Peak Hour Trips Rate Total Rate In Rate Out Total Rate In Rate Out Total N/A Concrete Batch Operations -'37 acres * 80 * 12 * 10 22 * 10 * 12 22 N/A = Not Available The Institute of Transportation Engineers' (ITE) Trip Generation Manual, 9th Edition does not provide detailed data on concrete batch operations. As such, KE was able to estimate the weekday peak hour trip generation for the AM and PM peak hours based upon information provided by the project team (Hall -Irwin and Bestway Concrete). The project team indicated that they will have approximately 15 concrete trucks making 4 to 5 round trips per day. Two full-time employees and approximately 75 to 80 total trips from the site per day. It is anticipated that 25% would travel eastbound on WCR 58 and 75% would travel westbound on WCR 58. As the market expands they expect this could get closer to 50150. They also indicated that the typical schedule for their trucks includes: concrete trucks - 4 to 5 trips per day and cement bulker trucks — approximately 5 loads per day. During the AM/PM peak hours the project team estimates approximately 12 vehicles arriving during the AM peak hour and a maximum of 10 vehicles arriving during the PM peak hour. This would be a mix of employee vehicles and trucks. Nissen Pit TIS Page 7 Figure 2: Recent Peak Hour Traffic N NIS N Legend AMIPM O 0 0 .0 0 0/U 21/29 VVCR 58 0/0 32/20 Nissen Pit TIS Page 8 Figure 3: Trip Distribution N N icn 0 0 C 0) C x Ill 25% WCR 58 Nissen Pit TIS Page 9 Figure 4: Site Generated Peak Hour Traffic N NTS Legend AM/PM ovi co co C Go CO ci U C a, w A 3/2 R. 58 Nissen Pit TIS Page 10 Figure 5: 2018 Short Range Background Peak Hour Traffic N NTS Legend AM/PM rem- 141- Cr O 0 0 0 0 C U) a a, C w 0/0 . 22/30 WCR 58 0/0 4\ 33/21!._ Nissen Pit TIS Page 11 Figure 6: 2018 Short Range Total Peak Hour Traffic N NTS 1s N N Legend AM/PM "mss CO Csbil 9/8 _ 33/21 WC. 58 Nissen Pit TIS Page 12 4.2 Trip Distribution Distribution of site traffic on the street system was based on the area street system characteristics, existing traffic patterns and volumes, anticipated surrounding development areas, and the proposed access system for the project. The directional distribution of traffic is a means to quantify the percentage of site generated traffic that approaches the site from a given direction and departs the site back to the original source. Figure 3 illustrates the trip distribution used for the project's analysis. 4.3 Traffic Assignment Traffic assignment was obtained by applying the trip distributions to the estimated trip generation of the development. Figure 4 shows the site generated traffic assignment. 4.4 Short Range Total Peak Hour Traffic Site generated peak hour traffic volumes were added to the background traffic volumes to represent the estimated traffic conditions for the short range 2018 horizon. These background (2018) and short range (2018) total traffic volumes are shown in Figure 5 and Figure 6 respectively. 5.0 Traffic Operation Analysis KE's analysis of traffic operations in the site vicinity was conducted to determine the capacity at the identified intersections. The acknowledged source for determining overall capacity is the 2010 Edition of the Highway Capacity Manual (HCM). 