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Home My WebLink About20182110.tiffJune 16, 2020 Board of County Commissioners 1150 O Street P.O. Box 758 Greeley, CO 80631 RECEIVED JUN 17 2020 WELD COUNTY COMMISSIONERS VIA: Certified Mail/Hand Delivered RE: Division of Reclamation Mining and Safety, Mine Land Reclamation Board (112) Operation Reclamation Permit Amendment Application, Weld County, Colorado; Inouye Gravel Mine - WWTP Amendment AM01. Dear Board: BURNCO Colorado, LLC is applying for an Amendment to their MLRB permit to mine sand at the project site. The Ft. Lupton Waste Water Treatment Plant (WWTP) Site will be added to the current Inouye Gravel mine for future mining. The site is located south of WCR 14.5 and north of Highway 52, west of the South Platte River. More specifically, the site is located in Southeast quarter of the Southwest quarter of Section 31, Township 2 North, Range 66 West of the 6th P.M. As required by the DRMS regulations, we have enclosed the following information for your review: • Construction Material Regular (112) Operation Reclamation Permit application form • Exhibit B Index Map • Exhibit C Mining Plan Map • Exhibit F Reclamation Plan Map If you have any questions, please feel free to contact me at 303-833-1416, ext. 202. Sincerely, CIVIL RESOURCES, LLC y Rodriguez, P.E. Civil Engineer J:Ift.lupton\WWTPIDRMSINOTICE Cltr Cnty Cmmsrs.doc Pc�bt; c av:ew 0-7Iaol&,o cc: PLCTP),PW( MitHIJMIC c o'T1l`ttaO oOts-ptto STATE OF COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866-3567 FAX: (303) 832-8106 CONSTRUCTION MATERIALS REGULAR (112) OPERATION RECLAMATION PERMIT APPLICATION FORM CHECK ONE: [7] There is a File Number Already Assigned to this Operation Permit # M - COLORADO DIVISION OF RECLAMATION MINING - &- SAF ETY Zola 037 (Please reference the file number currently assigned to this operation) New Application (Rule 1.4.5) ElConversion Application (Rule 1.11) Permit # M 2018 Q37 AMO1 Amendment Application (Rule 1.10) (provide for Amendments and Conversions of existing permits) The application for a Construction Materials Regular 112 Operation Reclamation Permit contains three major parts: (1) the application form; (2) Exhibits A -S, Addendum 1, any sections of Exhibit 6.5 (Geotechnical Stability Exhibit; and (3) the application fee. When you submit your application, be sure to include one (1) complete signed and notarized ORIGINAL and one (1) copy of the completed application form, two (2) copies of Exhibits A -S, Addendum 1, appropriate sections of 6.5 (Geotechnical Stability Exhibit, and a check for the application fee described under Section (4) below. Exhibits should NOT be bound or in a 3 -ring binder; maps should be folded to 8 1/2" X 11" or 8 1/2" X 14" size. To expedite processing, please provide the information in the format and order described in this form. GENERAL OPERATION INFORMATION Type or print clearly, in the space provided, ALL information requested below. 1. Applicant/operator or company name (name to be used on permit): BURNCO COLORADO LLC 1.1 Type of organization (corporation, partnership, etc.): LLC 2. Operation name (pit, mine or site name): 3. Permitted acreage (new or existing site): 3.1 Change in acreage (+) 3.2 Total acreage in Permit area Inouye Gravel Mine/WWTP Amendment 4. Fees: 4.1 New Application 4.2 New Quarry Application 4.4 Amendment Fee 4.5 Conversion to 112 operation (set by statute) 5. Primary commoditie(s) to be mined: sand 5.1 Incidental commoditie(s) to be mined: 1. gravel top soil 120 58.9 178.9 permitted acres acres acres $2,696.00 application fee $3,342.00 quarry application $2,229.00 amendment fee $2,696.00 conversion fee lbs/Tons/yr 2. / 3. / lbs/Tons/yr 4. / lbs/Tons/yr 5. 5.2 Anticipated end use of primary commoditie(s) to be mined: building materials 5.3 Anticipated end use of incidental commoditie(s) to be mined: lbs/Tons/yr lbs/Tons/yr -2- 6. Name of owner of subsurface rights of affected land: If 2 or more owners, "refer to Exhibit O". 7. Name of owner of surface of affected land: Ft. Lupton Waste Water Treatment Plant Ft. Lupton Waste Water Treatment Plant 8. Type of mining operation: ElSurface El Underground 9. Location Information: The center of the area where the majority of mining will occur: COUNTY: Weld PRINCIPAL MERIDIAN (check one): LI SECTION (write number): TOWNSHIP (write number and check direction): RANGE (write number and check direction): QUARTER SECTION (check one): QUARTER/QUARTER SECTION (check one): 6th (Colorado) El 10th (New Mexico) El Ute S31 T 2 El North Q South R 66 a East 1 - ] West El El El El El NE LJNW SE SW SW GENERAL DESCRIPTION: (the number of miles and direction from the nearest town and the approximate elevation): Located in the City of Fort Lupton, north of HWY 52 and south of the Inouye Gravel Mine 10. Primary Mine Entrance Location (report in either Latitude/Longitude OR UTM): Latitude/Longitude: Example: (N) (W) 390 104° 44' 12.98" 59' 3.87" Latitude (N): deg min sec (2 decimal places) Longitude (W): deg min sec (2 decimal places) OR Example: (N) 39.73691° (W) -104.98449° Latitude (N) (5 decimal places) Longitude(W) (5 decimal places) OR Universal Tranverse Mercator (UTM) Example: 201336.3 E NAD27 Zone 13 4398351.2 N UTM Datum (specify NAD27, NAD83 or WGS 84) Easting 515128.07 m E Northing 4437651.38 m N Nad 83 13 Zone -3- 11. Correspondence Information: APPLICANT/OPERATOR (name, address, and phone of name to be used on permit) Contact's Name: Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: Mark Johnson Burnco Colorado, LLC Title: Compliance Manager/ Facilities and Acquisitions 301 Centennial Milliken P.O. Box: Colorado (970 ) _ 587 7277 ) - Zip Code: 80543 PERMITTING CONTACT (if different from applicant/operator above) Contact's Name: Company Name: Street/P.O. Box: City: State: Telephone Number: Andy Rodriguez Civil Resources Title: Project Manager 323 5th Street Frederick P.O. Box: 680 Colorado Zip Code: 80530 (303 ) _ 833 1416 Fax Number: ( ) - INSPECTION CONTACT Contact's Name: Mark Johnson Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: Burnco Colorado, LLC Title: Compliance Manager/ Facilities and Acquisitions 301 Centennial Milliken P.O. Box: Colorado (970 ) _ 587 7277 Zip Code: 80543 CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Telephone Number: Zip Code: ( )- -4- 12. Prima future (Post -mining) land use (check one): Cropland(CR) fl Pastureland(PL) ID Rangeland(RL) 1 I Forestry(FR) ElResidential(RS) Recreation(RC) flDeveloped Water Resources(WR) 13. Primary present land use (check off: Cropland(CR) Rangeland(RL) Residential(RS) Pastureland(PL) Forestry(FR) Recreation(RC) Developed Water Resources(WR) General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) Solid Waste Disposal(WD) FlGeneral Agriculture(GA) Wildlife Habitat(WL) 1DIndustrial/Conunercial(IC) 14. Method of Mining: Briefly explain mining method (e.g. truck/shovel): slurry wall and dry mine using excavator, haul truck, loader and conveyor belts 15. On Site Processing: ElCrushing/Screening 13.1 Briefly explain mining method (e.g. truck/shovel): processing will occur on the main Inouye Gravel mine site. List any designated chemicals or acid -producing materials to be used or stored within permit area: NA 16. Description of Amendment or Conversion: If you are amending or converting an existing operation, provide a brief narrative describing the proposed change(s). Additional land to the south of the existing Inouye Gravel mine to be used to haul material to the Inouye Gravel Mine to produce crushed rock, top soil, sand and gravel and building materials. EXHIBIT B - INDEX MAP Y r AT, • • . .' • t P` •aIP ``77 of si = P. .� -*Sy1 i is , -1'4 • !;! .1 "'' —7.. .411- , telt ilMalie : ...alliS " t r" ' <5., ie., , . lip- \ Pfr, • 40._ iiti......... ., ,.. - s 5 5 - Vs-• ) • • • I .R • h d 4 . „pre s INOUYE SITE _ . ._. — 120 ACRES i i %� 11 _ reblIA. t III. WCR 14 . 5 ilb4. fig , •.-7. 'r -44ti. IL _ . .—...,...- . .s.intesper,,_ Ii wp. f ;1 ► - i r I I ay. gFm' g, , ilit4ifi 4. %IL , •• i lit ilr , i — ! : alt ' -1 Nil ,:' "ass * • �s - . - + Y ~+. .•y- -" •_lam- a op ■) r ■ ifs: - ' 1• ; rte.. L-�w' . ••fl ! ,Rr `1' �„A '.--Pr-: ' • �`. -=.1` _ �__ir .. 11 • at III♦ - .4 .�4. ttt; •.t1/40 _7eir.. tar • _ ~ AMENDED WWTP .: . we- If 4. , ,l . - • - SITE— 5$ ACRES �. • . _ ow a 1 /1! 1 a,..•• Ns.�. v. r--- r :n- t ur 1: r • —` —' t `- aers :r — a. 4.• �• r {4 4� .� ire: _ a. • r lai, •► t- 1 PP1 rte ` is -ara. \. ,fie. Inc- Y 4 1 �I C le :1 1-, 40 . .. , ., • : . p „. 4.4, . 4• t r Inouye Gravel Mine - City of Fort Lupton , WWTP - MLRB 112 Permit Amendment Exhibit B - 1 I /r:r•I MISTI%C CriUN7YKGti10 /45 LrsvJwrisTIM" ` �� . l tors /Ut'I/tirLf1'/,vC' I G E 1FRq'I'hMC' RL•I/df I SIM ACCf51 .WYX'7?1It 4771, VALLEY L I_ . .LOTS LnI'.d Rf IM,f Nt I/.tf Xi LO E. WNW/.vC' I �— NLt'YTtY/IC IL IYYJOtlJ room Not[ . _ ` pp crammer SUM ... 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LUPTOPI WASTE WATER CRATE PILES [ASNIG CRAM AND 00123C2104F Ulf AMC PLANT - - ` , 1 FFFECINF OA D.:: JANUARY 20. 2015 LUPTON 601 TOM OUCH Il I " r(]` = cnP.w —_ ° tat sI. ,RRY r„LL MINE C XI STING VEGETATION: TRICYQ.C LMIE TEXAS LLC IP•«ttn••ummi••a•Ma••=MO••IIIIIII•••Ginn••EMS••_•• I 1 2 ACCESS ROADS 1LT_ AQi1CULT)RAt FARM LAND S II CilTJT 175.9 AC ICON 8.9 ftF AREA. •.•«•.•n...«•w•wn•••«, nnwnwwwnw•..••.w.n•«Non•• w••n«•• • .•.••,.m• ..• ....«......« APPLICANT: II I oEMAf(IFMG IMENQf M1t0I+ERTr ADDRESS. / S111K INIA,NAGE TO SUMP �001aAI a &CE M0 'T. CRAWL MMIM B JUNCO CGtONA(w. LLC 12210 WCR IS jut CUT NAM**. DR+Vf R LUPTON, co. 00621 ( I TYPICAL TOVSOIL STOCOLE AT IDOL O MINING AREAS CROSS SECTION 3 MILUKCN, Co S0S43 ► WI IC *GAIL -i CY7UNTVROAD /4J 1 T I .saw J 498"1 „• / iitirt 1 _ ICrnmsDC113 p( 7Li1/R[ ROW sews" . f ± — l CENTURY UNK I _^T _ did CINrIIRY UNK _ .a �' -'-- v _ r� _ II s la I/� �"•�.'�.!'7�.'" 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SOILS TYPE OAS 5' • '9' I ♦ 801 TOM OF'oRAMAQ SLURRY WALL ExISTINK: CONTOLIN Ilir nn04r1EM-]4• •1 - WI STITUC TUTU eis / �4�•P -. .(I' InIERVAI) (KP KAVPNAN WILL) I ( � .+♦ Is' Afirttai,, Y ► w ^ NM PLUG RPE R RECORDED •.- 100 TR FLOUOWAY t �� IP 71 / P VSAIIW _ _ _ 1O0 YR f1000 PLAIN • we IS•A ACRES ./• M NIAS<NIL.O • MONTORInG WELL•' / Re BORE LOCATION (1.411 �, NOEXI TING GROUNDWELL SLOPE RlV1510NS II [PILLWAT IhVPRT Re" MONITORING WELT MOP A /...-68.1 maw CA 6t ) t' 1\1 NUN OU min �f NO:1MM omen OWN/•iQ 17.4 ACRES N• I,`''• L INTO OYDROCR4 X I' OM�1N I1TO / , ell —A CROSS SECTION CALL Ow t / V / _ 1 .ti e / NOTE: �, I 1 lt�t��l III -,�i; CIVIL RESOURCES, LLC IS NOT RESPONSIBLE EXISTING �` ` ` RUUGA7 �,- = J .! ` _ FOR SAFETY. MI, ON, OR ABOUT TNF PROJECT J I S TC. NOR FOH COMi'UANG BY THE • 1 �. ,� , . . ` APPROPRIATE PARTY OF ANY REGULATIONS i�-� t — •--t .•. . . - - - - • •' "r�C- owe ow OMc .—_.a.ql( • KM= • --'• ... . r, t c,- .-. -,r•.� .. w THERETO I 1 UNITED PUWCR au —� J I ❑ -1 Q / [ _ • ; r ) J9�" i THESE MAPS WERE PREPARED BY (NIL UnrT 1VS I LIMITS OF NI�O ; RESOURCES, LLC IN COOPERATION WITH BURNCO I I ( I 1 f REr�c ," . COLORADO, LLC EIESrWAY WILL KELP THE � � DIVISION of RECLAMATION MINING AND SAFETY• ( / INFORMED OF ANY CHANGES TO 1NF PAWING OR I I I n K Or PILE }}}��...OOd��--- i RECLAMATION PLANS THROUGH ANNUAL *WYE rampsI , �, ‘1100tREPORTS AND FILE tECHNICAI REVISIONS AND \ I I I ,� ' I AMENDMENT APRAPPLICATI0NS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE uLSIIiNLD at yl DATES S_ I I h I $ ^ LlflrTs Of YAWS RTouK MK rcwaT/pR�ERrr wpm OR TA1iFM1/1T, NO LESS InAN m' oMWN By, ear scAL[LAS Rl42t CHECKED By, a - _as.110.i Tlh FLOODPLAIN INFO: AFFECTED I ANDS: SCFDINC SPEC FOR UPLAND AREAS: ti I rtNPGRAIIr Tovsoll IOU NO.: 21t LIt II �— I \ �1 SwD(Pu AO' DWG FLOODPLAW INFO IS FROM TRICYCLE LANE TEXAS LLC: COMMON NAME SCtI N HFIC NAMt LBS J - J / CRAM Mii FIRM FLOOD INSURANCL HATE MAP VARIOUS OW HOLDINGS (VAWt1r) PLS/ACRE III a— e' �•^ TOG f ' Q — 'wwn•wt SE MACE cantle GRAOE PANEL N0. Utlt23C2102E • 1 LUPTON BASIL WATCH SAID BLUESWM (CHAMP, CHE.T) 1 AND 05123C2104F TREAMNF1 Pt ANT EFFECTIVE DATE: JANUARY 20 2016 LUPTON NOrroM ouch SAND LOVEGRASS (RENO. rove. NEP) 2 5 �il • •• A A • • MIS• .an..q�. NMI,0•S...�.. .�S.• Tat "'� SLURRY BALL INDIAN MCI GRASS (PNE[PAC, RIMROCK) EXISTING VEGETATION: TRICYCLE LINE TEXAS 11.C• PRAIRiIL SANDREEO (COS1/LN) 075 RECLAIM ACCESS ROADS BEEN NEEDL£CRASS (LODORM) 1.5 I I AGRICULTURN FARM LANU TOTAL PERMIT AKFA 11( 111 HIIIFSIIM (BLA[E, IJMARRON. CAIIPCR) 010 II ..r«rw.wrrr.rr...rMr«• nr...rrrrw.r.wr.rrrrm•rrwr • iii 4144.41‘ • 1789 ACRES YELLOW INIAN(.71AS% (CHEYENNE, HOLT. SCOUT) 0D APPLICANT 1-- f DE WATERING INACE 1 PROPLKIY AOOFILSS' SWTCIICRASS (9LACKNELL• NEBRASKA 20) 15 I I I.O•�nK ORAWAG[ 10 slur •oti OT SW; RURNCO COLORADO, LLC 12210 WCR 143 SANG OROPSECD U S 1 D1AK1 RE3RK 301 CENTENNIAL DRIVE FT LUPTON. CO. 80021 TYPICAL - RECLAMATION CROSS SECTION 4 MILLIKEN, CO 80043 TOTAL LOS MR ACHE. 12.0 ROI TO SCALC PP - October 31, 2018 Mr. Eric Scott Division of Reclamation, Mines, and Safety 1313 Sherman Street, Room 215 Denver, Colorado 80203 RECEIVED N�+v 01 2016 WELD COUNTY COMMISSIONERS CIVIL RFSURCES,LU ENGINEERS E. PLANNERS RE: Adequacy Review 1 for 112 Construction Materials Reclamation Permit Application Package, Inouye Gravel Mine, Permit M-2018-037; Response Dear Mr. Scott: This letter is being generated to satisfy the preliminary review dated October 11, 2018 for the Inouye Gravel Mine. The italicized items are the current comment and the bold text are the responses: EXHIBIT D -Mining Plan (Rule 6.4.4): Please show the proposed location(s) of the processing area and any associated concrete and asphalt plants that will be located on -site. The concrete and asphalt plants will be located in the northwest corner of the site outside of the floodway. The processing area is going to be located on the west side of the site. The attached plans show the location of processing area and the plants shaded in grey. It should also be noted that a slight adjustment in the permit boundary changed the permitted acreage to 120.0 acres. The mining plan provided states that phases will be mined at 0.5H.• 1 V slopes. Please specify the maximum linear feet of "working face" that will require re -sloping to 3:1 at any time, average depth of excavation, an estimate of how many cubic yards of overburden will be required to reconstruct the slopes to 3:1, and show locations of overburden and topsoil stockpiles on the mining plan. Please keep in mind that haul distance, and amount of cubic yards required to re -construct 3:1 slopes will have a significant impact on reclamation costs. Also note that topsoil and overburden stockpile locations may be restricted due to the floodway concerns. The tables below show the necessary quantiles and timeframes required to mine, based on a production rate of 500,000 tons per year (market dependent). Mining Phase Gravel Overburden Time (tons) (tons) (yrs) 1 2a 2b 3 1,200,000 1,900,000 1,600,000 1,700,000 148,000 244,000 197,000 242,000 2.4 3.8 3.2 3.4 Total 6,400,000 831,000 12.8 After further review the miner has changed mining phases 2a, 2b and 3 to be mined at 3 horizontal to 1 vertical. The change does not affect the reclamation as the proposed finished below grade reservoirs were to be reclaimed at 3 horizontal to 1 vertical. The drawings have all been updated. The reasoning for this is the shortage of onsite material to backfill the slopes and future use of the Public 1-31-V1e 1Mc/ / /g cc'Pt.CTP), Pot, tERICH1J(YM/CK),caC&..) o7O( -ofl l 1115/18' ar7 C,rTu CTr,rrT • o r-i or,.. C.or, . Cr,cr.rr,,r,,, rr,, e•-• r-1 r.r, 0ri r, . C LA,, '3n'3 0 1 1 1 C. . c,...• ariv C vvari Page 2 Mr. Eric Scott October 31, 2018 overburden material. The mine highwall has not changed and a memo is attached discussing the adequate safety of the slopes. The miner understands that the floodway limits the available stockpile area and has shown on the mining plan an approximate area for stockpiling and plans to install/place all facilities out of the floodway as well. There is approximately 300,000 tons of available stockpile area out of the floodway which can account for one mining phase at a time. The miner will have to concurrently reclaim each phase as they go. The mining plan also states that water requirements for the site will "likely" be provided by existing water rights associated with the property. Please demonstrate that the existing water rights for this property would be approved for use in this manner. Also please include available information on the existing well located in the far SW corner of the site (near MW5) and include it on the existing conditions map (sheet 2) provided. The miner intends to use existing production wells or open water for washing and concrete batching. All sources of depletions (evaporation, washing, etc.) will be included in a State approved Substitute Water Supply Plan (SWSP) covered by available augmentation sources. The miner owns various sources of replacement water located along the South Platte River, including but not limited to, a long term lease with the City of Aurora for 49.5 acre-feet per year, ongoing water leases with Central Colorado Water Conservancy District, two state approved augmentation ponds located on their Shores Gravel Mine site and their Lupton Meadows Gravel Mine Site. The existing well is shown on the attached drawings. The well is owned by the miner and in the event it is used in production it will be included in the SWSP. EXHIBIT E - Reclamation Plan (Rule 6.4.5): Seeding - specify types, mixtures, quantities, and expected time(s) of seeding and planting. The reclamation seed mix and plans for revegetation have not been provided Please address. The seed mix is shown on the reclamation plan drawings. Please remove the reference to Bestway Concrete in the last sentence of the weed control plan. The reference has been removed. The post mining land use for the majority of this permit is developed water storage (lined reservoirs). Because the proposed reservoirs are all or partly within the Platte River floodway, the permittee will be required to provide an engineered design for spillway (inlet/outlet) structures to be incorporated into the reclamation plan to protect the integrity of the reservoirs during flood events. The flood control structures will also need to be shown on the Reclamation Plan Map. The spillways are shown on the plan and a cross section sheet has been added as well. The spillway cost is included in the bonding calculation. EXHIBITG - Water Information (Rule 6.4.7): Please commit to providing DRMS with at least 5 quarters (15 months) of groundwater level data from the 5 existing monitoring wells to determine baseline maximum and minimum pre -mining water table elevations before initiating work on -site that will impact groundwater levels in the area (installation of slurry walls, dewatering, etc). This baseline data will evaluated in the event that groundwater level mitigation is required. The groundwater monitoring and mitigation plan as submitted states that if trigger levels within the existing wells are exceeded (excess of 2ft deviation from historic background levels), or if a complaint of off -site impact is received, the permittee will take action and notify DRMS within 30 days. Page 3 Mr. Eric Scott October 31, 2018 The miner commits to this request. In the event that trigger levels are exceeded, or complaints of off -site groundwater impacts are received, please commit to notifying DRMS within 5 working days. The provided notice shall include, at a minimum, a description of the issue observed or reported (excessive mounding or shadowing off site impact, etc), additional data to be gathered by the permittee to characterize the issue if needed, and possible corrective actions that may be implemented to resolve the issue if deemed necessary. The miner commits to this request. EXHIBIT L - Reclamation Costs (Rule 6.4.12).: All information necessary to calculate the costs of reclamation must be submitted and broken down into the various major phases of reclamation. You must provide sufficient information to calculate the cost of reclamation that would be incurred by the state. See attached cost/reclamation estimates. Also see the comments under "Mining Plan" above. DRMS will further evaluate the provided reclamation costs when all other adequacy issues have been resolved. At this time it appears that, at a minimum, additional information will be required regarding costs to backfill mined slopes from 0.5H.: 1 V within all excavated areas, backfill and fully reclaim the sediment pond and clean water ponds, install engineered inlet/outlet structures for all remaining open water reservoirs, and provide documentation to substantiate unit costs for slurry wall installation. See attached cost/reclamation estimate. Included is a justification for the slurry wall cost which has been updated to $4.30/square-foot. EXHIBIT S - Permanent Man -Made Structures (Rule 6.4.19): Please note that roadways and above -ground or underground utilities (if present) within 200 feet of the proposed affected area are considered permanent man-made structures. In accordance with Rule 6.4.19, when mining operations will adversely affect the stability of any significant, valuable and permanent man- made structure located within 200 feet of the affected area, the applicant may either: a) Provide a notarized agreement between the applicant and the person(s) having an interest in the structure, that the applicant is to provide compensation for any damage to the structure,' or (b) Where such an agreement cannot be reached, the applicant shall provide an appropriate engineering evaluation that demonstrates that such structure shall not be damaged by activities occurring at the mining operation; or (c) Where such structure is a utility, the Applicant may supply a notarized letter, on utility letterhead, from the owner(s) of the utility that the mining and reclamation activities, as proposed, will have "no negative