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Home My WebLink About20231308.tiffUSE BY SPECIAL REVIEW EIS RI. APPLICATION EOFl Pt ANN4N 7. DEPARTMENT USE: DATE RECEIVED f.iArrM f 5 _ CASE N �i sIGNr-f] APPLICAT1 a RFCEIV€D BY PLANER ASSI3NEJ: PROPERTY INFORMATION I's the property cunAPntly in violatian7 nNo iT1 Yes Violation Casa; Number. Pa rzel Nurober- 1 '} 5 7 D , _ _ U a 4 3itt Address.; 2SI i' COUNTY R 35• - Legal Description- 16°7?.V4Ph1W 1 ' 4 66 N Dr LOWER + iTti.AM DP.AiNAcE DITCH {2D2Ft 1 S,ection, ' „Township 4 N, Rare S Zoning District; AG Acreage' 77.0522 ilArrthirt sued Dian cr towF itra? nip /[1Yen Name' ✓ I/Ater (well pErr- it # or water drstrct tap #): N'A Sewer (On -site wastewater treatman I system permit # or sewer accurst #)= NrA Eloodplain alialEY.es GeoIc l erdEIND; Dyes Airport er)ay EINcr I[]Yes PROJECT U SR Use being applied for 5 ni6govraft sasr garlic i N r e fff propel business: Perot Misr 061LC PROPERTY OWNER{S} (Attach a:616053i i shm's rf raecess i y-} Name: Awry Laefiler Company; Phone #; 97.5-101-237-1 Email: Street Adore..: 22808 Ci13N ' WAD 35 City Setup Code: La Sans, CO 80645. APPLIOANTIALm-IoRLZEO A.GENT (Authorization Form rnrst be;inducted ethor as an Arfrorfzed Agent) Name:}' a,ndrlen C-0enpany: +'hoc[ Ei*'rgy Phone : 719-M-4-527 Street Addr : 7750 1 bin s per[ 'r4'5 Em ll: k loran@prirotel irwnet I yrf late p Cow: Derrrer, CO 80202 IMe) hereby depraso and state under penaltes orporju j tha9 all statements, prerpasals. andior plans submitted with ar contin1 'Ablhin the applir:alinn are true anc 00- rest 03 the bt f r f my dour ) knai Ir..C.qe. All rare LArcrum of the properly ly must sign this application. If an Autnonzed Avant signs, ar3Au.tharization Evan slgneri oy all fee o rs must h$ inch...di-Al with Lh0 applic [tinn It The tee own -r :s a ccrporat:Or,- .avidence must bo included ::ra.lif.7.Eb ng the signatory has the lec, l 8ui'-rarity to sign fob wrp,ore fin: • fa ,ferry . DC Mar //I.? ate Signaatun= Date ▪ Ir.t Prir.t _ 121-.5.12i 9 er Sig na(ur I.(WO. Jerry LorfRrr Owner— plee_ print) DE PARTMENTE OF PLANNING ING BLAMING. DEVELOP -VENT REVIEW AND ENVIRONMENTAL 2-i.EALTH 1555 NORTH 11-" AVENUE GREE LEY, CO EO6:#'. AUTHORIZATION FORM • Oi'O permission to f l� u 'rr . Pivot E er9p (Authorized AgentiAppr nt-paease prin3) to apply for @rry Planning, gLtlldlhg, Access, Gratfing or OWTS permit$' n rwr behalf_ for the in moody located at',addrem. CJ parce' number') hamiu. 23x96 COUNT' F. OAD 35: Pc: 105701000041 Legel Description 16 + 2N 4 1 68 N �F I a` section { Town hrip N, Rarftge_.95L'tir S ubdiviaic -i Name: Lot Block P mpert-j nom I nlomaton_ Address 2S506 COUNT -V. R{ All 3.L-, Ls got, C. r s]Rd5 Phone:1790377 E-mail= Authotl2cd Agent'Applicant crOeteioL f nI ormatic n: Address: 175a 15th i oct #QU0, Done' 8 2O2 Phone:/1'Y-233-4322 E -Nell- k= drn@P•Noter]argy'.neL Corre,,f+OtyOCtyce o be. EFTA tty O5+rnar Authuthed I gent'Applicant ID by Meiln EmaII Addi ioi I rnf0; ChvOl hvreiay cJerirfyr, und4f perrarrty of P*r9ury+ and after cerefkaly reading the entire contents of fhrs docuruen that the infonnailoo dated above Is Imo and correct to the bqi# cf my {our) Imowlregn r j Dais /, OVellb* Signature Data Subscribed 2116 sworn [4 before me 9hi day of 4' _ 20 Y My comr`s3Iorl expires I JULIA lI FREEDMAN N o Eery P.ty he State ;' tiO 1rado Notary ID 420224.=•1371a My Commie; on E Ir EDs C4-28-2026 I y _ o6�rw Public Pivot Pivot Solar 36 LLC — Planning Questionnaire • Energy • Pivot Solar 36 LLC ("Pivot") is seeking to construct a 5 -megawatt DC solar garden on Weld County Parcel # 105701000041. • The project will be built on approximately 35 acres of the 66 -acre parcel. • The property currently hosts an additional solar project (Pivot Solar 22 LLC). • The solar array will deliver electricity to Xcel Energy for 20 years through the Utility's "Solar Rewards*Community" program. After the program sunsets, Pivot intends to enter into a power purchase agreement with the utility to continue providing clean energy to Weld County between years 20-40, which is the full term of the lease (40 yrs). • The panels will be no more than ten feet above grade at their highest point and will be surrounded by a decorative wildlife friendly game fence, similar to what the Colorado Department of Transportation ("CDOT") and Colorado Parks and Wildlife ("CPW") use. Exact height subject to final structural engineering. • The project lease area will include panels and inverters mounted on steel posts/beams, concrete -pad - mounted transformers and other electrical equipment, an access drive with hammerhead emergency turn -around, and perimeter fencing with gates. • The solar array will be designed to meet the maximum wind and snow loads applicable in Weld County. In addition, the panels themselves have a manufacturer warranty of 25 years. • A contracted Operations and Maintenance ("O&M") crew of one to four people will visit the site up to eight times annually for routine inspections, maintenance, and vegetation control and on an as - needed basis to address equipment outages. There will be no permanent staff on the site, which will be remotely monitored. • Upon the conclusion of the project's useful life, the project owner will remove all project materials and return the property to the landowner in the originally leased condition, minus any vegetation and grading. Please reference the attached Decommissioning Plan for more information. • The Weld County Comprehensive Plan states that one of the County's top priorities is preserving landowner rights and creating an environment conducive to local economic growth, all while maintaining the overall well-being of the local population. Specifically, the code plan states "...the goal of the Comprehensive Plan [is] to promote opportunities for County Citizens, while protecting private property rights." • Pivot's ground lease presents an advantageous opportunity for the state to generate additional revenue, which will go toward funding schools in Weld County and across the State. Revenues from this project would far exceed any revenues that would be collected from agricultural leases on the same acreage. The larger parcel currently contains two active solar projects, and four active oil and gas wells. • This project has committed to donating 100% of the energy produced to low-income Coloradans. Pivot's goal is to support and alleviate some financial pressure around paying for their energy bills. • This project will also serve as a great example of the mutually beneficial option of co -locating solar and O&G operations on the same piece of land. pivotenergy.net Pivot Pivot Solar 36 LLC — Planning Questionnaire Energy • The land is currently zoned agricultural. In the past, the land has been used for agricultural growth and harvesting. • The parcel has an existing oil well on premise. Pivot plans to maintain a 25 -foot setback from the well operation. • Pivot plans to design the solar garden on the eastern side of the site as to stay more than 500 feet from any neighboring residential parcels. • On June 16, 2022, all residence within 500 feet of the project parcel were notified by Pivot of the proposed solar project. Supplemental document (16 Buffer Report) lists all addresses that were notified; the contact information was provided by the Weld County Assessor's Office. • Much of the land located to the north, east, and south of the property is agricultural land. • There are a few residences located to the west of the parcel, on the other side of WCR 35. • All residence and property owners within a 500 -foot radius of the parcel boundary have been notified of the project in progress. • During construction, crews will be on -site from approximately 7:00 am - 6:00 pm Monday -Friday. Most vehicles will arrive early in the morning (7:00 to 9:00 am) and will begin departing the construction site around 3:00 pm. • Once constructed, the site will be unmanned but the solar farm will generate electricity during daylight hours each day of the year. • Operations and maintenance crews will be on -site up to eight times annually for up to four hours per visit. • During the construction phase, there will be approximately a forty -person crew on site each day. The construction crew will consist of project managers, laborers, electricians, civil contractors, and any other necessary personnel for the project. Once construction is complete, there will be no one on site, other than the O&M crew during their scheduled trips. • The site will not be open to the public. • The gate around the site will be locked and will only be accessible to those constructing the facility or periodically maintaining the facility. The site will also be accessible to life -safety emergency personnel. • No animals will be onsite while this project is being developed or in -use. • Not applicable. pivotenergy.net Pivot Pivot Solar 36 LLC — Planning Questionnaire Energy • There will not be any structures built onsite. • There will not be any stockpile, storage, or waste areas onsite. • Any debris, junk, or wastes associated with building the project will be removed and disposed of property prior to completion. No waste will be produced once the array is "turned -on" and producing energy. • Please reference the Vehicle Trip Generation Table Below. Table 1 — Vehicle Trip Generation Project Phase (Time Period) Vehicle Type Estimated Grass Vehicle Weight Number of Vehicles Per Day Maximum and Average Vehicle Trips Per Day Site Preparation (approx. 2-4 weeks) Equipment Hauling Trucks 34,000-65,090 lbs 0-2 D-4 Passenger Vehicles 2,00D -10,x00 lbs 2-5 4-10 Fuel Delivery 24,000-30,090 lbs 1 2 Max —16/Ave - 6 Material and Equipment Delivery (approx. 4 weeks) Conex Container and Delivery Trucks 39,0D0-50,090 lbs 5-15 1D -3D Equipment Hauling Trucks 20,0D0-40,090 lbs 0-4 D-8 Max — 38/Ave - 10 Solar Garden Installation (3-4 months) Passenger Vehicles 2,DlD to 10,00D lbs 1D-15 2D -3D Fuel Truck 29,000 to 3D,9D0 lbs 1 2 Material Delivery Truck 20,0D0 to 3D,9D0 lbs 1 2 Max — 34/Ave - 24 Operations (ongoing once operational) Utility Vehicle 2,DlD to 10,00D lbs 1 per month or less Max - 2/Ave - 0 Disturbance Surface Type Disturbance Area (sf) Disturbance Area (Ac) Gravel Drive 11,966 0.275 Concrete Equipment Pads 1,700 0.039 Total 13,666 0.314 • The remaining project area will be seeded with a native pollinator friendly grass mix which will decrease runoff as it is less impervious than row crop. • No parking spaces are proposed on -site. This site is not open for public access. pivotenergy.net Pivot Pivot Solar 36 LLC — Planning Questionnaire Energy • Pivot is proposing to use a decorative wildlife friendly fence to enclose the area as well as low growth decorative native grasses in between array rows and around the sides of the array. • The proposed fence is Colorado Parks and Wildlife's preferred decorative "wildlife friendly" game fence, 8' tall with a smooth top wire. • There will be no on -site outdoor storage areas. • Since the solar array will turn to track the sun across the sky, the vegetation under the array rows will continue to grow. • Grass and vegetation will be monitored during all O&M visits and will be mowed on an "as needed" basis. Landscaping will be minimal and will be kept in a suitable condition for the surrounding area and to support the operation of the solar facility. • Once the project has reached the end of its useful life and the lease has been terminated, Pivot or the facility owner will remove all improvements made and either recycle, reuse, or repurpose all materials. The site will be re -seeded with a native dryland seed and the property will be returned to the landowner ready to be developed as he or she wishes. • Please reference the attached Decommissioning Plan for more details. • Pivot will maintain vegetation under the panels • Internal roads and setbacks between fence and array have been designed to provide access by emergency vehicles if need be. • In Section 22-2-10 C, the County Code states that one of its guiding principles is to Promote Economic Growth and Sustainability. The proposed project is a PV solar facility that generates electricity without generating any emissions. This project will last for approximately 25 years, bringing the County economic revenue and support. This project will further Weld County's stated goal of encouraging the development of alternative energy sources as a hedge against the volatility of traditional energy sources. • In Section 22-2-60 A, the County Code states the importance of Wildlife in the County. The proposed project will be surrounded by a wildlife friendly game fence to ensure no animals are trapped within the project area. Studies of the project area did not reveal any nexus with any protected, threatened, or endangered species or their habitats. In addition, Pivot will work with Colorado Parks and Wildlife to ensure the project meets any necessary requirements. • In Section 22-2-60 B, the County Code states it aim to support responsible energy and mineral development. Solar is both an alternative and sustainable energy source that does not emit any odors and has limited vehicle traffic once construction is complete. In addition, the agricultural land that the solar facility is on will be preserved throughout the lifespan of the solar array and can be used for agricultural purposes following the life cycle of the system. This development will not generate any perceivable noise and therefore complies with this development requirement. pivotenergy.net Pivot Pivot Solar 36 LLC — Planning Questionnaire Energy • Section 23-3-10 of the County code states: The A (Agricultural) Zone District is intended to provide areas for the conduct of agricultural activities and activities related to agriculture and agricultural production, and for areas for natural resource extraction and energy development, without the interference of other, incompatible land USES • The solar facility will not have any negative effects on the agricultural land beneath it. Pivot will seed the ground beneath the solar array with a native seed mixture that will help preserve the agricultural land. • The solar array will use native seed mixture that will help maintain high -quality soils for any future agricultural production following the life cycle of the array. • Please see the supplemental Decommissioning Plan document for additional information. • The proposed solar array will meet the health, safety, and welfare goals of the County because the array will not produce any odors or fumes. The solar array will help produce clean, long-term energy for the County, therefore meeting the goals of maintaining a healthy society. • In addition, it should be noted that 100% of the energy produced to low-income Coloradans. • No irrigation features are being proposed in the scope of this project. • This site is not located within any of the above Overlay Zoning Districts. • There are no State or Federal permits associated with the project besides state electrical permit and state SWPP, which will be complete prior to submission of building permit. pivotenergy.net Pivot Pivot Solar 36 LLC — Development Review Questionnaire Energy • The access to the site will come from CR 35. The entrance to the site will be located directly east of the proposed site. This access will also serve as the entrance to Pivot Solar 22 LLC. • The access proposed for this site has been approved by Weld County Public Works. • Proposed change will be to improve the existing access route to and from the site (between public ROW and lease area) with gravel aggregate to accommodate emergency services. • An access gate will be located at the entrance of the fenced area. This access gate will be locked and not accessible by the public. This gate will be accessible to emergency vehicles and operators. • If required by the County, Pivot will use opaque fencing that complies with the County code. • The proposed access will be located off CR 35. No other intersections are located near this access. • There are no anticipated visual difficulties seeing oncoming traffic from our proposed access point. • Please reference traffic impact study included herein. • The entire site and the point of access is overall very flat. The topography of the full site varies by only a few feet on average overall. pivotenergy.net Pivot Pivot Solar 36 LLC — Environmental Health Questionnaire Energy • No • No septic or sewage disposal is proposed to be on site. • No storage or warehousing is proposed to be on site. • No storage and/or stockpile of wastes, chemicals, or petroleum will take place onsite. • There will not be any fuel storage on site. • No vehicle washing will take place. • No floor drains will be built. The site will contain its runoff the same was as before. The panels do not increase the impervious surface of the site. • The solar array will not release any air emissions. • N/A • N/A • Noted. Completeness Review Updates: • Applicant will provide portable toilets during the time of project construction. • The manufactured stated output will not exceed: <65dBA@lm and 25°C. For the purpose of comparison, this is approximately the noise made by a residential air conditioner. The inverters will be placed at the center of the array; therefore, the sound produced will not be audible from outside the array area. • If water is required to be used in order to mitigate dust control, application will provide water by truck. pivotenergy.net Pivot Solar 36 LLC — Additional Miscellaneous Questions The following questions provide additional context about our proposed project. These questions were noted in our completeness review for a separate project. 1. What is the 'Reservation Letter'? This is a proxy for the interconnection letter (which is still in process). We are using this to demonstrate that Xcel Energy has awarded the project to Pivot. 2. Provide a Utility Company Interconnection Agreement. This is in process. Reservation Letter attached in lieu. 3. How many solar panels will there be on the site? -11,000 4. What equipment will be on the site during construction. Construction trailer? Cargo Containers? Job trailer (unlikely but dependent on contactor preference) 40' Conex (1-2) Telehandler (1) Skidsteer (1-2) Mini excavator (1) pile drivers (1-2) 5. What is the lighting plan? Will there be lighting on the site during construction? N/A. No onsite lighting. 6. Address how the cables will be underground per Section 23-4-1030.C.5. Our DC circuits will be mostly in above ground CAB which typically is 42" above grade (minimum). Our low voltage AC circuits will all be buried but, as of now, our plan is to have our medium voltage (12.47kV) interconnection equipment on overhead poles. Notice of Inquiry Weld County Pre -application Case # PRE22-0136 Date of Inquiry 6/1/2022 Municipality Evans IGA Name of Person Inquiring Pivot Energy c/o Kyle Sundman Property Owner Jerry Loeffler Planner Angela Snyder Planner Phone Number 970-400-3525 Planner Email Address asnyder@weldgov.com Legal Description W2NW4 1 4 66 N OF LOWER LATHAM DRAINAGE DITCH Parcel Number 105701000041 Nearest Intersection CR 35 & CR 394 Type of Inquiry USR for Solar Energy Facility The above person met with County Planning staff about developing a parcel of land inside your designated Intergovernmental Agreement/Coordinated Planning Agreement Boundary. County'Planner's signature Would you like to pursue annexation of this property? NO _X ___ YES Date of Contact _6/30/2022 Comments: _Anne Best Johnson Signature of Municipality Representative Title Community Development Director 7/7/22 Date Please sign and date to acknowledge that the applicant has contacted you and return this signed form to Weld County Department of Planning Services. Weld County Planning Department 1555 N 17th Ave, Greeley, CO 80631 - (970) 400-6100 - (970) 304-6498 Fax 20181107 Notice of Inquiry Weld County Pre -application Case # PRE22-0136 Date of Inquiry 6/1/2022 Municipality La Salle IGA Name of Person Inquiring Pivot Energy c/o Kyle Sundman Property Owner Jerry Loeffler Planner Angela Snyder Planner Phone Number 970-400-3525 Planner Email Address asnyder@weldgov.com Legal Description W2NW4 1 4 66 N OF LOWER LATHAM DRAINAGE DITCH Parcel Number 105701000041 Nearest Intersection CR 35 & CR 394 Type of Inquiry USR for Solar Energy Facility The above person met with County Planning staff about developing a parcel of land inside your designated Intergovernmental Agreement/Coordinated Planning Agreement Boundary. Count/Planner's signare Would you like to pursue annexation of this property? NO X YES Date of Contact January 2023 Comments: This property is not eligible for annexation at this time. Please sent the Town ot _ LaSalle a reterral as part ot the review process so we may comment on the details of this proposal. br.A-&14Town Planner 1/19/2023 Signature of Municipality Representative Title Date Please sign and date to acknowledge that the applicant has contacted you and return this signed form to Weld County Department of Planning Services. Weld County Planning Department 1555 N 17th Ave, Greeley, CO 80631 - (970) 400-6100 - (970) 304-6498 Fax 20181107 FOR COMMERCIAL OR INDUSTRIAL BUILDINGS, PLEASE COMPLETE THE FOLLOWING INFORMATION: Business Name: Address: Business Owner: Home Address: Pivot Energy Renewable Services 1750 15th Street #400 Pivot Energy 1750 15th Street #400 Phone: City, state, zip: Phone: City, state, zip: List up to three persons in the order to be called in the event of an emergency: NAME TITLE PHONE Angela Burke, Sr Manager, Project Engineering & Analysis, 989.412.4705 Denver, CO 80202 Denver, CO 80202 ADDRESS Business Hours: 9-5, Mountain Time Zone Days: Monday -Friday UTILITY SHUT OFF LOCATIONS: Main Electrical: TBD Gas Shut Off: TBD Exterior Water Shutoff: TBD Interior Water Shutoff: TBD 12/15/21 12 Delaware The First State I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMATION OF "PIVOT SOLAR 36 LLC", FILED IN THIS OFFICE ON THE THIRTIETH DAY OF MARCH, A.D. 2022, AT 5:52 O'CLOCK P.M. 6714173 8100 SR# 20221241191 You may verify this certificate online at corp.delaware.gov/authver.shtml Page 1 Authentication: 203080744 Date: 04-04-22 State of Delaware Secretary of State Division of Corporations Delivered 05:52 PM 03/30/2022 FILED 05:52 PM 03/30/2022 SR 20221241191 - File Number 6714173 STATE OF DELAWARE CERTIFICATE OF FORMATION OF LIMITED LIABILITY COMPANY The undersigned authorized person, desiring to form a limited liability company pursuant to the Limited Liability Company Act of the State of Delaware, hereby certifies as follows: 1. The name of the limited liability company is Pivot Solar 36 LLC . 2. The Registered Office of the limited liability company in the State of Delaware is located at 1013 Centre Road Suite 403-B (street), in the City of Wilmington , Zip Code 19805 . The name of the Registered Agent at such address upon whom process against this limited liability company may be served is Vcorp Services, LLC . By: Name: Authorized Person Print or Type 4753536 09/07/2021 03:52 PM Total Pages: 7 Rec Fee: $43.00 Carly Koppes - Clerk and Recorder, Weld County , CO EXHIBIT D FORM OF SHORT FORM RECORDING REQUESTED BY AND WHEN RECORDED RETURN TO: (Space above this line for Recorder's use only) SHORT FORM OF SOLAR LEASE THIS SHORT FORM OF SOLAR LEASE ("Short Form") is made and entered into as of , 2021, by and between Jerry L Loeffler, a Colorado Resident with a mailing address of 23896 Weld County Road 35, La Salle, CO, 80645 (Owner), and Pivot Energy Colorado LLC, a Colorado Limited Liability Company, doing business as Pivot Energy, with a place of business at 1750 15th Street, Suite 400, Denver, CO 80202 ("Company") (Owner and Company the "Parties" and each a "Party"), and provides as follows: WITNESSETH The Parties agree: 1. The Parties have entered into a Solar lease ("Agreement") dated as of °Val , 2011 ("Effective Date"). The Agreement grants Company exclusive rights in and to certain land more particularly described in the attached Exhibit A ("Land") as well as in and to any easements, rights - of -way, and other rights and benefits relating or appurtenant to the Land ("Property"). The Agreement also restricts certain uses of and grants certain interests in and to the Property. 2. Generally, the Agreement: (a) concerns the development of solar energy project(s) by Company involving the Property ("Project"); (b) grants Company easements, leases, and other rights related to the Property; and, (c) limits, prohibits, and restricts other development or use(s) of the Property that interfere with the rights granted Company by the Agreement. 3. The Agreement consists of two periods — a "Development Term" and an "Operations Term" (together the "Term"). The Development Term is three (3) years from the Effective Date. The Operations Term starts on the earlier of: (a) Company's notice to Owner of the start of the Operations Term; (b) the date that is twelve (12) months after the date of the start of construction of the Project as set forth in a notice from Company to Owner; or, (c) the first day the Project delivers electricity in commercial quantities (excluding test energy) and continuing thereafter until 4753536 09/07/2021 03:52 PM Page 2 of 7 the date that is twenty one (21) years after this date. By notice to Owner, Company has the right to extend the Operations Term for up to two (2) additional consecutive periods of ten (10) years each. 4. By the Agreement, Owner grants Company certain exclusive and non-exclusive rights. For the Development Term, Owner grants Company exclusive rights to the Property for performing "Development," which means (a) all actions, studies, and tests related to the evaluation and investigation by Company of the suitability of the Property for solar energy development, including performing the following on the Property: (i) inspections and surveys; (ii) archaeological, avian, geologic, and soils studies and tests; (iii) electrical interconnection and transmission studies and tests; (iv) environmental inspections, studies, and surveys; (v) the operation of equipment for evaluating, measuring, and monitoring meteorological conditions; and, (vi) conducting meteorological studies and tests and (b) construction of the Project including of those systems authorized to be located on the Property during the Operations Term. For the Operations Term, Company will have exclusive use and possession of the Land and to the extent permitted under the pertinent grant/right to Owner exclusive right to all other parts of the Property. Company will have the right to use the Property for Development and for testing, permitting, construction, operation, maintenance, repair, replacement, repowering and decommissioning of the Project and for all uses contemplated in the permits or authorizations relating to the Project, including all activities necessary, incidental or convenient to that use, and any other lawful uses consistent with the operation of the Project, including, the following activities (collectively, the "Intended Use"): As Company deems necessary in its sole discretion, whether on or off the Property, Company may erect, relocate, repair, replace, maintain, operate and remove (a) on and from the Land solar energy measurement, collection, conversion, and generation systems and equipment of any type and quantity, including fences, foundations, racking systems, inverters, converters, substations, interconnection and switching facilities, tracking systems, buildings, and other equipment and improvements for the conversion of solar energy into electricity and for the storage of such electricity and (b) and on and from the Property transmission, distribution, and communication lines, poles, anchors, support structures, underground cables, and associated equipment and appurtenances, and roads. Any such equipment, facilities or other improvements erected or constructed on the Property are referred to as the "Improvements"; Company may remove, trim, prune, top or otherwise control the growth of any tree, shrub, plant or other vegetation or dismantle, demolish, and remove any improvement, structure, embankment, impediment, berm, wall, fence or other object, on or that intrudes (or could intrude) into the Property or that could obstruct, interfere with or impair the Project or the Intended Use, as well as perform grading on the Property; Company may occupy, use, renovate, rebuild, demolish, and/or remove any existing structures on the Property, including use of any structures as office or living quarters in connection with construction, operation, and management of the Project; and, 4753536 09/07/2021 03:52 PM Page 3 of 7 Company may control and restrict access onto and over and across the Property. Owner consents to Company's location of the Improvements at any location on the Property, including at or near property lines. 5. The Agreement also, among other things: (a) restricts Owner's access to the Property during the Term; (b) requires Owner to grant such further easements for access and utility purposes as Company may require; (c) prohibits any activities, whether on or off the Property, that interfere with the passage of sunlight on to the Property; (d) includes an express grant of a solar easement as described in Colorado Revised Statutes 38-32.5-100.3 et seq; (e) includes a mechanism for dividing the Property into multiple separate leases for separate projects; (f) includes a waiver by Owner of any interest in the Improvements, including any potential lien rights; (g) addresses the rights of the Parties in the case of a condemnation of all or part of the Property; (h) authorizes Company to satisfy Owner's obligations that may become a lien or encumbrance on the Property or Improvements; (i) includes limited remedies and prohibits certain remedies; and, (j) includes limited bases for termination. 6. The Agreement runs with the Property and includes a quiet enjoyment clause. 7. The Agreement includes broad assignment and finance -related provisions in favor of Company, including: (a) the right of Company and its assignees to assign (including by assignment, lease, or sublease, or a grant of licenses, easements, sub -easements or co -easements) all or part of their rights under the Agreement and/or the Improvements, including for collateral security purposes; (b) the right of Company or its assignees to mortgage the Leasehold Estate and the Improvements; (c) the obligation of Owner to give Company and Lender notice of defaults; (d) the right of Lender or assignees to exercise Company's rights under the Agreement and/or take title to the Leasehold Estate, Improvements, and/or Company's rights under the Agreement (but as provided for in the Agreement Lender have no obligations under the Agreement unless and until they hold a direct interest in the Property); (e) limited bases for termination (i.e. only in the case of uncured monetary defaults and after expiration of all applicable cure periods); (f) cure rights in favor of Company, assign and Lenders and separate cure periods for Company and Lenders ; and, (f) the obligation of Owner to execute a new lease if the Agreement is terminated. 8. The conditions, covenants, definitions (including the definition of capitalized terms not defined in this Short Form), limitations, restrictions, and terms governing the encumbrances imposed on the Property, restrictions on use of the Property, and rights granted in and to the Property are set forth in the Agreement. Without limitation, and except as expressly authorized by the Agreement, these include Owner's covenant to not grant any third party any rights to evaluate or develop the Property. Also, the Agreement specifies limitations, requirements, and/or restrictions, on: (a) the conveyance and development of mineral rights associated with the Property (including a surface use relinquishment by Owner, as well as a requirement that any mineral interest owners enter a surface use or accommodation agreement with Company); (b) interference with the Project and/or with the rights granted in the Agreement; and/or, (c) "severance" of solar rights associated with the Property or revenue related to the Agreement. 4753536 09/07/2021 03:52 PM Page 4 of 7 9. Also by the Agreement Owner covenants: (a) to obtain for the benefit of Company a non - disturbance and subordination agreement from each holder of an interest in the Property; (b) to amend the Agreement as Company may request in connection with its financing; and, (c) to execute consents and estoppel certificates as Company may request from time -to -time. 10. The Parties have executed and recorded this Short Form for the purpose of giving record notice of the Agreement, of the exclusive easements, leases, and rights it grants, and of certain restrictions it imposes. All of the conditions, covenants, and terms regarding the Agreement are more particularly set forth in the Agreement, which is incorporated by this reference. In the event of any conflict between the conditions and terms set forth in this Short Form and the conditions and terms set forth in the Agreement, the conditions and terms of the Agreement will control and govern. This Short Form may be executed and/or recorded in counterparts. SIGNATURE PAGES FOLLOW 4753536 09/07/2021 03:52 PM Page 5 of 7 SIGNATURE PAGE TO SHORT FORM OF SOLAR LEASE IN WITNESS WHEREOF, the Parties have executed this SHORT FORM OF SOLAR LEASE as of the date set forth above. STATE OF fj� .;�{ )ss. COUNTY OF On �,;�, 20 -) , before me, the undersigned, a Notary Public in and for said County and State, personally appeared -17;, r i* Lot, 41 t r personally known to me (or proved to me on the basis of satisfactory evidence)`tb be the person(s) whose name(s) is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the same in his/her/their authorized capacity(ies), and that by his/her/their signature(s) on the instrument the person(s), or the entity upon behalf of which the person(s) acted, executed the within instrument. TNES >r y Panand official seal. c Notary Pu ilic Commission Expires: Ci C Kathie, • ST MY CO' _. Kathleen R Kelly NOTARY PUBUJC STATE OF COLORADO NOTARY ID# 20204020345 MY COMMISSION EXPIRES June 10, 2024 4753536 09/07/2021 03:52 PM Page 6 of 7 SIGNATURE PAGE TO SHORT FORM OF SOLAR LEASE IN WITNESS WHEREOF, the Parties have executed this SHORT FORM OF SOLAR LEASE as of the date set forth above. '� Company: A(} m(" By: Name: Title: c -C.5.6"4 ACKNOWLEDGEMENT STATE OF )ss. COUNTY OF On `) , : ', i , } , 20 J , before me, the undersigned, a Notary Public in and for said County and State, personally appeared —1 , ,..., �. , , personally known to me (or proved to me on the basis of satisfactory evidence) to be the person(s) whose name(s) is/are subscribed to the within instrument and acknowledged to me that he/she/they executed the same in his/her/their authorized capacity(ies), and that by his/her/their signature(s) on the instrument the person(s), or the entity upon behalf of which the person(s) acted, executed the within instrument. WITNESS my hand and official seal. Notary Public Commission Expires:, t : 1 ( , t Kathleen R Kelly NOTARY PUBUC STATE OF COLORADO NOTARY ID# 20204020315 MY COMMISSION EXPIRES June 10, 2024 4753536 09/07/2021 03:52 PM Page 7 of 7 EXHIBIT A TO SHORT FORM OF SOLAR LEASE DESCRIPTION OF THE LAND THAT CERTAIN REAL PROPERTY LOCATED IN WELD COUNTY, COLORADO, DESCRIBED AS: Parcel Township Range Section Portion of Section Acreage 105701000041 4N 65W 1 27 , Total Acreage 27 Account Parcel Spate Account Type Tax Year Buildings Actual Value Assessed Value R4376086 105701000041 Legal Agricultural 16977 W2NW4 1 4 66 N OF LOWER LATHAM DRAINAGE DITCH (2D2R) Subdivision Property Address 23896 COUNTY ROAD 35 Block Lot Property City 2021 8 Land Economic Area GREELEY RURAL 392,874 45,910 Zip Section Township Range WELD 01 04 66 Pivot .