5.1 Analysis Methodology Capacity analysis results are listed in terms of level of service (Los). LOS is a qualitative term describing operating conditions a driver will experience while traveling on a particular street or highway during a specific time interval. LOS ranges from an A (very little delay) to an F (long delays). A description of the level of service (LOS) for signalized and unsignalized intersections from the 2010 Highway Capacity Manual Nissen Pit TIS Page 13 (HCM) are provided in Appendix C. 5.2 Intersection Operational Analysis Operational analysis was performed for the short range 2018 horizon. The calculations for this analysis are provided in Appendix B. Using the short range total traffic volumes shown in Figure 6, the project's site access is projected to operate acceptably. See Table 4: 2018 Short Range Total Peak Hour Operation. 5.3 Site Access Vehicular access to the property is proposed from the property's existing access point on the north side of WCR 58 located approximately 1,200' east of the WCR 49/WCR 58 intersection. The auxiliary lane analysis for the access point was conducted using CDOT State Highway Access Code (SHAC). Based upon the SHAC, and a posted speed of 45 mph, a left -turn deceleration lane is required at an intersection with a projected peak hour ingress turning volume greater than 10 vph. Additionally, a right - turn deceleration lane is required at an intersection with a projected peak hour ingress turning volume greater than 25 vph, and a right -turn acceleration lane is required at an intersection with a projected peak egress turning volume greater than 50 vph. Based upon the projected traffic of the development, auxiliary lanes will not be required. See Figure 6: 2018 Short Range Total Peak Hour Traffic. Additionally, the HCM 2010 analysis was conducted using the existing roadway geometry of WCR 58 with the 2018 Short Range Total traffic. The intersection of WCR 58 and the project's site access point operates acceptably from a level of service (LOS) standpoint with all approaches and movements at LOS A. See Table 4: Short Range Total Peak Hour Operation and Appendix B: HCM 2010 Calculations. Nissen Pit TIS Page 14 Table 2: Recent Peak Hour Operation Intersection Movement Level of Service (LOS) AM PM LOS LOS WCR 58/Site Access EB Thru/Left/Right A A A A EB Approach WB ThrulLeft/Right A A WB Approach A A SB Thru/Left/Right A A SB Approach A A Overall A A Table 3: 2018 Background Peak Hour Operation Intersection Movement Level of Service (LOS) AM PM LOS LOS WCR 58/Site Access EB Thru/Left/Right A A EB Approach A A WIVB Thru/Left/Right A A WB Approach A A SB ThrulLeft/Right A A SB Approach A A Overall A A Table 4: 2018 Short Range Total Peak Hour Operation Intersection Movement Level of Service (LOS) AM PM LOS LOS WCR 58/Site Access A A EB Thru/Left/Right EB Approach A A WB Thru/Left/Right A A WB Approach A A SB ThrulLeft/Right A A SB Approach A A Overall A A Nissen Pit TIS Page 15 6.0 Conclusions Based upon the analysis presented in this TIS, the proposed Nissen Pit USR Amendment project located on the north side of WCR 58 east of the intersection of WCR 49 and WCR 58 will not create a negative impact upon the local and regional traffic system... 