effect" on their utility. Please provide evidence (such as proof of delivery of certified letter to structure owners) that a notarized agreement between the structure owners and the applicant was pursued. If an agreement is unable to be reached a geotechnical assessment may be provided to demonstrate that the structures shall not be damaged. See proof of mailing return receipt that the agreement and stability analysis was delivered to all structure owners. (I Page 4 Mr. Eric Scott October 31, 2018 You must provide information sufficient to demonstrate that the stability of any structures located within two hundred (200) feet of the operation or affected land will not be adversely affected. See attached stability analysis included in the original submittal. A memo has also been added to the stability analysis discussing the change from a 0.5 horizontal to 1 vertical to a shallower mine slope of 3 horizontal to 1 vertical. In summary the mine highwall location has not changed and the slopes are safer than mining at a 0.5 horizontal to 1 vertical. The silt storage pond will still be mined at 0.5 horizontal to 1 vertical as there is adequate backfill (831,000 tons of backfill available) and remaining silts from the processing of aggregate to fill the silt storage. The silt storage requires 285,000 tons of backfill. Additional Information: You will also need to provide the Division with proof of notice publication and notice to property owners within 200' of the permit boundary. Letters from other commenting agencies/entities received by the Division to date were provided during the pre -operation inspection for you to review. See proof of mailing to owners within 200 feet and proof of publication including an email from Cynthia Fitch (Fort Lupton Press) stating the publication was placed in the paper. This concludes the Division's preliminary adequacy review of this application. This letter shall not be construed to mean that there are no other technical deficiencies in your application. Other issues may arise as additional information is supplied Please remember that the decision date for this application is October 15, 2018. As previously mentioned, if you are unable to provide satisfactory responses to any inadequacies prior to this date, it will be your responsibility to request an extension of time to allow for continued review of this application. If there are still unresolved issues when the decision date arrives and no extension has been requested, the application will be denied If you have any questions, please contact me at (303) 866- 3567 x8140. Sincerely, CIVIL RESOURCES, LLC Andy Rodriguez, P.E. Encl: J:1Bestway-21311 nouyelDRMSWdequacylAdq-1-M018037-10-11-18.doc UPDATED APPLICATION STATE OF COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866-3567 FAX: (303) 832-8106 CONSTRUCTION MATERIALS REGULAR (112) OPERATION RECLAMATION PERMIT APPLICATION FORM CHECK ONE: n There is a File Number Already Assigned to this Operation Permit # M - 4 COLORADO DIVISION OF RECLAMATION MINING —&— SAF ETY (Please reference the file number currently assigned to this operation) New Application (Rule 1.4.5) Conversion Application (Rule 1.11) n Amendment Application (Rule 1.10) Permit # M - - - (provide for Amendments and Conversions of existing permits) The application for a Construction Materials Regular 112 Operation Reclamation Permit contains three major parts: (1) the application form; (2) Exhibits A -S, Addendum 1, any sections of Exhibit 6.5 (Geotechnical Stability Exhibit; and (3) the application fee. When you submit your application, be sure to include one (1) complete signed and notarized ORIGINAL and one (1) copy of the completed application form, two (2) copies of Exhibits A -S, Addendum 1, appropriate sections of 6.5 (Geotechnical Stability Exhibit, and a check for the application fee described under Section (4) below. Exhibits should NOT be bound or in a 3 -ring binder; maps should be folded to 8 1/2" X 11" or 8 1/2" X 14" size. To expedite processing, please provide the information in the format and order described in this form. GENERAL OPERATION INFORMATION Type or print clearly, in the space provided, ALL information requested below. I. Applicant/operator or company name (name to be used on permit): Burnco Colorado LLC 1.1 Type of organization (corporation, partnership, etc.): LLC 2. Operation name (pit, mine or site name): Inouye Gravel Mine 3. Permitted acreage (new or existing site): 3.1 Change in acreage (+) 3.2 Total acreage in Permit area 4. Fees: 4.1 New Application 4.2 New Quany Application 4.4 Amendment Fee 4.5 Conversion to 112 operation (set by statute) overbuden 5. Primary commoditie(s) to be mined: sand and gravel 5.000.000 tons 5.1 Incidental commoditie(s) to be mined: 1. - lbs/Tons/yr 3. / lbs/Tons/yr 4. 120.0 permitted acres acres acres $2,696.00 $3,342.00 $2,229.00 $2,696.00 2. / / lbs/Tons/yr 5. / application fee quarry application amendment fee conversion fee lbs/Tons/yr lbs/Tons/yr 5.2 Anticipated end use of primary commoditie(s) to be mined: road base, top soil 5.3 Anticipated end use of incidental commoditie(s) to be mined: UPDATED PLANS w '* DIVISION OF RECLAMATION MINING AND SAFETY PERMIT M2018 - 037 B R NCOLORADO , INOUYE GRAVEL MINE WELD COUNTY , COLORADO • ;. I. 3 • PERMIT BOUNDARY DESCRIPTI0N : . ... . . . . . .... ... . .. . . . . .. . .Tiy1 r • 5" ,j > µ . .. ) .. THE NORTH HALF OF THE SOUTHWEST QUARTER (N1 /2 SW1/4) OF SECTION THIRTY-ONE (31 ), TOWNSHIP TWO ; ; 5 .10 .• 5 NORTH T,2N,), RANGE SIXTY-SIX WEST (R.66W.) AND THE EAST 60 ACRES OF THE EAST HALF OF THE `, . , ; `Y ,".; r4. SOUTHEAST QUARTER (E1 /2 SEII4) OF SECTION THIRTY-SIX (36). TOWNSHIP TWO NORTH (-1,2N.), RANGE -�" • ' " . r�.Sr:.y R 1....-', F •::�� • 1 �•+•V.y .. �A t•'> • r - ..m , II r r:1 SIXTY-SEVEN WEST (R.67W.) OF THE SIXTH PRINCIPAL MERIDIAN (6TH P.M.), COUNTY OF WELD. STATE OF Al; I ' CERTIFICATION : COLORADO. ': r , , :� �p, • � - .3;., �,r -‘r-4 .1 :1 + z I HEREBY CERTIFY THAT THESE PLANS FOR THE CONSTRUCTION THE DRMS PERMIT FOR THE INOUYE• " GRAVEL MINE WERE PREPARED UNDER MY DIRECT SUPERVISION FOR THE OWNERS THEREOF. EXCEPTING THEREFROM: r 3 ( I ' c 1I !k . 1 . ' i 1 ) THAT PARCEL OF LAND DESCRIBED IN THAT QUITCLAIM DEED RECORDED AUGUST 3, 1993 AS '` '• � - ' r; : ' p` '•. : �r ry RECEPTION NO. 02344482 OF THE RECORDS OF THE WELD COUNTY CLERK AND RECORDER. )1 N l 7/10/16 w . f * : BY: DATE: 10/30/18 2) BLANKET TRAIL EASEMENT AGREEMENT. REC. NO. 4233870 • I' fir' " hti . ' . e ,�,", ANDREW R. RODRIGUEZ, P.E. THE SAID DESCRIBED PERMIT BOUNDARY CONTAINS 120 ACRES. MORE OR LESS (f). ^3 ' SITE . , w �s ' r t ir _. r. I EXCLUDED .j I r,� " . BESTWAY CONCRETE INC. DOES HEREBY ACCEPT AND APPROVE THESE PLANS FOR THE DRMS PERMIT. w , • TRAIL " a H EASEMENT ror . , r . ^ - .;..r , "r . 7~4;1: r - - v 7 _• . � r" I'-.. . , a te vl /10/18 tot. s,, n w y ,r _ �rr 4 - BY GATE 10/30/18 ,p� �. "';- r REPRESENTATIVE F °.. .- i �I:Lrrt:Viiii,-, , . . • 71:. AUTHORIZED " f '!" � {� ?='• ' It:: �j�j�[�� - , BURNCO COLORADO, LLC ti 1: Es.7) . 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VALLEY RE-4/4.5 1 0 30' WITNESS CORNER RICHARD LOTS IOTA 20' WITNESS CORNER 1 H/STORIL'A/_ .S'[X%F. TI " 68 4887 I LG'EVER/S'TINC FOUND 2 1/2" ALUMINUM CAP RE-4/4 RE olds EAST QUARTER CORNER FOUND 2 1/2" ALUMINUM CAP ` - 72"x48" RCP i I ON tf6 REBAR, LS 30462, 2007 SECTION 36, T.2N., R.67W. ON *6 REBAR, LS 34980, 2006 85 I J \� r , CIVIL RES"AURCES LLC 589'40'04"E 1317.54' + r II CENTURY LINK _ �'�` ' 30.00' / / 323 5th STREET CENTURY LINK 36" CMP N89'21 '09"E 1518.01' —_ ____ ��— • " 1249.60'Y` �� -� CENTER QUARTER CORNER 1♦ 322.09' R 589'40'04"E 988.15' _ —__ i�.�� —— SECTION 31, T.2N., R.66W. ru , . t� 88. 22u_ _ !e; w f FO ---F0— .1409.79' _ ��•_� . 75.00' r-_— � r Mw 2 ® Y `� J N89'2i '09"E 653.74' • ‘ too yRF FREDERICK, CO 80530 L2 n 30.00' FOUND NO. 4 REBAR WITH CAP sB 20.00' ABANDONED —L1 < (SUBMERGED UNDER WATER) '* 75' WITNESS MONUMENT o � - CONCRETE L4 fly a 48 9 Do 303.833. 1416 taa.a �� WWW.CIVILRESOURCES.COM 7.6' WEST OF BOUNDARY LINE SET 24" OF #4 REBAR E I C \Pi? DIO NOT ACCEPT MW WITH 2' ALUMINUM CAP Al TED POWER WATERLINE / `\ AS MARKING CORNER OR LINE � I I a 1 STORY BRICK g a$5/ \ o 3 VR Et�DYd Id WITH BASEMENT \ \ ( 1FRR a ROX / 100 �— 7 DILAPIDATED BUILDING • 7c J \ FLOOD ZONE AE / JI 2 N Y WOOD GARAGE �� UNTIED POWER BLANKET TRAIL FLOOD ZONE AE 41 Fl OOOWA WOOD SHED Cr II EASEMENT AGREEMEN (" EXIST BURIED METAL GARAGE �_, �r Q 89O INOUYE 11-31A" REC. NO. 4233870 1 85 489O UNITED POWER { / BURNCO COLORADO, LLC a IRRI ATION PIPE . . , . r- \ vim✓ ' \ A L• A • r ANADARKO) • �+C� "INOUYE 9-36A" / `2 UNKNOWN) O SOG'T//PLATTE. (KERR-MCGEE ` —� // Ni• VA/.LF. Y 301 CENTENNIAL DR. yy ? �1 w \ WOOD SHED —23 `' ' iG \ 1 J ` �� ANADARKO) iv \ 2 / m co HISTORICAL MILLIKEN, CO 80543 RI (� y ct�� C\ ' le ifr KERR-MCGEE ANADARKO \\\� / //� JO ' " n 3 �,�('� ,:� SOCIETY 970 587 7277 c V c� b GRASSHOPPER rsi �� v ► Ly 7 V W I N (KERR-MCGEE I l / W (REC. NO. 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ANAD 0) MW,-w�4y ` \ W r O 36" CMP MW-3 \ \ >� R 1! >- U 589'41 '30"E 1316.98' ® \ CMP --$1 f �r Vim• '-., P.- < G X--� „ X X-589'28'42' W 1441 .70'— X X X ` �"- 589'26'29"W 1335.55'— O w n o(ii--- KERR-MCGEE GAS c GAS GAS GAS � SOUTHWEST SIXTEENTH CORNER > V - 2.5' DIAMETER '^ ANADARKO / COMPRESSORSURVEY INFO: z �/ O V 12" STEEL Pi PE SECTION 31, T.2N., R.66W. —\ z ` ` p COMPRESSOR / �` KERR-MCGEE / FOUND 2" ALUMINUM CAP 1-i Q x 1 'n -'' V z KERR-MCGEE ANADARKO ANADARKO 1-1 SEPARATOR ON #6 REBAR, LS 18475 \ L L LI E. ^ v U V 1 SEPARATOR / ' ' 12' DIAMETER a ki n / KIM; Sl SURVEYORS z °C " T W I �� ii° ' in SOUTH SIXTEENTH CORNER O \ TANK C = 3 / METER HUT SECTION 36. T.2N., R.67W, 10' DIAMETER \ / 65(1 F. Gulden Drive I Windsor, Cnln[ad�, 405;11 J v T GAS I SECTION 31, T.2N., R.66W. "VYNCKIER DONALD TANK COLORADO / phone: (970) 686-51111 I email: inCi��a hingSurvepws.aom " } "FUNAKOSHI 12' DIAMETER FOUND 2 1/2" ALUMINUM CAP CENTER-SOUTH SIXTEENTH CORNER ,. °. �, 1 GU a N01" • DEPARTMENT SAM GU NO2" 0 / TANK ON #6 REBAR, LS 38046, 2015 SECTION 31, T.2N., R.66W. V1 P1 i J I FOUND 2 1/2' ALUMINUM CAP w z KP KAUFFMAN (KERR-MCGEE \ i ON #6 REBAR LS 30462 2007 OF = 0 , ANADARKO) 10' DIAMETER T%L4NSPOJRT4770N z u J TANK CENTRAL COLORADO WATER IBCXJA' /415 uDiuu'i /! COrVS£RVAAC y"DISTRICT // 85 PACE /a) LEGEND �- JCITY OFJYJRTLUPTON Is) GAS GAS (REC NO. .Q7/6%i � , J ,, 4893 (RF.C /NY). /!fS$k1,') c` 1 �� EASEMENT pii FOUND ALIQUOT CORNER J _ AS DESCRIBED P �_ '� w — - - SECTION UNE SET ALIQUOT CORNER �/ "INOUYE 44-36" r 7 : Q+ / (KP KAUFMAN WELL) _ M (r,} } AS DESCRIBED 14 — 1 v QUARTER SECTION LINE `� °D __� "4: a1/44‘(' — - _ FOUND MONUMENT ' N -- p — RIGHT—OF—WAY REVISIONS v -- 0 / / AS DESCRIBED in NO DESCRIPTION DATE PROPERTY LINE o `'� / `I $ vooi O CALCULATED POSITION z v7 / ■U . PERMIT BOUNDARY 10 SOILS TYPE 1 / / ` - 1 ` V - - 4893 EXISTING FLOOD PLAIN EXISTING CONTOUR 1 1 4890 1ELEVATI0N \ --48137 \ \ \ `� /i AL) ,\\ /� / / / / ^ RECORDED x ,88 ft t100NYRRF OODWAY 1 ) \ / / 85 J / 5� - - .l� P PLATTED — 100 YR FLOOD PLAIN � / � I— / / i / O0 M MEASURED a MONITORING WELL V 40 �B-6 BORE LOCATION 0.4% - EXISTING GROUND SLOPE 10 WEST SIXTEENTH CORNER / '� BMW-3 MONITORING WELL SOU7iY PROPERTY OWNER I_, 3 SOUTHEAST CORNER SECTION 31, T.2N., R.66W. EXISTING - \ / SECTION 36, 7.2N., R.67W. SECTION 6, T.1N., R.66W. / o IRRIGATION W-5 / FOUND 3 1/4" ALUMINUM CAP FOUND 2" ALUMINUM CAP PL. 1T7E WELL is ON #6 REBAR, L5 10855, 1994 ON #6 REBAR, LS 25937, 1984 HISTORICAL 4 ,-1 _ 280.001__ _ SOCIET'y E OHE _ tn+t' r N89'42'57"W 987.31 ' ' OH S89'34'04"W I451 .8T3HE —\ OHE OHE OHE 589'34'O4"W 1335.04'—OHE Pr' HE 0 (REC. NO.UNl_�0OWEROHE CITY OF FORTLC/PTON 0226115410 N89'42'57"W 1316.42' (RLC.. :YO. II5$ l7J / ICI t8.4t 41 SOUTH QUARTER CORNER LOTB SECTION 31, T.2N., R.66W_ EAST SIXTEENTH CORNER CENTRAL COLORADO WATER SECTION 36, T.2N., R.67W. RE.-/97/ C EN7RAL COLORADO W4 ER CONS£RVAAC)-DISTRICT 3 I 280' WITNESS CORNER e CONSERI'ANCY DISTRICT FOUND 2 1/2" ALUMINUM CAP SECTION 1, T.1N., R.67W, FOUND 2" ALUMINUM CAD (REC. NO. 397/696) 85 (REC. NO 397 16961 \ \ 10 1 r201 DESIGNED BY: ARR DATE: JUNE, 8 FOi ON #6 REBAR, LS 12330, 1987 ON #6 REBAR, LS 34980, 2006 , s�har:belo'Ylf. DRAWN BY: ARR SCALE: AS NOTED STRUCTURE INFO: Cal before CHECKED BY: ARR AS NOTED JOB NO.: 213.001.29 TRICYCLE L/CNE TEXAS LLC FLOODPLAIN INFO: AFFECTED LANDS: NOTE: DWG NAME{OYEA-EXISTING COMMONS•INOUYE.OVYG VARIOUS BUILDINGS OWNED BY LAND OWNER WCR 14 1 /5 & ROW (WELD COUNTY PUBLIC WORKS) SOILS MAP LEGEND FLOODPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLC: CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR SAFETY, IN, ON, OR ABOUT THE OVERHEAD POWER LINE (NORTHERN & SOUTHERN BOUNOARY)(UNITED POWER) MAP UNIT SYMBOL MAP UNIT NAME FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY OVERHEAD POWER LINE (WESTERN BOUNDARY)(UNITED POWER) PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. OVERHEAD POWER LINE (WCR 14 1 /2) (UNITED POWER) 1❑ ALTVAN LOAM, 0 TO 1 PERCENT SLOPES AND 08123C2104E VARIOUS GAS LINES (KERR-MCGEE/ANADARKO, & KP KAUFMAN) 0 AQUOLLS AND AQUENTS, GRAVELLY SUBSTRATUM EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH INOUYE 44-36 WELL HEAD (KP KAUFMAN) ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING EXISTING FUNAKOSHI SAM CU NO2 (KERR-MCGEE/ANADARKO) 10 BANKARD SANDY LOAM, 0 TO 3 PERCENT SLOPES, FREQUENTLY FLOODED EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS INOUYE 9-36A WELL HEAD (KERR-MCGEE/ANADARKO) 32 KIM LOAM, 1 TO 3 PERCENT SLOPES TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT GRASSHOPPER WELL HEAD (KERR-MCGEE/ANADARKO) 41 NUNN CLAY LOAM, 0 TO 1 PERCENT SLOPES AGRICULTURAL FARM LAND 120 ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. INOUYE 11 -31A WELL HEAD (KERR-MCGEE/ANADARKO) 68 USTIC TORRIORTHENT5, MODERATELY STEEP PROPERTY ADDRESS: VYNCKIER DONALD GU B NO2 (KERR-MCGEE/ANADARKO) APPLICANT: 12210 WCR 144SHEET: NOUYE 15-31A WELL HEAD (KERR-MCGEE/ANADARKO) 85 WATER FT LUPTON, CO. 80621 FIBER OPTIC IN WCR 14 1/2 ROW (CENTURY LINK) BURNCO COLORADO, LLC LUPTON BOTTOM DITCH 301 CENTENNIAL DRIVE CWCWD (WATER LINE, NORTH BOUNDARY) MILLIKEN, CO 80543 9 ` V 1 1 RIGHT-OF-WAY 1po YR CENTER-EAST SIXTEENTH CORNER PER QUIT M DEED <00 SECTION 36, T.2N., R.67W. CLAI Le COUNTY /4.5 LC CENTER-WEST SIXTEENTH CORNER REC. NO. 02344482 \ o411-4jh �� SECTION 31, T.2N., R 66W. /!E/N LGEVERIST/NC I LGEVBR/ST INC LOTS SOUTH PLATTE VALLEY RE-4/4.S I 30' WITNESS CORNER RICHARD LOTS LOTH I 20' WITNESS CORNER SITE ACCESS LCiEVER/.STINC HIS'TORIC'AL SOC%F. T1 ' FOUND 2 1/2" ALUMINUM CAP --iEAST QUARTER CORNER FOUND 2 1/2" ALUMINUM CAP J SECTION 36, T.2N., R.67W. ON #6 REBAR, LS 34980, 2006 ON #6 REBAR, LS 30462, 2007 RE-4/45 RE-4/45 EAST RES1DURCES, LLC CENTURY LINK _ _ _ __ / / / ii' _ �r� :C CENTER QUARTER CORNER 323 5th STREET CENTURY LINK 589'40'04"E 988. 15' - _ _ L: °_�' �i Co C� N89'21 '09"E 151 , .�' _ L FO _ m i- ' •^ �_ •- v+ •' • -��a1 :1 SECTION 31, T.2N., R.66W. P.O. Box 680 N _ �� :: �- 4- •IMw-24, a • ~ N99'21 '09"E 653.74' `1oprRF FREDERICK, CO 80530 _ , . _ _ _ \ :+ po• p 303.833. 1416 _ CO"' - \ � •�/ qY WWW.CIVILRESOURCES.COM 1ATERLINE. CWCWD — + • \ O 9 • �`-_ \ MW- 1 r 4U P+4 TED POWER I 4 WATERLINE T %114: /- 2+58 r h 0+00///SLURRv wA DvI P� $ / 0 � � EDGEOFRIVER// CONCR T PLANT ANDwVRF�00 �,� ?. k0 �\ 11 \ APPROX. \11 / i_pNCRETE PLANT 5 AC +/- ,n l� 3+06 �//,�}00 l r, / 3+15 FL• + ?:ZONE AE N IPV UNTIED POWER BLANKET TRAIL FLOOD ZONE AE I \ 4\ EASEMENT AGREEMENT \ / ; . EXIST BURIED "INOUYE 11-31W • t REC. NO. 4233870 UNITED POWER �! IRRIGATION PIPE � i (EXACT LOCATION 4 F (KERR-MCGEE I \ \ Ltd / \ '%•••.,.,. BURNCO COLORADO, LLC C ,�� "INOUYE 9-36A" O UNKNOWN) O SLURRY WALL ,��// ` SOUTH PLATTE.. (KERR-MCGEE p /r ~y / VALLEY \ 301 CENTENNIAL DR. ? 1i1 X m / SLURRY WALL H/S7YJR/C'AL [� E ANADARKO) / /) - MILLIKEN, CO 80543 v9••••, co L. F; M, / I . h0 / ....,„/ r� SOCIETY 970 587 7277 E; I WELL TO BE KERR-MCGEE ANADARKO GRASSHOPPER - / v¢ el N (REC. NO 0226O41f) CONTACT: MARK JOHNSON Z T J c.� PLUGGE & (KERR-MCGEE ail / / / / \ Ct , Zl ABANDONED I PHASE 2B / - PHASE 3 \ !u MAINTAIN 30' RADIUS Cc ANADARKO) / yO "r to I Cc 20.5 ACRES +/ STEEL RIDGE DECK / MINEAT3H: 1v 22.2 ACRES +1- I I ` M I v I J MINE AT 3H: IV 12" CP 47 0 ///// II / a ,`7 1 PVC ce / `1 $ I, • ' RELOCATE ELECTRIC LINE 4+01 ci � FROM THY / ! 4+00 4' DIAMETER / / PIN 0 UNITED POWER Ico r ' COMPRESSOR ME7ER NUT I\ 0 17 1+00;•\.\ 0 1 5 3400 2 FLOOD ZONE AE / 5 a ? t Oa PHASE 2AI \\\ \ \ I") x)S B 25.4 ACRES +/- \ yx "p0 , . , I ) MINE AT 3H:IV I SEPARATOR 950 3+00 +O� it 1 +0� 1 \\; ,\ ,yx� /x,� NONTH a 10' DIAMETER a 3+56 I � \�' / ' 0t TANK what's below. 200 MAINTAIN - UNITED r \ p,� 0 ,� II>CI ` 12' DIAETER Cal I � ] faTill g DITCH POWER m D O / 0+00 ' • TANK ( sr !� w r 1� / "VYNCKIER DONALD GU B NO2' Z O 0 $ \\\ `\ �iNOUYE 15-31A`' � • •� (KERR-MCGEE ANADARKO) J • + $ I / \��'�+ (KERR-MCGEE ANADARKO) MW-1 llkk • ■ t LLJ O a 1 V 1 36" CMP - ® MW-3 f, \ � SURVEY INFO: 3 III I 7 S X ' � ~ X X- 589'28'42"W 1441 . 70'- X X =X 589'26'29"W 1335.55'- KING SURVEYORS O W IVIE .✓ O KERR-MCG 0 GA "' m GAS GAS GAS SOUTHWEST SIXTEENTH CORNER 65f1 C Garden Drive Windsor. Colorado R055(1 O �+ • 2 10 / 2.5' DIAMETER I z y • 2.5' DIAM ANAD: ' .0 12" STEEL PIPE SECTION 31, 7.2N., R.66W. �� 1 i�j o ti '\ t COMPRESSOR \ phone: (Q70) 686-5011 I email: info@KinOurvcynn.enm I-1FO ,Q,�,// z 1 ` \ CO � , ANADARKOKERR-MCGE �� 0 ONU#6 REBAR,ND 2" MLS 18475INUM P \ L.L a y KERR-MCGEE ANADARKO SEPARATOR �u 3 c„ I • iSEPARATOR / J n j / 12' DIAMETER '� �• V di . ' / p o ` TANK °C IV T T Ltja H SOUTH SIXTEENTH CORNER i \ N Z ` .. I / SECTION 36, T.2N., R.67W, IU 10' DIAMETER 4 in' ` �, T "FUNAKOSH I 12 DIAMETER FOUND 2 1/2"SECTION 31, ALUM NUM CAP 'VYNCKIER DONALD i TANK • COLORADO LEGEND CENTER-SOUTH SIXTEENTH CORNER DEPARTMENT I- (7 -� SAM GU NO2 11 \ a / / \ TANK ON #6 REBAR, LS 38046, 2015 GU B N01" SECTION 31, 7.2N., 11.66W. LLLL m Z KP KAUFFMAN y�h (KERR-MCG - J / FOUND 2 1/2' ALUMINUM CAP OF EASEMENT H W 10 DIAMETER // ASFOUDESCRIBEDND T CORNER = 0 v< Q NADARKO �, ON 36 REBAR, LS 30462, 2007 7KtNSPORli1 T/ON 0 �, Q TANK CENTRAL COLORADO WATER — - O MAINTAIN $Yry N CONSERVANCI"DISTR/LT (ROOK /a0.f SECTION UNE �^ // PAGE /44) ' AS T DESCRIBED BED CORNER CULVERT S - v / (REC NO. 597/6961 C!T) 'O/•-hZ7R7LL�P7rJ.N AS / / QUARTER SECTION LINE FOUND MONUMENT (RE.C. NO. /459017) RIGHT-OF-WAY FRESH WATER 'in AS DESCRIBED + 1 AC +1- N PROPERTY LINE # serer "IN UYEKAU 443 W ) W / V / PERMIT BOUNDARY 0 CALCULATED POSITION "INOUYE 4 AN WS) V SOILS TYPE N / / N / _ . , SLURRY WALL EXISTING CONTOUR REVISIONS RELOCATE ELECTRIC THE SOUTH , / / 0' / 1 Zip / , o / Al R RECORDED , X4887— (I INTERVAL) 1 • NO DESCRIPTION DATE , / A / P PLATTED / / / / 100 YR FLOODWAY FR / / / ,`1" — 100 YR FLOOD PLAIN •+0* 1 +0� 2 ,�0 3+? 4+004+58 — — M MEASURED B-6 • MONITORING WELL PHASE 1 BORE LOCATION 0.47L 3 6 I 1 1 / SILT STORAGE / EXISTING GROUND SLOPE ti / / 15.4 ACRES +/- I OJ ®MW-3 MONITORING WELL SOGT/! PROPERTY OWNER / / MINE AT 0.5H:IV / / / / 4 / / / / .1. PLATTE '' VALLEY / / / // / / a HISTORICAL / // / I WEST SIXTEENTH CORNER tt SOClFT3' ti / / / SOHEAST CORNER SECTION 31, T,2N., R.66W. / o (REC. NO EXISTING h / SECTION 36, T.2N., R.67W. / + / / FOUND 3 1/4" ALUMINUM CAP SECTION 6, T.1N., R.66W. o p_��'(fdtSkYJ / FOUND 2' ALUMINUM CAP IRRIGATION � MW-5 / / r ON #6 REBAR, LS 25937,_1984_ 3 WELL - - - - - - - - ON #6 REBAR, LS 10855, 1994 CROSS SECTION CALL OUT E— — — E N89'42'S7-W 987.31 ' — — —�t — — E - - Q - - - - OHE OHE OHE OHE OHE OHE OHE UNITED POWER OHE / CITY OF FORT LGY7r)N (REC. NO. 145.9047) SOUTH QUARTER CORNER EAST SIXTEENTH CORNER LOTS SECTION 31, T.2N., R.66W. CENTRAL WtORADO WATER SECTION 36, T.2N., R.67W. /p7/ CENTRAL -DIS7 DO WATER CONSERVANC3 D/ SECTION 1, T.1N., R.67W. �ANC7P/C! CY)NSERV-4AC)'DISTRICT I 280' W FOUND FOUND r ALUMINUM CAP (REC. NO. 397/65\5) \ \ ON #6/REC. NO 397/696) DESIGNED BY: GL DATE: JUNE, 2018 ON *6 REBAR, LS 12330, 1987 VARIES FROM MINE PERMIT/PROPERTY UNE/ROW OR EASEMENT, NO LESS THAN 20' DRAWN BY: ARR SCALE: AS NOTED CHECKED BY: ARR AS NOTED JOB NO.: 213.001.29 FLOODPLAIN INFO: AFFECTED LANDS: NOTE: TEMPORARY TOPSOIL F30.0' STOCKPILE SETBACK DWG NAME:WARRISINGCONOIRONS-INOIIYF.OYIG FLOODPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLC: CIVIL RESOURCES. LLC. IS NOT RESPONSIBLE FOR SAFETY, IN, ON, OR ABOUT THE R FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE. NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY EXISTING GRADE PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. - AND 08123C2104E GROUNDWATER PHASE I EFFECTIVE DATE: JANUARY 20. 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES. LLC. IN COOPERATION WITH SLURRY WALL TABLE 0.5 ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING MINING EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 1 1 PHASES 2-3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS ANO AMENDMENT 1L- 120 ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. 3 AGRICULTURAL FARM LAND • PROPERTY ADDRESS: - APPLICANT: DEWATERING TRENCH, 12210 WCR 144 POSITIVE DRAINAGE TO SUMP BOTTOM OF SHEET: FT LUPTON, CO. 80621 GRAVEL RESERVE BURNCO COLORADO, LLC 301 CENTENNIAL DRIVE TYPICAL - TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION MILLIKEN, CO 80543 NOT TO SCALE I Lit / 1 fi 1 RIGHT-OF-Wqy !pp rq CENTER-EAST SIXTEENTH CORNER PER QUIT CLAM DEED F<000 SECTION 36, 7.2N. , R.67W. LC IER/STINC COUNTY ROAD 14.s LC£V£RIS7INC CENTER-WEST SIXTEENTH CORNER REC. N0. 02344482 \ 1 jD E (,i/N SECTION 31, T.2N., R.66W. �� HEIN LGEVER/STINC I LG£V£R/S'T/NC LOTB N89'21 'o9' E 2767.61 ' SOIITHPIA TIF, VALLEY RE-4/4f 30' WITNESS CORNER IOTA 20' WITNESS CORNER HISTORICAL SOCIETY RICHARD LOTS LC EVER/ST/NC FOUND 2 1/2" ALUMINUM CAP RE-4/4C RE-4/45 EAST QUARTER CORNER FOUND 2 1/2" ALUMINUM CAP ON n6 REBAR, LS 30462, 2007 SECTION 36, T.2N., R,67W. ON #6 REBAR, LS 34980, 2006 . ) CIVIL KLS"V U ROES LLC 589'40'Da"E 1317. 