„, Energy Pivot Solar 36 LLC — Alternatives Statement Pivot has researched alternatives to the proposed location, and it has been adequately assessed that the proposed site is the best location for the solar facility. Many other sites in Weld County have been assessed, as well as other locations throughout the state of Colorado. The Loeffler site was chosen due to some of the following important factors: - The site's proximity to Xcel Energy distribution infrastructure - Flat topography - No geotechnical constraints noted on the site (as of now). A geotechnical study and report are currently in progress - Landowner interest and participation to host a solar facility on their land - Co -located near another Pivot solar facility pivotenergy.net Pivot Energy Pivot Solar 36 LLC — Construction Impacts • Please see site plan in packet. • Applicant agrees to mitigate construction impacts. • During construction, crews will be on -site from approximately 7:00 am - 6:00 pm Monday -Friday. Most vehicles will arrive early in the morning (7:00 to 9:00 am) and will begin departing the construction site around 3:00 pm. • Once constructed, the site will be unmanned but the solar farm will generate electricity during daylight hours each day of the year. • Operations and maintenance crews will be on -site up to eight times annually for up to four hours per visit. • Please reference the Vehicle Trip Generation Table Below. Table 1 — Vehicle Trip Generation Project Phase (Time Period) Vehicle Type Estimated Gross Vehicle Weight Number of Vehicles Per Day Maximum and Average Vehicle Trips Per Day Site Preparation (approx. 2.4 weeks) Equipment Hauling Trucks 30,000-65,000 lbs 0-2 0-4 Passenger Vehicles 2,696-16,006 lbs 2-5 4-10 Fuel Delivery 20,000-30,000 lbs 1 2 Max — 161Ave - 8 Material and Equipment Delivery (approx. 4 weeks) Conex Container and Delivery Trucks 30,000-50,000 lbs 5-15 10-30 Equipment Hauling Trucks 20,000-40,000 lbs 0-4 0-8 Max — 38fAve - 10 Solar Garden Installation (3-4 months) Passenger Vehicles 2,000 to 10,000 lbs 10-15 20-30 Fuel Truck 20,060 to 36,000 lbs 1 2 Material Delivery Truck 20,060 to 30,000 lbs 1 2 Max — 34fAve - 24 Operations (ongoing once operational) Utility Vehicle 2,000 to 10,006 lbs 1 per month or less Max - 2/Ave - 0 • Please reference Vehicle Trip Generation Table above. • Some additional traffic should be expected for the time during construction due to the arrival of equipment and modules. • Proposed change will be to improve the existing access route to and from the site (between public ROW and lease area) with gravel aggregate to accommodate emergency services. pivotenergy.net Pivot Pivot Solar 36 LLC — Development Standards Statement Energy The statement shall demonstrate how the proposed facility complies with the following development standards for Solar Energy Facilities: 1. Height limitation. Ground -mounted solar collectors shall not exceed twenty-five (25) feet in height, measured from the highest grade below each solar panel to the highest extent of the solar panel rotation. The ground -mounted solar facility will not exceed 25 feet in height, as measured from the highest grade below each solar panel to the highest extent of the solar panel rotation. 2. Glare. Concentrated solar glare from solar collectors shall not be directed toward or onto nearby properties or roadways at any time of the day. A glare study using ForgeSolar has determined that there are no glare concerns with the proposed project in the desired location. 3. Setbacks. The improved area shall conform to the setback requirements of the underlying zone. Additionally, the improved area must be at least five hundred (500) feet from existing residential buildings and residential lots of a platted subdivision or planned unit development. The residential setback requirement may be reduced if appropriate screening through landscape or an opaque fence is installed, or upon submittal to Weld County of a waiver or informed consent signed by the residence owner agreeing to the lesser setback. If landscaping or opaque fencing is substituted for setback, a landscaping plan or fencing plan shall first be submitted to and approved by the Department of Planning Services. Pivot acknowledges the Agricultural zone requirements. The improved area will be at least 500 feet from existing residential buildings and residential lots of a platted subdivision or planned unit development. 4. Dust mitigation. The operators of the 5 ACRE SEF shall continuously employ the practices for control of fugitive dust detailed in their dust mitigation plan submitted as required by Subsection B.2., above. Please see the attached Dust and Weed Mitigation Plan that lays out the employment of practices for control of fugitive dust. 5. Underground cables. All electrical cables on the improved area shall be buried, except for direct current string wires that connect between solar collectors, direct current collection circuits between rows of solar arrays that are no more than four (4) feet above grade crossings, substations, switchyards, and circuit voltages greater than 34.5 kilovolts pivotenergy.net Pivot Pivot Solar 36 LLC — Development Standards Statement Energy (where necessary). Our DC circuits will be mostly in above ground CAB which typically is 42" above grade (minimum). Our low voltage AC circuits will all be buried but, as of now, our plan is to have our medium voltage (12.47kV) interconnection equipment on overhead poles. 6. Fencing. The 5 ACRE SEF shall be enclosed with a security fence as approved pursuant to a fencing plan submitted to the Department of Planning Services. Appropriate signage shall be placed upon such fencing that warns the public of the high voltage therein. The solar facility will be surrounded by an 8 -foot wildlife -friendly game fence. Please see the Landscape and Fencing plan for additional information. 7. Stormwater management. The Operator of the 5 ACRE SEF shall submit a drainage report to comply with required Storm Drainage Criteria pursuant to Chapter 8, Article XI of this Code. Additional requirements for Municipal Separate Storm Sewer System (MS4) areas may be applicable pursuant to Chapter 8, Article IX of this Code. Ground -mounted solar collector systems shall be exempt from impervious surface calculations if the soil under the collectors is designated hydrologic A or B soil groups by the Natural Resources Conservation Service (NRCS). Please see the Drainage Report that has been submitted as part of the initial application for additional information. 8. Access permit. Prior to construction of the 5 ACRE SEF, the applicant shall apply for and obtain an approved Access Permit from the Weld County Department of Public Works, pursuant to the provisions of Article XIV of Chapter 8 of this Code. If required, Pivot will apply for and obtain an Access Permit from Weld County Public Works prior to development. 9. Existing irrigation systems. The nature and location or expansion of the 5 ACRE SEF must not unreasonably interfere with any irrigation systems on or adjacent to the solar facility. Only well water with limited pumping rights on site. SEF will not affect irrigation. pivotenergy.net WELD COUNTY ACCESS PERMIT Weld County Public Works Department 1111 H Street P.O. Box 758 Greeley, CO 80632 Permit Number: AP22-00272 Phone (970) 304-6496 Issuance of this permit binds applicant and its contractors to all requirements, provisions, and ordinances of Weld County, Colorado. Project Name: Permit Expiration Date: Planning/Building Process ZPSF22-0001 Yes Parcel(s): 095936000009 Pivot Solar 22 07/27/2023 Proposed Use: Small Commerical Access is on WCR: Nearest Intersection WCR: Distance from Intersection: Number of Existing Accesses: Access Width: Access Turning Radii: Latitude: Longitude: 35 35 - 394 750 1 40ft 65ft 40.34628 -104.73475 Applicant Information: Name: Company: Phone: Email: Kyle Sundman Pivot Energy 719-233-4322 ksundman@pivotenergy.net Owner Information: Name: Jerry Loeffler Company: Phone: 970-842-4023 Email: jl3131@aol.com Road Surface Type and Construction Information: Road Surface: Asphalt Culvert Size and Type: 15" CMP/RCP minimum if required Material to Construct Access: Road base Start Date: Finish Date: A Copy of this permit must be on site at all times during construction hours Daily work hours are Monday through Friday DAYLIGHT to1/2 HOUR BEFORE DARK (applies to weekends if approved) Approved MUTCD traffic control / Warning devices are required before work begins and must remain until completion of work ** Crushed or recycled concrete SHALL NOT be used for tracking material in the County ROW All access points shall comply with Weld County Engineering and Construction Criteria found at: https://library.municode.com/co/weld county/codes/charter and county code?nodeld=CH12LIPE AP APX12-AWECOENCOCR Unless otherwise authorized. Special Requirements or Comments Utilize existing upgraded shared access point on CR. 35 (1-COMM) located approx. 750ft. south of CR. 394 in accordance with ZPSF22-0001. CR 394 is a Collector roadway with a 60 ft. setback from centerline. Approved By: Digitally signed by Jennifer Fuller Date: 2022.08.03 12:32:14 -06'00' 1 ENERTIA CONSULTING GROUP LLC July 6, 2022 Weld County Planning and Building Department 1555 N 17th Ave Greeley, CO 80631 1515 Market Street Denver, CO 80202 (720) 792-3917 rick.hagmayer@enertiacg.com RE: Traffic Impact Letter U se by Special Review — Loeffler Parcel S E Corner of Weld County Road (WCR) 35 & Weld County Road (WCR) 394, Weld County To whom it may concern: I. Introduction In fulfillment of the Weld County Use by Special Review (USR) permitting requirements, Enertia Consulting Group (Enertia) has completed this Traffic Impact Letter for the proposed Pivot Energy Solar Facility on the Loeffler Parcel located on approximately 27.47 acres southeast of the intersection of WCR 35 and WCR 394. The intent of this Report is to provide traffic related information and identify potential project impacts to affected roadways within Weld County. The following information is included in this letter report: • Project Location, Components and Construction Schedule • Designated Travel Route • Daily Vehicle Trip Generation • Conclusions II. Existing Conditions Location The project is located on an approximately 27.47 acres project site within a larger 86.1 acre parcel along the east side of WCR 35, south of WCR 394 on two Weld County Parcels: No. 095936000009 in Section 36, T5N, R66W and No. 105701000041 in Section 01, T4N, R66W. Weld County Planning and Building Department Page 2 III. Proposed Condition Components The Pivot Energy Solar Facility on the Loeffler Parcel project shall generally include: up to a 12 MW solar garden with approximately 25,000 tracking solar panels mounted on steel I -beams; concrete pad mounted inverters and transformers; an access drive with emergency turn -around and perimeter fence with gate. Construction Schedule It's currently anticipated that the Use by Special Review Permit will be issued by Weld County on or before April 5, 2023. Accordingly, a construction start/mobilization date of April 20, 2023 has been established. Based on this, the following preliminary schedule is currently considered: • Driveway and material staging area prep • Solar Facility Component Delivery • Perimeter Fence Installation • Solar Panel Foundation Installation • Transformer and Inverter Installation • Solar Panel Installation April 20, 2023 May 11, 2023 May 22, 2023 May 10, 2023 June 21, 2023 June 21, 2023 June 21, 2023 - September 21, 2023 September 22, 2023 — October 20, 2023 October 23, 2023 — January 19, 2024 Designated Travel Route The designated access route is: State Highway 85 north to WCR 394. WCR 394 west to CR 35. CR 35 to the site. Figure 1 illustrates the access route. The following is a brief description of the access route roadways. SH 85 - State Highway 85 in the vicinity of WCR 35 is a 4 -lane asphalt -paved road with left turn lanes and acceleration/deceleration lanes; and a posted speed limit of 65mph. It's anticipated that 100 percent of material deliveries will be from the south. WCR 394 — The +/- 2.2 mile segment of WCR 394 included in the travel route is a 2 lane, asphalt -paved road with intermittent bar ditches. The road surface appears to be in good condition. It's anticipated that all material deliveries will travel WCR 394 between SH 85 and WCR 35. WCR 35 — WCR 35 in the vicinity of WCR 394 is a 2 lane, asphalt -paved road with intermittent side drainage ditches. The road surface appears to be in good condition. It's anticipated that all material deliveries will travel on the northernmost 700ft from SH 394. Weld County Planning and Building Department Page 3 Daily Vehicle Trip Generation and Distribution Project development may be divided into the following 4 phases (site preparation, material and equipment delivery, solar garden construction and solar garden maintenance). The following Table 1 illustrates the estimated average daily trip generation by vehicle type for each Project phase. Table 1 — Vehicle Trip Generation Project (Time Phase Period) Vehicle Type Estimated Gross Vehicle Weight Number of Vehicles Per Day Maximum and Average Vehicle Trips Per Day (approx. Site Preparation 1-3 weeks) Equipment Trucks Hauling 30,000-65,000 lbs 0-2 0-4 Passenger Vehicles 2,000-10,000 lbs 2-5 4-10 Fuel Delivery 20,000-30,000 lbs 1 2 Max-16/Ave-9 Equipment (approx. Material and Delivery 4-5 weeks) Conex Container Delivery Trucks and 30,000-50,000 lbs 10-30 20-60 Equipment Hauling Trucks 20,000-40,000 lbs 0-8 0-16 Max — 79/Ave - 40 Solar Garden Installation (6-7 months) Passenger Vehicles 2,000 to 10,000 lbs 20-30 40-60 Fuel Truck 20,000 to 30,000 lbs 1 2 Material Delivery Truck 20,000 to 30,000 lbs 1 2 Max — 64/Ave - 52 (ongoing operational) Operations once Utility Vehicle 2,000 to 10,000 lbs 1 per month or less Max - 2/Ave - 0 As illustrated in Table 1, the majority of traffic generated as a result of solar garden installation shall occur during the 9 -month solar garden installation (max 79/ave 40vtpd). This traffic will generally be site worker passenger vehicles. The majority of heavy truck traffic including conex container delivery (total of 510-850 conex containers/delivery trucks) and equipment (rubber tire loader, pile driver, forklift) delivery and pickup will travel to and from the Project between 9:30 AM and noon and 1:30PM and 4:00PM. Project related traffic during all phases will not be significant during AM and PM peak periods (7:30 — 9:00 AM and 4:30 — 6:00 PM, respectively). IV. Conclusions 1. The Project is expected to generate up to 79 vehicle trips per day during material and equipment delivery (anticipated to be up to one month at the beginning of the project and one month at the end of the project), up to 64 vehicle trips per day during solar garden installation (6-7 months) and up to 2 vehicle trips per month during solar garden operation. 2. Site preparation and solar garden installation anticipated to begin in April 2023 and be completed in January 2024. Weld County Planning and Building Department Page 4 3. The phase with the greatest amount of traffic (79 vtpd material and equipment delivery) is expected to occur over a 4-5 week period (May 2023 — June 2023). 4. Daily Project related truck traffic is not expected to impact AM and PM peak traffic periods. 5. Sight distance at the Project entrance is well over 1,000 feet both north and south along WCR 35. 6. Access to the project site is through an existing driveway. Therefore, a Weld County Access permit will not be required. 7. As proposed, the solar garden site preparation, installation and ongoing inspection/maintenance is not anticipated to create adverse traffic related impacts on Weld County roads. Based on anticipated vehicle type and weight, the project is not anticipated to degrade/damage Weld County roads and a Public Works Improvement Agreement is not likely warranted. We trust that this Traffic Impact Letter for the Pivot Energy Solar Facility on the Loeffler Parcel is acceptable and complete. Please contact me at rick.hagmayer@enertiacg.com or (720) 792- 3917 should you require additional information. CinnrirrIai E t • attachment VG GROUP, LLC -r DESIGNATED TRAVEL ROUTE SITE ACCESS PIVOT SOLAR ON THE LOEFFLER SITE PROJECT 1 :: ENERTIA SUITE 200 DENVER, CO 80202 CONSULTING GROUP I_LC (720) 250-8305 1529 MARKET STREET WELD COUNTY ROAD 394 EXIT FIGURE 1 - PROXIMITY MAP PIVOT SOLAR 22 SOLAR GARDEN WELD COUNTY, COLORADO DATE: 07/06/2022 SCALE: 1" = 2,000' BY: KST in Pivot Energy Pivot Solar 36 LLC — Decommissioning Plan Weld County requires that Pivot Solar 36 LLC ("Pivot") submit a Decommissioning plan to the Department of Planning Services as part of the final administrative review and approval process for a Solar Generation facility. The decommissioning costs will total approximately $107,200. The useful life of the solar facility is expected to be at least 20 -years. At the end of the project's useful life, Pivot will suspend operations and decommission the plant, which will include any necessary demolition, removal of above and below ground equipment, and site reclamation efforts. Pivot's obligation under the Solar Lease Agreement is to return the site to the landowner in substantially the same condition that the property was in prior to the improvements being made. This document establishes a detailed plan for decommissioning and reclamation activities once the project reaches the end of its useful life. The proposed activities will likely need to be refined throughout the project's life to reflect future best practices of the solar industry. Pivot has assumed the planning process will be initiated one to two years prior to the anticipated end of commercial operation. The final plans will be developed in consultation with Weld County and any other applicable agencies that have jurisdiction of activities in the decommissioning process. 1. The key tasks of project decommissioning are divided into related activities that represent milestones in the process. Each activity is described in further detail below. The decommissioning schedule reflects the conceptual timing of the milestones and overall process. The individual project components to be decommissioned will either be 1) recycled or reused to the maximum extent practicable, or 2) removed from the site and disposed of at an appropriately licensed disposal facility. The general decommissioning approach will be the same whether a portion of, or the entire Project is decommissioned. The activities involved in the facility closure will depend on the expected future use of the site. Certain facility equipment and features may be left in place at the property owner's request, such as transmission facilities, roads, and drainage features. At the time of decommissioning, a plan will be submitted to the County proposing the equipment that will be removed and, if applicable, equipment that will remain, based on expected future use of the site. Pre -closure activities include final closure and reclamation planning, which identifies measures to be taken to restore the site to near pre -construction conditions. This includes but is not limited to the following: • Complete an analysis of the project materials and their composition to identify those specific components that may be recycled, re -used, scrapped, or sent to disposal sites; as well as identifying specific recycling facilities and disposal sites for materials. • Coordinate with local officials to obtain permits and develop plans for the transportation of materials and equipment to and from the site. • Develop specifications for demolition and reclamation, which will serve as the basis for contractor bids for decommissioning the project and establish the scope of demolition and reclamation, including developing reclamation plans in compliance with local, state, and federal regulations. pivotenergy.net in Pivot Energy Pivot Solar 36 LLC — Decommissioning Plan During the planning process Pivot will brief the County and other applicable agencies on the decommissioning process and plans. All necessary permits and approvals required for the decommissioning will be obtained prior to commencing operations. The first step in the decommissioning process will be assessing existing site conditions and preparing the site for demolition. Site decommissioning and equipment removal is expected to take up to one year. Therefore, access roads, fencing, some electrical power, and other facilities will temporarily remain in place for use by the decommissioning workers until no longer needed. Demolition debris will be placed in temporary onsite storage areas pending final transportation and disposal and/or recycling according to the procedures listed below. A plan will be implemented for de -energizing portions of the facility to allow safe decommissioning and formal lock out and tag out procedures. This will ensure all electrical components are placed and maintained in a safe condition for demolition activities prior to the start of work. PV Module and Tracker Removal and Recycling During decommissioning, project components that are no longer needed will be removed from the site and recycled, reused or disposed of at an appropriately licensed disposal facility. The first operation is to disconnect and remove modules from the tracker assemblies. Next, the tracker and mounting structures, DC wiring materials, and combiner boxes will all be assembled and segregated for disposal or salvage. Steel piles that support the PV racking system will be removed and either re- used or recycled to the maximum amount possible. Below ground portions of the supports will either be removed or cut off at least two feet below ground surface and left in place. The demolition debris and removed equipment will be safely removed from the premises and transported to an appropriately licensed disposal facility or recycling center. Photovoltaic modules will either be re -used, recycled or disposed of in accordance with applicable laws at the time of decommissioning. Roads Onsite access roads will remain in place during the decommissioning process. The roads may remain intact after decommissioning if the property owner deems them beneficial for the future use of the site. Roads that will not be used after the solar project's decommissioning will be removed at the end of the process. Fencing Project site perimeter fencing will be removed at the end of the decommissioning project, unless it may be utilized for future use of the site and the property owner requests the fence remain in place. This includes the removal of all posts, fencing material, gates, etc. to return the site to pre -project condition. Transportation and Clean up During the disassembly and demolition process, materials will be segregated and temporarily placed in gathering areas for transportation. Various materials including, but not limited to, concrete, steel, aluminum, and copper will be temporarily stockpiled at or near a designated processing location pending transport to an appropriate offsite recycling facility. All such materials will then be transported from the site to approved designated facilities for recycling, scrapping or disposal. All metals will be recycled to the extent practical given the recycling options available at the time of decommissioning. pivotenergy.net in Pivot Energy Pivot Solar 36 LLC — Decommissioning Plan In general, the decommissioning will be undertaken using traditional heavy construction equipment including, but not limited to, front end loaders, cranes, track mounted and rubber -tired excavators, bull dozers, and scrapers. Areas where excavation is required will be backfilled with natural material and compacted. Any voids left from the removal of foundations will be backfilled with surrounding subsoil and topsoil and fine graded to ensure suitable drainage and reclamation of natural grades. Soil management and re -contouring operations will be conducted to minimize the surface area disturbance and implement the activities in the safest and most efficient manner and in accordance with applicable local requirements. Major earthwork is not anticipated as construction of the site will not alter the general grade across the site. To account for post -decommissioning dust control, areas of exposed soils will be revegetated, consistent with the expected future use of the site and State or County requirements. The native dry grass vegetation will be re- established to prevent the spread of weeds. Mulching or palliatives may be used for temporary dust control until vegetation is established. Monitoring Site Restoration Upon completion of the decommissioning process, a one-year restoration monitoring period will begin. Monitoring will ensure that grading and drainage implemented is successful in stabilizing water flow patterns and that the cover vegetation (native dry grass vegetation or other depending on land use) will be reestablished to prevent the spread of weeds. Corrective actions will be implemented if such monitoring determines adverse conditions are present because of an inadequate restoration. 2. Decommissioning/ Reclamation Cost Estimates Pivot commits to working together with the County to update the cost estimates every five years from the establishment and submittal of the security bond. The cost estimates will include all costs associated with the dismantling, recycling, and safe disposal of facility parts and site reclamation activates and consider the salvage value of the facility. Initial cost estimate (2022): Fencing $3,200 Structures $44,000 Modules $32,000 Electrical $16,000 Site Restoration $12,000 Total $107,200 The scope includes: • Electrical permit fees • Removal and disposal of wildlife -friendly game fence • Removal of racking and foundations pivotenergy.net in Pivot Energy Pivot Solar 36 LLC — Decommissioning Plan • Removal of modules • Removal of electrical equipment (transformers, pads, etc.) • Removal of electrical DC string wiring and AC underground wiring • Site restoration and reclamation • Waste disposal fees • Temporary restrooms and necessary facilities for workers • Safety and protection equipment pivotenergy.net ENERTIA CONSULTING GROUP [[C April 24, 2023 Weld County Engineering Attn: Melissa King, PE 1555 N 17th Ave Greeley, CO 80631 1515 Market Street Denver, CO 80202 (609) 234-5502 rick.hagmayer@enertiacg.com RE: Drainage Narrative Pivot Energy Solar Facility on the Loeffler Parcel (USR23-0008) SE Corner of Weld County Road 35 & Weld County Road 394, Weld County To Ms. King: This drainage narrative is intended to provide Weld County with drainage and land disturbance information related to a proposed 32.25 -acre solar facility identified as Pivot Energy Solar Facility on the Loeffler Parcel (Project). The Project will be designed and will be constructed and maintained in a manner that minimizes storm water related impacts, in accordance with 2020 Weld County Engineering and Construction criteria. Project Specific Information Project Name, Property Address and Weld County Parcel No. Pivot Energy Solar Facility on the Loeffler Parcel (PS36) Parcel: 23896 WCR 35, Parcel No. 105701000041 Developer/Owner Pivot Energy, 1750 15th Street, Suite 400, Denver, CO 80202 Site/Civil Engineer Enertia Consulting Group, LLC, 1515 Market Street, Denver, CO 80202 Project Location and Description The Project is up to a 5 MW solar facility located on approximately 32.25 -acres of undeveloped land within a larger +1- 77 acre property; and within section 36, township 5 north, range 66 west of the 6th P.M., Weld County, Colorado. The Project site is bounded by WCR 35 to the west and WCR 394 to the north_ Project components include: up to a 5 MW solar facility with approximately 12,000 solar panels mounted on steel H -piles; concrete equipment pads; 20' gravel access driveway with emergency turn -around; and perimeter fence with access gate. With the exception of a gravel driveway and concrete pads for transformers and inverters, the remainder of the solar facility will not require clearing/grubbing of existing vegetation and grading unless required to prevent shading of the solar array. Some grubbing may be necessary to prepare the site with planned native seed mixes. Onsite conditions at the time of seeding will dictate necessity of such methods. The purpose of seeding is to increase the density of the native vegetation already established on site; therefore, grubbing is not considered land disturbance (if it is necessary). Weld County Planning and Building Department Page 2 Land Disturbance and Drainage Information Existing Ground Surface Conditions, Drainage Patterns and Imperviousness The 32.25 -acre solar facility project area may be characterized as undeveloped agricultural land. The applicable FIRM Maps (No. 08123C1726E, No. 08123C1730E), included in Appendix A, indicates that the Project site is mostly located in a Zone A floodplain. This indicates most of the property is within the 100 -year FEMA floodplain. Based on NRCS soils data (also included in Appendix A), the site soils are identified as Loam and Gravelly Sand and classified as Hydrologic Soil Group D. As shown on Figure 1 in Appendix A, the site ground surface gently slopes at an average of 0.5-2 percent from northwest to southeast toward a minor depression located along the east side of the Project site. Note, it is acknowledged the existing grade is flowing away from the South Platte and towards the Lower Latham Drain. During the 100 -year storm event, it is understood both drainage ways are both within a homogenous water surface. In general, storm water is conveyed across the Project area toward the Lower Latham Drain. Floodplain Considerations It is understood solar facilities developed within Type C and/or Type D soils require detention of the 100 -year storm event when located within Weld County except when if the facility falls into one of the exceptions provided Sec. 8-11-140 (I), as this project does. Additionally, it is understood the photovoltaic components of the solar array systems will be installed at a minimum of 1.0' above the 100 -year water surface elevation. Additionally, all concrete pads built to support the inverters and transformers will be placed a minimum of 1.0' above the 100 -year water surface elevation. Land Disturbance Activities The site improvements considered as land disturbance activities include installation of: (i) all- weather gravel surface driveway and (ii) concrete equipment pads: (i) Gravel Access Drive — An all-weather gravel surface access drive will extend from WCR 35 east to the solar facility. Given the site soils, a 12 -inch -thick gravel surface (consistent with similar solar facility access drives within Weld County) is proposed. This depth of gravel over compacted subgrade is sufficient to provide routine and emergency access to the Project. (10 Concrete Equipment Pads — Concrete equipment pads will be installed beneath inverters and transformers and other electrical equipment as required with the development. The pads will be at least 8 -inches thick with reinforcing steel and located generally on the western portion of the site. Lastly, components of the 32.25 -acre solar facility will include up to 12,000 solar panels placed on steel H -piles driven into the ground. Since the solar panels will be tracking panels (rotate through the day to track the path of the sun), the ground surface vegetation beneath the panels will continue to grow. Onsite conditions at the time of seeding will dictate necessity of such methods. The purpose of the seeding is to increased the density of native vegetation; therefore, the grubbing is not considered land disturbance (if it is necessary). Weld County Planning and Building Department Page 3 Land Disturbance Area A total of approximately 9,990 SF or 0.23 acres of the Project area is anticipated to be disturbed. The total disturbance numbers are summed in the following table. Disturbance Surface Type Disturbance Area (sf) Disturbance Area (Ac) Gravel Drive 9,526 0.219 Concrete Equipment Pads 464 0.011 Total 9,990 0.230 Detention Exemption It is understood solar facilities developed within Type C and/or Type D soils require detention of the 100 -year storm event when located within Weld County except when if the facility falls into one of the exceptions provided Sec. 8-11-140 (I). This solar facility follows item 13 in the afore mentioned exceptions list; the site is greater than 5 acres but will add less than 4,500 sf of equivalent imperviousness (as summarized in table below). The total equivalent imperviousness is the acreage multiplied by the percent impervious. For example, the gravel drive area of 9,526 multiplied by the 40% impervious (gravel drive) results in 3,811 sf of equivalent imperviousness. A summary table is included below: Subbasin Area Imperviousness Equivalent Lyth Imperviousness s111 Array Area 1,394,820 25 0 Gravel Drive 9,526 40 3,810 Equipment Pad 464 100 464 Subtotal 4,274 Hydrologic Design Criteria The following table includes hydrologic design criteria used in this analysis. Parameter Value Unit Reference Time of Concentration, Tc - min. MHFD Rational Peak Method Runoff (Appendix Prediction by the A) Runoff Coefficient, C - - MHFD Table Criteria 6-4 Manual, Chapter 6, 1 Year) -hr Point Rainfall, P1 (100 - 2.74 inches NOAA Rainfall Data (Appendix A) Storm Runoff, Q - cfs Q = CIA Weld County Planning and Building Department Page 4 Basin Conditions The footprint of the solar facility and access drive is considered to be the subject drainage area under both existing and proposed conditions. The existing condition basin (identified as basin X1 on Figure 1) was analyzed to calculate the peak runoff for the design storm using an imperviousness percentage of 25%. This percentage is based on the soil type and existing conditions of the site. The proposed condition basin (identified as basin Al on Figure 1) was analyzed to calculate the peak runoff for the design storm using an impervious percentage of 25.26%. This percentage is based on the majority of the site remaining as 25% impervious, 0.01 acres changing to 100% impervious (concrete pad area) and 0.22 acres changing to 40 percent impervious (access drive area). It should be noted that the tracking solar panels are not classified as impervious surface because precipitation falling on the solar panels will shed onto the undisturbed vegetated surface below. Stormwater Runoff The stormwater runoff for existing and proposed conditions is calculated based on the Rational Method. The 100 -year, 1 -hour storm event was analyzed for basins Al and Xl. The flow path for the basins is generally from southwest to northeast toward the Godfrey Ditch depression located northeast of the site. The average ground surface slope across the flow path is 0.5% to 2%. The time of concentration to this point was calculated using MHFD equations are summarized below and can be found on the MHFD Peak Runoff Prediction by the Rational Method in Appendix A. The Runoff Coefficients are also included in the MHFD Peak Runoff Prediction by the Rational Method and are summarized below. Basin Concentration (Min) Runoff Coefficients (Cioo) Time of X1 67.25 0.59 Al 67.07 0.59 The precipitation data used for the 100 -year, 1 -hour storm event is based on NOAA rainfall data from the Project site and is included in Appendix A. Per the Basin Runoff Calculation (MHFD Peak Runoff Prediction by the Rational Method) included in Appendix A the 100 -year runoff flows are as follows: Basin Q,00 (cfs) X1 48.45 Al 48.63 Net +0.18 Under developed conditions, runoff will follow existing drainage patterns, will not significantly increase peak flows (increase from 48.45 cfs to 48.63 cfs). Weld County Planning and Building Department Page 5 Summary The following list summarizes key components of the Project and findings related to land disturbance and storm water impacts. 