1. The project is appropriate in size and scale from a traffic engineering perspective based upon the existing adjacent roadway characteristics. 2. The project is not a large weekday peak hour traffic generator. The Nissen Pit USR Amendment is conservatively projected to generated approximately 80 daily trips, 22 total AM peak hour trips, and 22 total PM peak hour trips. See Table 1: Trip Generation. 3. The intersection of WCR 58 and the project's site access point operates acceptably from a level of service (LOS) standpoint with all approaches and movements at LOS A. See Table 4: 2018 Short Range Total Peak Hour Operation and Appendix B: HCM 2010 Calculations 4. Based upon the projected traffic of the project, auxiliary lanes will not be required based upon the criteria set forth in CDOT's State Highway Access Code (SHAG. 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U n I. a U VI U U 0 0 Ci 0 o 0 0 0 i_i a 9 0 p 0 0 t 0 a 6 0 9 6 0 0 0 i+ r_: !`r 0 0 0 o .1 0 0 0 u 0 0 a a 0 0 0 0 'D '3 .a .3 n 1 .a a 0 ! ci 0 'e7 a a 1 V 0 0 1 0 a a 3 3 3 :3 9 a •a a •s* U a a •3 7 U 0' U U U P. 0 a I U U U U a a a a a a c `GI 13 7 13 U U it a. li a a n a 0 U 11' U U' U 9 a a a a n a .3 3 U IT a a U '0 7 U 7 a U a Z Pedectrians on'Cresswlik PM - 15 Minute ..A rarniar It Bu •ilkarttx+undLIE tatb!cundLIE &{• Sauthhaurl :4cn Nortt esad:N(A Want %math 1^c1Sa1 rd ':1la 5culft I:+_ai taat Wan 1stet tail Went 9trtal 4:L1.' PM CI _I 4C U 4:35 I'M U 3 - e U 4:Si.' PM .a ,a 4• U •4:s5 fl i cl t.? U `:(ICa PM i .:i 12 U 5: L IAN 3 CI C U t+_..;^ t'}11 .1 U C U t•:45 PM •7 ' i U U . - tail U u• >i 2...11 Li Li .) .;) u• U U U Bicydes on Croswt . PM - .15 Minute 5urTw mary wi tibcanii: Lit 52 it ntbtund Ca ML S+ithlaurrd .rte® P trrLhttrnnd: NIA Ian's aqrus. Mari 'MUM 'iCIA i n min South I99i tat Won 1cabl tar Win 1atai 4:0b rig t 4_I U U 4:15 PI11 : i -:.l Lp u 4::$0 r711 ) C! '2 u 4:a5 1'M - 3 Cl Lo U . E.:72. Mt ,a j C U L...“. L: I'M 1 •.1 IL, U b: JCL I'M eI ':I 1r U tc 4h I'M 3 ,_I C U 1MAI II LI. 6 .J .11 .J J •'_I L'. It II U I'M ri-t I:m id tafa . r_8aut VA Mt : Shemin I tar, L'.E. I inc. 4,:t: - bii!u pm 3) i!ain Limn as Lam'. Lnr-riiinal i e titliS Cam: N un 4ip irrud . 9Fitt+ refeirar+ acninry.I<tr- I'Irmnr-9.111-$02-11: •:Araa<rw1: SKI ;Wiwi Nissen Pit TIS Page 19 Appendix B: HCM 2010 Calculations (Synchro 9) Recent AM Peak Hour Trani: ei r Engineering 3: WCR 58 & Exfstl leg Access OK8,'LU it' Untamed= Intt Delay, sNeh Movemerg EFL EST 'V ET VER 3BL Law C u:raltcin: Traffic VS, vehth Future Vo Conflicting Peds., Th aontrol gin Cliarmelized Starage Le Veiliii hierian giorage., Grade, Peak Flour =actor Heavy Vehicle , %"G Mvrit Row , veal 4 0 32 ci 21 0 21 0 0� 0 0 Free Free - None 85 85 20 0 38 Majtelliimat Ijor1 0 o Fri Free. -jam 0 85 85 20 50 25 0 qi S 0 U Stop None 65 65 50 Major2 'ilirkor2 Conflicting Flow All 25 I Stage 2. Critical Hcimpy43 Critir2il EldwyStg 1 Crites Hdwy Stg 2 Follow -La Hciwy 26 5 Pot Crap -1 k er' 1328 Staff 1 St 2 Flatocon blocked, ;' May Cap -1 Maneuver 1328 My" Cap -2 Maneuver er Staff 1 Std • NEE ..1W 25 25 . 