54' 1 CENTURY LINK I�� a T30.00'>< l >L.L / .li 323 5th STREET ' / _ N89'21 '09"E �L�.��Ir� �iq - � CENTER QUARTER CORNER CENTURY LINK - • ��■� ,�� . -- ��- • • I _ 1249.60' SECTION U T.2N., OWNER 322.09' 589'40'04"E 988. 15' - - ; ; 22�______ ��-�1 fP.O. Box 680 FO '—FO-- • c • Iii "��- 1409.79' �-. + 2 75 00' �„Z'' in N89'21 09"E 653 74' 30.00' 7pp — - + 100' MV,_2 • • -:=:: � rqF FREDERICK, CO 80530 a �� 7!'% .. • •' r_ 'a°%'r}� SLURRY WALL , 1- _ "' = ` �oOp 303.833. 1416 ®� CWCWD - • • „�. ` - i-Y� • A 9 ' wqr X730. WWW. CIVILRESOURCES.COM WATERLINE. - ""'-i=C` . • • •VVER _ __ _ _ _ _ O� -__ -_ , •:��. 9 �� 0+00 / - L� r _ - P-i; \ EDGE OF RIVER / `00 (R tJlly 3+06 "1 ) }0` �'„ - . SLURRY WALL ♦ 3+ 15 3 v-s % f SLURRY WALL ':^, + / • / /� D POWER 3 5 • ,• BLANKET TRAIL FLOOD ZONE AE ♦ FLOG ' ZONE A N Cj. - F, U �' y',' I C-i O� �\ EASEMENT AGREEMENT / t REC. NO. 4233870 \ / b1 w I I EXIST BURIED w INOUYE 11-31A" f / BURNCO COLORADO, LLC _WITTED POWER �ti.�' • 1 I IRRIGATION PIPE ��%�T�� 0 ( ERR-MCGEE \ [.� '` \ EXACT LOCATION h' 70e,o...-.---r- -.........__,/ • 'VI "INO. YE 9-3• " UNKNOWN) j NADARKO} , SOGTNPLATTF. V ® O \ 301 CENTENNIAL DR. C; �.. VV (KERR MCGEE II / h J i /— ANAD RKO) < 4 VALLEY 2 �' J� / H/STOR/CAI. MILLIKEN, CO 80543 rei Z y T� I w - �° �4c :-- I / (!, n� ^ SOCIETY' 970 587 7277 '? Lt F; 1 WELL TO BE KERR-MCGEE ANADARKO J ''� ��` "" ( ,V ' '7' (R£C. NO. 0_'266:5411) \ CONTACT: MARK JOHNSON ? V GRASSHOPPER G 1 44 c' tr -.4 w MOVED OR P&A • < (KERR-MCGEE` LURRY A //j. w Q �l Y FUTURE ANADARKO)\ WALL L / (+.11:\ / 4� W N' °�° V R 4 I V STEEL BRIDGE DECK 1 ` 4� o 1{ V♦� o I RE OCki CLAIMED // paA[MED9 / f`` / 00 0 0 RECLAIMED POND 20. 5 ACRES +/- I O 'wD 15.4 ACRES +/- N POND 25-4 ACRES +/- " a+01 4+ I A r` /IirllUNITED POWERI • e GAS LINE TO BE 1141 i 4' DIAMETER / fir MOVED FUTURE N 4 7 11114 � U1�, 1 +00 0 ET • ' �' : COMPRESSOR . MIER HUT 'in ' 1 1 OOD ZO E 0 In ELECTRIC " ?)t) // I5 ; • u LINE TO BE h IIIII MOVED SAO ` \ x ,'':yh SEPARATOR O I — > 9 TO OHE ON , {:,•,,i " NORTH 3+00 fI +OC I I� E • WEST SIDE I I Cl -- G\� :,r.. /,,�;..,� 4 LO' DIAMETER what's below. Q�,"� 3+ 56 DURING - 0 O TANKyou dig ° too 200 I UN ' D MINING r I, ! ni \ �\ \ - 10 Call before POW PHASE a ♦`L 12' DIA ETER n • III to , 0 —100' / 0+ 10 x� • \ - - O TANK ' ( �1 ism W O vt Il U N N \ %/ / > "VYNCKLER DONALD GU B NO2' z i V • -�/., _ \ . i INOUYE 15-31A' � • •� j I KERR-MCGEE mom • • (KERR-MCGEE ANADARKO) / SURVEY INFO: _1 e ...- ( w 0 / " _ ___ _, ._ �i�!•' 1 9 . . _ . . / ANADARKO) MW Q N �•+ _ _ MW-3 s KING SURVEYORS U ��-_ . 589'41 '30' E 1316 98' �� iti1E„•c4a �1 ® ■ GS(1 E ---..3 I� a —X U589'26'29"W 1335.55'— Garden Drive I Windsor, Colorado 80550 -� � • }( ' X X 589'28 42"W 1441 . 70'— X X ' X 1 0 \ phone: (9711) G8G-i01 I I email: info�t;KinuSun'cy��rs.cnm Q N - / KERR-MC. GA GAS GAS GAS C Z ^ 2.5 DIAMETE: ANAL) . • 2 10 / 2-S' DIAMETER SOUTHWEST SIXTEENTH CORNER LV Jy „ COMPRESSOR SECTION 31, T,2N., R.66W. \ —\ Q ? U e� ` O C• - / KERR-MCGEE I B FOUND 2" ALUMINUM CAP ~ �/ i_ V Z \ - KERR-MCGEE ANADARKO RELOCATE GAS LINE HERE, ANADARKO �I O SEPARATOR ON 26 REBAR, L.5 18475 \ (� CL S •3 :g's Milk V r V — SEPARATOR / 40' FROM DITCH BANK 1 12 DIAMETER i- •` • r '7 V G O TANK J _ n COORDINATE WITH ° / w °C 4 .�• T �� N SOUTH SIXTEENTH CORNER ANADARKO \ N LEGEND i 5 I SECTION 36. T,2N., R.67W, • 10 DIAMETER Sc PI ` 1 . GA I O SECTION 31, T.2N., R.66W. VYNCKLER DONALD TANK COLORADO / FOUND ALIQUOT CORNER ut ~ t "FUNAKOSHI 4 12 DIAMETER FOUND 2 1/2" ALUMINUM CAP GU B NOt ' Si CENTER-SOUTH SIXTEENTH CORNER EASEMENT AS DESCRIBED o SAM GU NO2" o / TANK ON s6 REBAR, LS 38046, 2015 SECTION 31, T.2N., R.66W. DEPARTMENT vi en w Z KP KAUFFMAN p Q ` (KERR-MCGEE \ \ 10 DIAMETER FOUND 2 1/2" ALUMINUM CAP OF —— - - — SECTION LINE i O \ ANADARKO) ON 26 REBAR, LS 30462, 2007 '�r SET ALIQUOT CORNER j lit* TANK CENTRAL COLORADO WATER TR.9!YSPbRTriTIOlV QUARTER SECTION LINE "- '°`5 DESCRIBED 0 --TA �' CONSERVANCY DISTRICT (BOOR' /4 of t^ '^ SCI CQ PACiF. /44) RIGHT-OF-WAY AS DESCRIBED FOUND ENT c IT is'\ AS GAS (REC ND. 397/6961 CITY/)! FORT LUPTON co PROPERTY LINE_ (REC NO /4590171 O CALCULATED POSITION Ri In 7rdi I a n ■ PERMIT BOUNDARY 10 SOILS TYPE N 'INOUYE 44-36-Pi n Lai i / SLURRY WALL 3 ( KP KAUFMAN WELL) 1 w w ,� \ X4887— EXISTINGI RVAL) TOUR °° n -co o / �� / R RECORDED / �/ / / / 100 YR FLOODWAY REVISIONS f `f P PLATTED NO, DESCRIPTION DATE O a z o p �� — — — 100 YR FLOOD PLAIN V N / / M MEASURED • MONITORING WELL ell 0B 6 BORE LOCATION 0.4% RECLAIMED e � MW-3 EXISTING GROUND SLOPE SILT STORAGE / ® MONITORING WELL SOUTH PROPERTY OWNER 15.4 ACRES +/- / PLATTE1 VALLEY A G1 / W HISTORICAL a / o SOCIETY o (REC. NO. 1 f SECTION 36?. 4 WEST SIXTEENTH CORNER / �� (1�'b<<•f4A/ SOUTHEAST CORNER SECTION 31 , 7.2N„ R-66W ti - EXISTING T R SECTION 6, T.1N., R.66W. / � CROSS SECTION CALL OUT , .2N-, ,67W. FOUND 2" ALUMINUM CAP IRRIGATION MW-5FOUND 3 1/4" ALUMINUM CAP WELL _ ON 26 REBAR, LS 10855, 1994 ON 26 REBAR, LS 25937, 1984 4 280.00'_ _ E — — OHE . 987.31 ' er " fill �- OHE 589'34'04"w 1451 .87')HE — — - - OHE OHE OHE 589'34'04-W 1335 04' 0HE OHE OHE 0 • UN�DIT •POWER 01'IE C/T3'UFFORT!_C-P727A / N89-42'57"W 1316.42' fRC NO, /45494:1 SOUTH QUARTER CORNER LOTH SECTION 31, 7.2N. , R.66W- EAST SIXTEENTH CORNER CE.NTR IL COLORADO W 1 T£R C£N7RAL LYJLORADO WATER 1 SECTION 36, T.2N., R.67W. RE-/97/ CONS£RVA,sn•DISTR/CT SECTION 1, T. 1N., R.67W. CONSER6i1NC).D/.S/NIC%' DESIGNED BY: GL DATE: JUNE w:a FOUND 2" ALUMINUM CAP (REC. NO. 397/6%) (REC. NO. 397/6961 DRAWN BY: ARR SCALE: AS NOTED ON #6 REBAR, LS 12330, 1987 1 VARIES FROM MINE PERMIT/PROPERTY UNE/ROW OR EASEMENT, NO LESS THAN 20' CHECKED BY: GL AS NOTED TEMPORARY TOPSOIL LOB NO.: 213.001.29 FLOODPLAIN INFO: AFFECTED LANDS: NOTE : SEEDING SPEC FOR UPLAND AREAS: '_ 30.0 DWG NAME;CO' FA•EY1S1bGCD[IIONSIIOUYE.DWG STOCKPILE SETBACK FLOODPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLC: CIVIL RESOURCES, LLC 15 NOT RESPONSIBLE FOR SAFETY, IN, ON , OR ABOUT THE COMMON NAME SCIENTIFIC NAME LBS X10.0' FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY (VARIETY) PLS/ACRE SETBACK EXISTING GRADE PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. AND 08123C2104E SAND BLUESTEM (CHAMP, CHET) 1 GROUNDWATER EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC IN COOPERATION WITH SAND LOVEGRASS (BEND. NATIVE. NE27) 2 5 SLURRY WALL ACCESS ROADS BURNCO COLORADO, LLC. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING INDIAN RICECRASS (NEZPAR, RIMROCK) 3 TAB RECLAMATION EXISTING VEGETATION : AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS PRAIRIE SANDREED (GOSHEN) 0.75 1 TOTAL PERMIT AREA THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT GREEN NEEDLEGRASS (LODORM) 1 .5 3 AGRICULTURAL FARM LAND 120 ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. LITTLE BLUESTEM (BLAZE, CIMARRON, CAMPER) 0. 75 • PROPERTY ADDRESS: INCI\APPLICANT: 12210 WCR 144 YELLOW INDIANCRASS (CHEYENNE, HOLT, SCOUT) 0 5 DEWATERING TRENCH, BOTTOM OF FT LUPTON, CO. 80621 SW1TCHGRASS (BLACKWELL, NEBRASKA 28) 1 5 POSITIVE DRAINAGE TO SUMP GRAVEL RESERVE SI'EE1 : BURNCO COLORADO. LLC SAND DROPSEED 0 5 301 DRIVE TYPICAL - RECLAMATION CROSS SECTION 4 CENTENNIAL MILLIKEN, CO 80543 TOTAL LBS PER ACRE: 12.0 NOT TO SCALE I4 II MW1 MW2 MW3 MW4 MW5 WATER LEVEL 4:::- '77:pCIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES EL. = 4886.6 EL. = 4888.5 EL. = 4889.45 EL. = 4887.65 EL. = 4890.45 AND DATE ° j v v �/ ° MEASURED CIVIL RES'DURCES, LLC - / 323 5th STREET - t2- t3-2017 • / % P.O. Box 680 12- 13- 17 � FREDERICK, CO 80530 12- 13-2017 _ 12- 13- 17_t 303.833. 1416 WWW.CIVILRESOURCES.COM W.CIVILRESOURCES.COM 12- 13- 17 10 ` 12-13-2017 — 10 I?' I�® BESTWAY CONCRETE 5901 YORK STREET DENVER, CO 80261 303.288.7029 CONTACT: MARK JOHNSON - 20 — -'a, -- 20 i _/ ' 38 ---- 7 STANDARD SPLIT SPOON 47 - / 28 SAMPLE . NUMBER INDICATES # 7i: �� OF BLOWS OF A 140 LB _� HAMMER FREE FALLING O - - 30 - INCHES WERE REQUIRED w0 30 - 45 - - 30 TO DRIVE THE SAMPLER z a 49 - 1 — FOOT . ___I O Ls, L1J LaJ O is. — ' 19 21 — ' 21 > U = I a tL - _ ~ W / d �/ — 0 o 0 a 2 " 0 PIEZOMETER 10 — SLOT O w 40 - i/11g5/ 10 40 SCREEN INTERVAL - - - O w z I - - 84/ 10" _ 77_ _ NOTES : aG/ 11 ., _ / 50 _ _ � _ - SD 1 . EXPLORATORY BORINGS WERE DRILLED DECEMBER 13 , 192/11 " / 2017 WITH 4 4 " ID HOLLOW STEM AUGERS USING A 77 TRUCK MOUNTED CME - 75 RIG . REVISIONS NO DESCRIPTION DATE 2 . LINES BETWEEN MATERIALS REPRESENT APPROXIMATE - BOUNDARIES BETWEEN TYPES . TRANSITIONS MAY BE - GRADUAL . 60 - 60 . BORE LOG LEGEND: 3 . GROUNDWATER LEVELS WILL FLUCTUATE . OVERBURDEN OC SAND ro SANDY CLAY, 4 . BORING ELEVATIONS ARE ESTIMATED FROM BROWN ( TIIFFST STIFF, SLIGHTLY MOIST To MOIST, TOPOGRAPHICAL MAPPING AND SHALL BE CONSIDERED / _ - _ _ - _ _ _ - WCR 14. 5 - - - - - -_ MW- 2 APPROXIMATE . • 1 ' MW- 1 SAND: MEDIUM DENSE TO VERY DENSE, FINE TO 1 9 1 COARSE CRANED, LOCAL, GRAVELLY, LOCAL TRACE I • BH- 1 I • ,\ SILT, MOIST TO WET, BROWN (SP) / BH - 2 BH- 3 1 I ;1 SAND ANO GRAVEL; MEDIUM DENSE, FINE TO COARSE NORTH DESIGNED BY: GL DATE: JUNE, 20L8 GRAINED. MOIST TO WET, BROWN (SP. GP. SW, GW) • DRAWN BY: BP SCALE: AS NOTED GBH-4 BH - 5 BH -6 CHECKED BY: GL AS NOTED B- 6 JOB NO.: 213.001.29 B-4s_ - - _ _ _ 0 A DWG NAME{OVER-EAISINGCONDITlON5-IYCUYE.DWG CLAYSTONE: FIRM TO VERY HARD, SLIGHTLY MOIST - - - TO MOIST, OLIVE GRAY TO DARK GRAY. MODERATE MW_ 3� MW 4 TO HIGHLY PLASTIC I 1 1 I 1 I / PERMIT BORE LOGS • I BOUNDARY 8 , B-7 r . 1 I B- 2 I Know what's below. SHEET: - - — - 1IN KEY MAP Call before you di4 5 MW-5 STA 1+3465 EL 489010 STA 1+29 64 EL 4890 05 PERMIT STA 1+4252) 0JH Iv EL 4890 16 MINE SLOPE STA 0+0000 SILT POND ONLY STA 1+8222 STA 4+5837 EL 4855 62 EL 4855 57 �EL 4857 11 OHE STA 1+64 91 STA 4+58 37 EL 489016 XEL 489000 EXISTING GRADE_ 4 -,777777777777777777777777777J yy7\777777777/7777777777777777777-77777717777-7` BEDROCK Ls Ls, n w ,73 ti ti 4920 4910 4900 4890 4880 4870 4860 4850 4840 4030 0+00 0+50 1+00 STA 0+99 34 EL 4888 71-`, \ 1+50 STA 2+06 25 EL 4669 43 2+00 2+50 GA STA 0+0000 EXISTNG J GRADE 05H MINE SLOPE�� SILT POND ONLY STA 2+2031 \ EL 4854 54 BEDROCK- EL 4856 20\ 7777777777777777777777777777771771 ti n STA 2+92 05 EL 4856 75\ 7777///77 it 3+00 ti 3+50 4910 4900 4890 4880 4870 4860 4850 4840 4030 0+00 STA 040100 a 468742 0+50 1+00 1+50 SIX 7,60.10 El 430527 STA 040143 a 430118 EXISTING J 2+00 STA 141010 SIX 149650 ::"a 406611 2+50 SIX 24.1200 -EL 406075 DITCH GRADE 3H IV MINE/RECLAIM SLOPE BEDROCK SLURRY WALL OHE PERMIT BOUNDARY 3+00 SIX 144666 STA 144057 a 430647 �aI6660S S1X 145105 EL 430655 7777777// 7771717 77.171717117727777771117771717171771117 it W 4+00 CROSS SECTION SIX J43550 46.5716 4+50 010 4900 4890 4880 4870 4860 4850 4840 4830 0+00 0+50 1+00 STA 1+37 85 EL 4884 61 1+50 2+00 2+50 3+00 PYRAMAT ANCHOR TRENCH STA 0+0000 TYP PER MANUFACTURER /EL 488752 RECOMENDATIONS PYRAMAT GEOSTNTHETIC SPILLWAYS TYPICAL EXISTING GRADE 7 3H 1V STA 0+0000 MINE/RECLAIM SLOPE _ SLURRY rEL 4856 30 WALL IEDROCK 77777�7777777'777//777- STA. 1+47 33 STA 1+76 31 STA 2+09 77 EL 4887 77 EL 4887 72 /EL 4887 60 /STA 1+9800 GAS J EL 4887 51 IS STA 2+09 77 EL 4857 24 4900 4890 4880 4870 4860 4850 4840 4030 0+00 0+50 1+00 1+50 2+00 2+50 3+50 CROSS SECTION a 5 I® 4+00 5+00 CROSS SECTION f n UM) CROSS SECTION L_ ie (IN MT) CIVIL RESTPURCES, LLC 323 5th STREET P 0 Box 680 FREDERICK CO 80530 303 833 1416 WWW W CIVILRESOURCES COM BURNCO COLORADO, LLC 301 CENTENNIAL DR MILLIKEN CO 80543 970 587 7277 CONTACT MARK JOHNSON GRAVEL MINE FT LUPTON, COLORADO REVISIONS NO DESCRIPTION DATE DESIGNED BY _UL_ DRAWN BY EBB. CHECKED BY GI 10650 213 001 29 DWG NAME[OVEA 11515071 COM1O010U5-V0UYEl ID DATE JUNE. 271e SCALE. AS NOTED AS NOTED SECTION -1 SHEET 6 4920 r T. C...>--,- , `� CIVIL RES'DURCES, LLC 323 5th STREET P O Box 680 FREDERICK CO 80530 303 833 1416 WWW CIVILRESOURCES COM 4910 STA 0+07 73 STA 0+66 79 STA 1+68 34 STA 2+13 60 EL 4889 95 ,EL 4891 21 4900 DITCH - - _ / EXISTING - - - _ -- - - 7E1_4888 20 /�EL 4887 63 GRACE � 4890 EAST CELL SLURRY _ _ _ _ _ _ WALL STA 0+0000 WEST CELL J SLURRY WALL 3H 1V MINE/RECLAIM 4880 SLOPE STA 4+O1 00 BEDROCK EL 486O 97 4870 48fi0S7A2 BURNCO COLORADO, LLC 3O1 CENTENNIAL DR MIWKEN CO 8O543 97O 587 7277 CONTACT MARK JOHNSON EL 485515 y7777777777777777717777777777777777777777777777 95 EL 4885959 53 4850 4840 n 8 o m 0 EG=48556 EG=48560 n m EG=4856 7 m D EG=48574 m 0 m m m m m II EG=4859 6 m it EG=4860 2 2 m II n t!, u w 4030 5 CROSS SECTION w w w w ti w 11 w UI w w w w 3 7 p S 00 1 % rum 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 INOUYE GRAVEL MINE FT LUPTON, COLORADO STA 0+57 EL. 488500 I O STA 0+8126 EL 4885 O9 STA 1+3016 EL 4885 59 STA 1+6772 EL 4885 51 STA EL 1+772O 4882 34 PYRAMAT TYP PER RECOMENOATIONS ANCHOR TRENCH MANUFACTURER E%15TIN0 GRADE STA 3+O594 EL 4866 00 4710 4900 4890 CL WCR 145 STA EL 0+0000 4843 97 au' muE E% WATER ONE SLURRY WALL STA 1+8818 EL 4844 59 BEDROCK PYRAMAT SPILLWAYS GEOSYNTHETIC ONLY STA 3H IV MINE/ RECLAIM SLOPE 3+0594 EL 4844 66 4880 4870 4860 4850 1711/777717717777717z177711711771777'17171 4840 4830 EG=4B44 3 m EG=4844 3 n m m m EC=4844 5 EC=48445 EC=48446 EG=4844 7 a m EC=4844 9 4020 ti ti 6 CROSS SECTION w ` it it n `n ti 3 T L — w w w w w 8 (arml 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 STA 0+0000 L 4888 L 39 DITCH STA 0+9536 EL 4690 — _ — — 00 — — — — _ — STA EL 1+6060 4890 00 STA I+90 EL 4889 67 96 EXISTING CRADE—\ • 1920 STA 3+75O2 4910 EL 4888 50 4900 4890 STA 0+00 `EL 486000 00 SLURRY STA EL 2+ 4856 25 —RECLAIM IV MINE/ STA J+0699 4880 STA 3+7502 4870 / 777777777777777/777777777777777777 WALL 777777 7777 RECLAIM SLOPE EL 4854 60 EL 4853 42 4860 REVISIONS 601 DESCRIPTION DATE BEDROCK 7 4850 4840 o w 0 L% U 8 w EG=4858 5 0 II w EG=4B576 II w II w EG=4856 4 II 8 III w II 8 m 8 m 8 EG=4853 9 m 8 n 8 n 8 4030 7 CROSS SECTION 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 3 7 9Q ( IK er8r1 SEA 0+5570 EL 4888 20 STA 0+32 61 4890 EL 4890055 STA 0+1803 EL 489O OS / 4920 STA 0+7590 STA 1+15 76 4910 EL 4887 94 EL 4887 64 4900 EXISTING GRAOE� _ 4890 WCR 145 PERMIT EOA BOUNDARY SLURRY) WALL WATERLINE 4880 4870 3H 1V MINE/ 4860 DESIGNED BY , DRAWN BY ABB_ SCAEFAS NOTED CHECKED BY AS NOTED JOB NO 213 OO1 29 STA 0+0001 EL 484239 RECLAIM SLOPE 4850 DWG NAM E.00VER EA1 EMC0ADIOOSPI10UYE 04 SECTION -2 /77777777777/77777777777777777777 777/ 4840 BEDROCK 4830 8 n m 8 m I 8 m II 8 m II 8 m II 8 m 11 8 m II 8 n m II 8 m II m II 8 m II 8 8 8 8 4020 0 CROSS SECTION L j0 SHEET 7 - .1? 0+00 0+50 1+00 1+50 2+00 2+50 3+00 ImItr11 ti STA 0+4022 II EL 4887 73 STA 0+0000 EL 4841 21 7777777777777111 7 7 BEDROCK STA 04-76 78 EL 4886 80 SLURRY WALL STA 1+08 87 EL 4886 41 STA 1+18 30 EL 4883 20 II II 8 11 PYRAMAT ANCHOR TRENCH TYP PER MANUFACTURER RECOMENDATIONS STA 1+30 87 EL 4842 50 PYRAMAT GEOSYNTHETIC SPILLWAYS ONLY EXISTING GRADE STA 3+1514 EL 4886 82 311 IV MINE/RECLAIM SLOPE STA 2+4735 EL 4843 74 STA 3+15 14 \EL 4844 29 77177771777777777//7/////1///1 II it ti 4920 4910 4900 4890 4880 4870 4860 4850 4840 4830 4020 CROSS SECTION STA 0+0000 0+00 STA 0+4069 EL 4887 20 0+50 STA 04-70 74 EL 4887 30 EL 4843 20E SLURRY WALL 11111 ti 1+00 1+50 STA 0+80 23 EL 488414 PYRAMAT ANCHOR TRENCH TYP PER MANUFACTURER RECOMENDATIONS 2+00 PYRAMAT GEOSYNTHETIC SPILLWAYS ONLY 3H IV MINE/RECLAIM SLOPE 11711/1711711717711117111 BEDROCK it it 2+50 EXISTING GRADE STA 1+97 30 EL 484513 3+00 STA 2+75 00 EL 488715 STA 2+75 00 EL 484612 3+50 4920 4910 4900 4890 4880 4870 4860 4850 4840 4830 4020 0+00 STA 0+01 69 STA 0+55 00 EL 4887 51\ STA 0+0000 EL 4861 85 0+50 STA 0+8510 EL. 488755E SLURRY,/ WALL EL 488714 OSH IVJ MINE SLOPE 1+00 1+50 STA 0+9458 EL 4883 98 PYRAMAT ANCHOR TRENCH TYP PER MANUFACTURER RECOMENDATIONS PYRAMAT GEOSYNTHETIC r SPILLWAYS ONLY 11111117117111771117111 BEDROCK 0 2+00 EXISTING GRADE STA 1+7214 EL 4861 56 2+50 3+00 STA 247452 �EL 4886 96 3H IV MINE/RECLAIM SLOPE STA 2+74 52 EL 4862 84 wl 4020 4910 4900 4890 4880 4870 4860 4850 4840 4030 0+00 STA 0+0000 EL 4854 07 71117177177171711 0+50 STA 0+78 B0 STA 1+11 00 EL 4885 00\ EL. 4885 19 DITCH 1+00 1+50 STA 1+4136 EL. 4885 08 II SLURRY WALL II 2+00 STA 1+50 84 EL 4881 92 PYRAMAT ANCHOR TRENCH TOP PER MANUFACTURER RECOMENDATIONS 2+50 PYRAMAT GEOSYNTHETIC SPILLWAYS ONLY 3H IV MINE/ RECLAIM SLOPE 117117/1177711/11717 7 BEDROCK LT, II W II W II EXISTING GRADE Cr"?, 3+00 STA 2+5307 EL 4851 28 4920 4910 4900 4890 4880 4870 4860 4850 4840 4030 0+00 0+50 1+00 1+50 2+00 2+50 3+00 CROSS SECTION CROSS SECTION CROSS SECTION ° IN FUT) 100 88 y -EXIST GROUND 6 TYPE II BEDDING TYPICAL SPILLWAY SECTION NOT TO SCALE 6 6 1 75 TYPE M BURIED RIP RAP OR APPROVED EOUAL OVER 6 TYPE II BEDDING CIVIL RESURCES, LLC 323 5th STREET P O Box 680 FREDERICK CO 80530 303 833 1416 WWW CIVILRESOURCES COM BURNCO COLORADO, LLC 301 CENTENNIAL DR. MILLIKEN CO 80043 970 587 7277 CONTACT MARK JOHNSON GRAVEL MINE FT LUPTON, COLORADO REVISIONS NO DESCRIPTION DATE DESIGNED BY _BL_ DRAWN BY .E& CHECKED BY .DL_ JOB NO 213 001 29 DWG NAME,COSA*l6RNGCENIRIOYSII0NT 0 ,L DATE JUNE, Iota SCALP. AS NOTED AS NOTED SECTION -3 SHEET 8 CIVIL RES`JURCES, LLC 323 5th STREET P 0 Box 680 FREDERICK CO 80530 303 833 1416 WWW CIVILRESOURCES COM BURNCO COLORADO, LLC 301 CENTENNIAL DR. MILUKEN CO 80543 970 587 7277 CONTACT MARK JOHNSON EXISTING GRADE —\ SA I. ze• Imam HIGH WALL DITCH COUNTERACTING FORCE OF A LARGER SOIL WEDGE DUE TO A SHALLOWER SLOPE -77777777777777//1777"777 7 SLURRYWALL ,�;s OHE PERMIT S. JSI ET JIX BOUNDARY " '°"'a DRIVING FORCE \777777 777777 7777777171177777777777177177777777777777777777 77- �� 0 5H 1 V MINE SLOPE BEDROCK STILL SAFE BUT NOT AS SAFE AS A 3H 1V DUE TO LESS 3H 1 V MINE/RECLAIM SLOPE COUNTERACTING SOIL RESISTING THE SAFER SLOPE DRIVING FORCE Es, 4910 4900 4890 488O 4870 4860 4850 4840 4030 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 GRAVEL MINE FT LUPTON, COLORADO REVISIONS NO DESCRIPTION DATE DESIGNED BY_ DRAWN BY ARR CHECKED BY GL JOB NO 213 001 29 DWG NAM VOSRR.E STPIG OHOMONS-N0009000 DATE ,u 2016 SCAT F. AS NOTED AS NOTED EXAMPLE SLOPE SHEET MINING PLAN & RECLAMATION PLAN EXHIBIT D - MINING PLAN This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.4 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Description of the method(s) of mining to be employed in each stage of the operation as related to any surface disturbance on affected lands; The proposed permit area includes a significant deposit of sand and gravel located in the alluvium of the South Platte River in Weld County. The site is located south of Weld County Road 14.5 and is west of Highway 85. It encompasses 122 acres +/-. Site Preparation: Initial disturbance of the property will include: clearing the site of existing structures (with exception of the structures to remain), constructing the slurry wall, dewatering the site, and stripping the topsoil and overburden material. Mining: After the slurry wall installation, dewatering trenches will be excavated down to bedrock to dewater the portion of the site located within the slurry wall. Groundwater collected in the dewatering trench will be pumped into a settling pond and ultimately discharged to the South Platte River located initially on the east end of the property and eventually on the west end of the property. Once water levels are controlled through the dewatering system, scrapers will strip the topsoil and overburden material from a given phase and stockpile them separately for use during site reclamation. Any excess material not needed for reclamation may be sold or hauled off -site during the life of the mine. The sand and gravel material will be excavated down to bedrock. Each phase will be dry -mined using scrapers, bulldozers, front-end loaders, excavators, or similar equipment. The mining on this site will progress in four phases, ranging in size from 20-25 acres and proceeding from west to the east. The operator will develop and comply with a Stormwater Management Plan and Spill, Prevention, Control and Countermeasures Plan. The operator will notify the Division of Reclamation and Mine Safety and in the event of a reportable spill. Processing: All material mined under this proposed application will be transported by conveyor or haul truck to the processing area. The processing area will be located on the west side of the site for the entire project. Once mining of that area has ceased the processing plant will be moved to the east side of the site. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D -1 Import Material: Burnco Colorado, LLC may import material from and export material to other sites. The applicant is aware that in accordance with Rule 3.1.5(9) of the Construction Material Rules and Regulations, if any offsite material is used as backfill, a notarized letter will be submitted to the Division indicating the materials are inert. The applicant will supply such a letter to the Division if, at the time of Reclamation, the applicant intends to use off -site material as backfill. (b) Earthmoving; Topsoil and overburden will be stripped with scrapers or bulldozers and stockpiled in segregated piles at the edge of the active mine phase. Excavators, front-end loaders, and bulldozers will be used to excavate the material. Conveyor belts or haul trucks will be utilized to transport the raw material from the active mine phase to the processing area. Phase 1 will be mined at a 0.5H:1V slope. Phases 2a, 2b and 3 will be mined at 3H:1V. (c) All water diversions and impoundments; and The perimeter of the mined area will be dewatered by digging a trench to bedrock. The water will be pumped into a settling pond and discharged in accordance with a CDPS permit. Wash water for the processing area will be recycled through a series of small ponds within the processing area. The water required to operate the facility will likely be provided by the existing water rights associated with the property. No ditches will be disturbed without prior authorization of the appropriate ditch company. (d) The size of area(s) to be worked at any one time. Excluding the processing area, the maximum area to be worked on at any one time is approximately 30 acres. (e) An approximate timetable to describe the mining operation. The timetable is for the purpose of establishing the relationship between mining and reclamation during the different phases of a mining operation. The Operator anticipates that mining will commence as soon as all permits are in place. The Operator anticipates extracting approximately 500,000 tons of aggregate per year, however, production rate may vary based on market demands. Timetable for Mining and Reclamation Phase 1: Mining will begin with the silt storage area in the first year. Stripping of the plant area and proposed concrete and asphalt plants will also occur. The stockpile area will be stripped during this time. This area will take approximately a year to reclaim and will happen at the end of the mine. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D - 2 Phase 2: This phase will consist of approximately 2a and 2b and will take approximately 7 years to mine and 2 years to reclaim. Phase 3: This phase will consist of the eastern cell and will take approximately 3 years to mine and 2 years to reclaim. Reclamation will begin immediately after mining is complete. When possible, concurrent reclamation practices will be used to minimize site disturbance and to limit material handling to the greatest extent possible. Please refer to the Mining Plan Map in Exhibit C for phase areas to be mined, locations and areas. The table below summarizes the approximate quantities in the mining areas. Mining Phase Gravel Overburden Time (tons) (tons) (yrs) 1 1,200,000 148,000 2.4 2a 1,900,000 244,000 3.8 2b 1,600,000 197,000 3.2 3 1,700,000 242,000 3.4 Total 6,400,000 831,000 12.8 (f) Use Mining Plan Map in conjunction with narrative to present: (i.) Nature, depth and thickness of the deposit and thickness and type of overburden to be removed Exploratory borings drilled (December, 2017) primarily along the perimeter of the site, encountered approximately two to four feet of overburden topsoil, silty sands and sandy lean clays overlying approximately 22 top 45 feet of sand and gravel on top of primarily claystone bedrock. Refer to the Stability Analysis (Exhibit S) for locations of the property extents and boring locations. The bedrock depths in the proposed mine areas ranged from approximately 25 feet to 45 feet below the ground surface. Nature of the stratum immediately beneath the material to be mined in sedimentary deposits The site is located approximately 20 miles east of the foothills of the Colorado Front Range on the western flank of the Denver Structural Basin. The basin is a downwarp of sedimentary strata that tends north-northwest, parallel to the mountain front. In the project area, the sedimentary bed dips gently eastward toward the axis of the basin east of the site. Based on regional geologic mapping (Colton, 1978), the near surface bedrock in the project area is the Paleocene and Upper Cretaceous Denver and Arapahoe Formations. The bedrock is overlain by upper Pleistocene and Holocene (Quarternary age) gravel deposits and eolian (wind blown) overburden soils. The gravel deposits exist primarily within the Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D - 3 Broadway Alluvium deposit. The bedrock unit consists mainly of claystone and may contain lenses of siltstone and sandstone. (g) Identify the primary and secondary commodities to be mined/extracted and describe the intended use. The primary commodities are sand, gravel and fill; intended for construction materials. (h) Name and describe the intended use of all expected incidental products to be mined/extracted by the proposed operation. There are no expected incidental products to be mined. (I) Specify if explosives will be used in conjunction with the mining (or reclamation) No explosive material will be used on -site. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D - 4 EXHIBIT E - RECLAMATION PLAN This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.5 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: The proposed mining and reclamation plan focuses on minimizing the ecological impacts of mining, minimizing the length of time of impact, and maximizing long-term benefits. (a) A description of the type(s) of reclamation the Operator proposes to achieve in the reclamation of the affected land, why each was chosen, the amount of acreage accorded to each, and a general discussion of methods of reclamation as related to the mechanics of earthmoving; The mined area will be reclaimed to a lined water storage reservoir due to a need within the state for water storage facilities. Refer to Exhibit F for the acreages and additional details. Earthmovinq The topsoil will be replaced by a scraper and generally graded with a blade. All grading will be done in a manner that controls erosion and siltation of the affected lands, to protect areas outside the affected land from slides and other damage. In addition, all backfilling and grading will be completed as soon as feasible after the mining process. All disturbed areas will be regraded and smoothed to a finished grade that is suitable for revegetation or the final land use. As noted previously, the area will be reclaimed as mining proceeds. Finish grading, topsoil placement and seeding will occur throughout the life of the mine. Once the resource is completely removed, final grading and vegetation of the slopes will be completed. The empty vessel will be available for water storage. A typical cross-section of the shoreline is included on the Reclamation Plan Map. (b) A comparison of the proposed post -mining land use to other land uses in the vicinity and to adopted state and local land use plans and programs. The water storage reservoirs will be compatible with the other land uses in the vicinity, which includes farmland, industrial land, and rural residential. (c) A description of how the Reclamation Plan will be implemented to meet each applicable requirement of Section 3.1. The Operator will carry reclamation to completion with reasonable diligence. Each phase of reclamation will be completed within one to two years from completion of mining, but not more than five years from the date the Operator informs the Board or Office that such phase has commenced. Section 3.1.5 Reclamation Measures Material Handling Grading will be performed to help control erosion and siltation of the affected lands through phased mining, implementing good operation techniques to handle material as little as possible, and vegetation of stockpiles remaining in place for more than one growing season. Although the use of erosion protection devices is not anticipated, if deemed necessary by the Burnco Colorado, LLC —Lupton Meadows Gravel Mine — MLRB 112 Permit Application Exhibit E -1 operator at the time of excavation, silt fence and haybale dams will be installed to prevent erosion. Backfilling and grading will be completed as soon as feasible after the mining process is complete for each phase. Maximum slopes and slope combinations will be compatible with the configuration of surrounding conditions and selected land use. Mining will occur at a slope that is stable. Reclaimed slopes in the water storage reservoir will not be steeper than a 3:1 ratio. The upland area will be reclaimed to grades consistent with pre -mining elevations. The operator will backfill using fill material generated on -site, or imported inert fill generated outside the permit area. If any inert off -site material is used as backfill, a notarized letter will be submitted to the Division as required by Section 3.1.5(9) of the MLRB Construction Material Rules and Regulations. It is not anticipated that mining will uncover any refuse or acid-forming or toxic producing materials, however if any such materials are encountered the operator will take precaution to handle the materials in a manner that will control unsightliness and protect the drainage system. Drill or auger holes that are part of the mining operation shall be plugged with non- combustible material, which shall prevent harmful or polluting drainage. Any test pits, soils boring holes, or monitoring wells not located within the mine excavation limits will be plugged as soon as it can be confirmed that they are no longer needed for the operation. Mined material to be disposed of within the affected area will be handled in such a manner so as to prevent any unauthorized release of pollutants to the surface drainage system. No unauthorized release of pollutants to groundwater shall occur from any materials mined, handled or disposed of within the permit area. Section 3.1.6 Water -General Requirements: The Operator will comply with applicable Colorado water laws governing injury to existing water rights and with applicable state and federal water quality and dredge and fill laws and regulations. The operator will develop and comply with a stormwater management plan and will use best management practices (BMPs) to ensure groundwater and surface water are protected to the greatest possible extent. BMPs include schedules of activities, prohibitions of practices, maintenance procedures and other management practices to prevent or reduce the pollution in runoff from the site. Section 3.1.7 Groundwater - Specific Requirements: The Operator will comply with the applicable standards and conditions for classified and unclassified groundwater. Section 3.1.8 Wildlife: The mining and reclamation plans have been designed to account for the safety and protection of wildlife on the mine site. The Operator will mine the site in phases and use concurrent reclamation methods to minimize the impact on wildlife. As described in the Two Dot Consulting site assessment, Exhibit H of this application, the proposed reclamation plan may improve wildlife habitat. The proposed seed mix and Burnco Colorado, LLC —Lupton Meadows Gravel Mine — MLRB 112 Permit Application Exhibit E - 2 plantings will create improved cover, foraging, roosting, and nesting areas for wildlife. The water area within the reservoir will serve as habitat for waterfowl and other bird species and the fringes of the reservoir will be used by mammal, bird, reptile and amphibian species. Control and/or removal of noxious and weedy species during the project and the replacement of desirable graminoid, forb, shrub and tree species during reclamation will result in enhancement of wildlife habitat on the project site. Section 3.1.9 Topsoiling Topsoil shall be removed and segregated from other spoil. Topsoil stockpiles shall be stored in places and configurations to minimize erosion and located in areas where disturbance by ongoing mining operations will be minimized. Once stockpiled, topsoil shall be rehandled as little as possible. Stockpiles that will remain in place for more than one growing season will receive vegetative cover, as outlined on the Reclamation Plan Map, as soon as possible to minimize erosion. Section 3.1.10 Revegetation: In those areas where revegetation is part of the reclamation plan, the land shall be revegetated in a manner that establishes a diverse, effective, and long-lasting vegetative cover that is capable of self -regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. The proposed seed -mix and plantings for reclamation are outlined on the Reclamation Plan included in Exhibit F of this application. Section 3.1.11 Buildings and Structures: Please refer to the enclosed Reclamation Plan included in Exhibit F. Section 3.1.12 Signs and Markers: The Operator will post appropriate signage at the entrance to the mine site. The permit area will be marked by existing fencing, or proximity to existing County roads. (d) Plans for topsoil segregation, preservation and replacement; for stabilization, compaction and grading of spoil; and for revegetation. Topsoil will be removed and segregated from other spoil. Topsoil not needed for reclamation may be sold or removed from the site. For reclamation, topsoil will be replaced by a scraper and generally graded with a blade. Grading shall be done in a manner that controls erosion and siltation of the affected land and protects areas outside the affected land from slides and other damage. In addition, backfilling and grading shall be completed as soon as feasible after the mining process. Final grading will create a final topography that is appropriate for the final land use. For example, final grading of the reservoir above the high water line will replace material at a maximum 3:1 slope to meet the grade at the top of the banks. Topsoil will be uniformly placed and spread on areas disturbed by the mining, above the anticipated high water line. The minimum thickness shall be 6 inches above the surrounding finished grade, consistent with existing topsoil depths on -site. The topsoil shall be keyed to the underlying and surrounding material by the use of harrows, rollers or other equipment suitable for the purpose. Burnco Colorado, LLC —Lupton Meadows Gravel Mine — MLRB 112 Permit Application Exhibit E - 3 In those areas where revegetation is part of the reclamation plan, the Operator will revegetate the land in such a manner so as to establish a diverse, effective, and long- lasting vegetative cover that is capable of self -regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. Seed will be drilled and mulched. The revegetation seeding and plant list on the Reclamation Plan Map contains the preferred species of grasses, shrubs and trees to be planted. Seeding will take place once final grading and replacement of topsoil have been completed for each phase. Timing of seeding will be consistent with standard horticultural practice for dryland applications - generally between late September and the middle of April to ensure there is adequate moisture for germination. (e) A plan or schedule indicating how and when reclamation will be implemented. Include: i. An estimate of the periods of time which will be required for the various stages or phases of reclamation. Please refer to the Timetable for Mining and Reclamation in Section (e) of Exhibit D. ii. A description of the size and location of each area to be reclaimed during each phase. Please refer to the Reclamation Plan Map (Exhibit F). iii. Outlining the sequence in which each stage or phase of reclamation will be carried out. Please refer to the Timetable for Mining and Reclamation in Section (e) of Exhibit D. (I) A description of. i. Final grading - maximum anticipated slope gradient or expected ranges thereof; The finished slopes of the reservoir will be 3 horizontal to 1 vertical. ii. Seeding - types, mixtures, quantities and time of application; Please refer to the Reclamation Plan Map for the list of plant materials and seeds to be utilized. The operator will seed during the appropriate season to ensure adequate moisture for germination and implement weed controls to allow the grasses to successfully establish. Additional plantings may be installed once the reservoirs are full of water and the grasses are established. iii Fertilization -types, mixtures, quantities, and time of application; The type and application rate of fertilizer shall be determined based on a soil test at the time of final reclamation. iv. Revegetation - types of trees, shrubs, etc.; and Burnco Colorado, LLC —Lupton Meadows Gravel Mine — MLRB 112 Permit Application Exhibit E - 4 Please refer to the Reclamation and Landscape Plan Maps for the types, quantities and location of trees and shrubs to be planted. v. Topsoiling — specify anticipated minimum depth or range of depths for those areas where topsoil will be replaced. Topsoil will be uniformly placed and spread on all areas disturbed by the mining above the anticipated high water line. The minimum thickness shall be 6 inches above the surrounding finished grade. WEED MANAGEMENT PLAN Burnco Colorado, LLC has a full-time weed manager on staff. This person is responsible for monitoring and controlling noxious weeds as they appear. Burnco Colorado, LLC typically prefers to control weeds mechanically, by mowing and/or discing. If necessary, weeds will be killed with a contact herbicide. Burnco Colorado, LLC has all of the necessary equipment in house to perform these tasks. Burnco Colorado, LLC —Lupton Meadows Gravel Mine — MLRB 112 Permit Application Exhibit E - 5 BONDING COST EXHIBIT L - RECLAMATION COSTS The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.12 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: Please refer to the attached table for estimates of quantities and associated costs. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit L -1 Attachment for Exhibit L Inouye - Gravel Mine - Reclamation Cost Estimate Activity Quantity Units Unit Costs Cost A. Phase 1 1 Final grade and place 6" of topsoil on the entire disturbed area 15,324 CY $ 1.05 $ 16,089.68 2 Seed and mulch 19.00 Acres $ 977.00 $ 18,563.00 3 Scarify ground 19.00 Acres $ 150.00 $ 2,850.00 5 Backfill Silt Storage above Water Surface Elevation (9' to groundwater) 199,100 tons $ 0.50 $ 99,550.00 Subtotal $ 137,052.68 B. Phase 2a 1 Final grade and place 6" of topsoil on the entire disturbed area 4,033 CY $1.05 $ 4,234.13 2 Seed and mulch 5.00 Acres $977.00 $ 4,885.00 3 Scarify ground 5.00 Acres $150.00 $ 750.00 4 Spillways (includes pyramat, revegetation and riprap) 2.00 EA $35,000.00 $ 70,000.00 Subtotal $ 79,869.13 C. Phase 2b 1 Final grade and place 6" of topsoil on the entire disturbed area 4,033 CY $1.05 $ 4,234.13 2 Seed and mulch 5.00 Acres $977.00 $ 4,885.00 3 Scarify ground 5.00 Acres $150.00 $ 750.00 4 Spillways (includes pyramat, revegetation and riprap) 2.00 EA $35,000.00 $ 70,000.00 Subtotal $ 79,869.13 D. Phase 3 1 Final grade and place 6" of topsoil on the entire disturbed area 4,033 CY $1.05 $ 4,234.13 2 Seed and mulch 5.00 Acres $977.00 $ 4,885.00 3 Scarify ground 5.00 Acres $150.00 $ 750.00 4 Spillways (includes pyramat, revegetation and riprap) 2.00 EA $35,000.00 $ 70,000.00 Subtotal $ 79,869.13 F. Processing Area. Sand, gravel, concrete and asphalt materials are a commodity and therefore no cost would be incurred for reclamation. In addition, the mobile sales office and scale will have a value that would offset any cost for reclamation. 1 Move serge piles into settling/silt pond 1,000 CY $ 1.05 $ 1,050.00 2 Remove concrete pad for concrete plant 8 CY $ 65.00 $ 520.00 3 Remove concrete pad for asphalt plant 8 CY $ 65.00 $ 520.00 4 Remove concrete pad for recycling plant 5 CY $ 65.00 $ 325.00 5 Remove concrete footings for office 10 CY $ 65.00 $ 650.00 6 Remove concrete base for scale 5 CY $ 65.00 $ 325.00 7 Scarify ground 2.6 Acres $ 150.00 $ 390.00 8 Spread 6" topsoil 2,097 CY $ 1.05 $ 2,201.75 9 Seed and Mulch 2.6 Acres $ 800.00 $ 2,080.00 Subtotal $ 8,061.75 G. Slurry Wall - Assuming a total of 9,936 If of wall, assumed depth of 40' + 3' into base 1 Excavation, Materials and Labor and Dewatering 427,248 Face Ft $ 4.30 $ 1,837,166.40 Subtotal $ 1,837,166.40 Total Disturbance Costs $ 2,221,888.20 Indirect Costs Overhead & Profit Performance Bond (2.02%) - Based on DRMS estimate $ 44,882.14 Performance Bond (3.07%) - Based on DRMS estimate $ 23,329.83 Job Superintendent (240 hours @ $75/hr) - Based on DRMS estimate $ 18,000.00 Contractor Mob and DeMob (3%) - Based on DRMS estimate $ 66,656.65 Contractor Overhead and Profit (10%) - Based on DRMS estimate $ 222,188.82 Subtotal $ 375,057.43 Contract Amount (direct + O & P) $ 2,596,945.63 Legal, Engineering & Project Management Financial warranty processing (legal/related costs) ($500) $ 500.00 Engineering Work and/or contract/bid preparation (4.25%) $ 110,370.19 Reclamation management and/or administration (5%) - Based on DRMS estimate $ 129,847.28 Contingency (3%) $ 66,656.65 Subtotal $ 307,374.12 otal Indirect Costs $ 682,431.55 ota( `` Bond Amount.' .. ~ Andy Rodriguez From: Sent: To: Subject: Andy, Jon McElwain <jmcelwain@hall-irwin.com> Thursday, August 23, 2018 3:32 PM Andy Rodriguez (andy@civilresources.com) Slurry Wall Costs Below is a breakout of our slurry wall s.f. unit cost. Two projects constructed last year are listed side by side. Mobilization: Backfill and Excavation: Cap Construction Eng., Test, Reports, Leak test: Total S.F. cost: $0.35 $0.28 $3.42 $3.58 $0.14 incl. $0.40 $0.33 $4.31 $4.19 Please let me know if you have any questions. Thank you, Jon McElwain Project Manager' Hall -Irwin Corporation 301 Centennial Drive) Milliken, CO 80543 T. 970.587.6940 I C. 970.397.7462 x HALL-IRWIN CORPORATION Virus -free. www.avg.com 1 SLOPE STABILITY MEMO CIVIL RESVURCES, LLC ENGINEERS & PLANNERS MEMORANDUM TO: Project File FROM: Civil Resources, LLC DATE: October 30, 2018 RE: Inouye Gravel Mine, M2018-037 -Slope Stability Discussion (Excavation Slope Change) This memo summarizes the change from a 0.5 horizontal to 1 vertical (0.5Hto1V) mining slope to a 3 horizontal to 1 vertical (3H:1V) mine slope. An extensive slope stability analyses was performed showing the slopes and setbacks are safe for the original mining 0.5H to 1V slope per Division of Reclamation Mining and Safety (DRMS) guidelines. The miner will change the proposed mining method to mine at a shallower 3H:1V slope to limit reclamation costs and give themselves the flexibility to sell or use the overburden onsite or for other gravel mines they own and operate. Slope Stability is the method the engineer uses to determine if the slopes will slough or fail as a result of the driving force and the counteracting force. This is why full below grade reservoirs are very safe because the water inside the below grade portion of the reclaimed mine counteracts the driving force from the pushing/sloughing slope. The engineers provide recommendations based on the onsite materials, geotechnical investigations and their overall familiarity of the mine and mining methods. Typical methods of mining are steep slopes which require greater setbacks and further reclamation. Shallow slopes require less of a setback and can be reclaimed as they were mined requiring less maintenance