1. Installation of the solar facility will temporarily disturb the ground surface within the 32.25 -acre Project area. Grubbing may be required to provide appropriate conditions for seeding. It is intended for the vegetation throughout the site to be improved as a result, therefore is not considered land disturbance. The concrete pads and drive isles will be grubbed, but grading is not anticipated. 2. The areas considered impervious (100 percent impervious 464 sf concrete pads) or semi -impervious (40 percent impervious 9,526 sf gravel access drive) total 4,274 of equivalent imperviousness. As such, applicant is falling under Section 8-11-140 (I) of the Weld County Drainage Criteria that allows exemption of detention requirements. 3. Under existing conditions, the peak flow originating from the solar facility area for the 100 yr — 1 hr storm event is 48.45 cfs. 4. Under developed conditions, the peak flow originating from the solar facility area for the 100 yr - 1 hr storm event is 48.63 cfs. 5. Since the land disturbance is less than 1 acre, a CDPS storm water certificate issued by CDPHE is not required for this Project. 6. Installation and operation of the solar facility is not expected to impact existing drainage patterns or flow rates on or around the Project site. Runoff water quality will not be impacted by the solar facility components. 7. The Project design will adequately protect public health, safety and general welfare and have no adverse effects on Weld County 35 right-of-way or offsite properties. We trust that the information provided is acceptable and complete. Please let me know if you have any questions or require additional information. Please contact me at rick.hagmayer@enertiacg.com or (609) 234-5502 should you require additional information. Sincerely, EN'z0T' n rnniei II Ric Se 'me IROUP, LLC NOTES TO USERS This map is for use in admaMstering she National Flood Insurance Program it does not necessarily tdetSM all sects tooled to rood ng pa tcdsny f•Om .oral drainage sources d ants ate The coelmun*y soap repository shca,td be (noshed for posebis .pealed a antiburar icod hated Sonnet Y%1 To Olen more dslaaw Surinam n mess whine Baae Flood (Ivaboiw 1(efEll e nacts Bodeeraye have been os snnn.c use are encuura7.t1 1:. coma* the Flood Promos end FWuos.y Ora endar Summary d Slrtrre Eima.r to Sas !catered 'Ms Me Flood Insurance Study 4F¢.) Rectal Sal aocanpa:n,aa ita FIRM Uses shoed be bore mm OFEs shown on the FM/ 'pesrea taunted sijedaol avows Them DVSs ars intended for Ikred memento rang amuses only and shed oast be used w the mule sows of boot Menton .tmnuaon Accordingly load Sayan^ alas prssenod e M CIS Repot shaa'd is Last* c oareundion Wth Ohs FIRM For purposes d mrabucleott antes 1oodolan mrtegeart Coastal Bee Flood Elm aborts sown on toes map apody only I.no.ard Of 00 North Amsr.car .Masco Datum of 1936 INAVG Stt Oars or the FIRM should be swage that coastal hood M•vsgns we also provided in the Summery or Sk[waler Elevators table n the Fi000 Insurance Slurry Report for ths )uresdcbcn Flevr.orrs shown in IM Summary of Stiwate F evr,ins table shoed be used to oonr,urlrrh idler' Iloodplaln 'nStag nhenl purposes sten they ere higher titan the eleSals shoat' on this I MU bounders or the Iloodweys were comtputad at Jose eeaons end ietsrpSted between close sedAons The teodeeys were based on nydrtM aonrds'Sons with regard 10 (sgleliltletla of the NaeorS Flood ineurece Program Mockery cadges and @5w psrliner( Mooney as ere posted In the Flood lnww a Study Report to IM rural son Carton seas not in SOWS Flood Hated Arse mey Os protected by hest caen itruCtiae• Rehr to Seaton 2 4 -flood Protection MaareM' Or Me rooms imams* Study R/pan tor raoamelrar cn rood control structures for hors Iutaacem The projection .wad in the Otspirrat.on of ores map wee Universal Trwue wse Me,OaaM 111TM1 tone 1: The horizontal deers wee MAO 53. 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Mryrnc 20910.3282 1301)713.3242 To obtain omen* asavrron, dsecnpumardor locales Mramivon for bath marks shown at P. map. pas tattoo the Infamies Servals Branch d IM Natrona Oeadabe Su'a at (3011 713, 3242 or well ifs websle te Mjjt /Mwa ewe rase 3W Base map inforretml shown on Our FARM watdenad hot NAP Omhophdogrspny produced with a use meta Of u.rnd resolution !nom photography dalad 2013 The profile baselines depicter on Ova map represent tote hydraulic mudstng bewn.a ChM meth the good prdNw in the F15 (sped As a result of araomd topographic dais. The polio beeslne a dome Cats may genre egn.t,csety from lea channel cenemy a roma/ outside the SEWS The map redacts *tta sealed end tybdefe stream channel coaflguretkrle Our mote sown ce: the presets FIRM lot this anscefrm 7me Aoocpatrta and iciodwayi U. were arnaeensd from the prev.aus FIRM may true been s21,asc b cccr4am to ewes a abeam d.ante COMguraloa At a nit Si. Flood Probes sled Finable, Data t•abes In. moats teens in In. Flood lnferance Study Regan (etct CORin out'.acrtve hydraulic Ora) Thy mesa screen channel asances Mar tier hoer what re shown on Me Iliad Coepors/e Ames shown on St map are based on the but data instable el the lime d L't/D'cwhal Because changers due to eraaaba a a de•emteraaons mar ruble occ toted atler the mop was puNiened. map all should rltnta11 eppmpnate community °Moms to venty current oeporre lime IocAOons Ptnaee ,stet to the sepetrdy printed Map India la an overview map of the county showing Its Iasi of map ponds community map repository addresses e nd a Listing d Can miuoes table containing National Flood Inassice Program those kw each, o0nrttsdy as ors as a riling d 110 panes on vmsn sal CrmraMty es Sailed c0' rt*OrnWgn on a•atuable pr coins aasoorad wait ins FIRM MSC the Map Sena Center IMW) ee0et. at (pQ;q!sc !Nokia Aestb product nay include plevesa ly sauna Lodes Or Map Charge a Flood wswano• Study Report snap Ogital versions of an map +•any d meet products can oe snared or Mad away hW c the MSC borate If you hem questions about the map. how 1n volt Ivatdeli a the Mannar F IOM lra..'an.a Pity, am n genie )sass call Si. 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IMir Aa a Noce to User The Map Neal *ir shown below vwu,d be tleel Min pteci1g map pops the Community Number shown ebony shoed be used on insurance applications lea the outset . 4'1mun4y MAP NUMBER 08123C1726E EFFECTIVE DATE JANUARY 20, 2016 Federal Emerges, Msaale.eu Ajteecy USDA United States ism Department of Agriculture 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 March 15, 2022 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 March 15, 2022 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.nrcs.usda.gov/wps/ portal/nrcs/main/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (https://offices.sc.egov.usda.gov/locator/app?agency=nrcs) or your NRCS State Soil Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/? cid=nrcs142p2_053951). 142p2_053951). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Web Soil Survey, the site for official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require 2 alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface 2 How Soil Surveys Are Made 5 Soil Map 8 Soil Map (Loefler Parcel) 9 Legend 10 Map Unit Legend (Loefler Parcel) 11 Map Unit Descriptions (Loefler Parcel) 11 Weld County, Colorado, Southern Part 13 3—Aquolls and Aquents, gravelly substratum 13 68—Ustic Torriorthents, moderately steep 14 References 16 4 How Soil Surveys Are Made Soil surveys are made to provide information about the soils and miscellaneous areas in a specific area. They include a description of the soils and miscellaneous areas and their location on the landscape and tables that show soil properties and limitations affecting various uses. Soil scientists observed the steepness, length, and shape of the slopes; the general pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. They observed and described many soil profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The profile extends from the surface down into the unconsolidated material in which the soil formed or from the surface down to bedrock. The unconsolidated material is devoid of roots and other living organisms and has not been changed by other biological activity. Currently, soils are mapped according to the boundaries of major land resource areas (MLRAs). MLRAs are geographically associated land resource units that share common characteristics related to physiography, geology, climate, water resources, soils, biological resources, and land uses (USDA, 2006). Soil survey areas typically consist of parts of one or more MLRA. The soils and miscellaneous areas in a survey area occur in an orderly pattern that is related to the geology, landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous area is associated with a particular kind of landform or with a segment of the landform. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they were formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. Commonly, individual soils on the landscape merge into one another as their characteristics gradually change. To construct an accurate soil map, however, soil scientists must determine the boundaries between the soils. They can observe only a limited number of soil profiles. Nevertheless, these observations, supplemented by an understanding of the soil -vegetation -landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to determine the boundaries. Soil scientists recorded the characteristics of the soil profiles that they studied. They noted soil color, texture, size and shape of soil aggregates, kind and amount of rock fragments, distribution of plant roots, reaction, and other features that enable them to identify soils. After describing the soils in the survey area and determining their properties, the soil scientists assigned the soils to taxonomic classes (units). Taxonomic classes are concepts. Each taxonomic class has a set of soil characteristics with precisely defined limits. The classes are used as a basis for comparison to classify soils systematically. Soil taxonomy, the system of taxonomic classification used in the United States, is based mainly on the kind and character of soil properties and the arrangement of horizons within the profile. After the soil 5 Custom Soil Resource Report scientists classified and named the soils in the survey area, they compared the individual soils with similar soils in the same taxonomic class in other areas so that they could confirm data and assemble additional data based on experience and research. The objective of soil mapping is not to delineate pure map unit components; the objective is to separate the landscape into landforms or landform segments that have similar use and management requirements. Each map unit is defined by a unique combination of soil components and/or miscellaneous areas in predictable proportions. Some components may be highly contrasting to the other components of the map unit. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The delineation of such landforms and landform segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, onsite investigation is needed to define and locate the soils and miscellaneous areas. Soil scientists make many field observations in the process of producing a soil map. The frequency of observation is dependent upon several factors, including scale of mapping, intensity of mapping, design of map units, complexity of the landscape, and experience of the soil scientist. Observations are made to test and refine the soil -landscape model and predictions and to verify the classification of the soils at specific locations. Once the soil -landscape model is refined, a significantly smaller number of measurements of individual soil properties are made and recorded. These measurements may include field measurements, such as those for color, depth to bedrock, and texture, and laboratory measurements, such as those for content of sand, silt, clay, salt, and other components. Properties of each soil typically vary from one point to another across the landscape. Observations for map unit components are aggregated to develop ranges of characteristics for the components. The aggregated values are presented. Direct measurements do not exist for every property presented for every map unit component. Values for some properties are estimated from combinations of other properties. While a soil survey is in progress, samples of some of the soils in the area generally are collected for laboratory analyses and for engineering tests. Soil scientists interpret the data from these analyses and tests as well as the field -observed characteristics and the soil properties to determine the expected behavior of the soils under different uses. Interpretations for all of the soils are field tested through observation of the soils in different uses and under different levels of management. Some interpretations are modified to fit local conditions, and some new interpretations are developed to meet local needs. Data are assembled from other sources, such as research information, production records, and field experience of specialists. For example, data on crop yields under defined levels of management are assembled from farm records and from field or plot experiments on the same kinds of soil. Predictions about soil behavior are based not only on soil properties but also on such variables as climate and biological activity. Soil conditions are predictable over long periods of time, but they are not predictable from year to year. For example, soil scientists can predict with a fairly high degree of accuracy that a given soil will have a high water table within certain depths in most years, but they cannot predict that a high water table will always be at a specific level in the soil on a specific date. After soil scientists located and identified the significant natural bodies of soil in the survey area, they drew the boundaries of these bodies on aerial photographs and 6 Custom Soil Resource Report identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. 8 40° 21' 2" N a3 4 8 4 40° 20' 27" N 522400 522500 522500 Custom Soil Resource Report Soil Map (Loefler Parcel) 522600 522600 522700 522700 Map Scale: 1:5,240 if printed on A portrait (8.5" x 11") sheet. Meters 0 50 100 200 300 522800 Feet 0 250 500 1000 1500 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 522900 522900 523000 523000 523100 523100 104° 43' 39 VV 8 40°212 N 4 S 4 4 40° 20'27'N 9 Custom Soil Resource Report MAP LEGEND Area of Interest (AO!) Area of Interest (AO1) Soils C Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Y . Blowout r, O 0 v •m 4 4 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 Sodic Spot a Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background iair°§1 Aerial Photography MAP INFORMATION The soil surveys that comprise your AOI 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: 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 -MRCS certified data as of the version date(s) listed below. Soil Survey Area: Weld County, Colorado, Southern Part Survey Area Data: Version 20, Aug 31, 2021 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Jul 19, 2018 -Aug 10, 2018 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. 10 Custom Soil Resource Report Map Unit Legend (Loefler Parcel) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 3 Aquolls and Aquents, substratum gravelly 58.4 99.9% 68 Ustic Torriorthents, moderately steep 0.0 0.1% Totals for Area of Interest 58.5 100.0% Map Unit Descriptions (Loefler Parcel) The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it 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, 11 Custom Soil Resource Report onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha -Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. 12 Custom Soil Resource Report Weld County, Colorado, Southern Part 3 Aquolls and Aquents, gravelly substratum Map Unit Setting National map unit symbol: 3627 Elevation: 4,000 to 7,200 feet Mean annual precipitation: 12 to 18 inches Mean annual air temperature: 45 to 55 degrees F Frost -free period: 80 to 155 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Aquolls Setting Landform: Swales, streams, flood plains Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile HI - 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 Drainage class: Poorly drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: About 6 to 48 inches Frequency of flooding: FrequentNone Frequency of ponding: None Maximum salinity: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) Available water supply, 0 to 60 inches: Moderate (about 8.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D Ecological site: R067BY035CO - Salt Meadow Hydric soil rating: Yes Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down -slope shape: Linear 13 Custom Soil Resource Report 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 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: FrequentNone Frequency of ponding: None Calcium carbonate, maximum content: 10 percent Maximum salinity: Nonsaline to moderately saline (0.0 to 8.0 mmhos/cm) Available water supply, 0 to 60 inches: Moderate (about 6.6 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (non irrigated): 6w Hydrologic Soil Group: D Ecological site: R067BY035CO - Salt Meadow 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 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 Custom Soil Resource Report Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Ustic Torriorthents 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 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 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 5 percent Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) Available water supply, 0 to 60 inches: Very low (about 1.8 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (non irrigated): 7s Hydrologic Soil Group: A Ecological site: R067BY063CO - Gravel Breaks 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 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. N ational 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.nrcs.usda.gov/wps/portal/ nres/detai I/national/soils/?cid=nres 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 res142p2_053577 Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http:// www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=n res142p2_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. U nited States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. U nited States Department of Agriculture, Natural Resources Conservation Service. N ational forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/ home/?cid=nrcs142p2_053374 U nited States Department of Agriculture, Natural Resources Conservation Service. N ational range and pasture handbook. http://www.nrcs.usda.gov/wps/portal/nrcs/ detail/national/landuse/rangepastu re/?cid=stel prdb 1043084 16 Custom Soil Resource Report U nited States Department of Agriculture, Natural Resources Conservation Service. N ational soil survey handbook, title 430 -VI. http://www.nrcs.usda.gov/wps/portal/ nres/detai I/soils/scientists/?cid=nres 142p2 054242 U nited States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/? cid=nrcs142p2_053624 U nited States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nres.usda.gov/Internet/FSE_DOCUMENTS/nres142p2_052290.pdf 17 Al P I i 11J M •. v a a L f ill N O I.} 8t Q li a I o d O r N 4 O. N O a 1 O ri .t O 13 a 1 8 a i 1 RI O�A N „IMP\ . 0 O O - Ill rill g 8 8 8 ig ` WELD COUNTY ROAD 35 WS M OC 4 Jig - C T i - , - ! .-O- --r- AlliiiiiiiftWennAtteu. lei T. I 44.......,-- :-.... ,,t 9 11 n it 8 144641A, dot 71" fr Ili` iti aY t;', Dl.no.W.. Flow Velocity V4 (RrfNc) N ii a a 5 '1i III S j [ a ef l; i ii v 8 � _ as c c i s a r X i ' r C)) _ hi ' i m • 4tZ i o • AL DESCRIP ! i Ti i Ir C $ Ili r + a a 9 N i I ? ii fi 0 Re s 111 4' I ; 1 T L. ! g g� 4 Ii i�I _ k g I; ►..t Floww. G (cal a 8 t f _� a. it a 1 1 1 'liii' I a I SHEET M DATE JULY 6.20221 VERIFY SCALE BAR !1 OWE INCH ON ORDINAL ORMAN° o -SCALE PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELD COUNTY COLORADO Ft = a ti -of 175O 15TH DENVER Di Energy ST SUITE 400 CO 8O207 C; ENERTIA i 1.1.945ULitWL iriiDUF ILL 1529 MARKET STREET SUITE zoo DENVER COLORADtO8O2O2 OVERALL DRAINAGE AREA MAP "° GATE REVISION 'N PIVOT NS CHC RH APVD RH U hf. 0t DOCUMENTS 7,. $ DOCUMENT AND THE 16E/15 AND DE .W3 Pt EN NEREPi AS *NU Ot vQOC £5540NA: SERvICE 15 7NE PROPETtN' CONS -It TING GROvP eta IS NOT 10 9E USED IN 1WHO;F OR IN PART FOR ANT 01HER PROJECT WO HOUT THE WR{TTE k MJTHORUITION Of EWER TN CORSttt INC GROUP Calculation of Peak Runoff using Rational Method Designer: RICK HAGMAYER Company: ENERTIA CONSULTING GROUF Date: 4/24/2023 Project: PIVOT SOLAR ON LOEFFLER PARCEL Location: WELD COUNTY Version 2.00 released May 2017 Cells of this color are for required user -input Cells of this color are for optional override values Cells of this color are for calculated results based on overrides t 5033 0.395(1.1 - CO).jt Lt Lt ti 60K, 60V1 Computed t =t,+tt Lt Regional t = (26 — 17i) + 60(141+ 9).\i S t 5 (urban) trr,lr,Irr,ur„= 10 (non -urban) Selected t, = max(tr,,;u;u,um , min(Computed t , Regional t )j Seleci UDFCD location for NOAA Atlas 14 Rainfall Depths from the pulldovm list OR enter your own depths obtained from the NOAA website (click this link) 1 -hour rainfall depth, P1 (In) = Rainfall Intensity Equation Coefficients = 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr 0.85 1.12 1.40 a b c 28.50 10.00 0.786 1.86 2.27 2.74 a - Pt I(in/Itr) _ (b + tc)° 4.04 Q(cfs) = CIA Subcatchment Name Area (ac) NRCS Hydrologic Soil Group Percent Imperviousnes s Runoff Coefficient, C Overland (Initial) Flow Time Channelized (Travel) Flow Time Time of Concentration Rainfall Intensity, I (in/hr) Peak Flow, Q (cis) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr Overland Flow Length L, (ft) U/S Elevation (ft) (Optional) D/S Elevation (ft) (Optional) ( p Overland Flow Slope S, (ft/ft) Overland Flow Time t, (min) Channelized Flow Length L, (it) U/S Elevation (ft) (Optional) D/S Elevation (ft) (Optional) ( P ) Channelized Flow Slope Sr (Ft/ft) NRCS Conveyance Factor K Channelized Flow Velocity V, (ft/sec) Channelized Flow Time t, (min) Computed t�(min) Regional tc(min) Selected t, (min) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr Al 32.25 D 25.26 0.18 0.24 0.32 0.46 0.52 0.59 0.67 60.00 0.020 9.56 2413.00 0.005 5 0.35 113 75 123.31 67 07 67.07 0.79 1.05 1.31 1.74 2.13 2 57 3.79 4.56 8.15 13.44 25.88 35.52 48.63 81.50 X1 32.25 D 25.00 0.18 0.24 0.32 0.46 0.52 0.59 0.67 60.00 0.020 9.58 2413.00 0.005 5 0.35 113.75 123.33 67.25 67.25 0.79 1.05 1.31 1.74 2.12 2.56 3.78 4.50 8.07 13.33 25.75 35.37 48.45 81.25 Area -Weighted Runoff Coefficient Calculations Version 2.00 released May 2017 Designer: RICK HAGMAYER Company: ENERTIA CONSULTING GROUP Date: 4/24/2023 Project: PIVOT SOLAR ON LOEFFLER PARCEL Location: WELD COUNTY Subcatchment Name Al LE GEND : Flow Direction C at chni eat B oimday e Cells of this color are for required user -input Cells of this color are for optional override values Cells of this color are for calculated results based on overrides See sheet "Design Info" for imperviousness -based runoff coefficient values. Sub ID -Area Area (ac) Hydrologic Soil MRCS Group Imperviousness Percent Runoff Coefficient, C 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr ACCESS 0.22 D 40.0 0.30 0.36 0.43 0.54 0.59 0.65 0.71 PADS 0.01 D 100.0 0.83 0.85 0.87 0.88 0.89 0.89 0.90 FIELD 32.02 D 25.0 0.18 0.24 0.32 0.46 0.52 0.59 0.67 32.25 Total Area (ac) 32.25 Area Area -Weighted -Weighted C Override C 0.18 0.24 0.32 0.46 0.52 0.59 0.67 0.18 0.24 0.32 0.46 0.52 0.59 0.67 1 PIVOT SOLAR LOEFFLER PARCEL PROJECT a 1529 MARKET STREET E N E RTI SUITE 200 DENVER, CO 80202 LitASULliNu JARM P LLC (720) 250-8305 FIGURE 1 - PROXIMITY MAP PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELD COUNTY, COLORADO DATE: 3/21/2022 SCALE: 1" = 2,000' BY: NS ENERTIA CONSULTING GROUP [[C July 6, 2022 Weld County Planning and Building Department 1555 N 17th Ave Greeley, CO 80631 1515 Market Street Denver, CO 80202 (720) 792-3917 rick.hagmayer@enertiacg.com RE: Drainage Narrative Pivot Energy Solar Facility on the Loeffler Parcel SE Corner of Weld County Road 35 & Weld County Road 394, Weld County To whom it may concern: This drainage narrative is intended to provide Weld County with drainage and land disturbance information related to a proposed 27.47 -acre solar facility identified as Pivot Energy Solar Facility on the Loeffler Parcel (Project). The Project will be designed and will be constructed and maintained in a manner that minimizes storm water related impacts, in accordance with 2020 Weld County Engineering and Construction criteria. Project Specific Information Project Name, Property Address and Weld County Parcel No. Pivot Energy Solar Facility on the Loeffler Parcel, Parcel: 23896 WCR 35, Parcel No. 105701000041 Developer/Owner Pivot Energy, 1750 15th Street, Suite 400, Denver, CO 80202 Site/Civil Engineer Enertia Consulting Group, LLC, 1515 Market Street, Denver, CO 80202 Project Location and Description The Project is up to a 12 MW solar facility located on approximately 27.47 -acres of undeveloped land within a larger +/- 86.1 acre property; and within section 36, township 5 north, range 66 west of the 6th P.M., Weld County, Colorado. The Project site is bounded by WCR 35 to the west and WCR 394 to the north. Project components include: up to a 12 MW solar facility with approximately 25,000 solar panels mounted on steel H -piles; concrete equipment pads; 20' gravel access driveway with emergency turn -around; and perimeter fence with access gate. With the exception of a gravel driveway and concrete pads for transformers and inverters, the remainder of the solar facility will not require clearing/grubbing of existing vegetation and grading unless required to prevent shading of the solar array. Some grubbing may be necessary to prepare the site with planned native seed mixes. Onsite conditions at the time of seeding will dictate necessity of such methods. The purpose of seeding is to increase the density of the native vegetation already established on site; therefore, grubbing is not considered land disturbance (if it is necessary). Weld County Planning and Building Department Page 2 Land Disturbance and Drainage Information Existing Ground Surface Conditions, Drainage Patterns and Imperviousness The 27.47 -acre solar facility project area may be characterized as undeveloped agricultural land. The applicable FIRM Maps (No. 08123C1726E, No. 08123C1730E), included in Appendix A, indicates that the Project site is mostly located in a Zone A floodplain. This indicates most of the property is within the 100 -year FEMA floodplain. Based on NRCS soils data (also included in Appendix A), the site soils are identified as Loam and Gravelly Sand and classified as Hydrologic Soil Group D. As shown on Figure 1 in Appendix A, the site ground surface gently slopes at an average of 0.5-2 percent from southwest to northeast toward a minor depression located along the west side of the Project site. In general, storm water is conveyed across the Project area toward WCR 394. Floodplain Considerations It is understood solar facilities developed within Type C and/or Type D soils require detention of the 100 -year storm event when located within Weld County. All components of the solar facility proposed with this development are located within the 100 -year floodplain. As such, there is not an increase in stormwater runoff due to the soil classification or time of concentration because the rainfall lands immediately into the tributary water floodplain. It is understood the photovoltaic components of the solar array systems will be installed a minimum of 1.0' above the 100 -year water surface elevation. Additionally, all concrete pads built to support the inverters and transformers will be placed a minimum of 1.0' above the 100 -year water surface elevation. Land Disturbance Activities The site improvements considered as land disturbance activities include installation of: (i) all- weather gravel surface driveway and (ii) concrete equipment pads: (i) Gravel Access Drive — An all-weather gravel surface access drive will extend from WCR 35 east to the solar facility. Given the site soils, an 8 -inch -thick gravel surface (consistent with similar solar facility access drives within Weld County) is proposed. This depth of gravel over compacted subgrade is sufficient to provide routine and emergency access to the Project. (ii) Concrete Equipment Pads — Concrete equipment pads will be installed beneath inverters and transformers and other electrical equipment as required with the development. The pads will be at least 8 -inches thick with reinforcing steel and located generally on the western portion of the site. Lastly, components of the 27.47 -acre solar facility will include up to 25,000 solar panels placed on steel H -piles driven into the ground. Since the solar panels will be tracking panels (rotate through the day to track the path of the sun), the ground surface vegetation beneath the panels will continue to grow. Some minimal grubbing may be necessary to prepare the site with planned native seed mixes. Onsite conditions at the time of seeding will dictate necessity of such methods. The purpose of the seeding is to increased the density of native vegetation; therefore, the grubbing is not considered land disturbance (if it is necessary). Since the layout is unknown at this time, an approximation of anticipated imperviousness from the access drive has been assumed. Historical precedents suggest 1.0% (or less) of total solar Weld County Planning and Building Department Page 3 facilities are dedicated as access drives. As such, it is assumed that approximately 1.0% of the property will be used as a gravel access drive. Land Disturbance Area A total of approximately 13,700 square feet or 0.63 acres of the Project area is anticipated to be disturbed. The total disturbance numbers are summed in the following table. Disturbance Surface Type Disturbance Area (sf) Disturbance Area (Ac) Gravel Drive 11,966 0.275 Concrete Equipment Pads 1,700 0.039 13,666 0.314 Total Hydrologic Design Criteria The following table includes hydrologic design criteria used in this analysis. Parameter Value Unit Reference Time of Concentration, Tc - min. MHFD Rational Peak Method Runoff (Appendix Prediction by the A) Runoff Coefficient, C a a MHFD Table Criteria 6-4 Manual, Chapter 6, 1 -hr Year) Point Rainfall, P1 (100 - 2.31 inches NOAH Rainfall Data (Appendix A) Storm Runoff, Q a cfs Q = CIA Basin Conditions The footprint of the solar facility and access drive is considered to be the subject drainage area under both existing and proposed conditions. The existing condition basin (identified as basin X1 on Figure 1) was analyzed to calculate the peak runoff for the design storm using an imperviousness percentage of 25%. This percentage is based on the soil type and existing conditions of the site. The proposed condition basin (identified as basin Al on Figure 1) was analyzed to calculate the peak runoff for the design storm using an impervious percentage of 25.26%. This percentage is based on the majority of the site remaining as 25% impervious, 0.04 acres changing to 100% impervious (concrete pad area) and 0.275 acres changing to 40 percent impervious (access drive area). It should be noted that the tracking solar panels are not classified as ground surface because precipitation falling on the solar panels will shed onto the undisturbed vegetated surface below. Stormwater Runoff The stormwater runoff for existing and proposed conditions is calculated based on the Rational Method. The 100 -year, 1 -hour storm event was analyzed for basins Al and X1. The flow path for the basins is generally from southwest to northeast toward the Godfrey Ditch depression located northeast of the site. The average ground surface slope across the flow path is 0.5% to 2%. The time of concentration to this point was calculated using MHFD equations are Weld County Planning and Building Department Page 4 summarized below and can be found on the MHFD Peak Runoff Prediction by the Rational Method in Appendix A. The Runoff Coefficients are also included in the MHFD Peak Runoff Prediction by the Rational Method and are summarized below. Basin Concentration (Min) Runoff Coefficients (Cioo) Time of X1 84.77 0.59 Al 84.54 0.59 The precipitation data used for the 100 -year, 1 -hour storm event is based on NOAA rainfall data from the Project site and is included in Appendix A. Per the Basin Runoff Calculation (MHFD Peak Runoff Prediction by the Rational Method) included in Appendix A the 100 -year runoff flows are as follows: Basin Q,00 (cfs) X1 29.63 Al 29.74 Net +0.11 Under developed conditions, runoff will follow existing drainage patterns, will not significantly increase peak flows (increase from 29.63 cfs to 29.74 cfs), Accordingly, the Project will not require storm water detention. Summary The following list summarizes key components of the Project and findings related to land disturbance and storm water impacts. 