38 6.9 6.7 5.9 5.9 195 _7 836 928 .i374 838 836 587 874 28 EH SB Hal Como' Dead Hal LOS a Lansitilajor Ihrrit ESL. ERT WRY WH m 1 Capacity (vehh) RCM Lane VC Ralc HCM Como! Delay (s) IC'M Lane LOS HOM 'Rah %t h) 1328 - I A a Ole A FICA 2010T8C kallarr PE, FTOE Synchro Reporra Nissen Pit TIS Page 20 Recent PM Peak Hour Traffic Kellar Engineering WCR 58 E istina Access 02bF2812011 Intersection Int Delay. siVeh kkodemerv. EaL EEl U WEIR BL SBR Lime 'orations Traffic Vet, vEhiri 1) Future Vol, a uh I Conflicting Peds, #ihrU Contril Fri FAT Channelizecl Storage Lerch Velri in Medan y or e, Grade, % P" Hine Factor Heavy Vehicle . C;D Mimi F1` MajoriMinot 4 20 211 Free Nam 85 0 5 24 Majal 29 0 0 0 r Free - lea 7 L Major2 85 5C lSi MIND 0 n 0 stp None 8.5 Cr.m iciirig Few .�Jl Stage Sta 2 • i d El aiwy Critical F-1 , tg '1 Critical Elchvir Stg 2 Follow-up Fidel Pot Capi over Sty 1 Stagy 2 `latoon d e+' e ..`:13 fifty Cap -1 Maneuver . r1/4&" Cap -2 Maneuver Stage Stage 1 i4 ' 4.6 2.65 X317 1347 mem SNP mim Mil a �Y11 34 417 5. 5.9 878 888 rilLt 6.7 x_75 917 84ta 917 878 888 Arrith FR SR KM Cored I Delay, Hal LOS 0 ! -LansiMajor Mwrr ELL E WER, S8L_ri1 Capaciti °hj KM Lane VIC Ratio M Delay is) HM Lane Lee H .I `tile h) H M 2010TWSC Sean Kellar, PE, .PTOE OE 134 - A C A 39rtr a 9 Report Nissen Pit TIS Page 21 2018 Background AM Peak Hour Traffic Kellar Engineering 0217 3: WCR 58 & Existing Access lntersedion int Delay, "°o L h Movement EEL EDF "T4. SEAL L 'Configurations Trams Vol, velibli Future Vol, ; ehfri Confliding Pek,, Sign Control RI ChymeFixed :3:Drage Length Veth in Median crags, Grade. ` Peak Hour Factor Heavy Vehicles, h+hw! Flow 4 0 I9� L 33 o -rte: Free - None • tert 22 0 in 0 CL Free Free Stop None - - - 0 0 _ 85, 85 2D 50 50 0 '0I �.w 0 0 rp None 26 0 0 0 Maim%lira liAajcrl Majar2 nor2 B � Conflicting Fksw AuI Sme Ste Critical Eldity Critical Waxy - tg 1 Critical Fldary Stg 2 Follow-up Heilary Pot Cap4 Maneuver ,t 1 4.6 N ES 2.65 1327 65 26 Elm .. 6.7 5.9 5.9 3.95 834 927 886 Elm Star 2 873 _"yam i atco I -. c '' +.%.% fvlov Cap -1. Maneuver 1327 rit _'v C:ap-2 r k ineLpir Stage 1 Stage N IS ram WIN 834 834 886 87.E 927 SNIP Argarcach EB SE QQriroi Delay, ELM L 3 A r fl r LariesikorDerra EEL EBT 'NBT WEIR 3 BL it Ca pazity N; Hal Lane ti'110 RaIio H` h� Como] Delay (s) KAI Lane- LOS r 2 � 13 - • A RCM 95th %ltite 7 a • HCIVI 2x010 MSC Sea Kellar, PE, PL OE Synchro or Report Nissen Pit TIS Page 22 2018 Background PM Peak. Hour Traffic. Kellar Engineering 3: WM 58 & Existing Access 020812017 Int D'6'r v v'= h older en L Lane Configurarlions Traffic VS, i, Future- Vol, veleuti Conflicting Peck fhiw Sign Control FAT Channelized Storage Large Veh in Mean S-ccr e . # Grade, Peak Hour Factor Heavy Ve h i - e 1,'b Vint Row 4 0 21 21 0 & -r Free- None 85 U Majoribbnot Ilajer1 Tem 33 0 0 0 0 Free Free - Wine 0 ' 0 Stop &op None 0 - 0 0 85 85, 85 85 50 50, 50 35 0 0 0 0 Major2 Minnr2 len Confiding Few All 35 stage- Star 2 - Critical Hilary4_ Critical -ItheryStg 1 Critcalr 2 Follow-up Hawy 2.65 Pot Cap- a �pVar'euver. 