and less of a tendency to slough. The miner will change the method of mining to a shallower 3H:1V slope. This slope is significantly safer than the 0.5H:1V slope especially when the mine highwall (the initiation point the miner starts to excavate) does not move back towards any structures. By mining a shallower slope the counteracting forces pushing against the sloughing soil are greater and therefore are safer than a steeper mine slope. A figure has also been attached depicting this. 323 FIFTH STREET • FREDERICK, COLORADO 80530 • PHONE: 303.833.1416 • FAX: 303.833.2850 PROOF OF PUBLICATION PUBLIC NOTICE Burnco Colorado, LLC is applying for a MLRB permit to mine sand at the project site. The site is locat- ed on the south side of WCR 14.5, west of the South Platte River. More specifically, the site is within parts of Section 31, Township 2 North, Range 66 West; and Section 36, Township 2 North, Range 67 West of the 6th Principal Meridian. The mine is in an area of irrigated agri- cultural land with common oil and gas wells and related infrastructure and is bound by Weld County Road (WCR) 14.5 on the north; the South Platte River on the east; City of Fort Lupton waste water ponds and ir- rigated cropland on the south, and greenhouses on the west. The proposed date of commence- ment is late of 2019, and the pro- posed date of completion is Winter 2030. The proposed future use of the land is water storage and pas- ture. Additional information and tenta- tive decision date may be obtained from the Division of Reclamation Mining and Safety, 1313 Sherman Street, Room 215, Denver, Colora- do 80203, (303) 866-3567, or at the Clerk to the Board of County com- missioners, or the above named applicant. Comments must be in writing and must be received by the Division of Reclamation Mining and Safety by 4:00 p.m. on September 11th (20th day after the 4th publication) Please contact Andy Rodriguez with Civil Resources at (303) 833-1416 ex. 202 if you have any questions or comments regarding this appli- cation. Published in the Ft. Lupton Press on August 1, 8, 15 & 22, 2018. #181008 Andy Rodriguez From: Sent: To: Subject: Hello Andy, Cynthia Fitch <cfitch@metrowestnewspapers.com> Thursday, August 16, 2018 8:16 AM Andy Rodriguez Re: advertisement I was just notified by my production team that your notice did not publish on the 15th as scheduled. I will be scheduling it publish on the 29nd but I wanted to let you know there was an issue and a delay in publication. PN Burnco Colorado LLC application for a MLRB permit Cynthia Fitch C: 505.426.4009 Legal Advertising MetroWest Newspapers Landmark Community Newspapers, Inc. Legals@metrowestnewspapers.com Early Deadline For The Labor Day Holiday: Thursday 08/30 for the September 4th and 5th Editions. From: Andy Rodriguez <andy@civilresources.com> on behalf of Andy Rodriguez <andy@civilresources.com> Date: Wednesday, July 25, 2018 at 1:49 PM To: Lega Is <cfitch@metrowestnewspapers.com> Subject: RE: advertisement Cynthia, I need another advertisement in the Fort Lupton press. See attached. Andy From: Cynthia Fitch [mailto:cfitch@metrowestnewspapers.coml Sent: Friday, July 6, 2018 9:53 AM To: Andy Rodriguez <andy@civilresources.com> Subject: Re: advertisement Hello Andy, Your Affidavit of Publication is attached. If there are any questions please let me know. PN Hunt Water LLC Gravel Mine Application Cynthia Fitch 1 C: 505.426.4009 Regional Supervisor Landmark Community Newspapers, Inc. MetroWest Newspapers Las Vegas Optic CFitch@metrowestnewspapers.com CFitch@lasvegasoptic.com From: Andy Rodriguez <andy@civilresources.com> on behalf of Andy Rodriguez <andy@civilresources.com> Date: Monday, June 4, 2018 at 11:31 AM To: Legals <cfitch@metrowestnewspapers.com> Subject: FW: advertisement Here is the word doc. Scheduled to be published in the Ft. Lupton Press June 13, 20, 27 & July 4, 2018. I believe we have an account. Civil Resources. From: Andy Rodriguez [mailto:andy@civilresources.com] Sent: Monday, June 4, 2018 10:30 AM To:'clitch@metrowestnewspapers.com' <cfitch@metrowestnewspapers.com> Subject: advertisement Cynthia, I need to place an ad in the Fort Lupton Press. Can I just send you the verbiage? 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Go to our FAQs section to find answers to your tracking questions. https://tools.uses.com/go/TrackConfirmAction?tRef=fullpage&tLc=3&text28777=&tLabels=70132250000070212266%2C%2C 1/2 CIVIL RES4VURCES, LLC ENGINEERS & PLANNERS October 4, 2018 VIA: Certified Mail RE: Structure Owner Agreements Dear Structure Owner/Representative: RECEIVE OCT 05 2018 Wsa ELD C01.,.. C0M'URS! eNq;; Burnco Colorado, LLC plans to mine the Inouye Property shown on the attached Figures starting in late 2019. Per the Colorado State Division of Reclamation, Mining and Safety (DRMS) Burnco Colorado, LLC is required to issue structure agreements to all structure owners within two -hundred feet of the mine boundary. Please read the information attached and sign and return the agreement using the self-addressed stamped envelope. Attached for your reference is the slope stability analysis submitted to the DRMS. If you have any questions or require more information please contact Andy Rodriguez at 303 833 1416x202. Sincerely, CIVIL RESOURCES, LLC Andy Rodriguez, P.E. Civil Engineer attachments: Slope Stability Analysis Structure Agreement J:1Bestway-21311nouyelDRMSIExhibits\ Stability Analysislstructure agreements\structure owner letter.doc Pc)blic (0(10(I cc- PC.CTP),PwCE.R(CHIJPMCtc) 1O(' (1S' QO18--`DI 1O 323 FIFTH STREET • FREDERICK, COLORADO 80530 • PHONE: 303.833.1416 • FAX: 303.833.2850 CERTIFICATION The Applicant, Burnco Colorado , LLC (print applicant/company name), by(print representative's name as Manager (print Mark Johnson p ), representative's title), does hereby certify that Weld County Pub. Wrks (WCR 14.5)(structure owner) shall be compensated for any damage from the proposed mining operation to the above listed structure(s) located on or within 200 feet of the proposed affected area described within Exhibit A, of the Reclamation Permit Application for Inouye - Gravel Mine (operation name), File Number M-24: - This form has been approved by the Colorado Mined Land Reclamation Board pursuant to its authority under the Colorado Land Reclamation Act for the Extraction of Construction Materials and the Colorado Mined Land Reclamation Act for Hard Rock, Metal, and Designated Mining Operations. Any alteration or modification to this form shall result in voiding this form. NOTARY FOR PERMIT APPLICANT ACKNOWLEGED BY: Applicant Burnco Colorado, LLC Date October it , 2018 STATE OF (AAra�1. COUNTY OF ) ss. Representative Name Title Manager Mark Johnson \ik,k..0../\(:., The foregoing was acknowledged before me this 1i day of do h , 20 19 , by 1MArk. as of 134ryi.a lvl,,.+rly-LLL Notary Publ My Commission Expires: t1 i 2 f l `( r ---- ANDY R.ODRIGUEZ NOTARY PUBLIC STATE OF COLORADO . My Commission Expires on May 31, 2018 Mr. Mark Johnson, Compliance Manager Burnco Colorado, LLC 301 Centennial Drive Milliken, Colorado 80543 Re: Stability Analysis for the Inouye Gravel Mine Dear Mr. Johnson: This letter has been prepared to address the Mined Land Reclamation Board (MLRB) Construction Materials Rule 6, Section 4, Subsection 19, Exhibit S - Permanent Man -Made Structures (6.4.19, Exhibit S) for the proposed Inouye Gravel Mine located at and in the vicinity of 12210 Weld County Road (WCR) 14.5 in Weld County, Colorado. This letter describes the project and slope stability analyses utilized to evaluate the minimum distance between the edge of mining and adjacent structures to avoid damage to the structure. The site is located on the south side of WCR 14.5, west of the South Platte River. More specifically, the site is within parts of Section 31, Township 2 North, Range 66 West; and Section 36, Township 2 North, Range 67 West of the 6th Principal Meridian. The mine is in an area of irrigated agricultural land with common oil and gas wells and related infrastructure and is bound by Weld County Road (WCR) 14.5 on the north; the South Platte River on the east; City of Fort Lupton waste water ponds and irrigated cropland on the south, and greenhouses on the west. The mine and vicinity are shown on Figure 1. The site will be mined in three cells located on the southwest, northwest and the northeast parts of the site. Oil and gas wells and facilities separate the southwest and northwest cells. The Lupton Bottom Ditch separates the northwest and northeast cells. The northeast and northwest cells will be lined with soil-bentonite slurry walls and will be reclaimed as below grade reservoirs. The southwest cell will receive wash fines from the processing of mined sand and gravel. Based on the stability analyses, this report indicates that the setbacks and perimeter slopes in the mining plan are sufficient to protect structures within 200 feet of the permitted mining boundary. Actual setbacks may be greater due to permit limitations, zoning requirements, construction issues, agreements with owners, and extent of economically mineable aggregate or other issues. GEOLOGY The site is located approximately 20 miles east of the eastern flank of the Rocky Mountain Front Range. Younger sedimentary strata dip eastward off the Pre -Cambrian igneous and metamorphic rocks that form the core of the Front Range into the Denver Structural Basin. The Denver Basin is an asymmetrical downwarp of sedimentary strata with a steeply dipping west limb and a gently dipping east limb. Bedrock does not crop out at the site, however regional geologic mapping of the area (Colton, 1978) indicates the near surface bedrock at the site is most likely either the Laramie or the Denver and Arapahoe Formations (Colton, (1978) maps the Denver and Arapahoe Formations as undifferentiated). Colton (1978) describes the Laramie as mostly claystone, shale, sandy shale, and lenticular sandstone. The Lower Laramie is described as sandstone, sandy shale, and claystone with several coal beds. Colton (1978) describes the Denver and Arapahoe Formations as claystone and siltstone interbedded with tuffaceous sandstone and conglomerate. The regional mapping indicates the bedrock is overlain by the Piney Creek Alluvium. Colton (1978) describes the Piney Creek as sandy and gravelly alluvium in which the upper part is characterized by a weakly developed brown soil. Mr. Mark Johnson May 31, 2018 Page 2 GEOTECHNICAL CONDITIONS Based on the site investigations, the natural site stratigraphy generally consists of three main units: 1) Overburden generally consisting of near surface sandy clay to silty sand; 2) sand and gravel alluvial deposits that underlie the overburden and overlie the bedrock; and 3) bedrock usually consisting of sandy claystone, siltstone, and sandstone that is commonly weathered in the top foot and is commonly interbedded. Overburden The overburden typically grades from a sandy clay to a silty sand that is of low plasticity typically ranging from approximately 2 to 5 feet in thickness. This unit is usually slightly moist to moist and stiff to very stiff or medium dense with the top 6 to 8 inches containing significant organics. Sand & Gravel The sand and gravel encountered is present throughout the site typically underlying the overburden and overlying the bedrock and ranges from approximately 20 to 43 feet in thickness. This unit typically consists of slightly silty, fine to medium grained, locally coarse grained sand with local sandy gravel also present. Local thin sandy clay to clayey sand lenses were locally encountered within this unit. Where encountered, gravels were typically 1 to 2 inches in diameter. Local cobbles up to 4 -inches were also locally encountered. Bedrock The bedrock was encountered at depths ranging from approximately 23 to 46 feet below the ground surface in the exploratory borings. Bedrock was generally weathered in the upper one foot typically became harder in unweathered zones. The bedrock consisted of claystone, siltstone and sandstone that were commonly interbedded. Local lignite was also encountered. The claystones are typically moderately to highly plastic. The siltstones and sandstones are non - plastic to lowly plastic. Groundwater Groundwater was encountered in all of the borings at approximately 4 to 14 feet below ground surface. The groundwater levels will vary seasonally and will typically rise during the irrigation season and during high river stages. Groundwater will be controlled with the proposed below grade slurry walls and by pumping down the water level during mining. After slurry wall construction, groundwater mounding is anticipated on the upgradient (south and west) side of the site and a groundwater shadow (deeper water table) is anticipated on the downgradient (north and east) side the site. From a geotechnical standpoint, the sand and gravel will form the majority of the mine slopes. These soils are generally strong and stable, particularly when dewatered. STRUCTURES WITHIN 200 FEET OF DISTURBED AREAS The known, permanent, man-made structures within 200 feet of the proposed mine areas that are not owned by Bestway Concrete (aka Tricycle Lane Texas, LLC) are listed below: • Weld County Road 14.5 and ROW ( North Boundary, Weld County Public Works) • Overhead Power Line (North Boundary at Weld County Road 14.5, United Power) • Overhead Power Line (West Boundary, United Power) • Overhead Power Line (South Boundary) • Water Line (North Boundary, Central Weld County Water District) • Various Gas Lines (Kerr-McGee/Anadarko & KP Kaufman) • Various Gas Well Infrastructure and Roads (Kerr-McGee/Anadarko & KP Kaufman) • Inouye 44-36 Well Head (Between SW and NW Cells, KP Kaufmann) • Funakoshi Sam Gu NO2 (East of NE Cell, Kerr-McGee/Anadarko) • Inouye 9-36A Well Head (NE Cell, Kerr-McGee/Anadarko) Mr. Mark Johnson May 31, 2018 Page 3 • Grasshopper Well Head (East of NW Cell, Kerr-McGee/Anadarko) • Inouye 11-31A Well Head (East of NE Cell, Kerr-McGee/Anadarko) • Vynckier Donald Gu B NO2 Well Head (East of NE Cell, Kerr-McGee/Anadarko) • Inouye 15-31A Well Head (East of NE Cell, Kerr-McGee/Anadarko) • Fiber Optic in WCR 14.5 ROW (North Boundary, Century Link) • Lupton Bottom Ditch (Between NW & NE Cell) • Fort Lupton Waste Water Pond (South Boundary) STABILITY ANALYSES Recently, Division of Reclamation and Mining Safety (DRMS) staff drafted a policy regarding stability analyses of neighboring structures. The draft summarizes adequate factors of safety (FOS) for non -critical and critical structures. The structures around the Inouye mine are, for the most part, considered critical structures. Discussions the author of the memo, Mr. Tim Cazier, indicate the FOS will be adopted by the MLRB. The FOS are for both static and seismic (from an earthquake) stability analyses. For generalized strength assumptions and critical structures, an FOS of 1.5 is considered sufficient for static conditions and an FOS of 1.3 is considered suitable for seismic conditions. The stability of structures within 200 feet of the proposed mining limits was evaluated at six sections under anticipated loading conditions around the perimeter of the site as discussed below. The computer program XSTABL was used for the analysis. The method for selecting the critical failure surface for each analyzed loading condition is the following. The Modified Bishop's Method of Analysis is used to find the critical failure surface by randomly searching with 20 termination points and 20 initiation points (400 failure circles) with 7 foot line segments over a broad range of the slope surface and at the structure in question. This procedure is repeated over different initiation and termination locations until the most critical factor of safety failure surface is identified. The range is narrowed and 20 initiation points and 20 termination points (400 failure circles) with 7 foot line segments for the final run of 400 circles to determine the lowest factor of safety. Therefore, prior to submitting the final stability run, at least 800 failure surfaces were analyzed to determine the lowest factor of safety. Both static stability under anticipated mining conditions and seismic stability under peak ground acceleration loads were performed. Seismic loading was obtained from the U.S.G.S. Unified Hazard Tool. Review of the Hazard Tool indicated a maximum horizontal acceleration of 0.091g with a return period of 2,475 years for the site. The six cross section locations were selected and analyzed as described below. All of the cross sections were modeled with a nearly vertical high wall of 0.5:1 (horizontal:vertical) at the mine limit. The locations are shown on the attached Figures. ► Section 1: This section is on the west side of the southwest cell and considers the point where the tallest mine high wall (deepest bedrock) in this cell is closest to a critical structure (the overhead power line). The power line is approximately 47 feet from the mine limit. This is also an area where an off -site pond is nearby and the groundwater table will be more elevated. ► Section 3: This section is on the west side of the northwest cell and considers the point where the tallest highwall on the west side of this cell comes closest to the United power line. The power line is approximately 78 feet from mine high wall. ► Section 4: This section is on the south side of the northwest cell and considers the point where the Kerr- McGee/Anadarko gas line is closest to the mine. The gas line is approximately 52 feet from the mine high wall. ► Section 6: This section is on the north side of the northwest cell and considers the point with the tallest high wall in this cell is closest to the United power line on the south side of WCR 14.5. The power line is approximately 85 feet from mine high wall. Mr. Mark Johnson May 31, 2018 Page 4 ► Section 7: This section is on the southeast side of the northeast cell and considers the point where the Lupton Bottom Ditch is closest to mine high wall in this cell. The Lupton Bottom Ditch is approximately 96 feet from the mine high wall. ► Section 8: This section is on the north side of the northeast cell at a point with the tallest high wall of the mine. This section considers the Central Weld County Water District water line located on the south side of WCR 14.5. The water line is approximately 82 feet from the mine high wall. MATERIAL PROPERTIES The material index and engineering strengths assumed in this slope stability report are discussed below. Overburden The strength properties for the insitu sandy clay to silty sand overburden were based on our engineering judgment; the following parameters have been used to model the overburden. The overburden is weaker that the underlying sand and gravel and ranged in thickness from 2 to 5 feet. Dry Unit Weight (pct) Moist Unit Weight (pcf) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle 0'° 103 114 126 50 28 Alluvial Sand and Gravel The sand and gravel is generally a fine to medium -grained, locally coarse grained sand locally grading to sandy gravel and is the thickest unit in the mine highwall. The alluvial sand and gravel was modeled as follows: Dry Unit Weight (pct) Moist Unit Weight (pct) Saturated Unit Weight (pcf) Cohesion C' psf Friction Angle 0'° 119 129 130 0 35 Bedrock Bedrock below the alluvium is claystone, siltstone, and sandstone that is commonly interbedded and weathered in the top foot. Sandstone and siltstone are typically stronger than claystone. Claystone is generally a weak bedrock. Because of the common sandstone and siltstones and the interbedded nature of the bedrock, we modeled the bedrock as sandy claystone. For the sandy claystone bedrock both weathered and unweathered strength conditions were considered. Based on the borings at the site, the weathered bedrock was modeled with less cohesion and a slightly lower friction angle. Dry Unit Weight (pct) Moist Unit Weight (pcf) Saturated Unit Weight (pcf) Cohesion C' psf Friction Angle �' ° g 116 Unweathered = 126 Weathered = 110 Unweathered = 135 Weather _ ed 1 Unweathered = 100 Weathered = 50 Unweathered = 29 Weathered = 28 Soil-Bentonite Slurry Wall The proposed slurry wall will consist of a mix of the overburden sandy clay to silty sand, alluvial sand and gravel, bentonite slurry, and imported bentonite. The resulting mix will produce a non -Newtonian fluid with some shear strength characteristics based on a reduced friction angle of the overlying overburden. Based on engineering judgment, we modeled the slurry wall as follows: Mr. Mark Johnson May 31, 2018 Page 5 Dry Unit Weight (pct) Moist Unit Weight (pct) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle 0' ° NA 112 115 0 0 STABILITY ANALYSES RESULTS The stability analyses assumed the mining will be per the mine plan. The plan includes dry mining in the northwest and northeast cells as water levels will be controlled by the slurry wall. The southwest cell will be dewatered by a series of trenches constructed below the mining level leading to a pump resulting in dewatered conditions at the mined slopes. The perimeter mine slopes will be no steeper than 0.5:1 horizontal to vertical. For conservatism, Civil Resources modeled the weaker overburden material as 5 feet thick effectively lowering the height of the stronger sand and gravel. The most critical sections (listed in Table 1 below) were analyzed. These critical sections were based on one or a combination of the following factors: 1) structure proximity, height of the mine highwall, and/or higher groundwater. Setbacks listed in Table 1 (below) indicate the setback from the structure to the mining limits. The setback distance can be increased as needed to address other restrictions. The factor of safety shown below is the minimum factor of safety of the conditions listed above. TABLE 1 - SLOPE STABILITY RESULTS AND SETBACKS Section Location Critical Structure Structure Setback From Mine Limit (ft) Static Factor of Safety at Structure Seismic Factor of Safety at Structure (0.091g horizontal) DRMS Draft FOS Requirement Static/Seismic 1 West side of Southwest Cell Overhead Powerline (United) 47 1.6 1.3 1.5/1.3 3 West side of Northwest Cell Overhead Power Line (United) 78 1.7 1'3 1.5/1.3 4 South side of Northwest Cell Gas Line (KM/A) 52 1.6 1.3 1.5/1.3 6 North side of the Northwest Cell Power Line (United) 85 1.7 1.3 1.5/1.3 7 Southeast Side of Northeast Cell Lupton Bottom Ditch 96 2.0 1.4 1.5/1.3 8 North side of Northeast Cell Water Line (CWCWD) 82 1.6 1.3 1.5/1.3 Notes: KMA=Kerr-McGee/Anadarko CWCWD=Central Weld County Water District CONCLUSIONS Stability analyses were performed on the most critical sections listed above. Other structures will be safer due to increased distance from the mine highwall, shorter highwalls, and/or more favorable groundwater conditions. Based on the Factors of Safety listed in the table above, the mine will not be a hazard to neighboring structures provided the structure and slurry wall offsets, as well as the perimeter mine slopes, follow the mine plan. LIMITATIONS Our review is based on regional geologic mapping, present mining plans, and in part borehole data by Civil Resources and Cesare, Inc. Civil Resources is not responsible for work by others. Stability analyses were performed using typical Mr. Mark Johnson May 31, 2018 Page 6 strength parameters for the various strata in the critical sections discussed above. Should the mining plans change or subsurface conditions vary from those portrayed in this letter, we should be contacted in order to re-evaluate the potential affects on permanent man-made structures. Stability analyses were run at the structure in question and were not run on failure surfaces closer to the highwall. Note also that surcharge loads due to temporary material stockpiles and overburden berms were not considered in the analysis. Please call with any questions or comments. Sincerely, Civil Resources, LLC Gary Linden, P.G. Senior Engineering Geologist Attachments: Figure — Slope Stability Cross Sections Locations Plan (from mining plan) Figure — Slope Stability Cross Sections (from mining plan and XSTABL Output) Boring Locations XSTABL Model Outputs: Sections 1, 3, 4, 6, 7, & 8 REFERENCES Colton, R.B., 1978, "Geologic Map of the Boulder -Fort Collins -Greeley Area, Colorado", U.S.G.S. Map l -855-G. J:1Bestway-2131Inouye\DRMS\Exhibits\Stability Analysis\Stability analysis report - Inouye.doc PER UIT CENTER-EAST SIXTEENTH CORNER \ CENTER-WEST SIXTEENTH CORNER REC.QNO.02344482 CLAIM DEED to, P4 FT SECTION 36,T.2N.,R67W. LGEVERISTINC COUNTYROAD 145 LGEVEBJST/NC 15"CMP / \ �\ LOTB SECTION 31,T.2N.,R.6fi W. '�� 56°X39"CMP HEIN LGEVERISTWCI LGEVERISTINC RE-414.fN8921'09"E 2767.61' LGEVERLSTINC SOUTHPLATTE VALLEY 10 30 wlrn6ss CORNER EAST QUARTER CORNER FOUND 2 1/2"CORNER IOTA 20'WITNESS RICHARD LOT/ % HISTORICAL SOOTY FOUND 21/2"ALUMINUM CAP ,�68 RE-4145 RE-4145 ALU349UM CAP ` 2 ON#6 REBAR,LS 304622007 CIVIL RESOURCES, LLC SECTION 36,T.2N.,R.67W. ON#6 REBAR,LS 34980,2006 �, �. _- .LS �/ CENTURY589'4 LINK 131711 CENTURY LINK I ��- 1r_ 30.00'/ / /-�_/ / 322.09' LINK .I 36"CMP 989 21.'09'E 1518 01 '?