1. Installation of the solar facility will temporarily disturb the ground surface within the 27.47 -acre Project area. Grubbing may be required to provide appropriate conditions for seeding. It is intended for the vegetation throughout the site to be improved as a result, therefore is not considered land disturbance. The concrete pads and drive isles will be grubbed, but grading will not be needed. 2. The areas considered impervious (100 percent impervious 1,700 sf concrete pads) or semi -impervious (40 percent impervious 11,966 sf gravel access drive) total 0.314 acres or 1.07% of the 27.47 -acre solar facility area. 3. Under existing conditions, the peak flow originating from the solar facility area for the 100 yr — lhr storm event is 29.63 cfs. 4. Under developed conditions, the peak flow originating from the solar facility area for the 100 yr - 1 hr storm event is 29.74 cfs. Weld County Planning and Building Department Page 5 5. The project site is located entirely within the FEMA floodplain. Per section 8-11-40-A exceptions 11, the project is exempted from detention requirements. 6. Since the land disturbance is less than 1 acre, a CDPS storm water certificate issued by CDPHE is not required for this Project. 7. Installation and operation of the solar facility is not expected to impact existing drainage patterns or flow rates on or around the Project site. Runoff water quality will not be impacted by the solar facility components. 8. The Project design will adequately protect public health, safety and general welfare and have no adverse effects on Weld County 35 right-of-way or offsite properties. We trust that the information provided is acceptable and complete. Please let me know if you have any questions or require additional information. Please contact me at rick.hagmayer@enertiacg.com or (720) 792-3917 should you require additional information. Sincerely, ENERTIA CONSULTING GROUP, LLC Rick Hagmayer, PE Senior Project Manager attachment Appendix A Reference Documents • FIRM Map • USDA Soils Report • Project Drainage Map • Basin Runoff Calculations • Project Vicinity Map NOTES TO USERS This map is for use in adn.nashrng the National Flood ina.nnce Pregrar' It apes not necessarily i entiy as mess subsea lo t,00*ngp tbNany from local drainage sOurces Of smell sure The community map repoaeay 11KYna be convened to Possible updated or aodntonal 400d le:ard Information To ocNn more oetarbd intotrnnnan in mem ions•. Best Flood Elevations (BlEst armor floodweys neve been aeufrnned users ate encouraged to consult the FWoo Profiles rind FixJdway Die end's' Summery of Strives Elevation. tables contained within the Fenod Insurance Study I FIST Report that rzornpanies this FIRM Users Would be owner ions BFEs shown on the FIRM reviews rounded ale foot elevations' These BFEs me Intended for flood inswwna rating purposes only end shard not be used as the wee source of flood Menton into rnateon Accordingly. 'food eM.Non nets presented in the FIS Report snuu:A be utilized in :.o', urticr' with the FIRM for purposes ul rxn studios andwor noodOlaln masegerrw,t Coastal Base Flood Elevations shown on tins map apply only landward of 0 0 NOM Americai'xrtcS Datumd 1986 tNAVD 8tr Users of this FIRM would be ewes Mel coaalS floral elevations are also podded in lbs Summery d Slants Elevations tilde in the Floor Insurance Study Report far the jurisdiction Elevations %Crystal in ins Summary or Siillwath Ammons table should be used to construction anal'ar Oceanian management purposes *nen they are higher than Me elevetons shown on this FIRM Goundenn a the floodwrsys were computed al CIS* spawns end rnterpouted between cons sections The nod:Mays were baled On hyd(IWac conrdor/t.ont wan repent to requirements d the Nation« Food Insrance Program Flootswey widths and other pertinent headway' date are orpndea in He )loop Insurance Study Repel for the µ nsaa on Certain teas not in Special Flood Hurd Arse may be ptoteCted by Good control structures Refer to Section 2 4 TICS Protection Measures' of the Flood Istars Study Rsoon tor nlonw.on on food control structures for this luneaceai The prolsctlon used In the blepwabOn of Pus map was Universal Transverse Metcawt IUTMI zone 13 The horizontal datum wee MAD 83. ORS 19% .Ph•erotd Odfstruea m daturn.. swi ntsd. protection a UTM zones used in rim pmdtn icn d FIRM% her adleaem Mmsdldtons may mesa In slight pistons dflweces m nap features actors kdyadcbon boundaries These dblarw.ces du not affect the 'caul acy of tills FIRM. Flood ale assts on this map at referenced to the North American Ventral Datum or 1968 These bard ehir etl,n. must be compered to Siudure and wound elections referenced to Ihe same vertical datum For itdormation rperbrp ooaweieon between the National Geodetic Wood Datum d 1929 and the North American Wfural Datum Of t908 at the darns Geodetic Survey aabsee r !tact) ^etnal'Many or contact the Nabend Geodetic Sway d the lolloa ng eddies NG5 mntortnation Sensate N0AA NMGS12 National Geodetic Survey SSMC -3. *9202 1315 East-West Mtgnway Sever Spring. Maryland 24910-3282 :301)113-3242 To obtain cunsnt atevation, asecnctaonn, arvjor location *Monition tot bench marks shown on tI •s map. peas contact Ins 'donrra:oil Services Branch of the Nataoral Geodetic Survey at (3011713. 3242 or vim as notate at Mlg JAeww.nol pgag gry Base map uifornaeewn shaven on this FIRM wit dammed horn SUMP Oil rupadugra,by t todw;eo will a ore nets grovna ies dt4wn 'turn plt'ogruphy dated 2013 TM profile besetines depicted 0r11Ins rnap represent the hydrautn: rlxidellrlg benitnes that math in. flood profiles in flit FIS report As M result of improved toting iphc Sala the profile bar1WM tr tome cases may deviate stgnfcently from the c'err* :enferlule or appear outside the SFHA This map redacts mote detailed and uplGOate stream channel configurations than (nose shown on C.e prrwous FIRM to tuna :.aiSC-dcn m e 0300041.111 and ?loodways that wane Ilansrslred lean the previous FIRM may her been Elmer t0 conform to these new stream channel configurations As a result the Ftrwo Profiles And FItooea) Dale tale/ for mitluple almeama in me Flood Insosnim Study Report iwtuch warns eulnontabve hydraulic deal may reflect Green channel matnntes that dreer hom what as shown on thts ntap Corporate Snit 'rune; co tors map are based on the bee Ora evadaUe a: the unit d pub, Gallo,, decals changes sue lc arrrxab4n4 cc osanfaaal:otts may have occurred alter tins map was pubishrd map men Marta Oarlteci appmplete community (flr7es to vet 4y current corporate emit locations Please refer to the separate) maned Map Index for an oat-nw map d the county showsng one layout of map oasis co tmundy map repository aaaenss end a Laang of Communities table contenting National Flood Insurance Fro: rem dates la each community as urea as meting of the panels on which each community is 6ct:aea For information on aradable products associated wmtt this FIRM vise trio Map Service Center (MSC) wsoete a tabs •imsiaitcf9Ry Available products nod include previously issued Letters of Map Change a Flood Insurance Study Report anMor dt96a l verar0ns of tots map. Many a :rime products car De proceed or obtained directly horn Is MSC waterier If you have questions about tins map, how M order pOO cts a ins NS mnal Flood Iralance Program in general please cad IM FEMA Map Information ellcfienye (PMIX) at 1-8774111AMAP l 877 3362627, o r,.m the FEMA webute al MD /Yawn Irmo 0cv;D1.FlteWrdl0 104. 46 OlY 40' 22' 30' "66c'•i' N u& N . is 1\ Uhl ( aunt) I Mil.rinV.V. .l..lfc11 \yrey n l)3lt , i 44TH AVE me 7(0'14 Mold County I.nincorporated Areas 1)80266 %S eld ( bunt) E nincorporated .Areas 080266 a66•"'4 40' 20' 37.5' 104' 4r, o 1210003 F \\Cite ( mom I mot iii 1iur.ilii it I Weil cvsl U311.86 JOINS PANEL 1730 Weld Count) NOTE MAP AREA SHOWN ON THIS PANEL IS LOCATED WTTHIN RANGE K WEST. ut 5000 F T I nincurporaled Areas 080266 litayT''Fi " toe PARAYr 104. 43 07 5' 40' 27 30' a• • 4 +.3$0000 F T ZONE AE 1375C•004I h u z 1370000 F T 'town of la Salle 080186 40 fir s, t 1W' 43 07 5• LEGEND spECUIi FLOOD HAZARD A4IIAS (SFHAs) SUBJECT TO INUNDATION BY THE 196 ANNUAL. CHANCE F4.000 he 1% line 17iem neon 4 4eeiea rhea) Sc Mean at MR me ewe. a eta Isst0 ma rw, • l`. trance of beg seetel or Otsinc a ear ram as Tim Spinal 9000 rested MM 4 es sat wtMMC to ovine tv w I V 44F. • ctsa rams ales tx Spada •tee her) in tune ilrm% A. M. Al, AA, AA, M9, ASS Vt The Mw flood fly a rd H Mr .null. h.atrtcr «e•rtart at w 1% amore i'le'a tat Toro A tavi At LONE AM ft Maw rood /meow OAmmnkt Ma* Ibp7 to .lexa.. tee rewee taxi de4On if I to I SS (sassy San s t-ed•V) sew now Le aatrn dewnll sal IOnE AO 14s': Oita' d I u) ) In (say ibewe now or Naar,% ternw i snap deob.w oMenonse Ill reps iS a kMM 4n naloe L flc lea l►J oaenrw mJ LOS AA 5tera Hal an Aloe tOnen pc .J Nuts sum It'. snail mime raw to • nom ratio fotein met Hat ktncl.cu1 aflame Axe. Aa ndafll the Its carte tape cored warn c 0cc mono to proem pate Ivan Se I% emu* stern a nos sw1 £O545 AM MOO ID ea misted noun 2% anal dam Maid et, a Itdan Moo imilaCtIon >Nan .are, :oridARitn. to Now FOad .roman aes,r.mel tont v Use npuo raw NIA Mtory rare Cows acvm? no Oar .too L ato.. dOerewed toss Vr Cella hall roe with ..!loft cart I red ante• i. Maw naafi (Wa n ern fl —el vs FtOCIUWAY AREAS IN !IRIS AL ire ricomev n w Me ne aI a +earn paw en• walla~ ns,Mmin stet OW OW be weOd nee OF e'aualw mre PO TO ON I% annul mere roue pit bt rod .etait wealWM vows n kno hooch tad x tawx lONt 0 �• `Y (OTHER F1000 ARIAS Man A 0 lS ✓"na vineItlOa aims V 1% saws creme "WI silk awry. atMH a taw try, , We' rah mate el s Ina than I punt mtt at Mats prOfaCa a by Wets Iran I% anal [PAM NCO. (TIMER AREAS Men raintwo so be oMOtr tit DM Mfr.* (hate Amapa" M.., el twar Mai to the e: U•0101vt.met), at x•n.bt COASTAL BARRIER RESOURCES SYSTEM (CbAS) AREAS OTHERWISE PROTECTED AREAS (OMs) wt9ares see Anse we norm% soused mum el moat to spits Perm tss'e Arad. 1% A no& On mati.•i OTumary 0 r M t., 1 Own r aldpate, Iowan/ AeCesear Wade, e Ci Pardo, teas rd tee oat as, Oetraery head Spas rams nose Mm lawn ec acumen MrdM ipeta• tae SJ&J one. of 'Wart San Flout Ewes. flan J•0aw u Mao nttr. Mae Vaud beam Or and skit •ewaan w Ode• �• tt n r, ON• H0µ Beaten •nr arts .tNOnu .inn .use. eevalo' n IM. 'lawn mp sa tie INTO Mclean erica titan ✓ we 46' 02 et SOC2 is 3t000t0 FT was h C. sst0 X 5MtI Oat samn lot lanai nit GOMISQS casWnrs rdar•ra a a.! roil Amens, Callan at 195) (SO et rwgNn eentrtrs SOCLNera ant Cnuaoo Starr rate Fears tare Un 3raw 05.1:4 anal C alotf* CtIr.C Ptge:trn 10:0‘hithe unnra nrra+ew 1M.axn era lasts :ors I I Era rant (wee ectiraot r rues to an mad d Wm 01A$ trine) Ass MS MAP Ykposll Wnta Ram W IMP Msonserw W on Map nr)e. ESC VC Ira DATE O< COmeaat not FI.000 elJURAICI Pinta MAP Ja.•ern )V dvlt CI ttGlNt OAIE au co wevisrAt5110 Flea Mt16L 1 ed cbrenwey nap mesa bay den w aWyn.d. rt'rap ) mate to es Czarina. 11.p haatpry orator eclet0 n em F.ssi rill .roc• Sterry repel as ea palati "a a.a..rl.• f stc4 M✓aa0 • a, Mora• A TO Conn. ly.:Onwu lo/ n✓ as •V•^. h di Ma Nan Flood mepale:. Pruran M n ew ►m able MAP SCALE 1' • 500' »u o 600 f� `rte• —c 170 160 ten ff7 O t1f !PPS I PANEL 1726E i (SEE j coma FIRM FLOOD WELD COLORADO AND PANEL INCORPORATED 1726 MAP INSURANCE COUNTY, INDEA RATE MAP AREAS OF 2250 FOR F•RM PANEL LAYOUT) ha 0il ` al l CD o •ar 8n'III l iW aV .. �1 ' fifllr_Rll_ BUMP PANEL tflt ak Me cm OF AC14 Cis I Most codicl ow•IC i.m s albatesty tams crap a NOW* toUaw The Map Number nowt Sew Rhoda be used stien placing map order alf1 a d l i'rl• G •rt rwlP ptHlO (CI I II. Jd Community Number shown above shard be toad on rtstuan_e aptxcatn>,•n fy "Al SOS aammundy (inn • tF n Valli', dMAP `' z ~ NUMBER 08123C1726E EFFECTIVE DATE r ®'1 y tI 'ZI y�= JANUARY 20, 2016 Federal Emergent) Slastlgeweat ARmtp 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 March 15, 2022 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.nrcs.usda.gov/wps/ portal/nrcs/main/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (https://offices.sc.egov.usda.gov/locator/app?agency=nrcs) or your NRCS State Soil Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/? cid=nrcs142p2_053951). 142p2_053951). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Web Soil Survey, the site for official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require 2 alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface 2 How Soil Surveys Are Made 5 Soil Map 8 Soil Map (Loefler Parcel) 9 Legend 10 Map Unit Legend (Loefler Parcel) 11 Map Unit Descriptions (Loefler Parcel) 11 Weld County, Colorado, Southern Part 13 3—Aquolls and Aquents, gravelly substratum 13 68—Ustic Torriorthents, moderately steep 14 References 16 4 How Soil Surveys Are Made Soil surveys are made to provide information about the soils and miscellaneous areas in a specific area. They include a description of the soils and miscellaneous areas and their location on the landscape and tables that show soil properties and limitations affecting various uses. Soil scientists observed the steepness, length, and shape of the slopes; the general pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. They observed and described many soil profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The profile extends from the surface down into the unconsolidated material in which the soil formed or from the surface down to bedrock. The unconsolidated material is devoid of roots and other living organisms and has not been changed by other biological activity. Currently, soils are mapped according to the boundaries of major land resource areas (MLRAs). MLRAs are geographically associated land resource units that share common characteristics related to physiography, geology, climate, water resources, soils, biological resources, and land uses (USDA, 2006). Soil survey areas typically consist of parts of one or more MLRA. The soils and miscellaneous areas in a survey area occur in an orderly pattern that is related to the geology, landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous area is associated with a particular kind of landform or with a segment of the landform. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they were formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. Commonly, individual soils on the landscape merge into one another as their characteristics gradually change. To construct an accurate soil map, however, soil scientists must determine the boundaries between the soils. They can observe only a limited number of soil profiles. Nevertheless, these observations, supplemented by an understanding of the soil -vegetation -landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to determine the boundaries. Soil scientists recorded the characteristics of the soil profiles that they studied. They noted soil color, texture, size and shape of soil aggregates, kind and amount of rock fragments, distribution of plant roots, reaction, and other features that enable them to identify soils. After describing the soils in the survey area and determining their properties, the soil scientists assigned the soils to taxonomic classes (units). Taxonomic classes are concepts. Each taxonomic class has a set of soil characteristics with precisely defined limits. The classes are used as a basis for comparison to classify soils systematically. Soil taxonomy, the system of taxonomic classification used in the United States, is based mainly on the kind and character of soil properties and the arrangement of horizons within the profile. After the soil 5 Custom Soil Resource Report scientists classified and named the soils in the survey area, they compared the individual soils with similar soils in the same taxonomic class in other areas so that they could confirm data and assemble additional data based on experience and research. The objective of soil mapping is not to delineate pure map unit components; the objective is to separate the landscape into landforms or landform segments that have similar use and management requirements. Each map unit is defined by a unique combination of soil components and/or miscellaneous areas in predictable proportions. Some components may be highly contrasting to the other components of the map unit. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The delineation of such landforms and landform segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, onsite investigation is needed to define and locate the soils and miscellaneous areas. Soil scientists make many field observations in the process of producing a soil map. The frequency of observation is dependent upon several factors, including scale of mapping, intensity of mapping, design of map units, complexity of the landscape, and experience of the soil scientist. Observations are made to test and refine the soil -landscape model and predictions and to verify the classification of the soils at specific locations. Once the soil -landscape model is refined, a significantly smaller number of measurements of individual soil properties are made and recorded. These measurements may include field measurements, such as those for color, depth to bedrock, and texture, and laboratory measurements, such as those for content of sand, silt, clay, salt, and other components. Properties of each soil typically vary from one point to another across the landscape. Observations for map unit components are aggregated to develop ranges of characteristics for the components. The aggregated values are presented. Direct measurements do not exist for every property presented for every map unit component. Values for some properties are estimated from combinations of other properties. While a soil survey is in progress, samples of some of the soils in the area generally are collected for laboratory analyses and for engineering tests. Soil scientists interpret the data from these analyses and tests as well as the field -observed characteristics and the soil properties to determine the expected behavior of the soils under different uses. Interpretations for all of the soils are field tested through observation of the soils in different uses and under different levels of management. Some interpretations are modified to fit local conditions, and some new interpretations are developed to meet local needs. Data are assembled from other sources, such as research information, production records, and field experience of specialists. For example, data on crop yields under defined levels of management are assembled from farm records and from field or plot experiments on the same kinds of soil. Predictions about soil behavior are based not only on soil properties but also on such variables as climate and biological activity. Soil conditions are predictable over long periods of time, but they are not predictable from year to year. For example, soil scientists can predict with a fairly high degree of accuracy that a given soil will have a high water table within certain depths in most years, but they cannot predict that a high water table will always be at a specific level in the soil on a specific date. After soil scientists located and identified the significant natural bodies of soil in the survey area, they drew the boundaries of these bodies on aerial photographs and 6 Custom Soil Resource Report identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. 8 40° 21' 2" N a3 4 8 4 40° 20' 27" N 522400 522500 522500 Custom Soil Resource Report Soil Map (Loefler Parcel) 522600 522600 522700 522700 Map Scale: 1:5,240 if printed on A portrait (8.5" x 11") sheet. Meters 0 50 100 200 300 522800 Feet 0 250 500 1000 1500 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 522900 522900 523000 523000 523100 523100 104° 43' 39 VV 8 40°212 N 4 S 4 4 40° 20'27'N 9 Custom Soil Resource Report MAP LEGEND Area of Interest (AO!) Area of Interest (AO1) Soils C Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Y . Blowout r, O 0 v •m 4 4 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 Sodic Spot a Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background iair°§1 Aerial Photography MAP INFORMATION The soil surveys that comprise your AOI 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: 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 -MRCS certified data as of the version date(s) listed below. Soil Survey Area: Weld County, Colorado, Southern Part Survey Area Data: Version 20, Aug 31, 2021 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Jul 19, 2018 -Aug 10, 2018 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. 10 Custom Soil Resource Report Map Unit Legend (Loefler Parcel) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 3 Aquolls and Aquents, substratum gravelly 58.4 99.9% 68 Ustic Torriorthents, moderately steep 0.0 0.1% Totals for Area of Interest 58.5 100.0% Map Unit Descriptions (Loefler Parcel) The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it 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, 11 Custom Soil Resource Report onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha -Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. 12 Custom Soil Resource Report Weld County, Colorado, Southern Part 3 Aquolls and Aquents, gravelly substratum Map Unit Setting National map unit symbol: 3627 Elevation: 4,000 to 7,200 feet Mean annual precipitation: 12 to 18 inches Mean annual air temperature: 45 to 55 degrees F Frost -free period: 80 to 155 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Aquolls Setting Landform: Swales, streams, flood plains Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile HI - 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 Drainage class: Poorly drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: About 6 to 48 inches Frequency of flooding: FrequentNone Frequency of ponding: None Maximum salinity: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) Available water supply, 0 to 60 inches: Moderate (about 8.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D Ecological site: R067BY035CO - Salt Meadow Hydric soil rating: Yes Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down -slope shape: Linear 13 Custom Soil Resource Report 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 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: FrequentNone Frequency of ponding: None Calcium carbonate, maximum content: 10 percent Maximum salinity: Nonsaline to moderately saline (0.0 to 8.0 mmhos/cm) Available water supply, 0 to 60 inches: Moderate (about 6.6 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (non irrigated): 6w Hydrologic Soil Group: D Ecological site: R067BY035CO - Salt Meadow 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 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 Custom Soil Resource Report Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Ustic Torriorthents 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 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 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 5 percent Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) Available water supply, 0 to 60 inches: Very low (about 1.8 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (non irrigated): 7s Hydrologic Soil Group: A Ecological site: R067BY063CO - Gravel Breaks 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 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. N ational 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.nrcs.usda.gov/wps/portal/ nres/detai I/national/soils/?cid=nres 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 res142p2_053577 Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http:// www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=n res142p2_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. U nited States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. U nited States Department of Agriculture, Natural Resources Conservation Service. N ational forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/ home/?cid=nrcs142p2_053374 U nited States Department of Agriculture, Natural Resources Conservation Service. N ational range and pasture handbook. http://www.nrcs.usda.gov/wps/portal/nrcs/ detail/national/landuse/rangepastu re/?cid=stel prdb 1043084 16 Custom Soil Resource Report U nited States Department of Agriculture, Natural Resources Conservation Service. N ational soil survey handbook, title 430 -VI. http://www.nrcs.usda.gov/wps/portal/ nres/detai I/soils/scientists/?cid=nres 142p2 054242 U nited States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/? cid=nrcs142p2_053624 U nited States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nres.usda.gov/Internet/FSE_DOCUMENTS/nres142p2_052290.pdf 17 v. D a g � /t 3 2747 Co III 8 N I I. 5 O a 0 CO 41 0 0 • u 4 O 4 ipp % S + 0 1 r O u N 0 4 g r n t IS 't •1. .f� �+''l .�'l. ��t p .w•-.. " ._ - , .. v.,i '}'{Y'- 9 9• ' 1 ? e- siiiti r 3 " I ..ai. "_ 8 8 8 s r • J c a ,- WELD COUNTY ROAD 35 `, 1 'mot, ---s 19:I\ I Ia . ; i t i " s � a • i. i i Q. 101 i ii ni6 �A .....q § c of • fir. se I OP .0 7 Q - i ► c 8 8 r if ii a 1 �•' a ~� I a N 6 i�� \ It , .... _Trawl) Flo+ TIM* El I i 5 - ` ` .; Aik lit I �� • . } I it_ - 8 1 Rll g _ W ' 11 f t ly n,T» of Como n4.bon e s 2 41N 9 Ot 9 8 4 4 3 a e ? S4 ' iirt ) v 1 IQ m In N N f A F a • G A Tm a a iAL DESCRIP' NI I IV ! f a F, [`or O D O O ' Z i OP T i o r= V g a Z �� o f .- 1y� 5 g G" D" i ti " g wg a Z ?_ .T1 ti • O .. i a •. Y g 6 4 T a g z r _ @�, m a Z 3 . s ' 2t Ir is 8 � < ..: x X I WI N a 8 • it. is St - � ai V i I -4 n qr.- i L s i SHEET 1 OF ,1 g m DATE JULY 6, 2022 VERIFY SCALE RM 6 OWE INCH Oh ORIGINAL ORAIMNO. 0 - SCALE PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELDCOUNI"( Da e` 4.. .4 ,,ok 175015TH DENVER Pivot Energy ST. SUITE 400 coaozoz - - - ._;; ENERTIA - i LiiArf:i kt UNUar L 1529 MARKET STREET SUITE 200 DENVER COLORADO 80202 iy. ...... ._.a OV E RAL L DRAINAGE AREA MAP N° DATE REVisio+v DSGN PNOT .... +.,..... a Kam..... DR NS r. �.... I. -,•.... ,. .. e.,r.k, CHKRH ...., ....,re....r.l. Rr APVD RH nonrrce.n.:.i nc-e...i c .e �.:c eanncen nc cuen iti CONSUL TING GROUP AND IS NOT TO SE USED I/. WHOLE. OR P. WW' FOR AK' OTHER PROJECT WTTHOU' T.4f Vertt. Au! .,ORIZAnon O1 ERIR IM CO^.SU.-WG 5RDUP Calculation of Peak Runoff using Rational Method Designer: RICK HAGMAYER Company: ENERTIA CONSULTING GROUF Date: 7/8/2022 Project: PIVOT SOLAR ON LOEFFLER PARCEL Location: WELD COUNTY Version 2.00 released May 2017 Cells of this color are for required user -input Cells of this color are for optional override values Cells of this color are for calculated results based on overrides t 5033 0.395(1.1 - CO).jt Lt Lt tt 60K, 60V, Computed t =t,+tt LL Regional t = (26 — 17i) + 60(141+ 9),ITL t tu,;uu„uu,= 5 (urban) trr„r,,rr,ur„= 10 (non -urban) Selected t, = maxttr,,;r;u,um , min(Computed t ,Regional t )j Select UDFCD location for NOAA Atlas 14 Rainfall Depths from the pulldown list OR enter your own depths obtained from the NOAA website (click this link) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr 1 -hour rainfall depth, P1 (In) =j 0.83 .1 1.09 .1 1.33 .1 1.69 I 1.99 I 2.31 .1 3.14 Rainfall Intensity Equation Coefficients = a b c 28.50 10.00 0.786 I(in/Itr) = rh + tc)° Q(cfs) = CIA Subcatchment Name Area (ac) NRCS Hydrologic Soil Group Percent Imperviousnes s Runoff Coefficient, C Overland (Initial) Flow Time Channelized (Travel) Flow Time Time of Concentration Rainfall Intensity, I (in/hr) Peak Flow, Q (cfs) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr Overland Flow Length L, (ft) U/S Elevation (ft) (Optional) D/S Elevation (ft) (Optional) ( p Overland Flow Slope S, (ft/ft) Overland Flow Time t, (min) Channelized Flow Length L, (ft) U/S Elevation (ft) (Optional) D/S Elevation (ft) (Optional) ( P ) Channelized Flow Slope S, (ft/ft) NRCS Conveyance Factor K Channelized Flow Velocity V, (ft/sec) Channelized Flow Time t, (min) Computed t�(min) Regional te(min) Selected te(min) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr Al 27.47 D 25.26 0.18 0.24 0.32 0.46 0.52 0.59 0.67 60.00 0.020 9.56 2413.00 0.005 5 0.35 113 75 123.31 67 07 67.07 0.77 1.02 1.25 1.58 1.86 2 16 2 94 3.78 6.76 10.87 20.03 26.52 34.92 53.95 X1 27.47 D 25.00 0.18 0.24 0.32 0.46 0.52 0.59 0.67 60.00 0.020 9.58 2413.00 0.005 5 0.35 113.75 123.33 67.25 67.25 0.77 1.02 1.24 1.58 1.86 2.16 2.94 3.73 6.69 10.79 19.93 26.41 34.79 53.79 Area -Weighted Runoff Coefficient Calculations Version 2.00 released May 2017 Designer: RICK HAGMAYER Company: ENERTIA CONSULTING GROUP Date: 7/8/2022 Project: PIVOT SOLAR ON LOEFFLER PARCEL Location: WELD COUNTY Subcatchment Name Al LE GEND : Flow Direction C at chni eat B oimday e Cells of this color are for required user -input Cells of this color are for optional override values Cells of this color are for calculated results based on overrides See sheet "Design Info" for imperviousness -based runoff coefficient values. Sub ID -Area Area (ac) Hydrologic Soil NRCS Group Imperviousness Percent Runoff Coefficient, C 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr ACCESS 0.27 D 40.0 0.30 0.36 0.43 0.54 0.59 0.65 0.71 PADS 0.04 D 100.0 0.83 0.85 0.87 0.88 0.89 0.89 0.90 FIELD 27.16 D 25.0 0.18 0.24 0.32 0.46 0.52 0.59 0.67 27.47 Total Area (ac) 27.47 Area Area -Weighted -Weighted C Override C 0.18 0.24 0.32 0.46 0.52 0.59 0.67 0.18 0.24 0.32 0.46 0.52 0.59 0.67 1 PIVOT SOLAR LOEFFLER PARCEL PROJECT a 1529 MARKET STREET E N E RTI SUITE 200 DENVER, CO 80202 LitASULliNu JARM P LLC (720) 250-8305 FIGURE 1 - PROXIMITY MAP PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELD COUNTY, COLORADO DATE: 3/21/2022 SCALE: 1" = 2,000' BY: NS Pivot .„, Energy Pivot Solar 36 LLC — Dust Mitigation Plan Stormwater best management practices will be followed to mitigate dust and debris during the construction process. Construction staff are responsible for dust control and will determine which of the following methods are needed to accommodate the specific site and weather conditions: • Sprinkling/irrigation- Sprinkle ground surface with water to moisten the area and control dust. Extra watering may be considered for haul roads and other traffic routes. • Vegetative cover- Vegetative cover may be used in areas where construction staff do not designate for vehicle traffic. Vegetative cover can help reduce wind velocity at the ground surface, therefore reducing dust accumulation. • Mulch- The use of mulch may be used as a useful dust control method for a recently disturbed area. • Wind breaks- Wind break barriers might be used to reduce the intensity of the wind throughout the site. • Stone- Stone may be used atop portions of the site to reduce the amount of dust that will be kicked up into the air. pivotenergy.net to WELD CO0HTM. CO Weld County PROPERTY PORTAL Property Information (970) 400-3650 Technical Support (970) 400-4357 Tools Identify Measure Layers ft • Home Legend Result Show Layers Draw Advanced Owner Address Account # Parcel # S -T -R Subdivision Adv. Search Data Search Search by Ownership v Filter Layers... Filter - IQ Floodplain to Layers S Effective Floodplain - FEMA el A FEMA LOM.A F' FEMA FIRM Base Hood Elevations CZ 5 • F' Zone A FEMA FIRM Panel Floodplain - 500 Year Floodplain - 100 Year F' Zone AE Floodplain - 100 Year Floodplain - 100 Year Floodway RJ Floodplain e 100 Year J- .- Parcels (1) > Easemaps S .t Initial view Print Identify Point Floodway 1726 N -'\:.:N \ \•'N, \\•\ 190 Year' TooI 111 YE -elf AL 1 • t - _ ` ,i a CT! eitte- ty- re 47 ►� x�e 4?p'jn N 1.00 Year AE Tool Labels f Af. Weld County GIS l X I. Pivot Energy Pivot Solar 36 LLC - Landscape and Screening Plan Pivot Solar 36 LLC is being constructed near the intersection of Weld County Road 35 and Highway 394. The site is approximately 65 acres and is located directly south of Pivot Solar 22 LLC. Other nearby uses include center pivot agriculture, as well as an existing oil and gas well onsite. Solar facilities present a low profile, especially when compared to other operational energy and commercial facilities already present on and near the property. As such, these installations generate very little visual impact to neighboring properties and typically require little in the way of visual buffering. The main strategy employed to lessen visual impact of the proposed installation is to site the facility at the greatest feasible distance from any residences on neighboring properties and from the right-of-way. The solar site is strategically designed on the site to be situated on the far east side of the parcel. The applicant intends to provide a 500 -foot buffer between the solar equipment and any neighboring residential parcels. In addition, the applicant proposes to surround the facility with a decorative, wildlife friendly game fence which will serve to break up the visual impact of the facility when viewed from adjoining properties. Within the fence line and on any other areas disturbed during construction, applicant will establish native, low -growth grasses in keeping with vegetation common for the area to allow the project area to blend in with the surroundings. pivotenergy.net I. Pivot Energy Pivot Solar 36 LLC — Maintenance and Vegetation Plan Site maintenance is critical to ensure that an operational solar facility meets all conditions of operation. This document outlines the steps the operator will take to ensure the site is properly maintained during construction and throughout the operational life of the facility. 