1316 rto 1 Stage 2 Ram blocked, May Cap -1 Maneuver er 1316 Skid ,L: -2 8 � neuer Stag 1 2 $- PI 2 ape Appmechi 83 Mir ION Ele MOP tem IMP rn a 60 35 25 6.9 5.9 5.9 395 839 81/ 35 16 r. aas 16 839 ye 877 '7 SE{ Hal Cerro' Delay. s RCM LOS I! Maj r Mvr 1. ESL ESQT '/YBR: SEILn 1 Capacity ( .) Hail Lane .s IC: P iii RCM Cortrol Eby (s) RCML&1 LOS RCM 95th ,' e ► wsh) I-4CM 20t0 MSC Sean Kellar: PE, PT0E 131; 0 Y1 aim eta min a Nissen Pit TIS Page 23 .2018 Short Range Total AM Peak Hour Traffic Kellar Engineering 0228'2T7 31 it, Vl P. & Existing' Access lirrierseciion Irt Delay, `s'h fielcivement e r r' I EL FP, WET MR SRL Lane uratons Traffic Vol, *EMI 9 Future Vol, vehth Conflicting Peck. iiihr 0 Sign C:ontrol ". r PT Channelizeci - Storage Len. Veil in Medan Storage., 4- - 0 Gracie, % - I) Peak Hour Factor 85 . F a' y % 50 20 Writ Flow 11 39 I jorw 1joi1 4 33 33 e Free In Tao - 3 22 3 0 Free Free - None 0 85 20 59 26 4 liked 85 2 8 2 8 0 Stop &op iii 0 85 B5 50 50 Iletner2 9 Conflicting Flow NI Star 1 Stage 2 Critical Haley Critic Hclary Stg 1 CriticalH Stg2 Falb -up H 2.65 Fat Capp, Maneuver 1323 ge 1 L` 2 Ratixin bleed, WA! Cap -1 Maneuver 1323 1-I May Cap -2 p-%ctaneave 29 4 0 Star 1 zeta 2 88 8 28 6 min 6.9 ! l 5.9 5.9 _.5 3_75 u 808 925 884 8M 802. 925 Fli l -e - 1� 1 84 8 �jL' hp- 1 APPINSI 8L VVB BB NOM Conirdl°, FM LOS .botner bete Maj rrrn L EBT T . SBLn 1 9.1 A Szi Y, HCM Lane WC Ratio RCM Cortrol Delay (C) HCM Lane LOS M 95S %tile (vh) HCM 2010 IMO .der K;efiar. PE, FTOE 1323 01108 A 0 3ynchro9Repot: Nissen Pit TIS Page 24 2018 Dort Range Total PM Peak Hour Traffic Kellar Engineering 02128/21:g WCR 58 & Existing Access Inuersectiian "not Delay, soieh Movement, 2_3 a .fr i1 �lHR IM SHR' Lary Configurations TN& VS, vehlh Future Vol, veil/ill Conflicting Pedg., h Sign Control FAT Ch +d Storage Length Vettirr i 37crage, # Grade,' Peak Hour Factor Heavy Vehicles, % h Raw 8. 8 0 Frcc a 50 9 o' 4 21 r Free None 0 U 85 25 I 33 2 30 2 0 0 Free Free - None 0 85 85 7 50 35 2 Mapr2 3 3 Slop 0 0 U 85 4 r:2' 9 9 None 85 50 11 nflic ng Flaw All Star 1 Stage 2 ethical Holiffy aritical Hichley .Ltg 1 CaritiaalH tg2 F cllc - Hthwy Pot Cap -1 Maneuver Stage 1 Stage 2 Platocei blocked, % Mow 1 Maneum M Cap -2 ribaneuver Star St °e 2 Arproech 38 INS 4..6 2.65 1312. 1312. dEn cim nen _ EB aim 36 7.6 6.6 6.6 195 804 870 861 36 v 61 175 915 Boo 915 8 864 re — SB Mr C:or: rol Delay. : HC:ak' LC:IS lame Laine4"kt 2.1 ' jcr EEL EB;T VelBT MASK& Ca (' ) Hal Lane VIC Pale;: RCM Corral y (si Hal Lane LOS HCM 95th veh) l+CM2010T'' ' C Sean Kellar;PE, PTOE 13.2 0.001 A U I 0,83016H - 91 _ - A 0 Synchro 9 Reperr. Nissen Pit TIS Page 25 Appendix C: Level of Service (LOS) Table Level of Service Definitions Level of Service Signalized Intersection Unsignalized Intersection (LOS) Average Total Delay Average Total Delay (sec/veh) (sec/veh) A ≤ 10 ≤ 10 B >10and ≤20 >10and ≤15 C >20and ≤35 >15and ≤25 D > 35 and ≤ 55 > 25 and ≤ 35 E > 55 and ≤ 80 > 35 and ≤ 50 F >80 >50 Nissen Pit TIS Page 26 Appendix D: Aerial Image (Googie Earth) Nissen Pit TIS Page 27 Typical Traffic Control Plan Diagram Notes: 1. The above diagram is typical for normal shoulder work applications. Additional signing may be required. 2. Vehicles or construction equipment shall not be parked in the travel way and should be moved to the shoulder. If vehicles or construction equipment are not able to be moved out of the way of traffic, channelizing devices are required for day use only. No night time obstructions are allowed. 1 t t 4 T t r 1 A ill rig Oho Hello