#s-++��.- � � g�� 60- . ../ /fY CENTER QUARTER CORNER - _ 5894004"E 995.45' _ - --. - �' 24 SECTION 2 6 w 323 5th STREET _ x�*y --_ ..- 11 _ .. 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(REC Na 39716.96) LU FOUND 2"ALUMINUM CAP (REC.NO.397/696) 1 VARIES FROM MINE PERMIT/PROPERTY UNE/ROW OR EASEMENT,NO LESS THAN 20' DRAWN BY: .ARE_ SCALE:AS NOTED LL.1 ON#6 REBAR,LS 12330,1987 CHECKED BY: GL AS NOTED O TEMPORARY TOPSOIL JOB NO.: 213.001.29 FLOODPLAIN INFO: AFFECTED LANDS: NOTE: -4-30 0' STOCKPILE SETBACK DWG NAME:WVEh§%ISIING WNDIRONSINOIJYEOWG W FLOODPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLD: CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR SAFETY, IN, ON, OR ABOUT THE R . -100' w FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY SETBACK EXIS➢NG GRADE = PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. 0/)( AND 08123C2104E GROUNDWATER SLURRY WALL EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC. THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH TABLE ACCESS ROADS BURNCO COLORADO, LLC.BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING RECLAMATION {a EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS .3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT I L I CO AGRICULTURAL FARM LAND XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. 0.5 3 -o ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,, ,.,,,, ,,,,,,,,,,,,,, m PROPERTY ADDRESS: 1 - >" APPLICANT: 12210 WCR 1 "` y. ‘1.--. DEWATERING TRENCH, BOTTOM OF `4 POSITIVE DRAINAGE TO SUMP SHEET: O FT LUPTON, CO. XXXXX GRAVEL RESERVE = BURNCO COLORADO, LLC ANDREW R RODRIGUEZ, P.E. DATE . co 301 CENTENNIAL DRIVE CIVIL RESOURCES, LLC. TYPICAL - RECLAMATION CROSS SECTION N MILLIKEN, CO 80543 NOT TO SCALE T Co- N m Mwl Mwz Mw3 Mwa Mws WATER LEVEL G' ,) CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES EL=4886.6 EL.=4888.5 EL=4889.45 EL=4887.65 EL=4890.45 AND DATE 0 .// / / //, j/ i ° MEASURED CIVIL RESOURCES, LLC _12-13-2017 %7�' %' %' jj-, %•'/ 323 5th STREET P.O.Box 680 12-13-17� FREDERICK,CO 80530 12-13-2017 12-13-17� 303.833.1416 - '4;- W W W.CIVILRESOURCES.COM - 12-13-17 10 p 12-13-2017 10 - R@ BESTWAY CONCRETE - f _ 5901 YORK STREET - 4'@ _ _ DENVER,CO 80261 't�:: 303.288.7029 Q - CONTACT:MARK JOHNSON - 1I 20 � 20 I ,' STANDARD SPLIT SPOON 47 38 -- 28 SAMPLE. NUMBER INDICATES # - - OF BLOWS OF A 140 LB - �. HAMMER FREE FALLING 30 A 49 �5 30-INCHES WERE REQUIRED 0 30 TO DRIVE THE SAMPLER "" - - - 1-FOOT. p 9 - — 1 21 o U _ 2" 0 PIEZOMETER 10-SLOT ua - A85/1G• 40 SCREEN INTERVAL >- CL 40 D D 0 J _P j 84/10" - 80/ NOTES: a _ _ - - - 1. EXPLORATORY BORINGS WERE DRILLED DECEMBER 13, co 50 —50 92/ - 2017 WITH 4 4- ID HOLLOW STEM AUGERS USING A N - - 77 TRUCK MOUNTED CME-75 RIG. REVISIONS W NO. DESCRIPTION DATE O N 10 - 2. LINES BETWEEN MATERIALS REPRESENT APPROXIMATE --- BOUNDARIES BETWEEN TYPES. TRANSITIONS MAY BE GRADUAL. W 60 - -60 o BORE LOG LEGEND: 3. GROUNDWATER LEVELS WILL FLUCTUATE. z th z � OVERBURDEN;CLAYEY SAND TO SANDY CLAY, 4. BORING ELEVATIONS ARE ESTIMATED FROM ® MEDIUM STIFF TO STIFF,SLIGHTLY MOIST TO MOIST. Q BROWN(CL,SC) - TOPOGRAPHICAL MAPPING AND SHALL BE CONSIDERED // -WCR 14.5-----a®W-z1 APPROXIMATE. o '°MW-1 O SAND:MEDIUM DENSE TO VERY DENSE,FINE TO g COARSE GRAINED, LOCAL,GRAVELLY,LOCAL TRACE ®BH-1 , / SILT, MOIST TO WET, BROWN(SP) L BH-Z BH-3 \ I- u I��' SAND AND GRAVEL;MEDIUM DENSE,FINE TO COARSE I ® I NORM II SAND GRAINED,MOIST TO WET, BROWN(SP,GP,SW,GPO DESIGNED BY:al_ DATE::AS 2018 'Jr' l'�� , BBH-4 BH-5 BH-6 , DRAWN BY: .61= SCALP:AS NOTED Q B1 C7 CHECKED BY: __ AS NOTED 7OB NO.: 213.001.29 V - 4_20--- -----_B d DWG NAME:COVER-EBSTING CONITIONS.INOOYEDNG CLAYSTONE:FIRM TO VERY HARD,SLIGHTLY MOIST E- MW-4W TO MOIST,OWE GRAY TO DARK GRAY,MODERATE MW-3 W TO HIGHLY PLASTIC -,-61 41714.--4 I I PERMITk 1 BORE LOGS HI BOUNDARY ..--1:' B-7 o , B-2 I KEY MAP Ca:51ge , 4 beim% SHEET: 5 N MW-5 85 I m 4920 C,,,sor''..'''''' • STA; 1+34.65 - - 4910- EL: 4890.10 S_TA:_1+6491 STA: 4+58.37 STA: 1+29.64 EL 489018 - EL: 4890.00 EL 4890.D5 OHE EXISTING 4900• CIVIL RESOURCES, LLC GRADE _ •� • —_-_ m—. 4890 3235th STREET STA: 1+42.02 p.5H:1V . - 8880. 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ETAS 860.070 WEST GELD EL:. 4858.54 3H:1V BEDROCK EL: 4860.97 4870 SLURRY \ RECLAIM SLOPE WALL 777777777777777777777777777777777777` ft7T7`7`7-%-n /T/T/T/T —Y rY- 4860 4850 • 4840 4830 BURNCO COLORADO,LLC 0 tP a 1 301.CENTENNIAL DR. m m m m m m m m m m N ''-°- m m 'L'.. : MILLIKEN,CO 80543 tl CROSS SECTION �1 it �I ti �i La 8i 2I 2 2I 2 2I w 3 5 7 p 970 587 7277 w w w w w w w w (p Teat) CONTACT:MARK JOHNSON 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 STA: 0+75.16 4910 EL: 4885.31 STA: 0+23.87 STA: 0+63.98 STA: 1+30.16 STA: 1+60.12 STA: 3+05.91 4900 EL: 4885.31A EU 4885.14A 400EEL: 4885.591L: 4885.47 EL:4086.60A 4890 WCR'14.5 f - -` . a0' usE SCURRY - ___.—___ __ .-_. 4880 LL WATER LINE WA 0.5H:1 1V_P GRADE 3H:IV 4870 0 MINE SLOPE ! RECLAIM SLOPE STA: 0+00.00 STA: 1+80.8 STA: 3+05.94 4860 0 EL: 4843.97 EL, 4844.35 BEDROCK EL: 4844.66 LV Q 4850 f 7777777777777777777727777777 777T 77" /7`7 -7 7-77-7 7 / 4840 Z O 4830 E J U _ a4430_0 n a 0 L.I z m a v 4 v a w n m < :48.: m m` m m` II �i II 5 CROSS SECTION Z Q w e < w w w 3 7 p S �I w ti w ti II II II ti u ti ti Le CL I- S w w C� D 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 --( 4920 L STA: 0+95.36 STA: 1+60.60 STA: 1+90.96 4910 STA: 0+00.00 STA: 3+75.02 E1: 4890.00 EL 4890.00 EL 4889.67 / 4900 /EL 4888.39 EL: 48$8.50 EXISTING DITCH GRADE M 4890 CL CO cl STA: 0+00.00 4880 cD EL• 4860.00 SLURRY 1 0.5H:1V STA: 2+07.7 - 3H:1V STA: 3+06.99 STA: 3+75.02 EL: 4856.25 RECLAIM SLOPE EL: 4854.60 4870 WALL MINE SLOPE EL: 4853,42 REVISIONS 4860 NO. DESCRIPTION GATE a° 777777777777777777777777777777777 777777/ / /7777 N BEDROCK 4850 4840 cli 4030 -o m 0 u n } II m Iii .'''.34 n m m 18 m m m m m m it m O wI II O w ' ' Y II II 0I II II iI it iI II �I Y w w w w w w w w w w w W w z w w w S CROSS SECTION co Z 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 3 7 p t5 o 150049 I= 4920 a CD 4910 CD STA: 0+55.71 STA:0+75.90 STA: 1+05.27 EL 4888.20 EL: 4887.94 EL 4887.78 U STA: 0+32.61 - 4900 (7 EL 4890.05 EXISTING Z STA:0+1$.03 • GRADE i=" EL: 4890.05 �—� -- ---- — _ 4890 U) 4880 X WCR 14.5 - PERMIT \/ I ri EOA BOUNDARY SLURRY I DESIGNED BY:�_ DATE:mew,mm WALL \ 4870- DRAWN BY: 9138_ SCALE AS NOTED W \ 0.5H:1V 0 MINE SLOPE \ 3H:IV 4860 - RECLAIM SLOPE U CHECKED 0Y: DL— AS NOTED JOB NO.: 213.001.29 en 4850I-- 7 7 7 7 7 7 1 7 11 1 11 111 1 1 1 / / / / / / / / / / / 7-7 7`777' DWGWGrvAME avca�asmccaonanslnouT.ows Ill BEDROCK 4840 2 Tn 4830 l -em 4820 SECTION-2 . �I �I II m m m m m m m a 'm m w iliw II II �� III II � II �I -,,- 'L3 w w w w w w w w w O CROSS SECTION a w w y p o c 0+00 °+50 1+00 1+50 2+00 2+50 3+00 1 SHEET: 73 7 N a W 1n 0) CO Cr"„„„...., CIVIL RES'DURCES, LLC 323 5th STREET P.O.Box 680 FREDERICK,CO 80530 303.833.1416 WWW.CIVILRESOURCES.COM BURNCO COLORADO,LLC 301 CENTENNIAL DR. 4010 MILLIKEN,CO 00543 ' STA 0+4022 STA:0+78.28 STA: 1+08.57 _ _ STA: 3+15.14 .- 970 587 7277 {�El. 4887.73 \.EL: 488880"`EC: 4886.43 - • --- • \1L: 4888.82 --- 4900 11't \1i 1) • 11 CONTACT:MARK JOHNSON • 4890 EXISTING - 7H:1V GRADE • 4880 SLURRY • RECLAIM SLOPE WALL • - 4870 O.SLOE \ STA; T+28:56 STA: 2+45.22 STA: 3+15.1.4 -- 4860 STA: O+'.21' MINE SLOPE EL 4843.71 EL, 4844.29 EL: 484i.Z1'' �EL: 484248 � - � - 4850 7777777777 777777', ! / f ! ! ! ! ! /1f/ 7`77f/ f 4840 BEDROCK - O . 4830 O 4020 d a r m N a r a w 9 ,9 a n z O m m �, m m am ri mLl m m am am m t4 A A� 0 CROSS SECTION LU " J 8I 80I 8 2I ti. . 8 41 w I. 8 8 U W W 1>�at1 aI } z O w J 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 O W z Z Q 0 cC d 0 D J L 0 a CO V CO REVISIONS CO NO. DESCRIPTION DATE IN CO N- CD LLI ›- 0 Z CO Z O 1- 0 Z O U 0 Z co F- X LU th DESIGNED BY:GL DATE:JUNE,1010 j DRAWN BV: 983 SCALE:AS NOTED O CHECKED BY: GL AS NOTED U ]OB NO.: 213.001.29 C/) DWG NAME{OVEFWSlNGCOBII8IX RIJOEIES H W W 2 CII .3 SECTION-3 -o > 0 M SHEET: N 8 fl CO 2 RI 0 DATE: TO: COLORADO Division of Reclamation, Mining and Safety Department of Natural Resources 1313 Sherman St. Room 215 Denver, CO 80203 RECEIVED JUL 2 3 2018 WELD COUNTY COMMISSIONERS NOTICE Consideration of 112 Hard Rock Reclamation Permit Application July 18, 2018 Weld County Commissioners 915 10th St Greeley, CO 80631 RE: Inouye Gravel Mine, File No. M-2018-037 Please be advised that on July 17, 2018, BURNCO Colorado, LLC, whose address and telephone number are 301 Centennial Drive , Milliken, CO 80543; (970) 587-7277, filed an application to conduct a(n) Surface mining and reclamation operation, at or near Section 6, Township 3N, Range 66W, 6th Principle Meridian, in Weld County. Please be advised that the permit area may be located in more than one Section, Township, and Range. Affected lands will be reclaimed to support a post -mining land use. The application decision date is scheduled for October 15, 2018. A copy of the application is available for review at the Weld County Clerk & Recorder's office and at the office of the Division of Reclamation, Mining and Safety. The application, as well as all other peanut documents, can be found at http://drmsweblink.state.co.us/ by searching M2018037 in the "Permit No" field. A user guide is available to help first time users of the imaged document system and can be viewed at http : //mining. state. co .us/SiteCollectionDocuments/Laserfische%20User%20Guide.pdf. To be considered in the review process, comments or objections on the application must be submitted in writing within twenty (20) days of the date of the last newspaper public notice. You should contact the applicant for the newspaper publication date. The Office will assume you have no comment or objection to the proposed activity if none are received by the end of the public comment period. If you need additional information or have any questions regarding the above -named application, please contact Eric Scott at the Division of Reclamation, Mining and Safety, 1313 Sherman Street, Room 215, Denver, CO 80203, by telephone at 303-866-3567 x 8140, or by email at Eric.scott@state.co.us. M -AP -05G P Lw !gr./0;2 0 CI— 36 .1 g John W. Hickenlooper, Governor CG: PL -(MM ITP). PW(ER1cl-HTM-ICK) 07;23-18 1313 Sherman St. Room 215 Denver, CO 80203 P (303) 866-3567 F Robert W. Randall, Executive Director I Virginia Brannon, Director July 6, 2018 Board of County Commissioners 915 Tenth Street P. O. Box 758 Greeley CO 80632 RECOVE0 AiL 06 2018 \NtL.p COUNTY COMMISSIONEBS VIA: Certified Mail/Hand Delivered RE: Division of Reclamation Mining and Safety, Mine Land Reclamation Board (112) Operation Reclamation Permit Application, Weld County, Colorado; Inouye Gravel Mine Dear Board: Burnco Colorado, LLC is applying for a MLRB permit to mine sand at the project site. The site is located on the south side of WCR 14.5, west of the South Platte River. More specifically, the site is within parts of Section 31, Township 2 North, Range 66 West; and Section 36, Township 2 North, Range 67 West of the 6th Principal Meridian. The mine is in an area of irrigated agricultural land with common oil and gas wells and related infrastructure and is bound by Weld County Road (WCR) 14.5 on the north; the South Platte River on the east; City of Fort Lupton waste water ponds and irrigated cropland on the south, and greenhouses on the west. As required by the DRMS regulations, we have enclosed the following information for your review: • Construction Material Regular (112) Operation Reclamation Permit application form • Exhibit B Index Map • Exhibit C Mining Plan Map • Exhibit F Reclamation Plan Map If you have any questions, please feel free to contact me at 303-833-1416, ext. 202. Sincerely, CIVIL RESOURCES, LLC Andy Rodriguez, P.E. Civil Engineer J:1Bestway-21311nouyelDRMSIN0TICE CRr Cnty Cmmsrs.doc RRA;uL ' 01-lt-t8 e•. "PLC M,rx(c 0, C A(eeil3c fr'.) pwCErzlcRiz.mIctc) 07 -►(0-18 2018-2110 STATE OF COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866-3567 FAX: (303) 832-8106 CONSTRUCTION MATERIALS REGULAR (112) OPERATION RECLAMATION PERMIT APPLICATION FORM COLORADO DIVISION OF RECLAMATION MINING - &- SAFETY CHECK ONE: n There is a File Number Already Assigned to this Operation Permit # M - - -_ (Please reference the file number currently assigned to this operation) L ' New Application (Rule 1.4.5) © _ Amendment Application (Rule 1.10) Conversion Application (Rule 1.11) Permit # M - (provide for Amendments and Conversions of existing permits) The application for a Construction Materials Regular 112 Operation Reclamation Permit contains three major parts: (1) the application form; (2) Exhibits A -S, Addendum 1, any sections of Exhibit 6.5 (Geotechnical Stability Exhibit; and (3) the application fee. When you submit your application, be sure to include one (1) complete signed and notarized ORIGINAL and one (1) copy of the completed application form, two (2) copies of Exhibits A -S, Addendum 1, appropriate sections of 6.5 (Geotechnical Stability Exhibit, and a check for the application fee described under Section (4) below. Exhibits should NOT be bound or in a 3 -ring binder; maps should be folded to 8 1/2" X 11" or 8 1/2" X 14" size. To expedite processing, please provide the information in the format and order described in this form. GENERAL OPERATION INFORMATION Type or print clearly, in the space provided, ALL information requested below. 1. Applicant/operator or company name (name to be used on permit): 1.1 Type of organization (corporation, partnership, etc.): LLC 2. Operation name (pit, mine or site name): 3. Permitted acreage (new or existing site): 3.1 Change in acreage (+) 3.2 Total acreage in Permit area Inouye Gravel Mine Burnco Colorado LLC 4. Fees: 4.1 New Application 4.2 New Quarry Application 4.4 Amendment Fee 4.5 Conversion to 112 operation (set by statute) overbuden 5. Primary commoditie(s) to be mined: sand and gravel 5,000,000 tons 5.1 Incidental commoditie(s) to be mined: 1. - lbs/Tons/vr 122.0 $2,696.00 $3,342.00 $2,229.00 $2,696.00 2. / permitted acres acres acres application fee quarry application amendment fee conversion fee lbs/Tons/yr 3. / lbs/Tons/yr 4. / lbs/Tons/yr 5. / lbs/Tons/vr 5.2 Anticipated end use of primary commoditie(s) to be mined: road base, top soil 5.3 Anticipated end use of incidental commoditie(s) to be mined: 2 6. Name of owner of subsurface rights of affected land: Tricycle Lane If 2 or more owners, "refer to Exhibit O". 7. Name of owner of surface of affected land: Tricycle Lane 8. Type of mining operation: Surface 1-1 Underground 9. Location Information: The center of the area where the majority of mining will occur: COUNTY: WELD PRINCIPAL MERIDIAN (check one): 6th (Colorado) El 10th (New Mexico) El Ute SECTION (write number): S 6 TOWNSHIP (write number and check direction): T 3 RANGE (write number and check direction): R 66 L I East Ti West QUARTER SECTION (check one): El El El El SW QUARTER/QUARTER SECTION (check one): NE tl NW - SE SW GENERAL DESCRIPTION: (the number of miles and direction from the nearest town and the approximate elevation): West of US Highway 85 and the South Platte River, directly south (adjacent to to WCR 14.5 to the north). ,a North Q South 10. Primary Mine Entrance Location (report in either Latitude/Longitude OR UTM): Latitude/Longitude: Example: (N) 39° 44' 12.98" (W) 104° 59' 3.87" Latitude (N): deg min sec (2 decimal places) Longitude (W): deg min sec (2 decimal places) OR Example: (N) 39.73691° (W) -104.98449° Latitude (N)40 .092235 Longitude(W) -104 ..828545 OR Universal Tranverse Mercator (UTM) Example: 201336.3 E NAD27 Zone 13 4398351.2 N (5 decimal places) (5 decimal places) UTM Datum (specify NAD27, NAD83 or WGS 84) Nad 83 Zone 13 Easting Northing -3- 11. Correspondence Information: APPLICANT/OPERATOR (name, address, and phone of name to be used on permit) Contact's Name: Mark Johnson Company Name: Street/P.O. Box: City: State: Telephone Number: Fax Number: Burnco Colorado, LLC Title: Compliance Manager / Facilities and Acquisitions 301 Centennial Drive Milliken P.O. Box: Colorado (970 ) _ 587 7277 ( Zip Code: 80543 PERMITTING CONTACT (if different from applicant/operator above) Contact's Name: Andy Rodriguez Title: Company Name: Civil Resources, LLC Street/P.O. Box: 323 5th Street, P.O. Box: 680 City: Frederick State: CO Zip Code: 80530 Telephone Number: (303 ) _ 833 1416 Fax Number: ( ) - INSPECTION CONTACT Contact's Name: Title: Company Name: Street/P.O. Box: P.O. Box: City: State: Zip Code: Telephone Number: ( ) - Fax Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - -4- 12. Prima future (Post -mining) land use (check one): Cropland(CR) E Pastureland(PL) D Rangeland(RL) 1 1 Forestry(FR) n Residential(RS) In Recreation(RC) riDeveloped Water Resources(WR) 13. Primary present land use (check one) EL Cropland(CR) 0 Rangeland(RL) Residential(RS) Pastureland(PL) Forestry(FR) ID Recreation(RC) Developed Water Resources(WR) El Pi General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) Solid Waste Disposal(WD) General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) 14. Method of Mining: Briefly explain mining method (e.g. truck/shovel): dry mining and screening, earth moving scrapers, dozers and excavators, haul trucks. 