1) Weed Management If construction occurs during growing season, Pivot will apply broadleaf herbicide prior to commencing construction. Once construction is complete, Pivot will re -apply broadleaf herbicide if needed to allow planted native grass seed mix to revegetate. Hydro -seed or hydro -mulch a drought tolerant native grass seed mix in the early spring or early fall. Final seed mix will be determined by an approved professional knowledgeable with re -vegetation means and methods. Mow project area a minimum of once per year, at a cut height of no less than six inches. It is possible that mowing may need to take place twice or more during the growing season Since weed seeds remain viable in the soil for number years, site and weed management is a long-term process. Treated areas will be monitored annually and re- treated if necessary, using typical weed management practices and procedures. 2) Planting Method Preferred method will be hydroseed and hydro -mulching. If required, nutrient supplementation will take place to ensure the successful establishment of permanent ground cover. Permanent seeding shall occur between December 1 and May 1 or between August 1 and September 1, or as recommended by a vegetation specialist. 3) Temporary Seed Mix Temporary seeding areas, which will be ready for stabilization after May 1 and before August 1, shall be seeded with Millet or Sorghum at the rate of 40 pounds per acre, with the amount of fertilizer as specified. The requirement to plant temporary seeding does not eliminate the requirement to plant permanent seeding. Straw mulch is not required for temporary seeding. 4) Permanent Seed Mix To consist of native, drought -tolerant, low growth grasses and flowering plants. If viable, preference will be given to a seed mix that can support pollinators. Final mix will be determined at the time of planting by a qualified vegetation specialist. 5) Site Maintenance Checklist a) Mow project area once per year at a minimum to a cut height of 6 inches or greater. pivotenergy.net I. Pivot Energy Pivot Solar 36 LLC — Maintenance and Vegetation Plan b) Walk the site and remove any accumulated debris on either side of the fence line and properly dispose. No burning of trash will be allowed. c) Apply herbicide as needed to control noxious weeds. d) Inspect and re -seed any bare ground with permanent seeding. e) Inspect fence and repair as needed. f) Inspect all-weather access road and repair as needed. g) Inspect site for any visible erosion. Remove transported sediment and implement necessary erosion control measures to minimize future maintenance issues. pivotenergy.net Xcel Energy® Garden ID: SRC087290 8/9/2022 Pivot Solar 36 LLC 1750 15th St, Suite 400, Denver, CO 80202 Xcel Energy Solar*Rewards Community Reservation Letter Thank you for your interest in the Solar*Rewards Community program. We are pleased to offer you aRenewable Energy Credit (REC) price of $0.0550000per kWh produced (from subscribed garden capacity). This is contingent upon approval of the completed photovoltaic project as specified below. The REC payments will be made payable to Pivot Solar 36 LLC. If the final system size varies from these specifications by more than 10%, your application will be declined. Garden Location: 40.346081, -104.734504 LA SALLE, CO, 80645 La Salh CO 80645 System size: 6124.80(kW DC PVWatts annual energy production estimate: 10630809.00 kWh The REC price and reservation are valid for 18 months from the date the project is accepted into the program. If your project is not completed within 18 months, your application deposit will be forfeited and your application will be declined. You can re -apply if you are still interested, but the project will be subject to current program availability and incentive levels. Please sign this letter and upload to the application website. If you have questions, you can contact us at solarrewardscommunity (dlcelenergy.com. I hereby confirm and accept this Reservation Letter to secure the offer: Subscriber Organization Printer Name Subscriber OrganizationSignature: c_ Date 8 / 9 /2022 Pivot Solar 36 LLC Weld County Response Comments Project: Pivot Solar 36 LLC, USR23-0008 Applicant: Kyle Sundman Table of Contents 1. Comment Responses for PS 33, 35, 36 2. City of Greeley 3. Weld County Code Compliance 4. Weld County Department of Public Health 5. City of Evans 6. Weld County Floodplain Referral 7. Mineral Notice Certification 8. Weld County Oil and Gas Energy Department 9. Weld County Department of Public Works 10. Weld County Sheriffs Office 11. Town of LaSalle 12. USR Planset 13. Drainage Letter 14. Floodplain Permit 888.734.3033 I info@pivotenergy.net I pivotenergy.net Pivot Energy Resubmittal Items to Weld County Applicant: Kyle Sundman April 24, 2023 Outstanding items and questions on USR23-0006. 0007. and 0008 (Solar Energy Facilities) PS 33 (USR23-0007), PS 35 (USR23-0006), and PS 36 (USR23-0008) All three: & $(8F$H& & &. K >a & & I & I� & B[& 4.& & (88t & ' & & AAACI8t 4) CAAJ AAAT& & AAAU&,).& ; & 0)& c'& &.)& (VSO & & &.)& $E& &'SO & decommissioning plan at the end of the lease term • 0007, 0008 where water is available, the remaining acreage of the sites will continue to be farmed 5. State why the decommissioning dollar amount is the same for all three. • The decommissioning dollar amount should be slightly reduced for 0006 as it is a slightly smaller system size. Modified decommissioning plan has been attached for PS 35. 6. Which power lines are you inter -connecting with? a 0007, 0008 — existing lines on West side of CR35 0006 — existing lines on East side of CR33 7. Are the seed mixtures approved by the NRCS? • NRCS has a lot of guidance on pollinator seed mixes and best practices. Our mixes will generally align with their guidance, and if required we can do a formal submittal process with NRCS. One that we often use is described as follows: The Fuzz & Buzz Mix -Standard was developed to address the unique nutritional needs of sheep, while providing a low -growing, easily maintained and sustainable vegetation solution for solar installations. The plant species were chosen with guidance from the American Solar Grazing Association (ASGA). The wildflowers in this mix support pollinators. Mix formulations are subject to change without notice depending on the availability of existing and new products. While the formula may change, the guiding philosophy and function of the mix will not. 8. Any phasing of the construction? • No — each of these is one single site and will be built in a single phase. 9. What are the specs of a deer fence and is it the same as a game -friendly fence? • Deer fence specs are shown on USR plansets and are the same as a game friendly fence. 8' tall with cedar posts and thin wire mesh. Molly: USR23-0007 PS33 1. Include map layout showing the panels a. Included in resubmittal planset. 2. Verify the number of solar panels, as it is not stated in the application. a. The drainage narrative states 12MW facility with 25,000 solar panels. The questionnaire states 5MW facility. Which is correct? Are there going to be 25,000 solar panels onsite? It will be a 5MW facility. We expect there to be between 11,000-11,500 panels. The drainage narrative has been updated. 3. Is there water on site for irrigation? What are you using the water tank for? a. Clarify the meaning behind the following map note "IRRIGATION WILL LARGELY BE DEPENDENT UPON DRY LAND IRRIGATION; HOWEVER, THE PROJECT IS RESERVING THE POSSIBILITY OF USING A WATER TANK IN THE EVENT OF N EED. WATER TANK WATERING WILL PROVE DIFFICULT AS IT MAY ONLY BE U SED ON OUTSIDE PERIPHERY OF THE PROPERTY OR DESIGNATED EMERGENCY ROAD TO AVOID DAMAGING SEED BEDS." P . There is both well and district water onsite. Both would be more accessible than providing a tank. The note is meant to provide optionality in the event a take makes more sense, commercially speaking. 4. Provide information about the map note regarding a prairie dog colony. Are you removing the prairie dogs? If so, how? State what is happening with the prairie dogs. a. This was a hold over note from a past project. The note has been removed. There is not a prairie dog colony on site. 5. Confirm the USR boundaries — Draft plat shows overlapping with the ZPSF — Are the two being combined? n The USR is located on an adjacent parcel and not contiguous with the ZPSF. Any draft plat showing them contiguous was an error and has since been resolved. 6. Confirm where the oil and gas facilities are. They are shown in different locations (first and third page). Which is correct? a. Page 1 (Cover sheet) does not reference locations of O&G facilities. Page 3 (Site Plan) is the accurate display of the location of O&G wells. 7. Include setbacks from oil and gas wells, being 50 ft. a. Submit an email from Oil and Gas agency that they accept the 50 foot setbacks. D Maxwell Nader mnader©weldgov.com? to Jason Tom, me, Eli, Michael, Kim, Julia, Lucas, Jonathan, Rick, Orielle - Kyle and others, Mon, Apr 25, 2022, 7:18AM • After further discussion Weld County staff will not enforrte setbacks related to solar infrastructure and oil and gas infrastructure. An agreement between the properly owner/oil and gas entity/solar entity may or may not be needed depending on the parties involved. In other words the County is not involved in what will be a third party agreement. Let me know if you have further questions on this. Best, Maxwell Nader Planner II 1555 N 17th Ave Greeley, CO 80631 mnader@weldgov.com Phone: (970)-400-3527 b. Based on the above information from Weld County, Pivot has respected commercially reasonable setbacks given our distinction as a "utility" but does not intend to get a formal "approval" from the O&G companies. There are 25ft setbacks illustrated on the USR plansets. 8. Confirm access road in CDOT ROW — Is there an easement agreement, or CDOT sign off in some form (if so, please provide). a. The access road is outside of CDOT right of way, therefore, not under the jurisdiction of CDOT. Additionally, access permits through Weld County (0007, 0008) & City of Evans (0006) have been procured. Chris: USR23-0008 (PS36) 1. Include map layout showing the panels • Included in resubmittal planset. 2. Verify acreage and number of panels • Included in resubmittal planset. 3. Include setbacks from oil and gas wells, being 50 ft. • Same response as above (7.b) 4. Submit email from Oil and Gas agency that they accept the 50 foot setbacks • Same response as above (7.b) Please note that additional questions may arise when we received the responses on the above inquiries. Weld County Referral January 24, 2023 Submit by Email The Weld County Department of Planning Services has received the following item for review: Applicant: Jerry Loeffler, c/o Pivot Solar 36, LLC Case Number USR23-0008 Please Reply By: February 21, 2023 Planner Chris Gathman Project: A Site -Specific Development Plan and Use by Special Review Permit outside of subdivisions and historic townsites for a Solar Energy Facility (SEF) in the A (Agricultural) Zone District. Parcel Number: 105701000041-R4376086 Legal: W2NW4, North of the Lower Latham Drainage Ditch, being part of Section 1, T4N, R66W of the 6th P.M., Weld County, Colorado. Location: South of and adjacent to CR 50; east of and adjacent to CR 35. The application is submitted to you for review and recommendation. Any comments or recommendation you consider relevant to this request would be appreciated. Please reply by the above listed date so that we may give full consideration to your recommendation. Any response not received before or on this date may be deemed to be a positive response to the Department of Planning Services. If you have any further questions regarding the application, please call the Planner associated with the request. Please note that new information may be added to applications under review during the review process. If you desire to examine or obtain this additional information, please call the Department of Planning Services. We have reviewed the request and find that it does / does not comply with our Comprehensive Plan because: We have reviewed the request and find no conflicts with our interests. See attached letter. IT Signature Meghan Oren Date 2/2/2023 Agency City of Greeley Pivot notes that there are no conflicts with the City of Greeley. Weld County Planning Dept. 1555 N. 17th Ave, Greeley, CO 80631 (970)-400-6100 (970)-304-6498 fax Weld County Referral January 24, 2023 Submit by Email The Weld County Department of Planning Services has received the following item for review: Applicant: Jerry Loeffler, c/o Pivot Solar 36, LLC Case Number: USR23-0008 Please Reply By: February 21, 2023 Planner: Chris Gathman Project: A Site -Specific Development Plan and Use by Special Review Permit outside of subdivisions and historic townsites for a Solar Energy Facility (SEF) in the A (Agricultural) Zone District. Parcel Number: 105701000041-R4376086 Legal: W2NW4, North of the Lower Latham Drainage Ditch, being part of Section 1, T4N, R66W of the 6th P.M., Weld County, Colorado. Location: South of and adjacent to CR 50; east of and adjacent to CR 35. The application is submitted to you for review and recommendation. Any comments or recommendation you consider relevant to this request would be appreciated. Please reply by the above listed date so that we may give full consideration to your recommendation. Any response not received before or on this date may be deemed to be a positive response to the Department of Planning Services. If you have any further questions regarding the application, please call the Planner associated with the request. Please note that new information may be added to applications under review during the review process. If you desire to examine or obtain this additional information, please call the Department of Planning Services. We have reviewed the request and find that it does / does not comply with our Comprehensive Plan because: We have reviewed the request and find no conflicts with our interests. See attached letter. Signature Cynthia Villanueva Date 01/24/2023 Agency Code Compliance Acknowledged. Pivot notes that there are no conflicts with the Code Compliance Department. Weld County Planning Dept. 1555 N. 17th Ave, Greeley, CO 80631 (970)-400-6100 (970)-304-6498 fax Weld County Department of Public Health and Environment Memorandum To: Chris Gathman From: Lauren Light, Environmental Health Services Date: January 27, 2023 Re: USR23-0008 Applicant: Jerry Loeffler, c/o Pivot Solar 35, LLC Environmental Health Services has reviewed this Site -Specific Development Plan and Use by Special Review Permit for a Solar Energy Facility outside of subdivisions and historic townsites in the A (Agricultural) Zone District. As no employees will be located at the site, permanent water and sewer is not required. Screened portable toilets, hand washing units and bottled water can be utilized during construction. A dust mitigation plan was submitted and shall be adhered to. We recommend the following requirements are incorporated into the permit as development standards: 1 During construction, all liquid and solid wastes (as defined in the Solid Wastes Disposal Sites and Facilities Act, 30-20-100.5, C.R.S.) shall be stored and removed for final disposal in a manner that protects against surface and groundwater contamination. Acknowledged. All liquid and solid wastes will be removed for final disposal. 2. During construction, no permanent disposal of wastes shall be permitted at this site. This is not meant to include those wastes specifically excluded from the definition of a solid waste in the Solid Wastes Disposal Sites and Facilities Act, 30-20-100.5, C.R.S. Acknowledged. 3. During construction, waste materials shall be handled, stored, and disposed in a manner that controls fugitive dust, fugitive particulate emissions, blowing debris, and other potential nuisance conditions. The facility shall operate in accordance with Chapter 14, Article 1 of the Weld County Code. Acknowledged. 4. Fugitive dust and fugitive particulate emissions shall be controlled throughout the duration of construction of the facility. Acknowledged. 1555 N. 17th Avenue Greeley, CO 80631 Phone: (970) 304-6410 weld health.org Public Health PHAB • \a, Weld County Department of Public Health and Environment 5. During construction, adequate toilet facilities and handwashing units shall be provided. Portable toilets shall be serviced by a cleaner licensed in Weld County, contain hand sanitizers, be screened from public view, and removed when construction is completed. Acknowledged. 6. The operation shall comply with all applicable rules and regulations of State and Federal agencies and the Weld County Code. Acknowledged. 1555 N. 17th Avenue Greeley, CO 80631 Phone: (970) 304-6410 weld health.org Public Health PHAB From: Kurtis Cunningham To: Chris Gathman Cc: Angela Snyder Subject: FW: Referral Agency Email Date: Thursday, January 26, 2023 8:19:54 AM Attachments: image001.png image002.png image003.png image004.png image005.png image006.png Caution: This email originated from outside of Weld County Government. Do not click links or open attachments unless you recognize the sender and know the content is safe. Chris, This parcel is also located outside of our urban growth area. The Evans Master Plan (2020) has the growth area extending to WCR394 & WCR35 and this parcel is located to the Southeast of this intersection. Very Respectfully, Pivot notes that this site is outside the Evans urban growth area and therefore there are no conflicts. Kurtis K. Cunningham Management Analyst Phone 970-475-2290 Cell 970-804-0217 1100 37th Street, Evans, CO 80620-2036 .411. " I' Etans. (tdovatbo 1 www.evanscolorado.govCni r2 From: Angela Snyder <asnyder@evanscolorado.gov> Sent: Tuesday, January 24, 2023 11:15 AM To: Kurtis Cunningham <kcunningham@evanscolorado.gov> Subject: FW: Referral Agency Email #2 Angela Snyder, CFM Senior Planner City of Evans Community Development 1100 37th Street, Evans, Co 80630 o 970-475-1167 / c 970-775-3296 www.evanscolorado.gov Evans, ('olorado From: noreply@weldgov.com <noreply@weldgov.com> Sent: Tuesday, January 24, 2023 11:11 AM To: Angela Snyder <asnyder@evanscolorado.gov> Subject: Referral Agency Email CAUTION: EXTERNAL EMAIL The Weld County Planning Department has received a Planning Use By Special Review application, case # USR23-0008, in which your agency may have an interest. Planning staff requests you review the application materials, and return the Referral Form to Chris Gathman by the date specified on the Referral Form attached in the online permitting center. To view application materials, visit https://accela-aca.co.weld.co.us/CitizenAccess/Default.aspx or navigate to weldgov.com > departments > planning and zoning > online e -permitting. Then, * Click on "Planning" tab on the menu bar * Under General Search, type case# USR23-0008, into the Record Number box and search * Click on the "Record Info" arrow drop -down menu * Click on "Attachments" to review the application materials If you have any questions, please contact your assigned planner: Chris Gathman at 970-400-6100 Thank you, Chris Gathman 1555 N 17th Ave Greeley, CO 80631 970-400-6100 cgathman@weldgov.com PROJECT: MEMORANDUM TO: Chris Gathman FROM: Diana Aungst SUBJECT: USR23-0008, Jerry L Loeffler DATE: February 23, 2023 A Site -Specific Development Plan and Use by Special Review Permit outside of subdivisions and historic townsites for a Solar Energy Facility (SEF) in the A (Agricultural) Zone District PARCEL: 105701000041 DELINEATE ON THE PLAT: 1. Show the floodplain and floodway (if applicable) boundaries on the map. Label the floodplain boundaries with the FEMA Flood Zone and FEMA Map Panel Number or appropriate study. (Department of Planning Services - Floodplain) Acknowledged. Please see updated site plan. PRIOR TO CONSTRUCTION: 1. If there is any disturbance/construction in the floodplain a Floodplain Development Permit is required. (Department of Planning Services - Floodplain) DEVELOPMENT STANDARDS: Acknowledged. 1. A Flood Hazard Development Permit is required for all construction or development occurring in the floodplain or floodway as delineated on Federal Emergency Management Agency (FEMA) FIRM Community Panel Maps #08123C -1726F and 1730F issue date September 17, 2020 (South Platte River Floodplain). Any development shall comply with all applicable Weld County requirements, Colorado Water Conservation Board requirements as described in Rules and Regulations for Regulatory Floodplains in Colorado, and FEMA regulations and requirements as described in 44 CFR parts 59, 60, and 65. The FEMA definition of development is any man-made change to improved or unimproved real estate, including but not limited to buildings or other structures, mining, dredging, filling, grading, paving, excavation, drilling operations, or storage of equipment and materials. (Department of Planning Services - Floodplain) 2. FEMA's floodplain boundaries may be updated at any time by FEMA. Prior to the start of any development activities, the owner should contact Weld County to determine if the floodplain boundaries have been modified. (Department of Planning Services - Floodplain) Acknowledged. Pivot notes a FEMA floodplain permit is required to build on this site. Floodplain permit is in process and will be submitted for review. FS VD CERTIFICATION NOTifiCATION OF MINERAL INTEREST OWNERS LESSEE. _ The undersigned Applicant certifies compliance with the provisions of C. .S. § 24a65.5- 1030),and in support thereof, states and certifies as follows: 1. That Applicant hasprovided notice, (a copy of which is attached hereto as Exhibit "A"), containing the time and place of the initial public hearing on its application for Case Number USR23-0008, 3-0008, the nature of the initial public hearing, the legal des ri �tion by section, township and range of the property which is the subject of the p init al public hearing, and the name of the applicant; 2. That said notice was provided thirty (30) days prior to the scheduled pu1.lic hearing, that it was provided by certified mail, return receipt requested, or by a nationally recognized overnight coder; 3. That said Exhibit A includes the list of the names and addresses of the sur ace owners, mineral estate owners and lessees of mineral interests to whom the notice isrvak, sent, including those persons who have requested receipt of such notices, pursuant to C4. . § 2445.5403(3). APPLICANT: Julia Friedman, Pivot Energy T TE OF COLORADO L TY OF DENVER ER by . L Subscribed and sworn to before me this \r" day of LAUREN GELMETTI Notary Public State of Colorado Notary ID # 20224016500 My Commission Expires 04-26-2026 Note: This Ce ca on must be received by the Weld County Department of Planning Sqvices prior to or at the initial public hearing, if the Certification is not received by that tine, the hearing will be rescheduled to a later date, and Applicant must re -notify all owners of mineral interests. rn co geR 1-9 i i N tai b] C d ci Q ru nes a N U.S. Postal ServiceTM CERTIFIED MAIL° RECEIPT Domestic Mail Only For delivery information, visit our website at www.usps.corrr`a'. <7 Certified Mall Fee Extra Services & Fees (check box, add fee IF ppbriFir O Return Receipt (hardcopy) $ L u• I --)(Return Receipt (electronic) • Certified mall Restricted Delivery $ g;j n lie Adult Signature Required $ 0 Adult Signature Restricted Delivery $ Postage $ Total Postage and Fees S7 n12 2 O a 0057 �--- P{J:,trw3r1t Here vi en a e and A P+f o,rPOBseeroxIVJ int big &ta to, ZiPt4 i a co sF, r1 -e 5(3 • PS Form 3800, April 20.15 P$N 7530-02- 000-9O47 See Reverse for Instructions U.S. Postal Service' CERTIFIED ° MAI LRECEIPT Domestic Mail Only For delivery information, visit our website at Www. 1.1 i V e r CC: ._ asps. com . Certified Mall Fee $4 r.‘ 4, Extra Services & Fees (check box, add fee a 0, eturn Receipt (hardenpyy $ '04 61 .y. a i eturn Receipt (eiectrmnic) .e O i Certified Mail Restricted Delivery S O Adult Signature Required S• OAdult Signature Restricted Deliven/ $ ' - • Postage sa $0.87 Total Postage and Fees � S2% �. '� a Se -it `0 tic .frai Stare, O 4- r p. V 1057 /4,R Poostrna( l 2Gan co f -- _________________ _n _______ _car-s-s_______________________ r er 4O O PS Form 3800, April 2015 PSIS 7530-02-000-9047 a a Nr_____ _- See Reverse for Instructions DATE: March 1, 2023 Notice of Public Hearing — (Pivot Solar 36 LLC; USR23-0008) Noble Energy, Inc. 2001 16th Street, Suite 900 Denver, CO 80202 P ursuant to the applicable ordinances of Weld County, Colorado, and the applicable statutes of the State of Colorado, notice is hereby given to you, as a Mineral Estate Owner (as such is defined in CRS X24-65.5-102) under the lands described on Exhibit A, that the Weld County Planning Commission and the Weld County Board of County Commissioners will consider the application for a 5MWac solar array. The hearing of the Weld County Planning Commission is scheduled to take place on May 2, 2023, at 1:30. The meeting will be in the Hearing Room, located at the Weld County Administration Building at 1150 O Street, Greeley, Colorado. The hearing of the Weld County Board of County Commissioners is scheduled to take place on May 17, 2023, at 10:00 AM. The meeting will be in the Hearing Room, located at the Weld County Administration Building at 1150 O Street, Greeley, Colorado. P ivot Energy is the applicant. Please address any questions to the undersigned at 1750 15th Street, Suite 400, Denver, CO 80202. S incerely, Kyle Sundman Director, Project Development KSundman©pivotenergy.net 719-233-4322 cc: Weld County Department of Planning Services TREN LAND SERVICES OIL AND GAS TITLE P.O. Box 336337 Phone (970) 351-0733 Greeley, CO 80633 Fax (970) 351-0867 LIST OF MINERAL OWNERS AND MINERAL LESSEES for NOTIFICATION (Jerry L. Loeffler Property) Subject Property: Township 4 North, Range 66 West of the 6th P.M. Section 1: All that part of the W 2NWX, lying North of the seepage ditch of the Lower Latham Ditch Company Zeren Land Services, an oil and gas title research company, states that to the best of its knowledge the following is a true and accurate list of the names and addresses of the mineral owners and mineral leasehold owners entitled to notice under the Surface Development Notification Act, Colorado Revised Statutes §24-65.5-101, et seq. in the Subject Property based upon the records of the Weld County Assessor and Clerk Recorder as of June 13, 2022 at 7:45 a.m.: Mineral Owners: Mineral Leasehold Owners: None (entitled to notice) Dated this 17tht" day of June, 2022. PDC Energy, Inc. fka SRC Energy, Inc. 1775 Sherman Street, Suite 3000 Denver, CO 80203 Noble Energy, Inc. 2001 16th Street, Suite 900 Denver, CO 80202 ZERFaS! LAND SERVICES 41 Milf-R Bye ,Cynthia A. E. Zeren,�. L Certified Professional Landman #4044 Page 1 of 2 At the request of Pivot Energy ("Client"), Zeren Land Services, an independent land consulting firm, has prepared the foregoing list of mineral estate owners entitled to notice under the Surface Development Notification Act, Colorado Revised Statutes §24-65.5-101, et seq. Zeren Land Services, searched (I) the records of the Weld County Assessor relating to the Subject Property for persons identified therein as mineral estate owners, and (ii) the records of the Weld County Clerk and Recorder relating to the Subject Property for recorded requests for notification in the form specified in the Surface Development Notification Act. The results of these searches are set forth above in this List of Mineral Owners Entitled to Notice. At the date of the search, the records of the Assessor and the Clerk and Recorder were posted through June 13, 2022 at 7:45 A.M. Zeren Land Services, agreed to prepare this listing for the Client only if the Client agreed that the liability of Zeren Land Services, would be strictly limited to the amount paid by the Client for such services. Zeren Land Services, makes no warranty, express, implied or statutory, in connection with the accuracy, completeness or sufficiency of such listing of mineral estate owners. In the event the listing proves to be inaccurate, incomplete, insufficient or otherwise defective in any way whatsoever or for any reason whatsoever, the liability of Zeren Land Services, shall never exceed the actual amount paid by Client to Zeren Land Services, for the listing. In order to induce Zeren Land Services, to provide such services, Client further agreed to indemnify and hold Zeren Land Services, its managers, members and employees, harmless from and against all claims by all persons (including, but not limited to Client) of whatever kind or character arising out of the preparation and use of each such listing of mineral estate owners, to the extent that such claims exceed the actual amount paid to Client by Zeren Land Services, for such listing. Client specifically intends that both the foregoing limitation on liability and foregoing indemnification shall be binding and effective without regard to the cause of the claim, inaccuracy or defect, including, but not limited to, breach of representation, warranty or duty, any theory of tort or of breach of contract, or the fault or negligence of any party (including Zeren Land Services) of any kind or character (regardless of whether the fault or negligence is sole, joint, concurrent, simple or gross). Client's use of this listing evidences Client's acceptance of, and agreement with, this limitation on liability and the indemnification. ZEREN LAND SERVICES Date: June 17, 2022 By: Cynthia' E. Zeren, as Preside Page 2 of 2 14n66w JURW#45 2H4123 OH! 1-48 EL 2-18 PR A -PM ta. 2-1 • Loeffler 1 AL • Loeffler 31.1 HN PRLoeffler k 01-85H! R LoefflerKO1.67a HNPR Loeffler lot 01 -68 - PR • Loeffler:a! PA 18 • FREEDA REEVE 4.1 AL LOEFFLER 18-1 laIN NN 4 GEMINI K 1-12 • Si PA • REEVE, F PA FREEDA REEVE 3-1 SI S GEMINI K 1-11 4N66 'V AL • LA►SALLE 1 PA • REEVE, FREDA 1-1 PA e UNION ACIF PA PA 4 GEMINI K1 -R GEMINI K 1-10 PR SIG so IN E IN GEMINI K FEDERAL 1-18GEIrr11Nl K FEDERAL 1-18 PA 4 TA TA • I ICCARTHY FE PA • GEMiNI K 1-14 ,• GEMINI K 1-13 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW (USR) CASE NUMBER: LOCATED IN SECTION 36, TOWNSHIP 5 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (NORTH PARCEL) SECTION 01, TOWNSHIP 4 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (SOUTH PARCEL) CASE NUMBER: NOTES A LAYOUT OF THE SOLAR FACILITY IS NOT YE I CONCEPTLALIIED. FMAL LOCATIONS FOR EOLIIPIA N AND ALL OTHER FACILITY COMPONENTS WY BE ANYWHERE WITHIN THE SOLAR SITINGENYELOPE HATCHED ON THESE PLANS 2 TREES WERE NOT OBSERVED WITHIN TH£ MAJORITY OF PROPOSED SOLAR ARRAY AREAS IF NECESSARY TREES AND SHRUGS ARE TO BE REMOVED TO ALLOW FOR THE INSTALLATION OF THE ARRAYS AND TO ELWMMATE SW►DING 3. ENERTIA CONSLA TING GROUP. LLC ASSUMES NO RESPONSIBILITY FOR UTILITY LOCATIONS. ANY UTILITIES SHOWN ON T HIS DRAWING HAVE BEEN LOCATED BASED ON THE ALTA SURVEY IT IS THE CONTRACTORS RESPONSIBILITY TO FIELD VERIFY THE LOCATION Of ALL UTILITIES PRIOR TO MOBILIZATION. 4. AN B FT GAME FENCE WILL BE INSTALLED TO SURROUND THE SOLAR ARRAYS GATES WILL BE PROVIDED FOR ACCESS LEGEND rigIII CA; r A 50 PROJECT BOUNDARY OIL WELL SETBACK EXISTING STRUCTURES EXISTING GRAVEL ACCESS ROAD (ZPSF) PROPOSED GRAVEL ACCESS ROAD (USR) OMITS OF USR (27.47 ACRES) en TALL GAME FENCE SCALE 1'-100' 1O0 2 re U 2 8 4 J Eth • O Y W' 0 J IBM 8 h W w 61 h 4.1 1750 15TH ST SUITE 400 z O � 3 CC LLJ UJ EU Ct cn CC U W C7lJi. d ww>-a zOm:L L11 W c./) o 0 z 5 O -J r OM MIID urim N•OeIUII ION THREE'S) BUSINESS DAYS SEPORE YOU DID CALL Ml r ..>• .y u TUTT Ip?I/CA1 CM41fl Or MONOO Meg •aa._y;_ �t VERIFY SALE BAR IS ONE INCH Oh ORIGINAL ORAWnIC 0 - SCALE DATE JULY 6. 