15. On Site Processing: Crushing/Screening 13.1 Briefly explain mining method (e.g. truck/shovel): dry/wet mining and screening, earth moving scrapers, dozers and excavators, haul trucks. List any designated chemicals or acid -producing materials to be used or stored within permit area: NA 16. Description of Amendment or Conversion: If you are amending or converting an existing operation, provide a brief narrative describing the proposed change(s). -5 - Mans and Exhibits: Two (2) complete, unbound application packages must be submitted. One complete application package consists of a signed application form and the set of maps and exhibits referenced below as Exhibits A -S, Addendum 1, and the Geotechnical Stability Exhibit. Each exhibit within the application must be presented as a separate section. Begin each exhibit on anew page. Pages should be numbered consecutively for ease of reference. If separate documents are used as appendices, please reference these by name in the exhibit. With each of the two (2) signed application forms, you must submit a corresponding set of the maps and exhibits as described in the following references to Rule 6.4, 6.5, and 1.6.2(1)(b): EXHIBIT A EXHIBIT B EXHIBIT C EXHIBIT D EXHIBIT E EXHIBIT F EXHIBIT G EXHIBIT H EXHIBIT I EXHIBIT J EXHIBIT K EXHIBIT L EXHIBIT M EXHIBIT N EXHIBIT O EXHIBIT P EXHIBIT Q EXHIBIT R EXHIBIT S Rule 1.6.2(1)(b) Rule 6.5 Legal Description Index Map Pre -Mining and Mining Plan Map(s) of Affected Lands Mining Plan Reclamation Plan Reclamation Plan Map Water Information Wildlife Information Soils Information Vegetation Information Climate Information Reclamation Costs Other Permits and Licenses Source of Legal Right -To -Enter Owners of Record of Affected Land (Surface Area) and Owners of Substance to be Mined Municipalities Within Two Miles Proof of Mailing of Notices to County Commissioners and Conservation District Proof of Filing with County Clerk or Recorder Permanent Man -Made Structures ADDENDUM 1 - Notice Requirements (sample enclosed) Geotechnical Stability Exhibit (any required sections) The instructions for preparing Exhibits A -S, Addendum 1, and Geotechnical Stability Exhibit are specified under Rule 6.4 and 6.5 and Rule I.6.2(1)(b) of the Rules and Regulations. If you have any questions on preparing the Exhibits or content of the information required, or would like to schedule a pre -application meeting you may contact the Office at 303-866-3567. Responsibilities as a Permittee: Upon application approval and permit issuance, this application becomes a legally binding document. Therefore, there are a number of important requirements which you, as a permittee, should fully understand. These requirements are listed below. Please read and initial each requirement, in the space provided, to acknowledge that you understand your obligations. If you do not understand these obligations then please contact this Office for a full explanation. k,,,,\ 1. Your obligation to reclaim the site is not limited to the amount of the financial warranty. You assume legal liability for all reasonable expenses which the Board or the Office may incur to reclaim the affected lands associated with your mining operation in the event your permit is revoked and financial warranty is forfeited; -6- 2. The Board may suspend or revoke this permit, or assess a civil penalty, upon a finding that the permittee violated the terms or conditions of this permit, the Act, the Mineral Rules and Regulations, or that information contained in the application or your permit misrepresent important material facts; 3. If your mining and reclamation operations affect areas beyond the boundaries of an approved permit boundary, substantial civil penalties, to you as permittee can result; 4. Any modification to the approved mining and reclamation plan from those described in your approved application requires you to submit a permit modification and obtain approval from the Board or Office; v4, 5. It is your responsibility to notify the Office of any changes in your address or phone number; 6. Upon permit issuance and prior to beginning on -site mining activity, you must post a sign at the entrance of the mine site, which shall be clearly visible from the access road, with the following information (Rule 3.1.12): a. the name of the operator; b. a statement that a reclamation permit for the operation has been issued by the Colorado Mined Land Reclamation Board; and, c. the permit number. 7. The boundaries of the permit boundary area must be marked by monuments or other markers that are clearly visible and adequate to delineate such boundaries prior to site disturbance. 8. It is a provision of this permit that the operations will be conducted in accordance with the terms and conditions listed in your application, as well as with the provisions of the Act and the Construction Material Rules and Regulations in effect at the time the permit is issued. 9. Annually, on the anniversary date of permit issuance, you must submit an annual fee as specified by Statute, and an annual report which includes a map describing the acreage affected and the acreage reclaimed to date (if there are changes from the previous year), any monitoring required by the Reclamation Plan to be submitted annually on the anniversary date of the permit approval. Annual fees are for the previous year a permit is held. For example, a permit with the anniversary date of July 1, 1995, the annual fee is for the period of July 1, 1994 through June 30, 1995. Failure to submit your annual fee and report by the permit anniversary date may result in a civil penalty, revocation of your permit, and forfeiture of your financial warranty. It is your responsibility, as the permittee, to continue to pay your annual fee to the Office until the Board releases you from your total reclamation responsibility. 10. For joint venture/partnership operators: the signing representative is authorized to sign this document and a power of attorney (provided by the partner(s)) authorizing the signature of the representative is attached to this application. -7 - NOTE TO COMMENTORS/OBJECTORS: It is likely there will be additions, changes, and deletions to this document prior to fmal decision by the Office. Therefore, if you have any comments or concerns you must contact the applicant or the Office prior to the decision date so that you will know what changes may have been made to the application document. The Office is not allowed to consider comments, unless they are written, and received prior to the end of the public comment period. You should contact the applicant for the fmal date of the public comment period. If you have questions about the Mined Land Reclamation Board and Office's review and decision or appeals process, you may contact the Office at (303) 866-3567. -8 - Certification: As an authorized representative of the applicant, I hereby certify that the operation described has met the minimum requirements of the following terms and conditions: 1. To the best of my knowledge, all significant, valuable and permanent man-made structure(s) in existence at the time this application is filed, and located within 200 feet of the proposed affected area have been identified in this application (Section 34-32.5-115(4)(e), C.R.S.). 2. No mining operation will be located on lands where such operations are prohibited by law (Section 34-32.5-115(4)(f), C.R.S.; 3. As the applicant/operator, I do not have any extraction/exploration operations in the State of Colorado currently in violation of the provisions of the Colorado Land Reclamation Act for the Extraction of Construction Materials (Section 34-32.5-120, C.R.S.) as determined through a Board finding. 4. I understand that statements in the application are being made under penalty of perjury and that false statements made herein are punishable as a Class 1 misdemeanor pursuant to Section 18-8-503, C.R.S. This form has been approved by the Mined Land Reclamation Board pursuant to section 34-32.5-112,C.R.S., of the Colorado Land Reclamation Act for the Extraction of Construction Materials. Any alteration or modification of this form shall result in voiding any permit issued on the altered or modified form and subject the operator to cease and desist orders and civil penalties for operating without a permit pursuant to section 34-32.5-123, C.R.S. Signed and dated this 4z.11, ' day of O.Oi Lg . 3C -C, ( ye_ C. If Corporation Attest (Seal) Applicant/Operator or Company Name Signed: Title: inJit.310 State of 72:47—ac/0 ) ss. County of ltAal� sf" The foregoing instrument as acknowledged before me this 2/ a2/L by /A/47V,-�i7 as /Llyt MADALINE KNIPP Notary Public State of Colorado Notary ID #20054037804 f'+1Y Cg ttnie rtgn, Ex frig 08_x? -2021 Signed: Corporate Secretary or Equivalent Town/City/County Clerk day of c r9 of !///JPO C rj• zzc Notary Public Public My Commission expires: 4/7/-� SIGNATURES MUST BE IN BLUE INK You must post sufficient Notices at the location of the proposed mine site to clearly identify the site as the location of a EXHIBIT B - INDEX MAP rir I , ., . J I t , 1'f 0 riP-1 r'' KY7� . i a<1 4 '1 .a . •t 1. , IX, i ,p r 4 fp t- __ J .-t..�. ... . . i _ i. . A •I. . .7 ._ -. .. . a _ , r :4! „mem.joise:prempsire...._ v .--, -.. i I 'F' ,1 ' It SITE 4} 4tiiiiiitc. (: • .: - - - L Ile > T . L is le#T ' Ill I I . i API s Ira i a ..• i . _ , . 1111 Or: - zat......r. .... 4 -, , _._ 1.:44 . . a it <smin"..".-: • , :. • =It I { ; "A •'�!�` .��4411 • t sp , .' ri * 'tr I 1` .tf - • < `" � 'f•R ,:.. '' Tit • i • a•'. .• • /• *. • • `• as { •'Jt i .� di: s. • • !, fys? ..41‘1°'f .r • ter r• ^j• r mil 1M j�hi n t • 2 O •, .. ...a fi..`4 C' :K '. • w, se x • ' t' ,1 R 1' i „, ' )11/ rt LAP �. . -I. ID S.\ a a it cP .1 ••r • 1 1 Y ' t L bj z • • • N PROJECT LOCATION MAP l I Burnco Colorado , LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit B - 1 CENTER-EAST SIXTEENTH CORNER RIGHT-OF-WAY A ZOp SECTION 36,T.2N.,R.67W. I CENTER-WEST SIXTEENTH CORNER PER QUIT CLAIM DEED \ \ '-4''‘00,5 R F(O La COUNTYROAD 14_s LOBVERIST INC REC.NO.02344482 Ob p, LOTS I SECTION 31,T.2N.,R.SITE `WIT Cr../,,, • /IEIN LaEVERLSTINC I LGEVERISTINC RE-414.f - LGEVERISTGVC SOUTHPLATTE VALLEY RICHARD LOTS LOTH j (((---20'WITNESS CORNER SITE ACCESS 1 F 30'WITNESS CORNER RE-4145 RE-4145 EAST QUARTER CORNER j FOUND 2 1/2"ALUMINUM CAP HISTORICAL SOCIETY FOUND 2 1/2"ALUMINUM CAP SECTION 36,T.2N.,R.67W. / ON#6 REBAR,LS 34980,2006 o `. J ON#6 REBAR,LS 30462,2007 CIVIL RESVU RCES, LLC w. CENTURY LINK CENTURY LINK I �I- _ �+ >�• `SY_,._ !~7 O - _ _ _ / / > • — 589'40'04"E 995.45' N8971'O9"E 1518 0 - Fp '---F� ''FO- .•- _- - __ W, —_4-_•'W' .;sip �°y,.%.�� . �-../ SECTIONS lA TT2N.CR.6W.• 23 5th STREET 3 __ _� � _ - = i jam- - - h" 88921'09°E 653.74' P.O.BOX 680 _ MW_2,�® -o• .. tpp y FREDERICK,CO 80530 \ \ R"o 303.833.1416 WATERLINE , � • • — - I" CWCWD �- / tI o \ Oo, WWW.CIVILRESOURCES.COM CWCWDO UNITEDPOWER Yry A MW-1 to WATERLINE . n \- / + }` 0+60 ��.. '9Y // {/ I — 2+58 / 1'/ CONCRETE PLANT /' 414#‘- 0#C°•N PY 3+06 o I Z+pO 0� \ \ EDGE AP X�VtR • _ /�/CONCRETE PLANT S AC+/- 1 G�-•:f M 13+15 3xOO ....... FLOOD 208E AE \• \ \ / / FLOOD ZONE A• UNITED POWER 4 // I BLANKET TRAIL I \ / P'2. EXIST BURIED 'r EASEMENT AGREEMENT. UNITED POWER � X - .N °INOUYE 11-31A" - IRRIGARON PIPE _ t GEC.NO.4233870 �' Q (EXACT LOCATION 4 4 (KERR-MCGEE - BURNCO COLORADO,LLC / INOUYE 9-36A" O UNKNOWN) / QOF ANADARKO) • - \ W I SOUTT/PL TTB \ \ \ 301 CENTENNIAL OR. (KERR-MCGEE \ I(ti� E • ANADARKO) x C.•:LYI • /) ~ / % VALLEY NISTORICAI • MILLIKEN,CO 80543 5�I f W / �° * / SOCIETY \• 970 587 7277 V WELL TO BE l -�KERR-MCGEE ANADARKO � \ �4 I` iiin PLUGGED 8 `' GRASSHOPPER P / (REC.NO.O-2G8.f46') \ CONTACT: MARK JOHNSON 0 ABANDONED " (KERR-MCGEE Y / f� 'R PHASE 28 ANAOARKO 1 b su I 4 n i MAINTAIN 30'RADIUS ) PHASE 3 ) T ti T 20.5 ACRES+- STEEL BRIDGE DECK / f° i p 8 O / 12"RCP 22,2 ACRES+/- 14 `.I - Sr RELOCATE ELECTRIC LINE 4+01 "PVC e, u S' 'Y x FROM THE SOUTH r' UNITED POWER I kYe _ 0 _T` / }I �0 Im y j �] 1+00 O 'Y, 4'DI METE• METER HUT j - e OO rn a 3+00 1 u FLOOD ONE AE COMP^ S• - '� - • v Yi / +t PHASE 2A ( - \ 1 "VYNCKIER DONA•GU B .2" e 25.4 ACRES+/- ' I "� (KERR-MCGEE ANADAR O) SEPARATOR p0 - NOfiIH .£ 'yK 10'DIAMETER 3+00 1+0" ,, I "INO YE 15 31 ' / TANK Q 3+56 � •.<,� i - OW Whatt bel®w. o Tao MAINTAIN Tor UNITED - (K•ft-MCG - , DITCH POWER M .. • ` •NADARKO` • TANKAP�ETER Call before YDu d�` o+oo o° (�ror7 LLJ ITI GC i • SOUTH SIXTEENTH CORNER \ / 6' • E 'SECTION 36,7.2N.,R.67W, ,, (��N�.JX H f P.t $ SECTION 31,T.2N„R.66W. \ li + FOUND 21/2'ALUMINUM CAP / `y' / MW • ` W _ ON#6 REBAR,LS 38046,2015 I®MW _ V F 36' CMP • -- - -₹ ` . -. �' c� � + 0 - .. -._ S 2628 1336.55- ,. SURVEY INFO: >- U • ' _x x X, x 58,�28'42"W 1441,70'—X X_X. X ' �" B9 -"W TL KING SURVEYORS 0 W Z _ S AXMCG GAS GAS GAS GAS . 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(REC.NO./459047) 7 RIGHT-OF-WAY AS DESCRIBED CI t, 1AC+)- • PROPERTY UNE \ k NOUYE 44-36" '? 0 CALCULATED POSITION V 1.1 / PERMIT BOUNDARY \\. (KP KAUFMAN W ) 10 SOILS TYPE • C44111 W EXISTING CONTOUR R RECORDED REVISIONS Ea RELOCATE ELECTRIC LINE N m / �1 / \X4887 II'INTERVAL) NO DESCRIPTION DATE N FROM THE SOUTH ,,,((( P PLATTED I ;1 N ,Y) ,,,,„ 100 YR FLOODWAY 10 I I,`` M MEASURED 4+58 .VC —'—' +0� 1+Oi'. ID 3+p. 4+00 { / / 4 0B 6 BORE LOCATION —100 YR FLOOD PLAIN cii I I -( I M b' PHASE 1 MW-3 3 6 SILT STORAGE �'I / 045 MONITORING WELL ,C ® MONITORING WELL 55,4 ACRES+/- I �`Y� EXISTING GROUND SLOPE W ``0 SOUTH PROPERTY OWNER 7 i PLATTE O / . VALLEY iii( Al zQ WEST SIXTEENTH CORNER SOCIETY O SOUTHEAST CORNER SECTION 6,7.18SECTION 31, .,R 66W. / / U_E6854ti) 1- SECTION 1/,"ALUMINUM C FOUND 2"ALUMINUM CAP '� MW-5 FOUND 3 3/4"ALUMINUM CAP ON#6 REBAR,LS 25937,1984 n i - ON • '#6 REBAR,LS 10855,1994 3 _� CROSS SECTION CALL OUT 0C.) 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IS NOT RESPONSIBLE FOR SAFETY, IN, ON,OR ABOUT THE W FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY l 2 PANEL NO. 061 2 3021 0 216 LUPTON BOTTOM DITCH REGULATIONS THERETO. -. . - Ew51160 GRADE (F) AND D8123C21U40 GROUNDWATER EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH SLURRY WALL p2 ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING TABLE .051 MINING EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT cis AGRICULTURAL FARM LAND XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. NPROPERTY ADDRESS: .>.>rrr.r>rr>rr», > r,„r>,rrr>.rrrrr ,>,rr>r>, .»>,nr rr»r+>+> BO7IOM OF 12210 POSITIVE DRAINAGE,TO SUMP, GRAVEL SERVE SHEET: APPLICANT: DEWATERING TRENCH, G FT LUPTON,CD, XXXXX BURNCO COLORADO, LLC co 301 CENTENNIAL DRIVE TYPICAL - TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION N MILLIKEN, CO 80543 NOT TO SCALE ES Ca U) CO 0I CD RIGHT-OF-WAY 400 CCNTIONEAST SIXTEENTH CORNER PER QUIT CLAIM DEED \ 4FLD C....7 CENTER-WEST SIXTEENTH CORNEA REC,NO.0234448E Op SECTION 36,TSIXT SIXTEENTH LGEPERIST/A'C COUNTY ROAD 14.5 LGEVERlSTlNC AL4 SECTION 31,T.2N„R66W. tN LOTS HEIN LGEVER/STINC I LCEVERISTLVC N8921'09"E 2787.61'- REdl4.f LG&'VCR/STING SOLTHPLATTE VALLEY 30'WITNESS CORNER RICHARD LOTS IOTA 20'WITNESS CORNER / EAST QUARTER CORNER FOUND 2 1/2"ALUMINUM CAP HISTORICAL SOCIETY FOUND 21/2"ALUMINUM CAP RE-4I45 RE-01.55, \ — SECTON 36,T.2N.,6.67W. ON#6 REBAR,LS 34980,2006 ^� ON#6 ROAR,LS 30462,2007 SB9.40.04•E 131754, _ l CIVIL RESOURCES, LLC CENTURY LINK • - I I • CENTURY LINK ♦�-w�, �I.�— ' � ��P - _ 1249.60' �'°0't "LL/ 7 i ' _ 32209' 589 40'04•E 995.45' - _ -__.. _ N '21'09"E 1 _ _ ___ $ � -- _ ../ CENTER QUARTER CORNER_ -"- Ste 0 __�_ +•;,.r.r+ ►� @ml 323 5th STREET '• 1p� W- - rv.Wn��88.22 �•��r' 1 f. SECTION 31,T.2N.,6.66W. • _ 7409.79'_ WV" FO '-FDA �b$� I �, S: ,� N89121'09'5 653.74' 30.00' P.O.Box 680 —' �•!•>r Mw-z® <w' 1 - too y FREDERICK,CO 80530 a SLURRY WALL. •AY "- •—J`'. ` R'1°0,4,,,,,4, 303.833.1416 cwTER { 9 X WWW.CIVILRESOURCES.COM ®� WATERLINE, U�N�EDPOWER I /J a=. ---_ \ .q MW-1 . F// ///�/ • - c!a_rs I / — � ///// \ EDGE OF RIVER • / I1 / ' / APPROX. �� 100Y C•.O.) "'rf SWRRV WALL SLURRY WALL if i FLO•.ZONE" �: UNITED POWER / FLOOD 20NE AE \ \ I) / EXIST BURIED V 11-31A" \.\ EASEMENBLANIT AGET REEMENT. EMENT. UNITED POWER .— l •3 (K IRRIGATION PIPE -'=q'/2 �I;,:ly o!� IN(O ERR-MCGEE REC.NO.4233870 t� \• ( / BURNCO COLORADO,LLC (EXACT UNKNOWLOCATION) O`erNAOARKO) '. CV "INOUYE 9-3- ) / o \ 2N • I SOUTHPLA/Ib \ \ 301 CENTENNIAL DR. (KERR-MCGE cL'4Y� VALLEY ' 49 ^Y / MILLIKEN,CO 80543 _ ��ANDAxKO) < a - e HISTORICAL w�Vt I /p O 42: f *a SOCIETY 970 587 7277 n U1 V KERR-MCGEE ANADARKO v¢ � i ,,l!�� FL (AEC NO.0'261.5411') \ \ CONTACT:MARK JOHNSON WELL TO BE GRASSHOPPER ' ' /.. r ^ MOVED OR P&A C '< (KERR-MCGEE 7A / / W '1 Z` ' FUTURE U ANADARKO) G,S"fEE�eRFOGE DECK •�. • '° 1 C (0IJ - I RECLAIMED / RECLAIMED / , Z L RECLAIMED ACRES+/- ' / POND 15.4 ACRES+/- D ii Len POND 25.4 ACRES+/- " F 1 UNITED POWER I I I \ / JO �, ' .. �'-'.�.-ii 7 SETT nr GAS LINE TO BE 'v� 1 M ER HUT < MOVED FUTURE a \ • ..DOD ZO E *- \ \ G, "VYNCKIER DO ALD GU=N. / i� SEPARATORI £9 r,r O ---111 '+1 CKERR-MC.EE ANAD ••/ {�.�^{,.M,...�. / matt below. NORTH / ELECTRIC LINE TO BE pty I £ 30'DIAMETER pp ®{ �� / 4 TANK Call before -� �'. Q " r.> MOVED DURI G MINING PHASE "I OUYE /%I O' o0 i I UNIT .- 12'OIA ETER POWER ', / SLURRY WALL TANK 100 HET) NO LU Ii m w ��ri/ a 1\�� 8 EENTH oRNER �t:I r' %%/// t� �/ \Si • SURVEY INFO: H il //� OUNLU Z e I %��I 5 \� �� —�, MW I \ `. I KING SURVEYORS o '�/% ON#6 REBAR,LS 38046,2015 MW'3 • U 3 589'41'30"E /__ • • —� 650 R.Garden Drive I Windsor.Coloodo 80550 --J 189'26'29"W 1335.55` I 1�, +,D X X X X 58928'42"W 1441.70`—X X X phone:(970)686-5011 I email,in£c.®KingSurveyors.cnm � � KERR MCG GAS GAS GA$ GAS SOUTHWEST SIXTEENTH CORNER \ > L )1--- V 2.5 DIAMETER /-ANAD".• 2 10 25 DIAMETER SECTION 31,T 2N.,R.66W. LP: vy ' ( A COMPRESSOR H Q CI 1 `= COMPRESSOR / KERR-MCGEE ANADARKO 'KERR-MCGEE— FOUND 2"ALUMINUM CAP >�/ \ ANADARKO "� SEPARATOR ON#6 DEBAR,LS 18475 • \ LCL �.Lry S Q -SEPARATOR / ti •\, . • 12'DIAMETER V [^��V _ TANK LEGEND p E" T4 g @ // \ , 10'DIAMETER , \ \ �1 n U y I G I I I "VYrvCKIER DONALD_/'' ''' TANK COLORADO / isi FOUND AUOUOT CORNER ,n 1' ! "FUNAKOSHI 12'DIAMETER CENTER-SOUTH SIXTEENTH CORNER EASEMENT AS DESCRIBED Fe GU BNOl" L. RU CGE 1 TANK SECTION CW.AP DEPARTMENT h, SET AUQUOT CORNER Z (KERR-MCGEE FOUND 1/2"2 ALUMINUM CAP OF —--— SECTION UNE O KP KAUFFMAN 49 44; �. ANADARKO) " 10'DIAMETER ON 86 REBAR,LS 30462,2007 TRANSPORTATION '-' AS DESCRIBED F TANK QUARTER SECTION UNE ¢gy • CENTRAL COLORADO WATER I (BOOK/40.f o N - A. FOUND MONUMENT �".2�,- -" CONSERVANCF'DlSTRICT PAGE/44J -- RIGHT-OF-WAY . AS DESCRIBED yscCAS_ (REC NO 3971696) CITY OF FORTLUPTON d - in m (REC-NO/459047) / PROPERTY UNE O CALCULATED P050108 co n 61 a .. PERMIT BOUNDARY 1O SOILS TYPE M ca ^ �, \ %rvoUYE 44-36" 'J / '' / R RECORDED EXISTING CONTOUR 3 (KP KAUFMAN WELL) w . '�488�4I'INTERVAL) CN °+m. / P PLATTED REVISIONS O K lo v o/ r/r. 100 YR FLOODWAY H MEASURED NO J DESCRIPTION DATE g upi •' ' / 0B-6 BORE LOCATION CV / —100 YR FLOOD PL PLAIN - LO s MONITORING WELL ®MW-3 MONITORING WELL 0.4% - - EXISTING GROUND SLOPE CA RECLAIMED SOUTH PROPERTY OWNER SILT STORAGE MI 15.4 ACRES+/- / 0 / PLATTE al VALLEY Z /: 5 /- 1HISTORICAL SOCIETY o° REC NO. 0226,048) ch WEST SIXTEENTH CORNER / a Z SECTION 31,T.2N..R.66W. SOUTHEAST CORNER SECTION 6,7.1N-,R.66W. __A CROSS SECTION CALL OUT I— FOUND 36,"ALUMINUM INUMR.67 C FOUND 2"ALUMINUM CAP / 5 FOUND 3 i/4"ALUMINUM CAP 0 , MW-5 J �'. ON#6 RE6AR,LS 10855,1994 ON*6 DEBAR,L5 25937,1994 Z 280.00'_ O - UNITED POWER - `60 — HS — — — U E ,� .. ' +-` _._ _ - _ONE -: E ONE - ONE - ONE 180'34'0{(01` '"tTS co' OHE OHE Z •�_ • OHE CITY OF FORTLUP1ON / N89'42 57"W 1316.42' _ (REC NO.1419}747) SOUTH QUARTER CORNER CO EAST SIXTEENTH CORNER - LOTB CENTRAL COLORADO WATER SECTION 31,T.2N.,6.66W. X SECTION 36,1.2N.,12.67W, CENTRAL COLORADO WATER 1 RE--797/ CONSERVANCY DISTRICT LLI SECTION 1,T-1N.,R.67W. CONSERPANCYDIS'TRICT DESIGNED BY:SQL DATE:iurvr zova (X FOUND 2"ALUMINUM CAP (REC.NO.397/696) (REC.N2 3971G961 LU ON W6 DEBAR,LS 12330,1987 \ I \ VARIES FROM MINE PERMIT/PROPERTY UNE/ROW OR EASEMENT,NO LESS IRAN.20' DRAWN BY. AWL SCALE:AS NOTED CHECKED BY. G QL_ AS NOTED O TENRARY TOPSOIL 300 JOB N0.: 213.001.29 v FLOODPLAIN INFO: AFFECTED LANDS: NOTE: PoSTOCKPILE SETBACK DWG NAME;COVEIFEXEMIGGENDMONSINOWEDWG En, - F- FLOODPLAIN INFO IS FROM TRICYCLE LANE TET(AS LLC: CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR SAFETY, IN, ON, OR ABOUT THE 10.0' LLI LLL FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY SETBACK CAIRNS GRADE = PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. —' '- - -- - (/2 AND 08123C2104E GROUNDWATER EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH TABLE In WILL SLU WALL RECLAMATION c. ACCESS ROADS BURNCO COLORADO,LLC.BESTWAY LL KEEP THE DIVISION OF RECLAMATION MINING EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT 1L 1 co XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. 0.5 3 a AGRICULTURAL FARM LAND -,,,,,,,,a,,,,,,,,,,,,,,>,>»,,,,»>,,,,, aa”aa,,>»>,»»>»>.,, »>.>, »»»»»»» 0) PROPERTY ADDRESS: • �L` a APPLICANT: • DEWATERIDR TRENCH, `BOTTOM OF c FT2LUPTONR CO.XXXXX POSITIVE DRAINAGE TO SUMP GRAVEL RESENTS SHEET: BURNCO COLORADO, LLC ANDREW R RODRIGUEZ, P.E. DATE M 301 CENTENNIAL DRIVE CIVIL RESOURCES, LLC. TYPICAL - RECLAMATION CROSS SECTION N MILLIKEN, CO 80543 NOT TO SCALE > m en .n m CO July 6, 2018 Clerk to the Board of Weld County Commissioners 915 Tenth Street, Rm 317 Greeley, CO 80632 RE: Inouye, Gravel Mine Permit Dear Clerk to the Board: As a requirement of the Division of Reclamation Mining and Safety (DRMS), the complete Inouye, Gravel Mine application must be on file at the County Clerk's Office and be available for public viewing. A copy of the complete application on behalf of Burnco Colorado, LLC is attached. Please sign below to indicate that you have received the above -mentioned information and return this page to us by email at andy@civilresources.com. As always, thank you for your assistance. Sincerely, Civil Resources, LLC Andy Rodriguez, P.E. Project Engineer Confirmation of Receipt: I have received e above eren documents, and will put it on file for public viewing. ount / lerk to the Board J:IBestway-2131InouyelDRMSlletter to clerk_signature reqted.doc D to BURNCO COLORADO, LLC GRAVEL MINE DRMS 112 PERMIT SUBMITTAL M-201 8-XXX PREPARED FOR: Burnco Colorado, LLC 301 Centennial Drive Milliken, CO 80543 PREPARED BY: Civil Resources, LLC 323 5th Street P.O. Box 680 Frederick, CO 80530 303.833.1416 DATE SUBMITTED TO DRMS: JULY 9, 2018 ( I\H i:��r<< �i STATE OF COLORADO DIVISION OF RECLAMATION, MINING AND SAFETY Department of Natural Resources 1313 Sherman St., Room 215 Denver, Colorado 80203 Phone: (303) 866-3567 FAX: (303) 832-8106 CONSTRUCTION MATERIALS REGULAR (112) OPERATION RECLAMATION PERMIT APPLICATION FORM COLORADO DIVISION OF RECLAMATION MINING - &- SAFETY CHECK ONE: r7 There is a File Number Already Assigned to this Operation Permit # M - - (Please reference the file number currently assigned to this operation) New Application (Rule 1.4.5) Amendment Application (Rule 1.10) Conversion Application (Rule 1.11) Permit # M - - - (provide for Amendments and Conversions of existing permits) The application for a Construction Materials Regular 112 Operation Reclamation Permit contains three major parts: (1) the application form; (2) Exhibits A -S, Addendum 1, any sections of Exhibit 6.5 (Geotechnical Stability Exhibit; and (3) the application fee. When you submit your application, be sure to include one (1) complete signed and notarized ORIGINAL and one (1) copy of the completed application form, two (2) copies of Exhibits A -S, Addendum 1, appropriate sections of 6.5 (Geotechnical Stability Exhibit, and a check for the application fee described under Section (4) below. Exhibits should NOT be bound or in a 3 -ring binder; maps should be folded to 8 1/2" X 11" or 8 1/2" X 14" size. To expedite processing, please provide the information in the format and order described in this form. GENERAL OPERATION INFORMATION Type or print clearly, in the space provided, ALL information requested below. 