2O22 FILE OVVG SHEET 3OF5 DATE: March 1, 2023 Notice of Public Hearing — (Pivot Solar 36 LLC; USR23-0008) P DC Energy, Inc. fka SRC Energy, Inc. 1775 Sherman Street, Suite 3000 Denver, CO 80203 P ursuant to the applicable ordinances of Weld County, Colorado, and the applicable statutes of the State of Colorado, notice is hereby given to you, as a Mineral Estate Owner (as such is defined in CRS X24-65.5-102) under the lands described on Exhibit A, that the Weld County Planning Commission and the Weld County Board of County Commissioners will consider the application for a 5MWac solar array. The hearing of the Weld County Planning Commission is scheduled to take place on May 2, 2023, at 1:30. The meeting will be in the Hearing Room, located at the Weld County Administration Building at 1150 O Street, Greeley, Colorado. The hearing of the Weld County Board of County Commissioners is scheduled to take place on May 17, 2023, at 10:00 AM. The meeting will be in the Hearing Room, located at the Weld County Administration Building at 1150 O Street, Greeley, Colorado. P ivot Energy is the applicant. Please address any questions to the undersigned at 1750 15th Street, Suite 400, Denver, CO 80202. S incerely, Kyle Sundman Director, Project Development KSundman@pivotenergy.net 719-233-4322 cc: Weld County Department of Planning Services TREN LAND SERVICES OIL AND GAS TITLE P.O. Box 336337 Phone (970) 351-0733 Greeley, CO 80633 Fax (970) 351-0867 LIST OF MINERAL OWNERS AND MINERAL LESSEES for NOTIFICATION (Jerry L. Loeffler Property) Subject Property: Township 4 North, Range 66 West of the 6th P.M. Section 1: All that part of the W 2NWX, lying North of the seepage ditch of the Lower Latham Ditch Company Zeren Land Services, an oil and gas title research company, states that to the best of its knowledge the following is a true and accurate list of the names and addresses of the mineral owners and mineral leasehold owners entitled to notice under the Surface Development Notification Act, Colorado Revised Statutes §24-65.5-101, et seq. in the Subject Property based upon the records of the Weld County Assessor and Clerk Recorder as of June 13, 2022 at 7:45 a.m.: Mineral Owners: Mineral Leasehold Owners: None (entitled to notice) Dated this 17tht" day of June, 2022. PDC Energy, Inc. fka SRC Energy, Inc. 1775 Sherman Street, Suite 3000 Denver, CO 80203 Noble Energy, Inc. 2001 16th Street, Suite 900 Denver, CO 80202 ZERFaS! LAND SERVICES 41 Milf-R Bye ,Cynthia A. E. Zeren,�. L Certified Professional Landman #4044 Page 1 of 2 At the request of Pivot Energy ("Client"), Zeren Land Services, an independent land consulting firm, has prepared the foregoing list of mineral estate owners entitled to notice under the Surface Development Notification Act, Colorado Revised Statutes §24-65.5-101, et seq. Zeren Land Services, searched (I) the records of the Weld County Assessor relating to the Subject Property for persons identified therein as mineral estate owners, and (ii) the records of the Weld County Clerk and Recorder relating to the Subject Property for recorded requests for notification in the form specified in the Surface Development Notification Act. The results of these searches are set forth above in this List of Mineral Owners Entitled to Notice. At the date of the search, the records of the Assessor and the Clerk and Recorder were posted through June 13, 2022 at 7:45 A.M. Zeren Land Services, agreed to prepare this listing for the Client only if the Client agreed that the liability of Zeren Land Services, would be strictly limited to the amount paid by the Client for such services. Zeren Land Services, makes no warranty, express, implied or statutory, in connection with the accuracy, completeness or sufficiency of such listing of mineral estate owners. In the event the listing proves to be inaccurate, incomplete, insufficient or otherwise defective in any way whatsoever or for any reason whatsoever, the liability of Zeren Land Services, shall never exceed the actual amount paid by Client to Zeren Land Services, for the listing. In order to induce Zeren Land Services, to provide such services, Client further agreed to indemnify and hold Zeren Land Services, its managers, members and employees, harmless from and against all claims by all persons (including, but not limited to Client) of whatever kind or character arising out of the preparation and use of each such listing of mineral estate owners, to the extent that such claims exceed the actual amount paid to Client by Zeren Land Services, for such listing. Client specifically intends that both the foregoing limitation on liability and foregoing indemnification shall be binding and effective without regard to the cause of the claim, inaccuracy or defect, including, but not limited to, breach of representation, warranty or duty, any theory of tort or of breach of contract, or the fault or negligence of any party (including Zeren Land Services) of any kind or character (regardless of whether the fault or negligence is sole, joint, concurrent, simple or gross). Client's use of this listing evidences Client's acceptance of, and agreement with, this limitation on liability and the indemnification. ZEREN LAND SERVICES Date: June 17, 2022 By: Cynthia' E. Zeren, as Preside Page 2 of 2 14n66w JURW#45 2H4123 OH! 1-48 EL 2-18 PR A -PM ta. 2-1 • Loeffler 1 AL • Loeffler 31.1 HN PRLoeffler k 01-85H! R LoefflerKO1.67a HNPR Loeffler lot 01 -68 - PR • Loeffler:a! PA 18 • FREEDA REEVE 4.1 AL LOEFFLER 18-1 laIN NN 4 GEMINI K 1-12 • Si PA • REEVE, F PA FREEDA REEVE 3-1 SI S GEMINI K 1-11 4N66 'V AL • LA►SALLE 1 PA • REEVE, FREDA 1-1 PA e UNION ACIF PA PA 4 GEMINI K1 -R GEMINI K 1-10 PR SIG so IN E IN GEMINI K FEDERAL 1-18GEIrr11Nl K FEDERAL 1-18 PA 4 TA TA • I ICCARTHY FE PA • GEMiNI K 1-14 ,• GEMINI K 1-13 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW (USR) CASE NUMBER: CASE NUMBER LOCATED IN SECTION 36, TOWNSHIP 5 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (NORTH PARCEL) SECTION 01, TOWNSHIP 4 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (SOUTH PARCEL) MIRY L LOEFFLER PARaEL C. COSlJI81CMr JERRY U LOEFFLER Roca ma IG57V1Noat NOTES . A LAYOUT OF THE SOLAR FACILITY TS NOT YET CONCEPTUALIZED FINAL LOCATIONS FOR EQUIPMENT AND ALL OTHER FACII IN COMPONENTS MAY BE ANYWHERE WITHIN THE SOLAR SITING ENVELOPE HATCHED ON THESE PLANS 2 TREES WERE NOT OBSERVED WITHIN Tr¢ MAJORITY of PROPOSED SOLAR ARRAY AREAS IF NECESSARY TREES AND SHRUBS ARE TO BE REMOVED TO ALLOW FOR THE INSTALLATION Of THE ARRAYS AND TO EMU*TE SWUDING 3 EPERTIA CONSULTING GROUP Lit ASSURES NO RESPONSIBILITY FOR UTILITY LOCATIONS ANY UTILITIES SHOWN ON THIS DRAWING HAVE BEEN LOCATED BASED ON THE AL TA SURVEY. IT IS THE CONTRACTORS RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES PRIOR TO MOBILIZATION. 4 AN 8 F1 GAME FENCE WILL BE INSTALLED TO SURROUND THE SOLAR ARRAYS. GATES WILL BE PROVIDED FOR ACCESS LEGEND IL A -o- PROJECT BOUNDARY OIL. WELL SETBACK EXISTING STRUCTURES EXISTING GRAVEL ACCESS ROAD (ZPSF) PROPOSED GRAVEL ACCESS ROAD LLJSRI N s Q LIMITS OF USR (27.47 ACRES) 8FT TALL GAME FENCE T SO OD Jul SCALE: t --top' z O In w cc w a N z a S vW W °-`S 44 Fa 1750 15TH ST SLATE 400 B i 1 OM RAMO UTttTY IMOMMUTIOR THREE 13) SLIMNESS OATS WORE YOU On CALL Itt UTILITY ICTIFEATDM CROUP COUDIADO Mai VI S...AI El !TAR 15 :,4E IM.•. ON DR COSH. ORAWIh:G U - SCA:L DATE JULY 6, 2022 FILE DWG SHEET 3 OF 5 Weld County Referral January 24, 2023 Submit by Email The Weld County Department of Planning Services has received the following item for review: Applicant: Jerry Loeffler, c/o Pivot Solar 36, LLC Case Number USR23-0008 Please Reply By: February 21, 2023 Planner Chris Gathman Project: A Site -Specific Development Plan and Use by Special Review Permit outside of subdivisions and historic townsites for a Solar Energy Facility (SEF) in the A (Agricultural) Zone District. Parcel Number: 105701000041-R4376086 Legal: W2NW4, North of the Lower Latham Drainage Ditch, being part of Section 1, T4N, R66W of the 6th P.M., Weld County, Colorado. Location: South of and adjacent to CR 50; east of and adjacent to CR 35. The application is submitted to you for review and recommendation. Any comments or recommendation you consider relevant to this request would be appreciated. Please reply by the above listed date so that we may give full consideration to your recommendation. Any response not received before or on this date may be deemed to be a positive response to the Department of Planning Services. If you have any further questions regarding the application, please call the Planner associated with the request. Please note that new information may be added to applications under review during the review process. If you desire to examine or obtain this additional information, please call the Department of Planning Services. We have reviewed the request and find that it does / does not comply with our Comprehensive Plan because: We have reviewed the request and find no conflicts with our interests. See attached letter. Signature 4,971/4 a Agency Weld County Oil and Gas Energy Department Date 1/25/2023 Acknowledged. Pivot notes that there are no conflicts with the Weld County Oil and Gas Energy Department. Weld County Planning Dept. 1555 N. 17th Ave, Greeley, CO 80631 (970)-400-6100 (970)-304-6498 fax Weld County Oil & Gas Energy Department Referral Comments Referring Agency: Weld County Department of Planning Services Reference Number: USR23-0008 Associated Parcel: 105701000041 OGED Reviewer: Kelly Holliday Review Date: January 25, 2023 The Staff of the Weld County Oil and Gas Energy Department (OGED) appreciates the opportunity to comment on the captioned planning case. Staff has completed review of the proposal and have no conflicts with the proposed activity. We have included additional comments below: 1. There are no active or proposed 1041 WOGLA Permits on the associated parcel. There are several oil and gas well sites in the area surrounding the parcel. 2. The parcel includes seven (7) active oil and gas wells, listed in Table 1 below. OGED requests that the Applicant coordinate operations in proximity to existing wells and production facilities with the operator(s) of these wells. API Operator Well Title Well Status 05-123-11673 KP KAUFFMAN COMPANY INC 1-18 Loeffler PR 05-123-11888 KP KAUFFMAN COMPANY INC 2-24 Loeffler PR 05-123-35834 PDC ENERGY INC 01-66-1HN Loeffler K PR 05-123-35835 PDC ENERGY INC 01-67-1HN Loeffler K PR 05-123-35836 PDC ENERGY INC 01-68-1HN Loeffler K PR 05-123-37735 PDC ENERGY INC 01-69-1HN Loeffler K PR 05-123-37739 PDC ENERGY INC 01-65HN Loeffler K PR 3. The USR lands may include additional oil and gas related infrastructure, such as off -location flowlines or pipeline which are a use by right and not regulated by Weld County. OGED requests that the applicant reviews flowline data available from the COGCC map viewer and utilize Colorado 811 prior to any excavation activities. These comments and recommendations are based upon the review of the application materials submitted by the applicant and other relevant information available on the E -Permit site. MEMORANDUM TO: Chris Gathman, Planning Services FROM: Melissa J King, PE, Development Review DATE: January 27, 2023 SUBJECT: USR23-0008 SEF Loeffler The proposal has been reviewed on behalf of the Weld County Department of Public Works and the Department of Planning and Zoning. Staff comments made during this phase of the application process may not be all-inclusive, as other issues may arise during the remaining application process. COMMENTS GENERAL PROJECT INFORMATION/LOCATION Project description: A Site -Specific Development Plan and Use by Special Review Permit for a Solar Energy Facility (SEF) outside of subdivisions and historic townsites in the A (Agricultural) Zone District. This project is south of CR 394 and is east of and adjacent to CR 35. Parcel number: 105701000041. Access is onto CR 35 (AP22-00272 — Commercial.). ACCESS Development Review has reviewed the application materials related to access. The applicant has proposed to use an existing permitted access point onto CR 35 (i.e. AP22-00272). No other access point is requested. Per Sec. 8-14-30, an Access Permit is required for access to Weld County maintained roadways. We strongly encourage you to discuss your access location with Development Review prior to laying out your site plan. All "preliminarily approved" accesses are subject to change during the access permitting process. Per Sec. 24-8-40, when feasible, there shall be no net increase in the number of accesses to a public road. Minimum access spacing widths are shown in Weld County Code Sec. 8-14-30. Please refer to Chapter 8 of the Weld County Code for more information regarding access. Acknowledged. Pivot will work with Access Permit Department. ROADS AND RIGHTS -OF -WAY CR 35 is a paved road and is designated on the Weld County Functional Classification Map (Code Ordinance 2017-01) as an arterial road, which requires 140 feet of right-of-way. The applicant shall delineate and label on the site map the future and existing right-of-way (along with the documents creating the existing right-of-way) and the physical location of the road. If the right-of-way cannot be verified it shall be dedicated. Pursuant to the definition of setback in the Weld County Code, Sec. 23-1- 90, the required setback is measured from the future right-of-way line. Be aware that physical roadways may not be centered in the right-of-way. This road is maintained by Weld County. Acknowledged. Please see updated site plan. CR 394 is a paved road and is designated on the Weld County Functional Classification Map (Code Ordinance 2017-01) as a collector road, which requires 80 feet of right-of-way. The applicant shall delineate and label on the site map the future and existing right-of-way (along with the documents creating the existing right-of-way) and the physical location of the road. If the right-of-way cannot be verified it shall be dedicated. Pursuant to the definition of setback in the Weld County Code, Sec. 23-1- 90, the required setback is measured from the future right-of-way line. Be aware that physical roadways may not be centered in the right-of-way. This road is maintained by Weld County. Acknowledged. Please see updated site plan. Per Chapter 8, Article 13, Section 8-13-30, a Weld County Right -of -Way Use Permit is required for any project that will be occupying, constructing or excavating facilities within, and or encroaching upon, any County rights -of -way or easement. Right -of -Way Use Permit instructions and application can be found at https://www.weldgov.com/Government/Departments/Public-Works/Permits Acknowledged. Weld County will not replace overlapping easements located within existing right-of-way or pay to relocate existing utilities within the County right-of-way. Acknowledged. TRAFFIC The most recent traffic counts (2022) for this portion of CR 35 found the annual average daily traffic is 442 vehicles per day with 23% trucks. Traffic information submitted with the application materials indicates that construction traffic will be 10-15 vehicles per day of which 2 may be heavy vehicles and that the operation traffic would be 2-4 vehicles per year No additional traffic information is needed. Acknowledged. TRACKING CONTROL Tracking control is required to prevent tracking from the site onto public roadways. For access to paved roads, tracking control devices can be double cattle guards with 100 ft. of asphalt or 300 ft of asphalt. For access to gravel roads, tracking control devices must be either double cattle guards with 100 ft. of road base, or road base on all driving surfaces. Temporary Tracking Control shall be used during construction unless permanent tracking control is installed ahead of construction activities. Recycled concrete is not allowed in County right-of-way. Tracking control for unmaintained public right-of-way is required just prior to entering publicly maintained roadways. A variance request for alternatives to the tracking control requirement can be submitted to Development Review for review and consideration. This site requires approved tracking control during construction. Acknowledged. Pivot will obtain tracking control approval during construction. ROAD MAINTENANCE AGREEMENT (Construction) Development Review is requesting a Road Maintenance Agreement for Construction including, but not limited to, dust control and damage repair to specified haul routes. Acknowledged. Improvements/Road Maintenance Agreement: An example agreement is available at: https://www.weldgov.com/Government/Departments/Planning-and-Zoning/Development-Review . It will detail the approved haul routes and include a maintenance agreement for the haul routes. DRAINAGE REQUIREMENTS This area IS within an Urbanizing Drainage Area: Urbanizing Drainage Areas typically require detention of runoff from the 1 -hour, 100 -year, storm falling on the developed site and release of the detained water at the historic runoff rate of the 1 -hour, 5 -year storm falling on the undeveloped site for URBANIZING areas. Detention Pond summarized in a Drainage Report: The applicant has submitted a preliminary drainage report. A final drainage report signed and stamped by a Colorado Licensed Professional Engineer is required prior to recording the USR map. The drainage report must include a certification of compliance stamped and signed by the PE. A Certification of Compliance form can be found on the Development Review website. General drainage report checklist is available on the engineering website. More complete checklists are available upon request. Historic Flows: The applicants will be required to maintain the historic drainage flows and run-off amounts that exist from the property. Acknowledged. GRADING PERMIT A Weld County Grading Permit will be required if disturbing more than 1 acre. Grading Permit applications are accepted after the planning process is complete (plan recorded). An Early Release Request Form may be entertained only after the applicant, Planning Department have reviewed the referral and surrounding property owner comments. The Early Release Request may or may not be granted depending on referral comments and surrounding property owner concerns. Contact an Engineering representative from the Development Review for more information. A Construction Stormwater Permit is also required with the State for disturbing more than 1 acre. Contact: Colorado Department of Public Health and Environment, Water Quality Control Division, 303-692-3575. CONDITIONS OF APPROVAL A. A Final Drainage Report and Certification of Compliance stamped and signed by a Professional Engineer registered in the State of Colorado is required. (Development Review) Acknowledged. Final Drainage Report Attached B. A Road Maintenance Agreement - Construction is required at this location. Road maintenance includes, but is not limited to, dust control and damage repair to specified haul routes. (Development Review) Acknowledged. Road Maintenance Agreement attached. C. The USR map shall be amended to delineate the following: 1. CR 35 is a paved road and is designated on the Weld County Functional Classification Map as an arterial road which requires 140 feet of right-of-way at full buildout. The applicant shall delineate and label on the site map the future and existing right-of-way (along with the documents creating the existing right-of-way) and the physical location of the road. All setbacks shall be measured from the edge of right-of-way. This road is maintained by Weld County. (Development Review) Acknowledged. Please see updated site plan. 2. CR 394 is a paved road and is designated on the Weld County Functional Classification Map as a collector road which requires 80 feet of right-of-way at full buildout. The applicant shall delineate and label on the site map the future and existing right-of-way (along with the documents creating the existing right-of-way) and the physical location of the road. All setbacks shall be measured from the edge of right-of-way. This road is maintained by Weld County. (Development Review) Acknowledged. Please see updated site plan. 3. Show and label the existing permitted access point onto CR 35 and the usage type (Commercial). Development Review will review the access location as a part of the plan submittal. (Development Review) Acknowledged. Please see updated site plan. 4. If applicable, show and label the accepted drainage features. Stormwater ponds should be labeled as "Stormwater Detention, No -Build or Storage Area" and shall include the calculated volume. Otherwise, show and label the drainage flow arrows. (Development Review) Acknowledged. Please see updated site plan. Prior to Construction: 1. If more than one (1) acre is to be disturbed, a Weld County Grading Permit will be required. (Development Review) 2. The approved tracking control shall be constructed prior to on -site construction. (Development Review) DEVELOPMENT STANDARDS (NOTES ON THE SITE PLAN) 1. The property owner or operator shall be responsible for controlling noxious weeds on the site, pursuant to Chapter 15, Article I and II, of the Weld County Code. (Development Review) Acknowledged. 2. The access to the site shall be maintained to mitigate any impacts to the public road, including damages and/or off -site tracking. (Development Review) Acknowledged. 3. The Property Owner shall comply with all requirements provided in the executed Road Maintenance Agreement. (Development Review) Acknowledged. 4. The historical flow patterns and runoff amounts on the site will be maintained. (Development Review) Acknowledged. 5. Weld County is not responsible for the maintenance of onsite drainage related features. (Development Review) Acknowledged. Weld County Referral January 24, 2023 Submit by Email The Weld County Department of Planning Services has received the following item for review: Applicant: Jerry Loeffler, c/o Pivot Solar 36, LLC Case Number USR23-0008 Please Reply By: February 21, 2023 Planner Chris Gathman Project: A Site -Specific Development Plan and Use by Special Review Permit outside of subdivisions and historic townsites for a Solar Energy Facility (SEF) in the A (Agricultural) Zone District. Parcel Number: 105701000041-R4376086 Legal: W2NW4, North of the Lower Latham Drainage Ditch, being part of Section 1, T4N, R66W of the 6th P.M., Weld County, Colorado. Location: South of and adjacent to CR 50; east of and adjacent to CR 35. The application is submitted to you for review and recommendation. Any comments or recommendation you consider relevant to this request would be appreciated. Please reply by the above listed date so that we may give full consideration to your recommendation. Any response not received before or on this date may be deemed to be a positive response to the Department of Planning Services. If you have any further questions regarding the application, please call the Planner associated with the request. Please note that new information may be added to applications under review during the review process. If you desire to examine or obtain this additional information, please call the Department of Planning Services. We have reviewed the request and find that it does / does not comply with our Comprehensive Plan because: We have reviewed the request and find no conflicts with our interests. See attached letter. r r Signature Meghan Oren Date 2/2/2023 Agency City of Greeley Pivot notes that there are no conflicts with the Weld County Sheriff's Office. Weld County Planning Dept. 1555 N. 17th Ave, Greeley, CO 80631 (970)-400-6100 (970)-304-6498 fax Submit by Email \Neld Jaunty Referral January 24, 2023 The Weld County Department of Planning Services has received the following item for review: Applicant Jerry Loeffler, c/a Pivot Solar 36, LLC Case Number: USR23 OOU8 Please Reply By; February 21, 20.23 Planner: Chris Gathman Project A Site -Specific Development Plan and Use by Special Review Permit outside of subdivisions and historic townsites for a Solar Energy Facility (SEF) in the A (Agricultural) Zone District, Parcel Number 10570100004144376086 Legal: W2NW4, North of the Lower Latham Drainage Ditch, being part of Section 1, T4N, R66W of the 6th P.M.., Weld County, Colorado. Location: South of and adjacent to CR 50; east of and adjacent to CR 35, The application is submitted to you for review and recommendation. Any comments or recommendation you consider relevant to this request would be appreciated, Please reply by the above listed date so that we may give full consideration to your recommendation. Any response not received before or or this date may be deemed to be a positive response to the Department of Planning Services. If you have any further questions regarding the application, please call the Planner associated with the request. Please note that new information may be added to applications under reviewduring the review process. If you desire to examine or obtain this additional information, please call the Department of Planning Services. We have reviewed the request and find that it does / does not comply with our Comprehensive Plan because: - e have reviewed the request and find no conflicts with our interests. See attached letter, Signature Agency Town of LaSalle KAactiftcv Date 2/14/2023 Please consider: 1. A requirement for the western portion of the property, adjacent to CR 5 to remain open for future development as depicted on the Site Plan; 2. A requirement for the Applicant to obtain a flood plain development permit; and 3. A requirement to establish a haul route during construction that prohibits traffic from traveling on First Avenue through the Town of LaSalle. 1. Acknowledged. Pivot intends to maintain a 500' buffer between the solar facility and the west boundary of the parcel. 2. Applicant will obtain floodplain development permit 3. Weld County Planning Dept. 1555 N. `f 7th Ave 1 Greeley, CO 80631 (970)-400-6100 (970)-_304.6498 fax LEGAL DESCRIPTION: souls mica 12a PT Sysµ K S ib Vit BEG 1N' E OF SW COR E t2CCE K Nat AOC TO cEN CO R SAS W1O0' TO BEG OR; NORTH PARCEL MITT WIWW ' t N N OF LOWER AT.am DRAINAGE DITCH (2O2R) SITE DATA PARCEL AREA 0215 ACRES PROJECT AREA ail, ACRES INDUSTRY STANDARD PV MODULES NDUSIWV STANDARD CENTRAL NVERTEAS pCNSTRY STANDARD SNGLEAALS TRACAWG SYS IEIA SOIL TYPES • Await5AWAOUENTS ORAVELLYSIASTRATUM[IIf ) • SIC T0RROTHENTS MDDERATTav STEEP (t t%) IAT Soots OF PARCEL NEAR RATER] (FROM USDA NATURAL RESOURCES CONGERVATIDN SERVCE] CASE NUMBER: USR23-0008 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW (USR) CASE NUMBER. USR23-0008 LOCATED IN SECTION 36, TOWNSHIP 5 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (NORTH PARCEL) SECTION 01, TOWNSHIP 4 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (SOUTH PARCEL) I9n POI L PY,.1C69CIIOLitI liTRLEY PAL.IY TR LIT PAPttS'WU INTRO NUT SALE L 4EISLEY Y,Pa$ll& APPLICANT PIVOT ENERGY 1750 15Th n, sum 400 DENVER, CO $0202 CONTACT: KYLE SUNDMAN tam 7343033 VICINITY MAP 500 LUDO )000 I i T WALL leaIODO' ENGINEER ENERTIA CONSULTING GROUP, LLC 1515 MARKET STREET DENVER, tX)I.ORADO 60202 CONTACT: RICK ILAGS (AYER, PE (609) :34-5502 LAND OWNER JERRY L LOEFFLER 23196 COUNTY ROAD 35 LA SAILE, COLORADO $0645 REGIONAL AREA MAP SCALE r+2000 SHEET INDEX SHEET II DESCRIPTION I COYER SHEET 2 GENERAL NOTES 3 PLOT PLAN 4 CONCEPTUAL PV ARAM DEVON S DETAILS (1 Of 2) 6 DETAILS (I Of 2) PROPERTY OWNER'S CERTIFICATION DIEUNDERSICTIED PROPERTY gNImS) ODES) HERBY AGREE TO THE SITE SPECIFC DEVELOPMNT PLANAND USE BY SPEC2AL REVS DEVELOPwea STANDARDS AS DESCRIBED HEREON DAS DAY OF ?D *AE OF PROPERTY OWNER NAME OF PROPERTY 0" IL R PLANNING COMMISSION CERTIFICATION THIS B THE CERTIFY THAT THE WELD COUNTY PLANNING COMISSION HAS CERTIFIED AND DOES HEREBY RECOvAIEND TO THE BOARD OF COUNTY COHNNSSIONERS WELD COUNTY COLORADO, FOR ITS CONFIR►ATION. APPROVAL AND ADOPTION THIS SITE SPECIFIC DEVELOPMENT PLAN AND USE BY SPECIAL REVEWAS SHOWN AND DESCRIBED HEREON THIS DAY OF 2L CHAIR WELD COUNTY PLANNING COMtASSCN BOARD OF COUNTY COMMISSIONERS CERTIFICATION If 2 S Lu w Zd r� fr R� *Jr W U w a Or r< Q1y KZ 80 a a n L no O 2 feg Z n6 � W i �m g '- of 5 j H 8 O EL '2 Z O THOS a To CERTIFY THAT TIE BOARD of COUNTY COIRd6S10NERS. WELD COUNTY COLORADO DOES HEREBY =am AND ADOPT THIS SITE SPECIFIC OEVQOP{tENT PLAN AND USE BY SPECIAL REVIEW AND DEV EL OVMENI STANDARDS AS SHORN AND DESCRIBED HEREON THIS DAY OF 20 CHAIR BOARD OF COUNTY COMIASSDNERS ATTEST *EL D COUNTY CLERi TO THE BOARD !h DA•i7 DEPUTY a ERR TO THE BOARD •0+1 HALLO ultlTY P[VO#MATOY THREE IS) SUUNES5 DAYS WORE YOU DID CALL HI o, aa.. - or, UiA(IY YOTWCATSN COMM Of COLORADO wMCQ His jtt ac Z C cr C LL cc 5 O Co >- 0 cc LL Z 'Cr) J a J ll.l Ui LU Cr (Y a cc a Cl LL LL V) W >- 0 CO J LU V) D ff 9, W 1750 15Th ST SUITE C 8 I COVER SHEET VERIFY SCALE SAR IS ONE INCH ON ORIG{NAl DRAWWO. 3 btALF DATE APRIL 13, 2023 FILE DWG SHEET 1 OF 6 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW (USR) CASE NUMBER USR23-0008 LOCATED IN SECTION 36, TOWNSHIP 5 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (NORTH PARCEL) SECTION 01, TOWNSHIP 4 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (SOUTH PARCEL) SITE SPECIFIC DEVELOPMENT PLAN USE BY SPECIAL REVIEW PERMIT DEVELOPMENT STANDARDS USR23-0008 I A SITE SPEC*C DEVELOPMENT PLAN AND USE BY SPECIAL REVIEW PERMIT, USR21400I FOR ANY USE PERMITTED AS A USE BY RIGHT AN ACCESSORY USE. OR A USE BY SPECIAL REAM IN THE COMMERCIAL UR INDUS TRIAL. IONE DISTINCT (S MEGA VMTT (MN7 COIHRRMTY OWNED SOUR POWER GENERATION FACE DTI. PROVIDED THAT THE PROPERTY IS NOT A LOT IN AN APPROVED OR RECORDED SL80N6DN PLAT OR LOTS PARTS OF A MAP OR PLAN FLED POOR TOADOPTION OF ANY REGULATORS CONTROLLINGSUGDMS10I6 M THE A (AGRCULTUMLI ZONE DISTRICT SSWT TO THE DEVELOPMENT STANDARDS STATED HEREON (DRAM NEWT OF PLANTING SERVICES) 2 APPRCNAL OF THIS PLAN AMY CREATE A VESTED PROPERTY RIGHT PURSUANT TO SECTION 231.10 or THE WELD COUNTY CODE. (DEPARTMENT OF KARMIC SERVCESI ). All SIGNS SHALL ADHERE TO CHAPTER 73. AR1ICE E N UNISON 2 AND APPENOCES 23•C 23.0 AND 13•E OF TIE WELD COUNTY CODE (DEPARTMENT OF PLANNING SERVICES) 4 THE LANDSCAPING SCREEIMNG ON THE SITE SHIN L 61 MANtTAINI D (DEPARTMENT OF PLANNING SERVEESI ! UPON TERIAR MITONOF THE USE OF THE SOLAR POWER GEMINATION FACILITY ASSOCIATED STRUCTURES MO EOUEMENI ASSOCATED WITH THE SOLAR PO %(I GENERATION FACILITY SHALL SE REMOVED AND THE PREMISES RESTORED TO ITS ORIOBAL CONDITION 6 THE PROPERTY OWNER OR OPERATOR PALL PROVIDE WRITTL4 EVIDENCE OF AN APPROVED EMERGE AY ACTION AND SAFETY RAN ON OR BEFORE MARCH IL TH OF ANY GNEN YEAR SOME() BY REPRESENTATIVES FOR niF FIRE DISTRICT AND THE WELD COUNTY OFFICE Of EMERGENCY MANAGEMENT 10 THE DEPARTMENT OF PLANNING SERVICES (DEPARTMENT OF PLANNING SERVEES) 1. ALL LIQUID AND SOLO WASTES (AS DEFINED IN THE SC( IC WASTES DEPOSAL SITES AND FACILITIES ACT 4O.2C10C.5 C.M.S J SHALL BE STORED AND RBADVED FOR FENN. DISPOSAL IN A MANNER THAI PROTECTS AGAINST SURFACE AND GROUNDWATER CONTAMINATION. (DEPARTMENT OF PUBLIC HEALTHANND EWWOMENT) 1 IC PERYMNENT DISPOSAL Of WASTES SHALL BE PERMITTED AT 1145 WE. TITS IS TOT MEANT 10 NQUOE THOSE WASTES SPECIFICALLY EXCLUDED FROM THE DEFINITION OFASIX ID WASTE M THE SOLE WASTES DISPOSAL SITES AHD FACLIIIES ACT, 20.20.100 S CRS (DEPARTMENT OF PUBLIC HEAL TI AND ENVROMAENT) 9. WASTE MATERIALS SHALL BE HANDLED, STORED, AND DISPOSED IN A MANNER THAT CONTROLS FUGIFNE DUST FUGITIVE PARTICULATE EMISSIONS BLOWING DEBRIS, AND OTHER POTENTIAL NUISANCE CONDITIONS THE FACILITY SHALL OPERATE Pi ACCORDANCE WITH CHO:1ER 14 ARTICLE I OF THE WELD COUNTY CODE (DEPARTMENT OF PUBIC HEAL TH AND ENWIRO*%KT) TC. FUGOPIE DUST SHOULD ATTDOT 11) BE CONFMED ON THE PROPERTY LEES ON THE PROPERTY SKOL0 COMPLY WITH THE COLORADO AR QUALITY COMMISSIONS AIR QUALITY NEW -ATOMS (DEPARTMENT OF PUBLIC HEAL TH 4WD EWIROIAAENT1 II. THE OPERATION SHALL COMPLY WITH ALL APPLICABLE RULES AND REGIAA TONS OF STATE AND FEDERAL AGENCIES AND THE WELD COUNTY CODE (DEPARTMENT OF PUAEC HEALTH AND ENVIRONMENT) 12 SOURCES OF LEST SHALL BE SHIELDED SO THAT LIGHT RAYS WILL NOT SHINE DIRECTLY 01410 ADJACENT PROPERTES WHERE SUCH MILD CAUSE A NUISMDE OR INTERFERE WITH THE USE ON THE ADJACENT PROPERTIES INACCORDANCENTH THE RAll NETT HER T4 DIRECT ICRREFLECTED LIGHT FROMANYUGHTSOURCE WAY CREATE A TRAFFIC HAZARD TO OPERATORS OF MOTOR VEHICLES ON PUBIC OR PRIVATE STREETS NO CMORED LEl4TSMAY BE USED WINCH LILY BE CONFUSED WITH. OR CONSTRUED AS TRAfFCCONTROL DEUCES (DEPARTMENT OF PLANNING SERVMES) 13, SHGIL D NOXIOUS WEEDS D(IST ON THE PROPERTY OR BFCO.IF ESTABLISHED AS A REStU T Of TE PROPOSED DEVELOPMENT THE APPLICANTAANDOWNER SHALL BE RESPONSSLE FOR CONTROLLING THE NOXIOUS WEEDS PURSUANT 10 CHAPTER IS ARTICLES I AND R OF THE WELD COUNTY CODE IDEPARIMENT OF PLANNING SERVICES • ENGINEER) TA THE ACCESS ON THE SITE SHALL BE MAINTAINED TO LITIGATE ANY ►*ACTS TO THE PUBIC ROAD INCLUDING TauaRFc ARDOR OFfSITE TRACKING (DEPARTMENT OF FLAMING SERAES- ENGINEER) TS THERE SHILL BE NO PARKING OR STAGING OF VECES ON RAIL ROADS ONFSTTE PARKING SHALL BE UTILIZED. (DEPARTMENT OF PUKING SERVICES - ENGINEER) 16 THE HISTORICAL FLOW PATTERNS AND RtAiOfF AMOUNTS ON THE SITE WILLER MAINTAINED, (DEPARTMENT OF PLANNING SERVICES • ENGINEER) 11 BULDIIG PERMTS MAY BE REQUIRED. PER SECTION 2S3 -W or THE WELD COUNTY CODE CURRENTLY, THE FOLIOYMIC HAVE BEEN ADOPTED BY WELD COUNTY nu DETERNATKIMI CODES 2001 INTERlATIIONAL ENERGY CODE AND 2014 NATION* ELECTRICAL CODE A BULDIG PERMIT APRCA TON MUST BE COMPLETED AM) TWO (21 COMPLETE SETS Of EN G NEERED PLANS BEARING THE WET STAMP OF A COLORADO REGISTERED ARCHITECT OR ENGMEER MUST BE SUBMITTED FOR RIVEN A GEOTECMICA& ENOMEERNG REPORT PERFORMED P A COLORADO REGISTERED ENGINEER SHALL BE REQUIRED OR AN OPEN tat INSPECTION (DEPARTMENT OF BUILONGINSPECTION( t1. THE PROPERTY OWNER OR OPERATOR SHALL BE RESPONSEE FOR COMPL YNGVMTH THE DESIGNATE OPERATION STANDARDS OF CHAPTER 23 OF THE WELD COUNTY CODE 19. NECESSARY PERSONNEL FROM THE WELD COUNTY DEPARTMENTS OF PLANNING SERVICES PLAT C WORKS AND RAMC HEALTH AND EIAAROIMENT SHALL BE GRANTED ACCESS ONTO THE PROPERTY AT ANY REASONABLE TN& IN ORDER TO ENSURE THE ACTIRTIES GARRET) OUT ON THE PROPERTY COMPLY WITH THE CONDITIONS Of APPROVAL AND DEVELOR#KNT STANDARDS STATED HEREIN AND ALL APPLICABLE WELD COUNTY REGULATORS 20 THE USE BY SPECIAL REVIEW AREA SHALL BE INTEL) TO THE PLANS SHOWN HEREON ARC GOVERNED BY THE FOREGOING STANDARDS AND ALL APPLICABLE WELD COUNT,' REGULATIONS SUBSTANTIAL CHANGES FROM THE PLANS OR DEVELOIVENT STAICAROS AS SHOWN OR STATED SHALL REWIRE THE APPROVAL OF ANMEMOMENT OF THE PERMIT BY THE WELD COUNTY BOARD OT COUNTY COMMISSIONERS BEFORE SUCH CHANGES FROM THE PLANS OR DEVELOPMENT STANDARDS ARE PERMIT TED ANY OTHER CHANGES SHALL BE FLED IN THE OFFICE Of THE DEPARTMENT OF PLANNING SERVICES p THE PROPERTY OWNER OR OPERATOR SHALL BE RESPONSBILE FOR OMARYWCWITHALL Of THE FOREGOING DEVELOPMENT STANDARDS NCNCQi.MNCE WIT -4 ANY Of THE FOREGOING DEVELOPMENT STANDARDS MAY BE REASON FOR REVOCATION OF TIE PERROI BY T4 BOARD OF COUNTY CCA ASSIOAERS- 21 RIGHT TO EXTRACT MINERAL RESOURCES STATEMENT WELD COUNTY IAs SOME Of THE ICS T ABUNDANT MINERAL RESOURCES. WLXUDNG, BIT NOT LMTED TO, SAND AND GRAVEL CL NATURAL GAS. AND COAL UNDER TILE J4 OF THE COLORADO REVISED STATUTES MINERALS ARE VITAL RESOURCES BECAUSE (A) THE STATES CONTERCIAL MINERAL DEPOSITS ARE ESSENTIAL TO THE STATES ECONOMY. (81 THE POPULOUS COUNTIES OF THE STATE FACE A CRITICAL SHORTAGE OF SUCH DEPOSITS AND (C) SUCH DEPOSITS SHONAD GE EXTRACTED ACCORDING TO A RATIONAL PUN. CALCULATED TO AVON) WASTE Of SUCH DEPOSITS AND CAUSE THE LEAST PRACTICABLE DISRUPTION OF THE ECOLOGYANT) DUALITY OF Off OF THECITIZENS Of THE POPILOU5 COUNTIES OF THE STATE MINERAL RESOURCE LOCATIONS ARE WIDESPREAD TM0UGIOUT THE COANTY AND PERSON MOVING INTO THESE AREAS IAA T RECOGNIZE THE VARIOUS M'ACTS ASSOCIATED WITH THIS DEVELOPMENT OFTENTIMES MNEML RESOURCE SITES ARE FIXED TO TIER GEOGRAPHICAL MO GEOPHYSICAL LOCATIONS. AORE0VER, THESE CASE NUMBER: USR23-0008 RESOURCES ARE PROTECTED PROPERTY RESTS Alp WERAL OWNERS SHOULD BE AFFORDED THE OPPORTUNI' • TO EX TRACT THE MINERAL RESOURCE. JEWEL() COUNTES RIGHT TO FARM WWI COUNTY IS ME OF TIE MOST PRODUCTIVE CRC* TURAL COUNTIES IS THE UNITED STATES, TYPICALLY RAISIELG IN TIE TOP TEN COUNTIES IN THE COUNTRY IN TOTAL MARKET VALUE Of AORCUA RURAL PRODUCTS SOLO THE RURAL AREAS OF WELD COUNTY MAY BE OPEN AND SPACCUS, BUT THEY ARE NNTENSNEIY USED FOR AGRCIA.TURE PERSONS LADINOINTO A RURAL AREA MUST RECOGNIZE AND ACCEPT THERE ARE DRAWBACKS INCL UDC CONFtICTS NTH LONG-PARDO AGR1CUL TURAL PRACTICES MC A LOWER LEVEI. OF SERVICES THAN IN TOWN ALGNGWITH THE DRAWBACKS COME THE *CENTWES With ATTRACT L4AN LLERS TO RELOCATE TO RURAL AREAS OPERVIEWS SPACIOUSNESS WLOLFE. LACK Of CRY NOISE AND CONGESTION. AND THE R&M ATMOSPHERE ANDWAY OFLIFE *Than NEIGHBORING FARMS. THOSE FEATURES PAtHATTRACT URBAN DWEL LENS TO RURAL VELD COUNTY MIGUI O OIACKL V BE GORE FOREVER AGRICULTURAL USERS OF THE LAND SHOu 0 NOT BE EXPECTED TO CHUNK)E THEIR LONGES TARIS HED AGRCULTWW_PRACTCESTOACCOMMODATETHEINTRUSDNSOFURBANUSERSINTOARURALAREA WILL -RUN ACACIA TURAL ACTIVITIES WILL GENERATE OFF -SITE IAPACTS, INCLUDING NOISE FROM TRACTORS AND EQUIPMENT. SLO -LCVWOFARMVEHICLES ON RURAL ROADS, DUST FROMANSAIL PENS. FEED WORK HARVEST AFC GRAVEL ROADS, ODOR FROMAN EW. CONFINEMENT, SILAGE AND MANURE SSE FROM DITCH IWRNFNG, FtES MD MCSOU1ToES HURTING AND TRAPPING ACTIVITIES SHOOTING SPORTS. LEOMWPC OrMRSANCESRWIFE .AND THE uSE OF PESTICIDES AND FERTIIZERS MOTE FIELDS MCLUOMIO THE USE OF AERIAL SPRAYING IT IS COMMON PRACTICE FOR AGRICULTURAL PRODUCERS 10 OWE AR ACCUMULATOR OF AMC* TURAL LA WRIIE RY AND S WPLES TO ASSIST IN THEIR AGRICULTURAL OPERATIONS A CONCENTRATION OF IISCBLANEOUS AGRCIA TURAt LATERALS OFTEN PRODUCES A VISUAL DISPARITY BETWEEN RURAL AND uRBAN AREAS OF THE COUNTY SECTION 35-3S-101 C.RS PROVIDES THAT AN AGRICU. TURAL OPERATION SHALL NOT BE FOUND TO BE A PUBLIC OR PRIVATE NUISANCE IF THE AGRCLL TURAL OPERATOR ALLEGED TO BE A NUISANCE EMPLOYS METHODS OR PRACTICES THAT ARE COMMONLY CR REASONABLY ASSOCIATED WITH AGRICULTURAL PRODUCTION. WATER HAS BEEN AHD CONTINUES TO BE. THE LIFELINE FORTH( *GRILLE TURAL CONWAY IT NS UNREALISTIC TO ASSLRAE THAT DITCHES AND RESERVOIRS MAY SPIRY BE MOVED OUT OF THE WAY' OF RESIDENTIAL DEVELOPMENT WHEN MOVING TO THE COUNTY, PROPERTY OWNERS AND RESIDENTS IA/ST REALIZE THEY CAMp1 TAKE WATER FROM IRRIGATON DITCHES LAKES, OR OTHER STRUCTURES (MESS THEY HAVE AN ADJUDICATED RIGHT 10 THE WATER WELD COUNTY COVERS A LAND AREA OF APPIOXIATELY FOUL THOUSAND T4.0O1 SQUARE TALES IN 512E (TWICE THE SIZE OF THE STATE OF DEL. AWARE) WITH MOVE THAN THREE THOUSAND SEVEN HUNDRED (3 1%) TEES OF STATE AND COUNTY ROADS OUTSIDE Of MUNICIPALITIES THE SHEER MAGNITUDE OF THE AREA TO BE SERVED STRETCHES AYALABLE RESOURCES, LAW ENFORCENTE NT IS BASED ON RESPONSES 10 COMPLAINTS MORE I HAN ON PATROLS OF THE COUNTY AND THE DISTANCES WHICH MUST BE TRAVELED MAY DELAY Alt EMERGENCY RESPONSES MCI UDING LAW ENFORCEMENT AMSLLANCE AND FIRE FARE PROTECTION IS USUALLY PROVIDED BY VOLUNTEERS WHO MUST LEAVE THEIR ENS Alp FATALES TO RESPOND TD EMERGENCIES COUNTY GRAVEL ROADS. ND MATTER HDW OF TEN THEY ARE BEADED. VAG NOT PROVDE THE SAME KIND OF SURFACE EXPECTED FROM A PAVED ROAD. SHOW REMOVAL PRIORITIES MEAN THAT ROADS FROMSUBDNLSIONS TO ARTERIALS MAY NOISE CLEARED FOR SEVERAL DAYS AFTER A MAJOR SNOWSTORM. SERVICES N RURAL AREAS. N MANY CASES, WWl1 NOT BE EQUIVALENT TO ►WNCWAL SERVICES RURAL DWELLERS MUST BY NECESSITY, BE MORE SELF-SUFFCENT THAN URBAN DWELLERS PEOPLE ARE EXPOSED TO DIFFERENT HAZARDS IN THE COUNTY TIAN IN AN URBAN OR SUBURBAN SETTING FARM EO APUENT AND COI FIELD EQUIPMENT, PONDS AND IRRIGATION DITCHES El ECTREAL POWER FOR PUMPS AND CENTER PIVOT OPERATIONS HEllSPEED TRAFFC SANDBURS PUNCTURE VINES. TERRITORIAL FARM DOGS AND LIVESTOCA AND OP( NBUtLNWGPRESENT REAL THREATS CONTROLLNGCHIGRINSACTTVFIES K IMPORTANT, NOT WAY FOR THEM SAFETY, SOT ALSO FOR THE PROTECTION OF THE FARMERS L NELMOOD 0 t!) I d' Q K U Vt 9 Q 1515 MARKET STREET 1750 1STH ST SUITE 400 8 tY S ETT w W ° 2-u �u rt f 4 to s— U Yis o w B o VI n Wo Y i C O �HH C 1r W_ N z,. eS � w U K w i C < • w er is rc • z zet .nO O z C .2 r x �o W z � ,c Ass Y0 0G 3 or w 5 ; • 2 Uo � u 2 0 CC Q LA- CC 5 0 Tn 0 CC r LU Z LU I -- 0 a J W U IX Q IY w J U- LJ- LU 0 —J GENERAL NOTES 'OR MAltO V illy ttoasATTPh THREE (3; SUNNEJ<f DAYS won YOU DIG CALL III I .Y v9a.'•Owls UTILITY NDTNk'AtaON cam OF COLORAOOPACQ ...G..c o.K VERIFY SCALE SAN N9 ONE NCH O% OR COAL ORAVANO a - S DATE APRIL 11 202 FILE DWG SHEET 2OF6 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW (USR) CASE NUMBER USR23-0008 LOCATED IN SECTION 36, TOWNSHIP S NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (NORTH PARCEL) SECTION 01, TOWNSHIP 4 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (SOUTH PARCEL) CASE NUMBER: USR23-0008 NOTES 1 A LAYOUT OF THE SOLAR FACILITY IS CT YET CONCEPTUALIZED. FINAL LOCATIONS FOR EOIAPMENT AND ALL OTHER FACILITY COMPONENTS MAY BE ANYWHERE WITHIN THE SOLAR SITING ENVELOPE HATCHED ON THESE PLANS 2 TREES WERE NOT OBSERVED WITHIN THE MAJORITY OF PROPOSED SOLAR ARRAY AREAS. IF NECESSARY. TREES AND SHRUBS ARE TO BE REMOVED TO ALLOW FOR THE INSTALLATION OF THE ARRAYS AM) TG EUMMNATE SHADING 3. ENERTIACONSUL TING GROUP LLCASSUMESNO RESPONSIBILITY FOR UTILITY LOCATIONS ANY UTILITIES SHOWN ON THIS DRAWING HAVE BEEN LOCATED BASED ON THE ALTA SURVEY II IS THE CONTRACTORS RESPONSIBILITY TO FIELD VERIFY THE LOCATION OF ALL UTILITIES PRIOR To MOBILIIATIoN 4 AN 8 FT GAME FENCE WILL BE INSTALLED TO SURROUND THE SOLAR ARRAYS GATES WILL BE PROVIDED FOR ACCESS 5 THE PROPERTY OWNER OR OPERATOR SHALL BE RESPONSIBLE FOR CONTROLLING NOXIOUS WEEDS ON THE SITE. PURSINNT TO CHAPTER 15 ARTICLE I AND II OF THE WELD COUNTY CODE 6 THE ACCESS TO THE SITE SHALL BE MAINTAINED TO MITIGATE ANY IMPACTS TO THE PUBLIC ROAD INCLUDING DAMAGES ANDIOR OFF -SITE TRACKING 7 THE PROPERTY OWNER SHALL COMPLY WITH ALL REQUIREMENTS PROVIDED IN THE EXECUTED ROAD MAINTENANCE AGREEMENT 8 THE HISTORICAL FLOW PATTERNS AM) RUNOFF AMOLMTS ON THE SITE WILL BE MAINTAINED 9. WELD COUNTY IS NOT RESPONSIBLE FOR THE MAINTENANCE OF ONSITE DRAINAGE RELATED FEATURES 10 SYSTEM DESiGNED TO MAINTAIN EFFICIENT AGRICULTURAL uSf POST SOLAR INSTALLATION WNLE SIMULTANEOUSLY MAINTAININGA BUfFER LEGEND 1 ra• a PROJECT BOUNDARY OIL WELL SETBACK EXISTING STRUCTURES EXISTING GRAVEL ACCESS ROAD LBSF) PROPOSED GRAVEL ACCESS ROAD (USR} SOLAR IMPROVEMENT AREA (30.97 ACRES) i SHEEP GRAZING AREA USR BOUNDARY 177.05 ACRES; SET TALL GAME FENCE REMAINING AGRICULWHAT AREA 75 SCAM+ 50' 100 6 0 w I s I te U U) z 9 I- O to Q J .- 3 c� s W' a Z r36.W� p;� r Ol r r 1750 15TH ST SATE 400 c 8 vi z 0 Q u_ CC U as rt NLU >- CC t1 w W zo W H- O J a a a I- O J a 4 tQmUt►Itr •iO.OI&TOu THREE (31 ■UYNEli DAYS BEFORE YOU O1O /^ CALL fit Latin NONICATI0N CENTER or COtORA0O M CO ......c. o.a VERIFY SCALE BAR IS ONE INCH ON ORG11ML DRAWING. SC -t DATE APRIL 13. 2O23 FILE DWG _SHEET 3 OF 6 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW (USR) CASE NUMBER USR23-0008 LOCATED IN SECTION 36, TOWNSHIP 5 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (NORTH PARCEL) SECTION 01, TOWNSHIP 4 NORTH, RANGE 66 WEST OF THE 6TH PRINCIPAL MERIDIAN, COUNTY OF WELD, STATE OF COLORADO (SOUTH PARCEL) f't.Tim; ul i25 SETS CJJ +; CASE NUMBER USR23-0008 NOTES 1 SOLAR FACILITY LAYOUI AND ASSOCIATED ELLCTRICAL INFRASTRUCTURE ILLUSTRATED IS AN APPROXIMA TION OF THE FACILITY DESIGN AND IS SHOWN SOLELY FOR CONCEPTUAL VISUAL REPRESENTATION SOLAR FACILITY LAYOUT AM) ASSOCIATED ELECTRICAL INFRASTRUCTURE INCLUDING BUT NOT LIMITED 1O TRANSFORMERS PADS, ACCESS DRIVES, AND ARRAYS (SIZE. SEPARATION, LOCATION. AND ORIENTATION) ARE SUBJECT TO CHANGE PENDING FINAL ELECTRICAL PHOTOVOLTAIC AND CIVIL DESIGN LEGEND p PROJECT BOUNDARY OIL WELL SETBACK EJUSIING STRUCTURES EXISTING GRAVEL ACCESS ROAD (ZPSF) PROPOSED GRAVEL ACCESS ROAD (USR) SOLAR FACILITY AREA (30 97 ACRES) USR PARCEL (7706 ACRES) OFT TALL GAME FENCE N q iS 110 mo SCALE 1'=150' 6 N W K I. et U 8 9 r O z L7 2 1750 15TH 81 SATE 400 Z O C -A Q w Li U ga a. c cc >- 0 u - cc Lu w Z O w —i O 0 —1 Q U w CO r w Cn 8*1 FON ROMEO %MUT be O•TMTO' THREE I]) BUSINESS DAYS SEEOUL YOu DIG CALL 811 unWTY NOTItCAY ON MIER d COaoMoo µMCA VERIFY SCALE PAW '4 a -GCa.f DATE APRIL 13. 2O23 ALE DWG SHEET 4 OF 6 POST c 0460nM• cONSr.IACI SAM 5000 AS an too Of t.I.s WI*. 2-- II stt� Out cuff MC( - k-5' s' --78-5-.4- • • CA 1 -^ice- s•1' -- 10.. 6 to -D T D" j .J ..t)10-0 . P0....0. 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C0NSiltuC1 soot AS llrt you a T.VS KIM.. out tidi ISOCIDra 'Ma •1■ S..IAL K Vasa 10 •000 TIOSK AND STM. ma Sr MC MOILS acs 1 rests man s to A,tafwhtON PJF➢osts OILS• AAO aT la co5I.uCTOM 2 00 NOT WAIL (At■I.CS DEER FENCE I Tti,5 DRAPING TS 804 atola,ON KAPOK% ONI. P•0 MOT FOR COTISMC IOM. 2 CO 'Sr SCALE D.A•rCS DEER FENCE . CHs DRAR.L s Ia AI01MLTON P.JSOSts Oro AND 'Si FDA COISttICIO t 2 00 401 SW.t r— s DEER FENCE If) 2 (/ U IR • Iwo PD{ aIALS \� l \ / GOMN • It !PIACI AOSI 1:11 TAMS RJR[ rAN•C ;ICE DL,wI I- O A n z Q IOILS ? OC 41. M r- 4 rA.sw.w I IM DRIIRIPL 3 rp. P•ORAM,OM MRPO'SiS qa. A,A) NV fa COIS11lUC IOM 1 00 WI SCA t ONA.rNCS t -� N K r •'�'� At (KH tOGtON OAK AN !tl[l.E tI•AySY6SOM ps,t1a1110N a S[CONDIIA LINE CROWS f(N(t- iM CONtRKIa LA O ^al stlr..p TI..M Char. -. �© ?"lla I Swat Sal rLSrsn MD IK1Att A Clono cOMDRYMc To *CNN • CO IM AMIOIMa Mal* WIN COO( sss,.MNAa N. 0 NIS .IAA10•DOI A+ ji II P END POST. CDRMON POST AND IM! 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Min WI O(t* CARS" attAtatc' TIKE •I1.OU1 DPEWGS a CAPS ISMCAutt At %IRUCILRIS, CLsfS- AND fltCµAR NOM W(M A •' a IARCta CAw L[5% Kta ,M MDRMAt DOt10r (INCE OW T.( CAP Sat K CLOSED ALCDD■C. 10 14 n0StAl OItat Mt (ITM IM1ttM JMb To ca ctot,a[S On INV •rot O• LOGO 01 Slat K ATCA MD M 14 a DEER FENCE PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW WELDCOuNTY COLORADO (0 tV -mi. o u, ) (11) ,_ tUC'.C an 2rtAR Notts 0 -- VERIFY SCALE RAM IS GALE IM:H ON ORIOANAI ORAWNG 3 DATE APRIL. 13. 2023 FILE CASE NUMBER: USR23-0008 DWG SHEET 5aF6 S TI-TH MIS' .'� S lot .0. 1.,� - f •• ,• Kn. INHtK;, AG DSCTJAYI!C "i7"' ' ' c •_ }• ST. �r • 1. ill • .1.1, ttoa r % rii 4. . i I • (IN fir.i,t1:-.4)• ` • • I1. BUFFALO GRASS BLUE GRAMA INDIAN RICFGRASS SHEEP FESCUE R ••�_ • • - f II 1 • ♦ • ' 7 SI4‘" • e' REVISION K C3 . 1 • MED ICGE COnG•ETE I.AE ia►ii\ r • •rr_• —,7 T-••_-- 'a •;•.•• _ -rte • •'1 • • ♦ •• • • ♦ - ran ". -1-.•-i ;---I •. •• • • • • • • • , *4• •. IA A •• ••b i 1 ti I li a _ ... t I ANNUAL. RYE RABBITBRUSH ASPEN DAISY BLUE FLAX INVERTER MOUNTED ON CONCRETE PAD (PIP) , •i ry ��1 • • •. v►0� • �•, !t ES llor TO SCALE ?NE. • ✓I .� . I. •%� j 11 t •1[, h - • a :•J ..'J.. + w �� • M tiff WNW' ITlIEL+t Hy , PALE EVENING PRIMROSE ' ' • 4. :I' I • DRAIRIE ASTER PRAIRIE C0NEFLOWER Wu 8 LI i:t" / - N 'ClI' f. i st4'i • , -1," o.H11SiT;.-T1:1.i • • t 1Ws - ... _ ?• ta — - - lit - is' • ..._. ,- {ilei\ i ' Z . L ,. .:1 NCH• ► =''' — -- _' —• fY v! w a A PURPLE VERBENA tiA_ARLL I vLUBEM.ALLUW' SOAP WEED WESTERN YARROW '7 PLANTS FOR REVEGETATION Pivot =ww4k Energy 1750 1STM S? Sill E 400 DENVER CO 80202 O 10 SEEDING MIX FOR PIVOT SPRING 2024 PER ACRE (TOTAL SEEDING PROJECT = 30.97 ACRES) ECOMMON NAME LATIN NAME PLANT TYPE BLOOM TIME COLOR S W11' IBSIACRE SEED PER LB TOTAL SEED 1 ASPEN DAISY ERIGERON SPECIOE5US FORB JULY -SEPT PURPLE/PINK 1-7 0 5 1,63o.ocori 800,000 1 •. ' ' 1(IIIfI BLUE FLAX MAPLE GROVE' LINUM LEWTSII FORB MAY BLUE 5-1'11' 1 5 293,000 439,500 -JUNE •� . ♦ '' �� •' ! PALE EVENING PRIMROSE OENOTFERA PAWDA FORS JULY-SEPT WHITE 8-20'i 0 5 512.000 256,000 ' •J ' •. • • ?• • • • ' /1 • • • II •/ . FRINGED SAGEBRUSH ARTEMISIA FRIGIDA FORE JUNE-SEPT GRAY/SILVER 5-1 S/1' 0 25 4. 536,000 1.134.000 "• ' • . •.. EQUIPMENT PAD LAYOUT PRAIRIE ASTER h1ACHAERANTHERA TANACETIFOLIA FORE JULY -SEPT PURPLE 45-'11' 0 5 408,000 204,000 NOT TO SCALE (OR OUANTIFIEDI PRAIRIE CONEFLOWER RAT1BIDA COLUMNIFERA FORE JUNE-SEPT YELLOW 1.7/1' 1 737,000 737,000 PURPLE VERBENA VERBENA STRICTA FORE JULY-SEPT PURPLE 2-4'/ 0 5 425.000 212.500 PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL USE BY SPECIAL REVIEW WELD COUNTY COLORADO I- J tv Q Ls- w O Q v SCARLET GLOBEMALLOW SPHAERALCEA COCCINEA FORE MAY-SEPT ORANGE 5-111' 0 25 500.000 125.000 WESTERN YARROW ACHILLEA MILLEFORLIUM VAR OCCIDENTALIS FORB JULY-SEPT WHITE 5-7/1' 0 75 2,770,00C 2,077,500 ANNUAL RYEGRASS 'GULF' LOLIUM PERENNE SPP MULTIFLORUM GRAMINOID APRIL -JUNE GREEN 1.7 1 227,000 227,000 MAMMUM TILT BLUE GRAMA HACHITA' BOUTELOUA GRACILIS GRAMINOID MAY-SEPT BLUE/GREEN 5 • 1 5' 2 825,000 1,650,000 'N ` riEIGHT ABOVE GRADE BUFFALOGRASS 'TEXOKA' BOUTELOUA DACTYLOIDES GRAMINOID MAY-SEPT GREEN 4-6 4 56 000 224.000 `•• • INDIAN RICEGRASS ACHNATHERUM H YMENOIDES GRAMINOID MAY-SEPT GREEN 1.2' 2 25 141,000 317,250 `C' MODULE AT MAIDMUM TILT SHEEP FESCUE FESTUCA OVINA GRAMINOID APRIL -JUNE GREEN 1-3' 0 75 680.000 510,000 \\ • • DOUGLAS LOW RABBITBRUSH CHRYSOTHAMNUS VISaDIFLORUS SHRUB JULY-SEPT YELLOW 1.572 0 5 782 000 391,000 •SPANISH BAYONET YUCCA GLAUCA SUCCULENT JUNE -JULY GREEN 7/7 0.5 22.680 11.340 \• NHOOI/LE AT HORIZONTAL TOTAL LBS AND SEED PER ACRE - _ 19 75 _ 9.318,090 • / TOTAL SEED PER SO FOOT = 214 2 M �\ GO' ,� REVEGETATION NOTES. • INDUSTRY• STANDARD TRACKINGINGLES5-1 US •• ` t TFR9 BEL/EGETATION MULL MCORPOMTE A WLTURE OF GRNANOIDS. FOREIS SHRUBS AND SUCCULENT 1. SEEDING 4 EL SCHEDULED TO OCCUR AFTER THE 50.AR ARRAY IS BT OUT THE GOAL. IS TO HAVE SEED M THE GROUND WH E GE MINA NON ES ST LE PRO ABE.E `�• 3 SLOPES ON SITE MOI ATE LESS THAN A 3% GRADE AND SCE -S ARE PALATNE OF CLAYEY ANO LOAM* TEXTURES A SGt 5 TESL IS CURRENTLY M PROGRESS TO DETE'RY•4E SOUS CIEM4STRY AND SOL TYPE �• A ALL SEED SHALL BE LABELED EN ACCORDANCE WITH u.S OEPARTLEkT OF ACACIATERE RULES Apt REGULATIONS AMYL FEDERAL SEEDACT SEED SMALL BE FRESH, CLEM. PURE LIVE SEED MTH VARIETIES RAKED IN PROPORTION TO 1HE Sir a ,••0ENTFCATON CHART SEED LABELS ANDAR TAGS SHALL BE COLLECTED AND DOCUMENTED FOR THE REVEGE NATION PROJECT DAFVE/� SEER. • N. S SEED COMMON AID BOTANICAL NUNS SEED AMOUNT. SEEDS PER SOMME FOOT Alta RANT GARACTORISTCS ARE REFERENCED OM THE RANT IDENTIFICATION CHART OU GCOPLUM • i 6 SEED APRGDIETCN IE INDIC% OIC ATES 21A SEEDS PER SOUARE FOOT OR 13SEEDS PER ACRE OR MIS LEIS OF SEED PER ACHE FORA TOTAL OF IT/ ► LBAS S FOR • IT ACRES TO< GPEN GRHtO F SEEDING METHOD uSINGA TRUAX DRILL THAT ISA S' WIDTH EOUWPEDIMTH DRAG CHAINS ON THE BACK THE CALLS HAVEA RANTER HEAD WITH DEPTH BAND CONTROLS TO PLANT SEEDS NO DEEPER THAN 5'. OEPENOWO ON 501 COMPACT KM. DISKING EXISTING GROUND MALI EITHER *ELMORE ORE A TRADITION & ACACIA TURN DISC ORANAGREGA TUML CWSEL RIPPER TO GET INTO THE SOL THERE AMY BE SOME HA NO TURING AND SEEDING DEPENOM ON WHAT THE BRIE CAN ACCESS AFTER THE SOLAR ARMY IS But T I NO SEEDINGSHWtOCCURWHENGROUNDSAREFROlEMOROTHERADVERSEWEATHHERCOMXTIOniSUCHASICHNWQS I MULCHING SHALL BE COMPRISED of THE ADDITION OF 2SCD LBS OF CRIMPED STRAW PER ACRE AFTER MULCH ISM PLACE, A MOONS MULL BE APPLIED. VF. R11 Y SCR. E y' ` ,.14 SCALE 'C SOL AMENDMENTS INCL ODES THE USE OF Besot FOR TE AT A RATE OF 12110 LBCHANGE S PER ACRE. HOWEVER IWS RATE MAY BASED UPON THE PENDING SOILS REPORT ANALYSIS NCTE FINAL DIMENSIONS SUIME-CT TO FINAL DESIGN. ET ALL 51105 MI BE TREATED MATH EACHORREUE AT A RATE OF 24 LBS PER ACRE 12. IRRIGATION MI LARGELY BE DEPENDENT UPON DRY LAND ERRIGATIDN. HOWEVER. THE PROJECT t5 RESERVING THE POSSIBILITY Of USING A WATER TANK M THE EVENT OF NEED WATER TANK WATERING MI PROVE OFFIca T AS IT MAY ONLY BE USED OW PV ARRAY RACKING SYSTEM OUTSIDE PERIPHERY OF THE PROPERTY ORCESIGNATEDEMERGENCY Roc TOAVOID OAMIGMCSEED BEDS DATE APRIL 13. 2023 13 WEEDS THAT BECOME PROREMATC ON THE SITE MULL BE SPOT SPRA'•ED WITN GLVPHOSATE NOT TO SCALE a STEYMARDSHUP SHALL BE COMPRISED Of MONITORING EVERY TWO WEEKS DURING THE GROPING SEASON CHECAPC ON THE STATUS OF GEMINATION AND GENERAL SITE CONDITIONS MANY SEEDS IN Tr -E5 VCR AMY CT GERMINATE MT/S THE FIRST YEAR CASE NUMBER USR23-0008 OrPtANTINOTHHE'REFCRE.SEEDNSICIA 4WW OTBESOLEYEVTEDAONEYEARIIMESPAN FILE DWG SHEET 6OF6 ENERTIA CONSULTING GROUP [[C April 24, 2023 Weld County Engineering Attn: Melissa King, PE 1555 N 17th Ave Greeley, CO 80631 1515 Market Street Denver, CO 80202 (609) 234-5502 rick.hagmayer@enertiacg.com RE: Drainage Narrative Pivot Energy Solar Facility on the Loeffler Parcel (USR23-0008) SE Corner of Weld County Road 35 & Weld County Road 394, Weld County To Ms. King: This drainage narrative is intended to provide Weld County with drainage and land disturbance information related to a proposed 32.25 -acre solar facility identified as Pivot Energy Solar Facility on the Loeffler Parcel (Project). The Project will be designed and will be constructed and maintained in a manner that minimizes storm water related impacts, in accordance with 2020 Weld County Engineering and Construction criteria. Project Specific Information Project Name, Property Address and Weld County Parcel No. Pivot Energy Solar Facility on the Loeffler Parcel (PS36) Parcel: 23896 WCR 35, Parcel No. 105701000041 Developer/Owner Pivot Energy, 1750 15th Street, Suite 400, Denver, CO 80202 Site/Civil Engineer Enertia Consulting Group, LLC, 1515 Market Street, Denver, CO 80202 Project Location and Description The Project is up to a 5 MW solar facility located on approximately 32.25 -acres of undeveloped land within a larger +1- 77 acre property; and within section 36, township 5 north, range 66 west of the 6th P.M., Weld County, Colorado. The Project site is bounded by WCR 35 to the west and WCR 394 to the north_ Project components include: up to a 5 MW solar facility with approximately 12,000 solar panels mounted on steel H -piles; concrete equipment pads; 20' gravel access driveway with emergency turn -around; and perimeter fence with access gate. With the exception of a gravel driveway and concrete pads for transformers and inverters, the remainder of the solar facility will not require clearing/grubbing of existing vegetation and grading unless required to prevent shading of the solar array. Some grubbing may be necessary to prepare the site with planned native seed mixes. Onsite conditions at the time of seeding will dictate necessity of such methods. The purpose of seeding is to increase the density of the native vegetation already established on site; therefore, grubbing is not considered land disturbance (if it is necessary). Weld County Planning and Building Department Page 2 Land Disturbance and Drainage Information Existing Ground Surface Conditions, Drainage Patterns and Imperviousness The 32.25 -acre solar facility project area may be characterized as undeveloped agricultural land. The applicable FIRM Maps (No. 08123C1726E, No. 08123C1730E), included in Appendix A, indicates that the Project site is mostly located in a Zone A floodplain. This indicates most of the property is within the 100 -year FEMA floodplain. Based on NRCS soils data (also included in Appendix A), the site soils are identified as Loam and Gravelly Sand and classified as Hydrologic Soil Group D. As shown on Figure 1 in Appendix A, the site ground surface gently slopes at an average of 0.5-2 percent from northwest to southeast toward a minor depression located along the east side of the Project site. Note, it is acknowledged the existing grade is flowing away from the South Platte and towards the Lower Latham Drain. During the 100 -year storm event, it is understood both drainage ways are both within a homogenous water surface. In general, storm water is conveyed across the Project area toward the Lower Latham Drain. Floodplain Considerations It is understood solar facilities developed within Type C and/or Type D soils require detention of the 100 -year storm event when located within Weld County except when if the facility falls into one of the exceptions provided Sec. 8-11-140 (I), as this project does. Additionally, it is understood the photovoltaic components of the solar array systems will be installed at a minimum of 1.0' above the 100 -year water surface elevation. Additionally, all concrete pads built to support the inverters and transformers will be placed a minimum of 1.0' above the 100 -year water surface elevation. Land Disturbance Activities The site improvements considered as land disturbance activities include installation of: (i) all- weather gravel surface driveway and (ii) concrete equipment pads: (i) Gravel Access Drive — An all-weather gravel surface access drive will extend from WCR 35 east to the solar facility. Given the site soils, a 12 -inch -thick gravel surface (consistent with similar solar facility access drives within Weld County) is proposed. This depth of gravel over compacted subgrade is sufficient to provide routine and emergency access to the Project. (10 Concrete Equipment Pads — Concrete equipment pads will be installed beneath inverters and transformers and other electrical equipment as required with the development. The pads will be at least 8 -inches thick with reinforcing steel and located generally on the western portion of the site. Lastly, components of the 32.25 -acre solar facility will include up to 12,000 solar panels placed on steel H -piles driven into the ground. Since the solar panels will be tracking panels (rotate through the day to track the path of the sun), the ground surface vegetation beneath the panels will continue to grow. Onsite conditions at the time of seeding will dictate necessity of such methods. The purpose of the seeding is to increased the density of native vegetation; therefore, the grubbing is not considered land disturbance (if it is necessary). Weld County Planning and Building Department Page 3 Land Disturbance Area A total of approximately 9,990 SF or 0.23 acres of the Project area is anticipated to be disturbed. The total disturbance numbers are summed in the following table. Disturbance Surface Type Disturbance Area (sf) Disturbance Area (Ac) Gravel Drive 9,526 0.219 Concrete Equipment Pads 464 0.011 Total 9,990 0.230 Detention Exemption It is understood solar facilities developed within Type C and/or Type D soils require detention of the 100 -year storm event when located within Weld County except when if the facility falls into one of the exceptions provided Sec. 8-11-140 (I). This solar facility follows item 13 in the afore mentioned exceptions list; the site is greater than 5 acres but will add less than 4,500 sf of equivalent imperviousness (as summarized in table below). The total equivalent imperviousness is the acreage multiplied by the percent impervious. For example, the gravel drive area of 9,526 multiplied by the 40% impervious (gravel drive) results in 3,811 sf of equivalent imperviousness. A summary table is included below: Subbasin Area Imperviousness Equivalent Lyth Imperviousness s111 Array Area 1,394,820 25 0 Gravel Drive 9,526 40 3,810 Equipment Pad 464 100 464 Subtotal 4,274 Hydrologic Design Criteria The following table includes hydrologic design criteria used in this analysis. Parameter Value Unit Reference Time of Concentration, Tc - min. MHFD Rational Peak Method Runoff (Appendix Prediction by the A) Runoff Coefficient, C - - MHFD Table Criteria 6-4 Manual, Chapter 6, 1 Year) -hr Point Rainfall, P1 (100 - 2.74 inches NOAA Rainfall Data (Appendix A) Storm Runoff, Q - cfs Q = CIA Weld County Planning and Building Department Page 4 Basin Conditions The footprint of the solar facility and access drive is considered to be the subject drainage area under both existing and proposed conditions. The existing condition basin (identified as basin X1 on Figure 1) was analyzed to calculate the peak runoff for the design storm using an imperviousness percentage of 25%. This percentage is based on the soil type and existing conditions of the site. The proposed condition basin (identified as basin Al on Figure 1) was analyzed to calculate the peak runoff for the design storm using an impervious percentage of 25.26%. This percentage is based on the majority of the site remaining as 25% impervious, 0.01 acres changing to 100% impervious (concrete pad area) and 0.22 acres changing to 40 percent impervious (access drive area). It should be noted that the tracking solar panels are not classified as impervious surface because precipitation falling on the solar panels will shed onto the undisturbed vegetated surface below. Stormwater Runoff The stormwater runoff for existing and proposed conditions is calculated based on the Rational Method. The 100 -year, 1 -hour storm event was analyzed for basins Al and Xl. The flow path for the basins is generally from southwest to northeast toward the Godfrey Ditch depression located northeast of the site. The average ground surface slope across the flow path is 0.5% to 2%. The time of concentration to this point was calculated using MHFD equations are summarized below and can be found on the MHFD Peak Runoff Prediction by the Rational Method in Appendix A. The Runoff Coefficients are also included in the MHFD Peak Runoff Prediction by the Rational Method and are summarized below. Basin Concentration (Min) Runoff Coefficients (Cioo) Time of X1 67.25 0.59 Al 67.07 0.59 The precipitation data used for the 100 -year, 1 -hour storm event is based on NOAA rainfall data from the Project site and is included in Appendix A. Per the Basin Runoff Calculation (MHFD Peak Runoff Prediction by the Rational Method) included in Appendix A the 100 -year runoff flows are as follows: Basin Q,00 (cfs) X1 48.45 Al 48.63 Net +0.18 Under developed conditions, runoff will follow existing drainage patterns, will not significantly increase peak flows (increase from 48.45 cfs to 48.63 cfs). Weld County Planning and Building Department Page 5 Summary The following list summarizes key components of the Project and findings related to land disturbance and storm water impacts. 1. Installation of the solar facility will temporarily disturb the ground surface within the 32.25 -acre Project area. Grubbing may be required to provide appropriate conditions for seeding. It is intended for the vegetation throughout the site to be improved as a result, therefore is not considered land disturbance. The concrete pads and drive isles will be grubbed, but grading is not anticipated. 2. The areas considered impervious (100 percent impervious 464 sf concrete pads) or semi -impervious (40 percent impervious 9,526 sf gravel access drive) total 4,274 of equivalent imperviousness. As such, applicant is falling under Section 8-11-140 (I) of the Weld County Drainage Criteria that allows exemption of detention requirements. 3. Under existing conditions, the peak flow originating from the solar facility area for the 100 yr — 1 hr storm event is 48.45 cfs. 4. Under developed conditions, the peak flow originating from the solar facility area for the 100 yr - 1 hr storm event is 48.63 cfs. 5. Since the land disturbance is less than 1 acre, a CDPS storm water certificate issued by CDPHE is not required for this Project. 6. Installation and operation of the solar facility is not expected to impact existing drainage patterns or flow rates on or around the Project site. Runoff water quality will not be impacted by the solar facility components. 7. The Project design will adequately protect public health, safety and general welfare and have no adverse effects on Weld County 35 right-of-way or offsite properties. We trust that the information provided is acceptable and complete. Please let me know if you have any questions or require additional information. Please contact me at rick.hagmayer@enertiacg.com or (609) 234-5502 should you require additional information. Sincerely, EN'z0T' n rnniei II Ric Se 'me IROUP, LLC Appendix A Reference Documents • FIRM Map • USDA Soils Report • Project Drainage Map • Basin Runoff Calculations • Project Vicinity Map NOTES TO USERS Tres map is for use in administering the National Flood Insurance Program it does not nsonssi* y Ioert*y all west tad to footing. Pena a,ly row our dlanlgo sources of wee are The coinatunay sap top ederf snow be canwlted fat swsab s updated v a00aww Rood hazard nlorrhaten To obtain more oewiw weormas n on arse were See Flood Eln*" (WEsl ender hoodaays have bran daemonic* users we encouraged to cort.iw Ito ROW Ameba and F,utatw.y Dais edits Summery df Shreds Elevens tablas umlauted within the Flood treat. Study (FLS) Report torah eccstlean s INe FIRM Users should be swore that Ifs Mown on the FIRM reptesert founded wholistoa Wlvdais T hoe BFEs me tMsndsd for Rood insurance tang papaws only end should not be used as the ea wawa of flood elevation ilantaeat *castanet, fk.rl Sevatson dam pesentet U. the =lS Report ►•hold be trifled n cat sundial with IM %IRM WI puritan of cure tuion antes abodpksn management Coastal Base flood Elsvaflar stain on this map Apply only landward d e Ci North Ame.tan once Datum or 1411E (NAYD p1 (hen of Iris FiRM MUuld be toss Ira coats hoof Menalons as a 1110 Wowed in the Si:m'nwy d %ewew Favahont able n tore Flood Innate Sheer R.pon for M s 11•,sd.cbon Flevr,ons shown ,r Ito S.inr y of Silawaa FMva,ons tads should be used for consnudtn soda Ilbodpein management pulsate when they ate taunt than tl,e slsvrlpts Pawns an I'we FINN Swan of no flo0dwey5 roe compact et vote ardo•1t end a 'terptllated Oetween cross tedicns be todt.eyI We based on nydralic OOnebe•SAM .eh wpm to rpuremaYs of the Naonel Four k.an rtes Program rkllldwey lane end case' petVcnt hoodw*y tore we oityndsA in the FpoC Ineurwwe Study motion nor tine nalt•4ctan Certain won not wl Special Floor) Ha:aC Areas may oe protected by hood control mummy, ReSet to Season 2 4 t loud Protection Mesta.• of the F lord Inwrwar Study Rayon to. 1Mamstor. on Iklad control skWusa for Ma turectscbtntl The proj*caon used In the drepranan of taw map vs :;nasal Teasley se Mwaaor rUTMi zone 1J Tor betItordal dabs wee MAC SJ. 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MVOs Or S's era a t16aaK an lac its a Nowt) Use The Map Number .n:.•n Sow smaad be used tenor: p1Xrn2 ' n,,L Uet lie Community Mumbo, Waal itc,ro .nadd be used no r•vna...• a Ca'.,,,t icy Its salad Oaralrlun41 MAP NUMBER O8123C1726E EFFECTIVE DATE JANUARY 20, 2016 Federal Flamm" Nasglrseas tom) 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 March 15, 2022 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.nrcs.usda.gov/wps/ portal/nrcs/main/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (https://offices.sc.egov.usda.gov/locator/app?agency=nrcs) or your NRCS State Soil Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/? cid=nrcs142p2_053951). 142p2_053951). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Web Soil Survey, the site for official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require 2 alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface 2 How Soil Surveys Are Made 5 Soil Map 8 Soil Map (Loefler Parcel) 9 Legend 10 Map Unit Legend (Loefler Parcel) 11 Map Unit Descriptions (Loefler Parcel) 11 Weld County, Colorado, Southern Part 13 3—Aquolls and Aquents, gravelly substratum 13 68—Ustic Torriorthents, moderately steep 14 References 16 4 How Soil Surveys Are Made Soil surveys are made to provide information about the soils and miscellaneous areas in a specific area. They include a description of the soils and miscellaneous areas and their location on the landscape and tables that show soil properties and limitations affecting various uses. Soil scientists observed the steepness, length, and shape of the slopes; the general pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. They observed and described many soil profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The profile extends from the surface down into the unconsolidated material in which the soil formed or from the surface down to bedrock. The unconsolidated material is devoid of roots and other living organisms and has not been changed by other biological activity. Currently, soils are mapped according to the boundaries of major land resource areas (MLRAs). MLRAs are geographically associated land resource units that share common characteristics related to physiography, geology, climate, water resources, soils, biological resources, and land uses (USDA, 2006). Soil survey areas typically consist of parts of one or more MLRA. The soils and miscellaneous areas in a survey area occur in an orderly pattern that is related to the geology, landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous area is associated with a particular kind of landform or with a segment of the landform. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they were formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. Commonly, individual soils on the landscape merge into one another as their characteristics gradually change. To construct an accurate soil map, however, soil scientists must determine the boundaries between the soils. They can observe only a limited number of soil profiles. Nevertheless, these observations, supplemented by an understanding of the soil -vegetation -landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to determine the boundaries. Soil scientists recorded the characteristics of the soil profiles that they studied. They noted soil color, texture, size and shape of soil aggregates, kind and amount of rock fragments, distribution of plant roots, reaction, and other features that enable them to identify soils. After describing the soils in the survey area and determining their properties, the soil scientists assigned the soils to taxonomic classes (units). Taxonomic classes are concepts. Each taxonomic class has a set of soil characteristics with precisely defined limits. The classes are used as a basis for comparison to classify soils systematically. Soil taxonomy, the system of taxonomic classification used in the United States, is based mainly on the kind and character of soil properties and the arrangement of horizons within the profile. After the soil 5 Custom Soil Resource Report scientists classified and named the soils in the survey area, they compared the individual soils with similar soils in the same taxonomic class in other areas so that they could confirm data and assemble additional data based on experience and research. The objective of soil mapping is not to delineate pure map unit components; the objective is to separate the landscape into landforms or landform segments that have similar use and management requirements. Each map unit is defined by a unique combination of soil components and/or miscellaneous areas in predictable proportions. Some components may be highly contrasting to the other components of the map unit. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The delineation of such landforms and landform segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, onsite investigation is needed to define and locate the soils and miscellaneous areas. Soil scientists make many field observations in the process of producing a soil map. The frequency of observation is dependent upon several factors, including scale of mapping, intensity of mapping, design of map units, complexity of the landscape, and experience of the soil scientist. Observations are made to test and refine the soil -landscape model and predictions and to verify the classification of the soils at specific locations. Once the soil -landscape model is refined, a significantly smaller number of measurements of individual soil properties are made and recorded. These measurements may include field measurements, such as those for color, depth to bedrock, and texture, and laboratory measurements, such as those for content of sand, silt, clay, salt, and other components. Properties of each soil typically vary from one point to another across the landscape. Observations for map unit components are aggregated to develop ranges of characteristics for the components. The aggregated values are presented. Direct measurements do not exist for every property presented for every map unit component. Values for some properties are estimated from combinations of other properties. While a soil survey is in progress, samples of some of the soils in the area generally are collected for laboratory analyses and for engineering tests. Soil scientists interpret the data from these analyses and tests as well as the field -observed characteristics and the soil properties to determine the expected behavior of the soils under different uses. Interpretations for all of the soils are field tested through observation of the soils in different uses and under different levels of management. Some interpretations are modified to fit local conditions, and some new interpretations are developed to meet local needs. Data are assembled from other sources, such as research information, production records, and field experience of specialists. For example, data on crop yields under defined levels of management are assembled from farm records and from field or plot experiments on the same kinds of soil. Predictions about soil behavior are based not only on soil properties but also on such variables as climate and biological activity. Soil conditions are predictable over long periods of time, but they are not predictable from year to year. For example, soil scientists can predict with a fairly high degree of accuracy that a given soil will have a high water table within certain depths in most years, but they cannot predict that a high water table will always be at a specific level in the soil on a specific date. After soil scientists located and identified the significant natural bodies of soil in the survey area, they drew the boundaries of these bodies on aerial photographs and 6 Custom Soil Resource Report identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. 8 Feet 0 250 500 1000 1500 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 9 Custom Soil Resource Report MAP LEGEND Area of Interest (AO!) Area of Interest (AO1) Soils C Soil Map Unit Polygons Soil Map Unit Lines Soil Map Unit Points Special Point Features Y . Blowout r, O 0 v •m 4 4 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 Sodic Spot a Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background iair°§1 Aerial Photography MAP INFORMATION The soil surveys that comprise your AOI 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: 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 -MRCS certified data as of the version date(s) listed below. Soil Survey Area: Weld County, Colorado, Southern Part Survey Area Data: Version 20, Aug 31, 2021 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Jul 19, 2018 -Aug 10, 2018 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. 10 Custom Soil Resource Report Map Unit Legend (Loefler Parcel) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 3 Aquolls and Aquents, substratum gravelly 58.4 99.9% 68 Ustic Torriorthents, moderately steep 0.0 0.1% Totals for Area of Interest 58.5 100.0% Map Unit Descriptions (Loefler Parcel) The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it 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, 11 Custom Soil Resource Report onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha -Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. 12 Custom Soil Resource Report Weld County, Colorado, Southern Part 3 Aquolls and Aquents, gravelly substratum Map Unit Setting National map unit symbol: 3627 Elevation: 4,000 to 7,200 feet Mean annual precipitation: 12 to 18 inches Mean annual air temperature: 45 to 55 degrees F Frost -free period: 80 to 155 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Aquolls Setting Landform: Swales, streams, flood plains Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile HI - 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 Drainage class: Poorly drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: About 6 to 48 inches Frequency of flooding: FrequentNone Frequency of ponding: None Maximum salinity: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) Available water supply, 0 to 60 inches: Moderate (about 8.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D Ecological site: R067BY035CO - Salt Meadow Hydric soil rating: Yes Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down -slope shape: Linear 13 Custom Soil Resource Report 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 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: FrequentNone Frequency of ponding: None Calcium carbonate, maximum content: 10 percent Maximum salinity: Nonsaline to moderately saline (0.0 to 8.0 mmhos/cm) Available water supply, 0 to 60 inches: Moderate (about 6.6 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (non irrigated): 6w Hydrologic Soil Group: D Ecological site: R067BY035CO - Salt Meadow 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 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 Custom Soil Resource Report Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Ustic Torriorthents 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 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 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum content: 5 percent Maximum salinity: Nonsaline to very slightly saline (0.0 to 2.0 mmhos/cm) Available water supply, 0 to 60 inches: Very low (about 1.8 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (non irrigated): 7s Hydrologic Soil Group: A Ecological site: R067BY063CO - Gravel Breaks 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 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. N ational 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.nrcs.usda.gov/wps/portal/ nres/detai I/national/soils/?cid=nres 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 res142p2_053577 Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http:// www.nres.usda.gov/wps/portal/nres/detail/national/soils/?cid=n res142p2_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. U nited States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. U nited States Department of Agriculture, Natural Resources Conservation Service. N ational forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/ home/?cid=nrcs142p2_053374 U nited States Department of Agriculture, Natural Resources Conservation Service. N ational range and pasture handbook. http://www.nrcs.usda.gov/wps/portal/nrcs/ detail/national/landuse/rangepastu re/?cid=stelprdb 1043084 16 Custom Soil Resource Report U nited States Department of Agriculture, Natural Resources Conservation Service. N ational soil survey handbook, title 430 -VI. http://www.nrcs.usda.gov/wps/portal/ nres/detai I/soils/scientists/?cid=nres 142p2 054242 U nited States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/? cid=nrcs142p2_053624 U nited States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nres.usda.gov/Internet/FSE_DOCUMENTS/nres142p2_052290.pdf 17 1 t if III!! e iJ y ; *ale ' 'k1^ . "w• ' -�- fir' ' ,, t - _,. O D !jj, lit .... 4 ..-._ V . • POiS I P --,Ea= "'a�!!i WELD COUNTY ROAD 35 �_ =,�r_ --,.. _ a I 1 if I I• to I, �: a a I I 1 ! [ I! 1, iii, O ellege !!!!!!111111 CIi t 7j I sek ..../\ �, tai $ , \ O �~ •ip 1 =`�, .. .. i kt in ll r lid I =r., I f — �s�F IIIIII, , , ',pi, it, - wk Runoff using A. � I ,,... 4s _ • a' � I � I 3 - L' �� 1.a0 Cr Sala Y t yell f I a : ;Zit Y a t II'!!e a s Ps t 4 ; li :II...g r Jr"( t T 7 I i I :. 11;I s i I S ; r; -' x X O r- m • P, r 7 LL m Z o CE *T' r r1 s`! I. a Q ## i ; F 1 a p lee re Ta it ;AL DESCRIF ' _ 1 I s e]s at Z." t 4 a• ga is $� " — .7 1I c s R gg = CIt 1e; .4m z 1 x F O X X r.- S l c I W T M t m -4 g ;41m DATE APRIL 13. 2023 C x � 2A - < . I• n PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL wan CO NJTY C0L0ADO 1 1" Pivot \wi Energy • 750 15TH ST SUITE 400 DENVER CO 80242 _ ; ENERTIA litIIN6 OtOUP La 1515 MARKET STREET DENVER Co1oRADor 02 OVERALL DRAINAGE AREA MAP NO. DATE REVISION DSGNre PIVOT DR NS CMK RHAPVD RH ANO THE IDEAS AND DESIGNS P CORPORATEU HEREIN. AS AN WSYRUYENT OF PR0'E.SSIONAL SERVICE IS flit PROPER'v O$ ENFR•N CONSULTING GROW AND IS NOT TO SE USED IN WHOLE OR W PART FOR ANY OTHER PROJECT WITHOUT THE WRITTEN AUTHORIZATION Of ENERTIA CONSUL TING GROUP Calculation of Peak Runoff using Rational Method Designer: RICK HAGMAYER Company: ENERTIA CONSULTING GROUF Date: 4/24/2023 Project: PIVOT SOLAR ON LOEFFLER PARCEL Location: WELD COUNTY Version 2.00 released May 2017 Cells of this color are for required user -input Cells of this color are for optional override values Cells of this color are for calculated results based on overrides t 5033 0.395(1.1 - CO).jt Lt Lt ti 60K, 60V1 Computed t =t,+tt Lt Regional t = (26 — 17i) + 60(141+ 9).\i S t 5 (urban) trr,lr,Irr,ur„= 10 (non -urban) Selected t, = max(tr,,;u;u,um , min(Computed t , Regional t )j Seleci UDFCD location for NOAA Atlas 14 Rainfall Depths from the pulldovm list OR enter your own depths obtained from the NOAA website (click this link) 1 -hour rainfall depth, P1 (In) = Rainfall Intensity Equation Coefficients = 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr 0.85 1.12 1.40 a b c 28.50 10.00 0.786 1.86 2.27 2.74 a - Pt I(in/Itr) _ (b + tc)° 4.04 Q(cfs) = CIA Subcatchment Name Area (ac) NRCS Hydrologic Soil Group Percent Imperviousnes s Runoff Coefficient, C Overland (Initial) Flow Time Channelized (Travel) Flow Time Time of Concentration Rainfall Intensity, I (in/hr) Peak Flow, Q (cis) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr Overland Flow Length L, (ft) U/S Elevation (ft) (Optional) D/S Elevation (ft) (Optional) ( p Overland Flow Slope S, (ft/ft) Overland Flow Time t, (min) Channelized Flow Length L, (it) U/S Elevation (ft) (Optional) D/S Elevation (ft) (Optional) ( P ) Channelized Flow Slope Sr (Ft/ft) NRCS Conveyance Factor K Channelized Flow Velocity V, (ft/sec) Channelized Flow Time t, (min) Computed t�(min) Regional tc(min) Selected t, (min) 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr Al 32.25 D 25.26 0.18 0.24 0.32 0.46 0.52 0.59 0.67 60.00 0.020 9.56 2413.00 0.005 5 0.35 113 75 123.31 67 07 67.07 0.79 1.05 1.31 1.74 2.13 2 57 3.79 4.56 8.15 13.44 25.88 35.52 48.63 81.50 X1 32.25 D 25.00 0.18 0.24 0.32 0.46 0.52 0.59 0.67 60.00 0.020 9.58 2413.00 0.005 5 0.35 113.75 123.33 67.25 67.25 0.79 1.05 1.31 1.74 2.12 2.56 3.78 4.50 8.07 13.33 25.75 35.37 48.45 81.25 Area -Weighted Runoff Coefficient Calculations Version 2.00 released May 2017 Designer: RICK HAGMAYER Company: ENERTIA CONSULTING GROUP Date: 4/24/2023 Project: PIVOT SOLAR ON LOEFFLER PARCEL Location: WELD COUNTY Subcatchment Name Al LE GEND : Flow Direction C at chni eat B oimday e Cells of this color are for required user -input Cells of this color are for optional override values Cells of this color are for calculated results based on overrides See sheet "Design Info" for imperviousness -based runoff coefficient values. Sub ID -Area Area (ac) Hydrologic Soil MRCS Group Imperviousness Percent Runoff Coefficient, C 2-yr 5-yr 10-yr 25-yr 50-yr 100-yr 500-yr ACCESS 0.22 D 40.0 0.30 0.36 0.43 0.54 0.59 0.65 0.71 PADS 0.01 D 100.0 0.83 0.85 0.87 0.88 0.89 0.89 0.90 FIELD 32.02 D 25.0 0.18 0.24 0.32 0.46 0.52 0.59 0.67 32.25 Total Area (ac) 32.25 Area Area -Weighted -Weighted C Override C 0.18 0.24 0.32 0.46 0.52 0.59 0.67 0.18 0.24 0.32 0.46 0.52 0.59 0.67 1 PIVOT SOLAR LOEFFLER PARCEL PROJECT a 1529 MARKET STREET E N E RTI SUITE 200 DENVER, CO 80202 LitASULliNu JARM P LLC (720) 250-8305 FIGURE 1 - PROXIMITY MAP PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELD COUNTY, COLORADO DATE: 3/21/2022 SCALE: 1" = 2,000' BY: NS FLOOD HAZARD DEVELOPMENT PERMIT (FHDP) APPLICATION DEPARTMENT OF PLANNING SERVICES * 1555 N. 17TH AVENUE * www.weldgov.com GREELEY, CO 80631 * 970-400-6100 * FAX 970-304-6498 FOR PLANNING DEPARTMENT USE: AMOUNT $ APPLICATION RECEIVED BY DATE RECEIVED: CASE # ASSIGNED: PLANNER ASSIGNED: Parcel Number 1 ME 5 7 _ 0 1 0 0. 0 0 4 1 (12 digit number - found on Tax I.D. information, obtainable at the Weld County Assessor's Office www.weldqov.com). Address 23896 County Road 35 Legal Description W2NW4 1 4 66 N OF LOWER LATHAM DRAINAGE C, Section 1 , Township 4 N, Range 66 W Waterway Name South Platte River Floodzone A fr- AE AH AO Flood Insurance Rate Map (FIRM) Panel # 08123C- 1726E, 1730E Project located in designated floodway? Yes FEE OWNER(S) OF THE PROPERTY: N ame: Jerry Loeffler Parcel size 28.14 acres No Zoning AG If yes, a "No Rise" certificate is required. Company: Phone #: Street Address : Email: 23896 County Road 35 City/State/Zip Code: La Salle, CO 80645 APPLICANT OR AUTHORIZED AGENT: (See Below*: Authorization must accompany all applications signed by Authorized Agent) N ame: Kyle Sundman Company: Pivot Energy LLC Phone #: Street Address : 1750 15TH ST, SUITE 400, Email: KSUNDMAN@PIVOTENERGY.NET City/State/Zip Code: DENVER, CO 80202 Type of Proposed Development: (Please check all that apply) Residential Home New Construction Addition or Improvements In Subdivision Fill Material Subdivision Non -Residential New Construction Addition or Improvements Fill Material Watercourse Alteration la ir _ Other (pipeline, tank battery, etc.) Solar Facility Manufactured of Mobile On Single Lot In Mobile Home Park Fill Material In Mobile Home Description of Proposed Development**: 5MW Solar Facility **Attach a detailed narrative of the project to this application. 2/2/2023 S ignature: Owner or Authorized Agent Date Print: Owner or Authorized Agent Signature: Owner or Authorized Agent Date Print: Owner or Authorized Agent Rev 7/2021 *If an Authorized Agent signs, a letter of authorization from all fee owners must be included with the application. If a corporation is the fee owner, notarized evidence must be included showing the signatory has to legal authority to sign for the corporation. I, (We), Jerry Loeffler DEPARTMENTS OF PLANNING BUILDING, DEVELOPMENT REVIEW AND ENVIRONMENTAL HEALTH 1555 NORTH 17TH AVENUE GREELEY, CO 80631 AUTHORIZATION FORM , give permission to Pivot Energy LLC (Owner — please print) (Authorized Agent/Applicant—please print) to apply for any Planning, Building, Access, Grading or OWTS permits on our behalf, for the property located at (address or parcel number) below: Parcel: 105701000041 Legal Description: W2NW4 1 4 66 N OF LOWER LA of Section 1 , Township 04 N, Range 66 W Subdivision Name: Property Owners Information: Address: 23896 County Road 35 Lot Block Phone: E-mail: Authorized Agent/Applicant Contact Information: Address: 1750 15th St, Suite 400 Denver, CO 80202 Phone: E -Mail: Correspondence to be sent to: Owner Additional Info: Authorized Agent/Applicant by: Mail Email I (We) hereby certify, under penalty of perjury and after carefully reading the entire contents of this document, that the information stated above is true and correct to the best of my (our) knowledge. Date Owner Signature Owner Signature Date Subscribed and sworn to before me this day of , 20 by My commission expires Notary Public FLOODPLAIN DEVELOPMENT PERMIT (FHDP) PROCEDURAL GUIDE CHECKLIST DEPARTMENT OF PLANNING SERVICES * 1555 N. 17T" AVENUE * GREELEY, CO 80631 www.weldgov.com 970-400-6100 * FAX 970-304-6498 APPLICATION REQUIREMENTS: (Weld County Code Section 23-11-350.C.) Per 44CFR 60.3(a), Floodplain Development Permit applications submitted for review shall include, at a minimum, the following information. Applications containing less than the specified requirements shall not be accepted for review unless the applicant has submitted to, and had approved by, the floodplain administrator written justification as to why a particular requirement does not pertain to the proposed development. Submit one hard copy and/or one electronic copy of the below documents A completed Floodplain Development Permit application (attached). An explanation of how the standards in Chapter 23, Article XI have been or will be met. Also, V sign the attached affidavit and keep the Standards for your reference. A floodplain map showing the location of the site. See page 5 of this packet for map requirements. A Certification Form stamped and signed by a registered Colorado professional engineer. Detailed narrative of the project including the floodzone, the Base Flood Elevation, and a list of all the proposed structures. State how the structures will be floodproofed - elevated, anchored, vented, etc. State how the electrical will be floodproofed. N/A Detailed pipeline information including the diameter of the pipe, the product being conveyed, the purpose of the pipeline, the floodzone the pipeline crosses through, the depth that the pipeline will be below grade, if applicable. State if the pipeline is adjacent to or perpendicular to the water way. N/A If applicable, a certificate from a registered professional engineer licensed in the State that the non-residential floodproofed structure shall meet the floodproofing criteria listed in the Weld County Code Chapter 23 Article XI. N/A If applicable, a pre -construction elevation certificate shall be submitted with the Floodplain Development Permit application. A during construction elevation certificate as well as an as - built elevation certification will be required prior to receiving a certificate of occupancy or final building permit approval for the structure. The elevation certifications shall be submitted on the most current FEMA Elevation Certificate (expiration of 2022). N/A For houses and habitable structures, an elevation drawing delineated with the appropriate architectural scale, which clearly depicts the elevation of the inner/outer grade, height of the crawlspace, and lowest floor of the proposed and existing structures in relation to the Base Flood Elevation. The lowest floor (first habitable level) of the building must be one foot above the Base Flood Elevation. V Deed ON FILE Authorization Agent form completed by the property owner, executed easement document, or executed right-of-way document. N/A Electronic copies of hydrologic and hydraulic computer models (i.e. HEC-RAS). FLOODPLAIN DEVELOPMENT PERMIT Updated July 2021 ✓ Electronic copies. Submit the entire all paperwork on a jumpdrive, via FTP, or emailed to asnyder@weldgov.com ordaungst@weldgov.com. N/A If applicable, a description of the extent to which any watercourse or natural drainage will be altered or relocated as a result of proposed development; and ✓ Any other relevant information which may be required by the Floodplain Administrator to determine that the proposed project has gained the appropriate Federal, State, and County approvals (e.g. wetland permits, septic permits, etc.). KYLE SUNDMAN Application fee $180.00 N/A Investigation fee $90.00, due only if this is a violation. In an effort to increase efficiency and reduce Weld County staff time involved in re -binding applications the complete application packet shall be bound with binder clips only and all maps are to be folded. Applications bound in any fashion other than binder clip (spiral bindings, three ring bindings, etc.) will require additional review time and may be returned to the applicant without review. FLOODPLAIN DEVELOPMENT PERMIT Updated July 2021 ENERTIA CONSULTING GROUP LLC April 10, 2023 Weld County Planning and Building Department 1555 N 17th Ave Greeley, CO 80631 1515 Market St Denver, CO 80202 (720) 792-3917 rick.hagmayer@enertiacg.com RE: Floodplain Development Permit (FHDP) USR23-0008: Pivot Solar 36 South of Weld County Road (WCR) 394 & East of Weld County Road (WCR) 35, Weld County To whom it may concern: I. Introduction In fulfillment of the Weld County USR permitting requirements, Enertia Consulting Group (Enertia) has completed this narrative as a supplement to the Floodplain Development Permit (FHDP). The following narrative summarizes how the County standards located in Chapter 23, Article XI have been met for this development. The proposed project is located on an approximate 28.14 -acre project site within a larger 66 -acre parcel along the east side of WCR 35, south of WCR 394 (on Weld County Parcel No. 1105701000041-R4376086) in Section 1, T4N, R66W. The Pivot Solar 36 project shall generally include: a 5MW solar facility with approximately 2,500 tracking solar panels mounted on steel H - beams; concrete pad mounted inverters and transformers; an access drive with emergency turn- around and perimeter fence with gate. II. Floodplain The applicable FIRM Map (No. 08123C -1726F and 1730F), included herein, indicates that PS36 is located within the Zone AE floodplain which is within the 100-yr floodplain, or the area with a 1.0% annual chance of flooding. The base floodplain elevations were provided by Weld County via a screenshot of the County GIS services. The values were added to the site plan with reference to the existing elevations generated via survey. The water depths shown on the floodplain Map range from 1.5ft to 4.6ft as shown on Figure 1. A value of 4.6ft was used to determine the calculated floodwater depth across the entire site. Weld County Planning and Building Department Page 2 III. Facilities within Floodplain As shown on Figure 2, the panels and conduit will be installed at least 1ft above the 100-yr FEMA floodplain. The transformer pads will be installed on concrete pads. The top of concrete elevation is 1ft above the floodplain elevation, or at least 5.6ft above the existing ground. Additionally, there are anticipated to be underground voltage lines throughout the development. Medium and High voltage cables are designed to be direct buried, often in areas where they will be below the water table or permanently in a wet environment. Minimum bury depths are expected to be 30", as required. IV. Floodplain Impacts by Development The volumes associated with the constructed facilities within the floodplain include: • H -piles will add 12.5ft3 [0.005 ft3 per pile x 2500 piles (4 panels per pile)] • Concrete pads will add approximately 291.2 ft3 of concrete (52 ftz x 5.6ft height). The solar panels and associative electric conduit will be placed 1 ft above the 100 -year water surface elevation, therefore will not contribute to displacement volumes within the floodplain. In summary, the negligible (305ft3) increase in volume in the floodplain does not appreciably affect the 7,500ft wide floodplain at Parcel 1105701000041. We trust that this narrative for FHDP for Pivot 36 Solar Facility is acceptable and complete and provides sufficient explanation as to how the standards in Chapter 23, Article CI have been met. Please contact me at rick.hagmayer@enertiacg.com or (609) 234-5502 should you require additional information. Sincerely, PMPPTIA CnMSULTING GROUP, LLC Jr , PE oenior rroject Manager Chapter 23 Article XI Division 4 - Standards I have read and understand the Standards in Division 4 of Chapter 23 Article 11 of the Weld County Code. Per my signature below I have received a copy of the Standards and the development in the floodplain that is described in my Floodplain Permit will remain in compliance with the afnrPmentioned section of the Weld County Code. / / Signature: Name Print: Richard Hagmayer, PE Date: 4/18/2023 WA DEPTH 17 51 WA TER DEPTH 29/ OWER LATHAM DRA.INAG DITCH. 1, T4N, R66W CF THE 6TH P.M., I 1515 MARKET STREET DENVER, ME (6 9)2 340 80202 5502 CONSULTIf4L CROUP Li" PARCEL': 095936000009 OWNER:. JERRY L. LOEFFLER 1665 WATER DEPTH (X0 WATER DEPTH (16% FIGURE 1 - FLOODPLAIN MAP PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELD COUNTY, COLORADO PARCEL: 095936000010 OWNER: PHYLLIS BURKGREN PARCEL: 095936000040 OWNER:. PHYLLIS BURKGREN DATE: 04/10/2023 SCALE: 1" = 150' BY: KT MAXIMUM TILT HEIGHT ABOVE GRADE MODULE AT MAXIMUM TILT - r INDUSTRY STANDARD SINGLE -AXIS TRACKING SYSTEM DRIVEN STEEL _ SUPPORT COLUMNS MAXIMUM FLOODPLAIN WATER DEPTH ONSITE4' \I‘ p \ 4 1.0' MIN 4.6' MODULE AT HORIZONTAL 5.6' MIN AS REQUIRED EXISTING _ !' GROUND PV ARRAY RACKING SYSTEM NOT TO SCALE NOTE: * FINAL DIMENSIONS SUBJECT TO FINAL DESIGN. * ELECTRIC INFRASTRUCTURE IS LOCATED ON THE MODULES, WITH AT LEAST 1 FT OF FREEBOARD ABOVE THE FEMA FLOODPLAIN WATER SURFACE ELVATION 1515 MARKET STREET F. NI _ RT I DENVER, (609)2CO 80202 34-5502 I CONSULTING GROUP LLC FIGURE 2 - 100-YR FEMA FLOODPLAIN ELEVATION PIVOT ENERGY SOLAR FARM ON LOEFFLER PARCEL WELD COUNTY, COLORADO DATE: 04/10/2023 SCALE: NTS BY: KT NOTES TO USERS The 'np 4 to use in administering de Naf onsi Flood Insurance Progisn n doss not necessarily Identity as areas lutyed b rood no parecuteey from ocal drape sowces ce smell lire The coenawe*y map repository stnitu be consulted to possible %dr3eed or eadecral nOod retard .dprme:pn To aeala more ortne0 ato isaon n eta wires Bate Flood Elev.tblte IBrEU etas Noodeeys meet been dstsrnnd toasts Ste erlo..re$W kg comae the Flood Proem and Fgpdna, Des sr.d'a Summary of Str tact FJemeon• taAlas oedeeed wslsn Ihe Flood lessee Study fFet Rpat Val aoc.ngr.se Mhos FIRM Users shoed be went eat BFEt sheen en the FIRM represent rounded rRtde-row arevebone Thar BFE, at. 'ntraded tog food :ne.aana lag putt loess any end dual not be tees as the low sow s d flood ela Lion roe noon Acton:lapis float Sevabon See peened n me '15 ReVad ►'weed be dieted in OorpdictiO `ooh the =1RM tut papas te aawevnion & ax kabala rna eatinen Corral Saes Flood Elevations shown on the map apply only enowwrd of 0 0' Nat' Amwncen Yerecal Datum di 1918 (NAV& eat Users d tea FIRM should be nee Utel costal flood elevations ate oleo peoa.ded in the Summery of Sbewalr F.eveons bible n the Fkxtd insurance Study Repots la the )unedirmon Elevalgne threw' sir lea Summery at Sidle nr"1 Fievetons table should be used for construction analog noodpatn memedemeM purposes stir they vs natter than the enesneots shown on les FIRM bounden or the booOseys were computed a wee sections end a.:e.pnated Wan won saCYOne 1M toodways were Dosed on radiate& :oneowr.i-n.s .itth roper° to rpdrrrardi of the Hallo er Flood inswi n(e Program Felinity Ardths end Wet ta/Mr4 Moodier O01a es P.awes0 in the Florio Ineutenos Stoop P 000 Ng this Wn.4c4on Callan rem not in Spice flood hated Areas may te ptosIaed by Rood &antral •tNCLWes Rees to Semen 2 4 'flood Proedton Menunte- a Ire Flood Inewance `iudr Retort tar mtanille sit lo©4 catil Mn.a'on for Un 1weddcMm The PVOJecbon used M dal ttnpraaon a this map wed unwires Tires se Mrcaa( Right' tone 13 The eetede ud dabs .nee NAD a3. GAS 1910 dphe.od (MMeninces ten deem- spnemid peolecbon or U TM totes used in is teahtattri it RIRMS tut athwart yMIvhteotn may red.1 in saON posais 1alerrlOes in neap (eawee avos. jon*Stbon bounder's, These dilerenan do not &nett Me scow et, el nos FIRM Florid ereVal&NII on this map sit Isfetsnced to the Mxth AJrenain Anal Daum it n &ha These flood elabaa must is uvnparvd tr.: ter retur s end plau ld edeenu aisranced leIM same vertical dturn For nkamsem reperding canweratin between Ihe National Geodetic: aortal Datum d Ie2Y and the North Amman tires Datum of 1918 nos fie Nails Ge00Itc Survey in ea et MID b het riellta0y a canes the Natal Geodetic Survey a the tolow,np address FIGS Itfaneean Se. -a s NOAH WNGST2 Ptetonal Gaowec Survey SSMC. ail"A2 13tS Eaet•NIesI r.ghaay Seer Sap. Maryland 20010.3282 13011 7113242 To Oda oaterd even daeulttaO , sabot & csaOn rnarM9on lot bench meets flown an the map. pear tmtact ale 'munition Set aces &rtin of the Nations Geodetic Survey at (301) 713. 3242. Or wart toe webelta 0 ran i wsw Pas nos AIRY Bees mop latormetatn shown on the FIRM wet°awed Irom NAP Ontcpootopapt? Wodwad weh a one mete p,uCnO rnsautton hum photography dated 3013. The pion* baeennne dews sO tin me mop mermen' pm hydraulic nwOsbtg beaalrs that north Its hood prole a ore FIS report As a rate of irnorovsd topographic data. the prattle baseline on some Cases May dame sanlrany from rna tr a tw o•nedw * Of aye outside the SENA This map recta mars nslaed and „alt -tea stream channel COMburino s than mote shown on the previous F to tea NitabOction Toe llocatens and 'bodsaps via was ktweSen.d from the taw.an FIRM may have been alma b cordaro to these new tee's channel t'rfgaSans As a rnit. The Flood Noises std Frectas.ay Data to lee Its neau e. sheens a tn. Food Iaki nee %dy Report Swhch Carew sa'naclYve hydnNc dal) may maw stream Crlemte osbt%rte the der from whet as shown on lies niap Corporate Meals thereto on Iris 'nap are based on vie feet Beta eyatsba a: the time d Lub cation tlecausa changes eke TO snes*ant w de- ennasabons may have OC:uri 0d after no map wes teut'sshed. map ,reefs .homed Canted apprpnase oommv nsy dtn:wa to Wald current oorparn limn loco rs Please .eaaf to the aeperery paled Map Inches lot an overate ,rap of the County shorn a the layout of nee wets am•nuaity map monitory ado'anas and a Litalg 1tf Corlxtearnaes tap. Goltereng 14*ionw Flood enetawic• Program dales for eat ccl+mrrty as well as • ailing of the panes on what each commune., n &caked for inharnmeon on a/ mebee paht= associated wt V.. It -.s FIRS AA.'. be Yap $ernca1 Calif plea n.tste i' meta .tger y(:1rit OL/Y A-lselable tricautti nay aside peiveuely eeseta] :e'rw.t Nap Charts a flex Inaeana Study Remo s*tx dotal awns at tr.i -tic L' ens re terse patriots car ale crated a obtained data hot the MSC .elate If you hats Western abort Pus map, haw to aver pia:luta mite Nee Flood tna.amas P'og.am n pe'ss pees cam we AMA Map beMrmalbn e Xchenge (/Muq at 1477-MEMA-MAP ,1 en 336 26771 a .ee the FEW awry a rnetew )tow nov'b'./nSNfrjp 104 45 00 40 22 1 t "69'tr*N .rte.. -,N es1$ Ave N 149!0x°'41 Weld Comely Unincorporated Areas 080266 %%old ( ounty l nlmcorponled .%reas 080266 rarer. -_-k Cc 20 3 S" 1M' 4•, 0:7- I its 01E% Mm, 08(1182 '.V?;r. 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Baer/ n rte ►bee wriaw eh wen Ow err peke Ts etein e 4 bed awe* melees r we asee...ytetra ray teen SOMA n tea er Mews Ara asap ayes ►r scri e 1 au. La Sae MAP *calf 1" • 500' to s led 1000 'LiT Yl Tred 100 lie I 1110 PANEL 1726E FIRM FLOOD INSURANCE RATE MAP WELD COUNTY, COLORADO AND INCORPORATED AREAS PANEL 1726 OF 2250 ISEE MAP INDEX FOR F;RN PANEL LAYOUT( MOMS CAE9le !WIWI flats MEM tee pried. ape «a e Salta ern OF stet t!ae s eota sisr 7era era G Name to Use The Map Number /'own Woe shade be used when placing mop cogem tote CaaeemNy Number shown 0o°, Yee d be reed an ineuta ce .paorsleoeis Tor tea Mort • oommun4y MAP NUMBER 08123C1726E EFFECTIVE DATE JANUARY 20, 2010 Fat& Emergent) Ma.amrwnt %srncy , CERTIFICATION I hereby affirm that this Floodplain Development Application was prepared under my responsible charge for the owners thereof and to my knowledge is accurate and adherent to the applicable standards and rules provided by Weld County, Colorado. Signature: FE/ILLS #: 58835 Name Print: Richard Hagmayer Company Name:Enertia Consulting Group, LC Address: 1515 Market St City, State, Zip: Denver, Co 80202 phone: 503-234-5502 E -Mail: Fax: Rick.Hagmayer@enertiacg.com Date: 04/18/2023 Stamp Weld County Treasurer Statement of Taxes Due Account Number 84376086 Parcel 105701000041 Assessed To LOEFFLER JERRY L 23896 COUNTY ROAD 35 LA SALLE. CO 80645-7805 Legal Description Situs Address 16977 W2NW4 i 4 66 N OF LOWER LATHAM DRAINAGE DITCH (2D2R) 23896 COUNTY ROAD 35 WELD Year Tax Interest Fees Payments Balance Tax Charge 2021 $2,218.92 $0.00 $0.00 ($2,218.92) $0.00 Total Tax Charge $0.00 Grand Total Due as of 08/02/2022 $0.00 Tax Billed at 2021 Rates for Tax Area 0141 - 0141 Authority WELD COUNTY SCHOOL DIST RE I NORTHERN COLORADO WATER (NC LASALLE FIRE AIMS JUNIOR COLLEGE HIGH PLAINS LIBRARY WEST GREELEY CONSERVATION Taxes Billed 2021 * Credit Levy Mill Lcvy Amount 15.0380000* $69039 17.1870000* $789.05 1.0000000 $45.91 5.1540000 $236.62 6.3420000 $291.16 3.1970000 $146.78 0.4140000 $19.01 48.3320000 $2,218.92 Values Actual Assessed AG -FLOOD $46,756 $13,560 IRRRIGATED LAND AG -GRAZING LAND $463 $130 FARM/RANCH $311,324 $22,260 RESIDENCE -IMPS OTHER BLDGS.- $34331 $9,960 AGRICULTURAL TAal $392,874 $45,910 ALL TAX LIEN SALE AMOUNTS ARE SUBJECT TO CHANGE DUE TO ENDORSEMENT OF CURRENT TAXES BY THE LIENHOLDER OR TO ADVERTISING AND DISTRAINT WARRANT FEES. CHANGES MAY OCCUR AND THE TREASURER'S OFFICE WILL NEED TO BE CONTACTED PRIOR TO REMITTANCE AFTER THE FOLLOWING DATES: PERSONAL PROPERTY, REAL PROPERTY, AND MOBILE HOMES - AUGUST 1. TAX LIEN SALE REDEMPTION AMOUNTS MUST BE PAID BY CASH OR CASHIER'S CHECK. POSTMARKS ARE NOT ACCEPTED ON TAX LIEN SALE REDEMPTION PAYMENTS. PAYMENTS MUST BE IN OUR OFFICE AND PROCESSED BY THE LAST BUSINESS DAY OF THE MONTH. Weld County Treasurer's Office 1400 N 17. Avenue PO Box 458 Greeley, CO 80632 Phone: 970-400-3290 Pursuant to the Weld County Subdivision Ordinance, the attached Statement of Taxes Due issued by the Weld County Treasurer are evidence that as of this date, all current and prior year taxes related to this parcel have been paid in full. Signed: 14, Date: 1400 N. 17th Avenue, Greeley, CO 80631. PO Box 458, Greeley, CO 80632. (970) 400-3290 Page 1 of 1 Hello