1. Applicant/operator or company name (name to be used on permit): 1.1 Type of organization (corporation, partnership, etc.): LLC 2. Operation name (pit, mine or site name): 3. Permitted acreage (new or existing site): 3.1 Change in acreage (+) 3.2 Total acreage in Permit area Inouye Gravel Mine Burnco Colorado LLC 4. Fees: 4.1 New Application 4.2 New Quarry Application 4.4 Amendment Fee 4.5 Conversion to 112 operation (set by statute) overbuden 5. Primary commoditie(s) to be mined: 5.1 Incidental commoditie(s) to be mined: 1. 3. / sand and gravel 5,000,000 tons lbs/Tons/yr 122.0 $2,696.00 $3,342.00 $2,229.00 $2,696.00 2. / permitted acres acres acres application fee quarry application amendment fee conversion fee lbs/Tons/vr lbs/Tons/yr 4. / lbs/Tons/vr 5. lbs/Tons/yr 5.2 Anticipated end use of primary commoditie(s) to be mined: road base, top soil 5.3 Anticipated end use of incidental commoditie(s) to be mined: -2- 6. Name of owner of subsurface rights of affected land: Tricycle Lane If 2 or more owners, "refer to Exhibit O". 7. Name of owner of surface of affected land: Tricycle Lane 8. Type of mining operation: Surface Underground 9. Location Information: The center of the area where the majority of mining will occur: COUNTY: WELD PRINCIPAL MERIDIAN (check one): 6th (Colorado) E 10th (New Mexico) E Ute SECTION (write number): S 6 TOWNSHIP (write number and check direction): T 3 17. North Q South RANGE (write number and check direction): R 66 Q East El 1 West QUARTER SECTION (check one): El El El El SW QUARTER/QUARTER SECTION (check one): El NE ffi NW F ' J SE SW GENERAL DESCRIPTION: (the number of miles and direction from the nearest town and the approximate elevation): West of US Highway 85 and the South Platte River, directly south (adjacent to to WCR 14.5 to the north). 10. Primary Mine Entrance Location (report in either Latitude/Longitude OR UTM): Latitude/Longitude: Example: (N) 39° 44' 12.98" (W) 104° 59' 3.87" Latitude (N): deg min sec (2 decimal places) Longitude (W): deg min sec (2 decimal places) OR Example: (N) 39.73691° (W) -104.98449° Latitude (N) 40 _092235 (5 decimal places) Longitude(W) -104 .828545 (5 decimal places) OR Universal Tranverse Mercator (UTM) Example: 201336.3 E NAD27 Zone 13 4398351.2 N UTM Datum (specify NAD27, NAD83 or WGS 84) Nad 83 Zone 13 Easting Northing I. -3- 11. Correspondence Information: APPLICANT/OPERATOR (name, address, and phone of name to be used on permit) Contact's Name: Mark Johnson Title: Compliance Manager/ Facilities and Acquisitions Company Name: Burnco Colorado, LLC Street/P.O. Box: 301 Centennial Drive P.O. Box: City: Milliken State: Colorado Zip Code: 80543 Telephone Number: (970 ) _ 587 7277 Fax Number: ( ) - PERMITTING CONTACT (if different from applicant/operator above) Contact's Name: Andy Rodriguez Title: Company Name: Civil Resources, LLC Street/P.O. Box: 323 5th Street, P.O. Box: 680 City: Frederick State: CO Zip Code: 80530 Telephone Number: (303 ) _ 833 1416 Fax Number: ( ) - INSPECTION CONTACT Contact's Name: Title: Company Name: Street/P.O. Box: P.O. Box: City: State: Zip Code: Telephone Number: ( ) - Fax Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - CC: STATE OR FEDERAL LANDOWNER (if any) Agency: Street: City: State: Zip Code: Telephone Number: ( ) - -4- 12. Prima future (Post -mining) land use (check one): LJ Cropland(CR) Pastureland(PL) TI Rangeland(RL) fl Forestry(FR) l Residential(RS) ri Recreation(RC) riDeveloped Water Resources(WR) 13. Primary present land use (check one : Cropland(CR) Rangeland(RL) Pastureland(PL) Forestry(FR) Residential(RS) El Recreation(RC) Developed Water Resources(WR) General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) Solid Waste Disposal(WD) General Agriculture(GA) Wildlife Habitat(WL) Industrial/Commercial(IC) 14. Method of Mining: Briefly explain mining method (e.g. truck/shovel): dry mining and screening, earth moving scrapers, dozers and excavators, haul trucks. 15. On Site Processing: Crushing/Screening 13.1 Briefly explain mining method (e.g. truck/shovel): dry/wet mining and screening, earth moving scrapers, dozers and excavators, haul trucks. List any designated chemicals or acid -producing materials to be used or stored within permit area: NA 16. Description of Amendment or Conversion: If you are amending or converting an existing operation, provide a brief narrative describing the proposed change(s). -5 - Mans and Exhibits: Two (2) complete, unbound application packages must be submitted. One complete application package consists of a signed application form and the set of maps and exhibits referenced below as Exhibits A -S, Addendum 1, and the Geotechnical Stability Exhibit. Each exhibit within the application must be presented as a separate section. Begin each exhibit on a new page. Pages should be numbered consecutively for ease of reference. If separate documents are used as appendices, please reference these by name in the exhibit. With each of the two (2) signed application forms, you must submit a corresponding set of the maps and exhibits as described in the following references to Rule 6.4, 6.5, and 1.6.2(1)(b): EXHIBIT A EXHIBIT B EXHIBIT C EXHIBIT D EXHIBIT E EXHIBIT F EXHIBIT G EXHIBIT H EXHIBIT I EXHIBIT J EXHIBIT K EXHIBIT L EXHIBIT M EXHIBIT N EXHIBIT O EXHIBIT P EXHIBIT Q EXHIBIT R EXHIBIT S Rule 1.6.2(l)(b) Rule 6.5 Legal Description Index Map Pre -Mining and Mining Plan Map(s) of Affected Lands Mining Plan Reclamation Plan Reclamation Plan Map Water Information Wildlife Information Soils Information Vegetation Information Climate Information Reclamation Costs Other Permits and Licenses Source of Legal Right -To -Enter Owners of Record of Affected Land (Surface Area) and Owners of Substance to be Mined Municipalities Within Two Miles Proof of Mailing of Notices to County Commissioners and Conservation District Proof of Filing with County Clerk or Recorder Permanent Man -Made Structures ADDENDUM 1 - Notice Requirements (sample enclosed) Geotechnical Stability Exhibit (any required sections) The instructions for preparing Exhibits A -S, Addendum 1, and Geotechnical Stability Exhibit are specified under Rule 6.4 and 6.5 and Rule 1.6.2(1)(b) of the Rules and Regulations. Ifyou have any questions on preparing the Exhibits or content of the information required, or would like to schedule a pre -application meeting you may contact the Office at 303-866-3567. Responsibilities as a Permittee: Upon application approval and permit issuance, this application becomes a legally binding document. Therefore, there are a number of important requirements which you, as a permittee, should fully understand. These requirements are listed below. Please read and initial each requirement, in the space provided, to acknowledge that you understand your obligations. If you do not understand these obligations then please contact this Office for a full explanation. 1. Your obligation to reclaim the site is not limited to the amount of the financial warranty. You assume legal liability for all reasonable expenses which the Board or the Office may incur to reclaim the affected lands associated with your mining operation in the event your permit is revoked and financial warranty is forfeited; -6- 2. The Board may suspend or revoke this permit, or assess a civil penalty, upon a finding that the permittee violated the terms or conditions of this permit, the Act, the Mineral Rules and Regulations, or that information contained in the application or your permit misrepresent important material facts; 3. If your mining and reclamation operations affect areas beyond the boundaries of an approved permit boundary, substantial civil penalties, to you as permittee can result; 4. Any modification to the approved mining and reclamation plan from those described in your approved application requires you to submit a permit modification and obtain approval from the Board or Office; 5. It is your responsibility to notify the Office of any changes in your address or phone number; 6. Upon permit issuance and prior to beginning on -site mining activity, you must post a sign at the entrance of the mine site, which shall be clearly visible from the access road, with the following information (Rule 3.1.12): a. the name of the operator; b. a statement that a reclamation permit for the operation has been issued by the Colorado Mined Land Reclamation Board; and, c. the permit number. 7. The boundaries of the permit boundary area must be marked by monuments or other markers that are clearly visible and adequate to delineate such boundaries prior to site disturbance. 8. It is a provision of this permit that the operations will be conducted in accordance with the terms and conditions listed in your application, as well as with the provisions of the Act and the Construction Material Rules and Regulations in effect at the time the permit is issued. 9. Annually, on the anniversary date of permit issuance, you must submit an annual fee as specified by Statute, and an annual report which includes a map describing the acreage affected and the acreage reclaimed to date (if there are changes from the previous year), any monitoring required by the Reclamation Plan to be submitted annually on the anniversary date of the permit approval. Annual fees are for the previous year a permit is held. For example, a permit with the anniversary date of July 1, 1995, the annual fee is for the period of July 1, 1994 through June 30, 1995. Failure to submit your annual fee and report by the permit anniversary date may result in a civil penalty, revocation of your permit, and forfeiture of your financial warranty. It is your responsibility, as the permittee, to continue to pay your annual fee to the Office until the Board releases you from your total reclamation responsibility. 10. For joint venture/partnership operators: the signing representative is authorized to sign this document and a power of attorney (provided by the partner(s)) authorizing the signature of the representative is attached to this application. -7 - NOTE TO COMMENTORS/OBJECTORS: It is likely there will be additions, changes, and deletions to this document prior to fmal decision by the Office. Therefore, if you have any comments or concerns you must contact the applicant or the Office prior to the decision date so that you will know what changes may have been made to the application document. The Office is not allowed to consider comments, unless they are written, and received prior to the end of the public comment period. You should contact the applicant for the fmal date of the public comment period. If you have questions about the Mined Land Reclamation Board and Office's review and decision or appeals process, you may contact the Office at (303) 866-3567. -8 - Certification: As an authorized representative of the applicant, I hereby certify that the operation described has met the minimum requirements of the following terms and conditions: 1. To the best of my knowledge, all significant, valuable and permanent man-made structure(s) in existence at the time this application is filed, and located within 200 feet of the proposed affected area have been identified in this application (Section 34-32.5-115(4)(e), C.R.S.). 2. No mining operation will be located on lands where such operations are prohibited by law (Section 34-32.5-115(4)(f), C.R.S.; 3. As the applicant/operator, I do not have any extraction/exploration operations in the State of Colorado currently in violation of the provisions of the Colorado Land Reclamation Act for the Extraction of Construction Materials (Section 34-32.5-120, C.R.S.) as determined through a Board finding. 4. I understand that statements in the application are being made under penalty of perjury and that false statements made herein are punishable as a Class 1 misdemeanor pursuant to Section 18-8-503, C.R.S. This form has been approved by the Mined Land Reclamation Board pursuant to section 34-32.5-112,C.R.S., of the Colorado Land Reclamation Act for the Extraction of Construction Materials. Any alteration or modification of this form shall result in voiding any permit issued on the altered or modified form and subject the operator to cease and desist orders and civil penalties for operating without a permit pursuant to section 34-32.5-123, C.R.S. Signed and dated this ?'I Z day of , .at..3/8 . l �v Dc.p LO(C). Le_. L If Corporation Attest (Seal) Applicant/Operator or Company Name Signed: Title: State of a%/^G�. ,/O ,) " � ,, / ) ss. County of ,G(.2e4 ) sit-- The foregoing instrument as acknowledged before me this of/ day of 2 by 1Hr 1�` � �t as // MADALINE KNIPP Notary Public State of Colorado Notary ID #20054037804 fielv Co tibli tllgi'iX°Exp #a 0647-2021 Signed: Corporate Secretary or Equivalent Town/City/County Clerk of aril ea as, -J' «C Notary Public Public My Commission expires: SIGNATURES MUST BE IN BLUE INK You must post sufficient Notices at the location of the proposed mine site to clearly identify the site as the location of a EXHIBIT A - LEGAL DESCRIPTION This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.1 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: LAND PARCEL DESCTRIPTION The North Half of the Southwest Quarter (N1/2 SW1/4) of Section Thirty-one (31), Township Two North (T.2N.), Range Sixty-six West (R.66W.) and the East 60 acres of the East Half of the Southeast Quarter (E1/2 SE1/4) of Section Thity-six (36), Township Two North (T.2N.), Range Sixty-seven West (R.67W.) of the Sixth Principal Meridian (6th P.M.), County of Weld, State of Colorado. EXCEPTING THEREFROM: That parcel of land described in that Quitclaim Deed recorded August 3, 1993 as Reception No. 02344482 of the records of the Weld County Clerk and Recorder. Said described parcel contains 142.625 Acres, more or less (±). PERMIT BOUNDARY DESCTRIPTION THE NORTH HALF OF THE SOUTHWEST QUARTER (N1/2 SW1/4) OF SECTION THIRTY-ONE (31), TOWNSHIP TWO NORTH (T.2N.), RANGE SIXTY-SIX WEST (R.66W.) AND THE EAST 60 ACRES OF THE EAST HALF OF THE SOUTHEAST QUARTER (E1/2 SE1/4) OF SECTION THIRTY-SIX (36), TOWNSHIP TWO NORTH (T.2N.), RANGE SIXTY-SEVEN WEST (R.67W.) OF THE SIXTH PRINCIPAL MERIDIAN (6TH P.M.), COUNTY OF WELD, STATE OF COLORADO. EXCEPTING THEREFROM: 1) THAT PARCEL OF LAND DESCRIBED IN THAT QUITCLAIM DEED RECORDED AUGUST 3, 1993 AS RECEPTION NO. 02344482 OF THE RECORDS OF THE WELD COUNTY CLERK AND RECORDER. 2) BLANKET TRAIL EASEMENT AGREEMENT, REC. NO. 4233870 THE SAID DESCRIBED PERMIT BOUNDARY CONTAINS 122.0 ACRES, MORE OR LESS (±). Burnco Colorado, LLC - Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit A -1 I 1 f EXHIBIT B - INDEXMAP -1 4. £ 4 ...-.1 { h • _ ' " " ' f r 1 I `'1 l,S e. 4 fAe/: f1 r c , .nom» _ It', _ i .L ('4 ,' 'tVIP .. �` I .. 1aLS. L 1 • � x , i 1 ill „,..... osaL t 4. ia� . ni re g. / ' s . Wes' SITE • '.,4. • � � �, , ,� li Y t . � a ri . iSt-..04 _ , to- 4 .21 a a. • 1,.. . 1. :-ar ... , 4 le is: i' ,wti' 'gyp • ib J k_ t • !! v IC POPIC r f x • ft11r ' . 4 is j . ... at, . . . _ ___ 1. • le.. 1 °% ? • *disk �y fP en ,e. Y -" ,..all re: I 1 1* 0.1 f r'! f t •L ri ��'►� A� t• it tiA is - 1 . It tip - 41 IC. y "1 `�T' 1. ,' . , '•. ' . +r � , I a T"l J / _fi tr‘ I •• n I - ` h. c .gyp _i .. . 1 tin f a• µt ,L.w • !i:_.r yy!�r' ' pky.W"d, . � 'i '+ J. • C 'u.J et, .► W �•d `1 '• JO Q TiyyC�' d .IY'..\ ''l >r i': �X 4' r co. '''.'7* - 1,4* . it" ) ' f {{ / t p •.--;,-- r- - - , kw,. • • „it 1.,:), , .. .Ird, • ,, .. , i A. .�.., r tp t x, .rim 140 ,',, '" a a +. t • 11 r - ' 1 . -Li. rs ip .?...i ,i t -yz . . . _...., , ,. , s . 1 p t /r > C- me gi� - .. O- f . ` 1 • ie ,_ et M� L •r•1 Y _ � .�►. ... a r54M'ya.^• a_.,• `3'; �e+ . ..,. �...�.w .. Y :.Y. 3 � fi a t'70 N PROJECT LOCATION MAP Bumco Colorado LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Applicatipn Exhibit B - 1 EXHIBIT C - PRE -MINING AND MINING PLAN MAPS OF AFFECTED LANDS Please refer to the attached Existing Conditions Map and Mining Plan Map. Burnco Colorado, LLC — Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit C -1 « I f 1 CENTER-EAST SIXTEENTH CORNER \ PER QUIT CLAIM DEED 100 H/F<0 [sEcnoN36T2NR.67W. \ I SCION31,CENTER-WEST SIXTEENTH CORNER REC,NO.02344482 \ \ LGEVER/ST!NC CQIJNTYI.'Q1dIJ 14.f LGEVERIST!NC _Is.cMP / '°Gq� ,i``-'� SECTION 31,T.ZN.,R.66W. 56"x39"CMP LOTS • HEIN LGEYER/ST/NC LGEL ERIS/'!NC ��14S 989'21'09"E 2787.81' LL:bVLK/S!'/NC SOUTH PLATTE VALLEY 10 30'WITNESS CORNER 20'WITNESS CORNER RICHARD LOT74 I HISTORICAL SOCIETY FOUND 21/2°ALUMINUM CAP C8 EAST QUARTER CORNER FOUND 2 12"ALUMINUM CAP RE-4/45 e9 4O 04 ® ON#6 REBAR,LS 30462,2007 5EClTDN 36,T.2N.,R,67W. ON#6 REBAR,LS 34980,2006 J •I ifs CIVIL RESU RCES, LLC .� 199'40'04 E 131754' 1 1- 30.00' / / • , CENTURY LINK 98921'09"E 1518 01 - '- Y' „„�� 1249.60'- • �`. �_..I I ' 36"CMP CENTURY LINK '� SECTION QUARTER,1.26 CORNER _ S2T.09' S894Q 04€ 995.45 _ _ - -.-- _ _ _ .� 323 5 h STREET FO• 'h'FF 'Q�-F� . It{, �9 - LZ 989'21'09"E 653.74 30,00 \.'2 ,fib _-. - .- P.0 5th 680 W.-- —_ _ _�"" .. _ FR 30 _ 1 79 �: W.�:-:.`.;, W s - 88.22,,, i S�, f.N _ _ _ � 1,T N. R W 1P.O. -,• og_ _II .20.00'✓ ABANDONED T'� // MLi, �'\` .��, �^� ol- FREDERICK,CO 805 CWCWD ,-,9,1_. S`O ` CWCWD FOUNDATI303.833.1416 CONCRON,E (/ L4 \ 1r ,� RF(o�°Wap WWW.CIVILRESOURCES.COM • • • WATERLINE UNITED •POWER II - • MW-1 / N WATERLINE :.9" ... II \ 0.� �q {f)„ < - 1 STORY BRICK hi \ • 1=d6b'-') 9' I ... '3 10oyRF`0OpYl Py WITH BASEMEN • 'Y• !}o�j. IDILAPIDATED BUILDING \"\\ m• A�PROGE OF '1'IWOOD GARAGE \_ FLOOD ZONE HE 1'-i UNITED POWER FLOOD ZONE AE 41 WOOD SHED' - I \ BLANKET TRAIL \\ I �" E%I5T BURIED METAL GARAGE -' S EASEMENT AGREEME 85 e _ V "INOUYE 11-31A" REC.NO.4233870 \ \ / UNITED POWER m IRRIGATION PIPE METAL WORKSHOP Q (KERR-MCGEE211 • BURNED COLORADO,LLC (\ (EXACTUNKNOWNN '}} ANADARKO) • a . • _ SOUTH PLATTE 301 CENTENNIAL OR. "INOUYE 9.36A" ) (KERR-MCGEE 1' 1 04° 1 \ I VALLEY \ \-.` \ WOOD SHED) 7/of - h 1 MILLSKEN,CO 80543 �. �^ANADARKo) :,..< n -`% m HISTORICAL • Lvi • P,,' I„_�c / - ai / 0 SOCIETY \ F, � _ O 1� fYJ 970 587 7277 G KERR-MCGEE ANADARKO "` °? 3 ii rC y' (REC.NO.0.:268.548) \ CONTACT:MARK JOHNSON GRASSHOPPER SSS 3 • I°< (KERR-MCGEE I ( / N W ` r `Z'rT a I,Iv, I`2 ANADARKO) I Y STEEL BRIDGE DECK TRICYCLE LANE I > 0 I I 1` p p _ °I' 12"RCP / /•� G TE.L'4SLLC / t d' 56 Z SO PVC• o`. ` _ ' UNITED POWER - ( I' . II} Ml 5� I 10 [�/ 3 I `1' ) I 4'DIAMETER METER HUT I$r>1 S' n¢ �/ IT \ \,.\'• ‘ I. ,, FLOOD ZONE AE COMPRESSOR 3 to //// \\ �I _J} "VYNCKIER DONALD GU B 902" 0.7% • SEPARATO• - 0 // X ` ii\hk, (KERR- CGEE ANADARKO) NORTH I - • -� \`4) ` 10'WAN: R a .. �� \ C _ bY°)' "INOUYE I5-33A"� .G°.... TANK 1 UNITED \ - \ (KERR-MCGEE S 12'DI•,I ETER _dpi - POWER A �/¢• y, 1 \ J,W.a TANK (we16N LLI O '' ..,555,,,��/ f( I tU SOUTH SIXTEENTH CORNER - \kk \ �@=,,< II I Z J a 7 'CI I I/( SECTION 36 T,2N 6.06W, rryy,, \ I \ i.y ,a - SECTION 31,T.2N.,0.,66W. "1.. �k •- MW POUND 2 1/2"ALUMINUM CAP "LL�� .{I S09'41'30"E 1318.98' 36 CMP ON#6 REBAR,LS 38048,2015 • ..BMW-3 \_-- .... _ - �, -�-. _ o X X •. 0 Ik--X-569'28.42"W 1441.70'=X-X 1892829 W 7335.55- 4 KERR-MCGEE GAS GAS GAS GAS ^•\ SOUTHWEST SIXTEENTH CORNER (1.1 Z DIAMETER 2.5 DIAMETER SECTION 31,T,2N„R,66W. \ '-1 Z Q O COMPRESSOR �ANADARKO KERR-MCGEE ANADARKO 12"STEEL PIPE ?- COMPRESSOR SURVEY INFO: a--I w Irli-- �1 KERR-MCGEE I FOUND 2"ALUMINUM LAP NN ANADARKO --SEPARATOR ON#6 REBAR,LS 18475 •- /LLT1 U ,Q SEPARATOR y/ w �� e ' 12'DIAMETER V rt: vv �, �` / •TANK • KING SURVEYORS J z 3 — f 10'DIAMETER \ / 650 Ii Garden Drive I Windsor,Colorado 80550 I- V 4 I - METER HUT "VYNCKIE13 DONALD TANK COLORADO phony(970)686-5011 I email inf:@lCln(;Sun•eynis.ci.m ,n _yJ SAM OSOSHI - 12'DIAMETER 3 CENTER-SOUTH SIXTEENTH CORNER N A' I$ �/ SAM GU 902" �' / -TANK GU B NOV SECTION 31,T.2N.,R.66W. DEPARTMENTLL w Z (KERR-MCGEE \ - FOUND 2 1/2"ALUMINUM CAP OF p KP KAUFFMAN ANADFRKO) - ( 10'DIAMETER �j ON#6 REBAR,LS 30462,2007 TANK CENTRAL COLORADO WATER 7RANSP K 1i0.5 oBoon I4a-f CONSERVANCY // 85 I PAGE/44) LEGEND m GnS _•_LL [REC,90.397/696] CITY OF FORT LUPTON m d N En" (REC NO.I•O59047) IL 1D I tilFOUND AIJOUOT CORNER � • - ' ,� / EASEMENT AS DESCRIBED C n /• - - W / SECTION LINE 6 SET'ALIQUOT CORNER : 18"CMP /r--,..i INOUYE 44-3fi" m j AS DESCRIBED (KP KAUFMAN WELL) M / .5`tl • QUARTER SECTION LINE 3 -( °�. ---- FOUND MONUMENT CO FA $ 4 - RIGHT-OF-WAY AS DESCRIBED REVISIONS r /_ ro g N/ / PROPERTY UNEN0. DESCRIPTION DATE N § sm..,--- / I 0"i VO CALCULATED POSTRON �i PERMIT BOUNDARY 10 SOILS TYPE co _( I '' / DUSTING CONTOUR- R RECORDED 01 - I )A /AO-/ / �r / \-4887- (I'INTERVAL) a \\ \I ) \ // I/ / P PLAITED / / 100 YR FLOODWAY LCI \' I// \\ ED / r( /;`I/I 85 GQ 3P M0 6 MOEASURRE OCATION '—100 YR FLOOD PLAIN Q , „/ /• J / o a MONITORING WELL 10 WEST SIXTEENTH CORNER 'p ®MW-3 MONITORING WELL 0,47E EXISTING GROUND SLOPE SOUTH PROPERTY OWNER _ SECTION 31,T.2N.,R.66W. / / o PLATTE 5. CIDZ SOUTHEAST CORNER SECTION 6,TAN.,R.66W. VALLEY — 3 L.) SECTION 36,T.2N.,R.67W. FOUND?°ALUMINUM CAP �' r a FOUND 3 1/4"ALUMINUM CAP Z _J .—., REBAR,LS 10855,1994 ON#6 REBAR,LS 25937,1984 • HISTORICAL SOCIUN✓<TED POWER OHE 280.00._ (REC.NO C) "�• ,• ' �, 989'42'57"w 1316.42' 4 r, _--. ON#6- :•-. $6 'Oi'W"1'45T"87EHE .HE OHE -._ OHE 6&i2'4011R7Y' 14136::�OHE •E E (REC.NO E / Z CITY OF FORT / 0'268548) (AEC NO!459047) SOUTH QUARTER CORNER CO EAST SIXTEENTH CORNER LOTS CENTRAL COLORADO WATER SECTION 31,T.2N.,6.66W. L'ECONSE COLORADO WATER 3 I I 280'WITNESS CORNER (' >0 SECTION 36,T.2N.,R.fi7w. RE-797/ CONSERVANCY DISTRICT J FOUND 2 1/2"ALUMINUM CAP CONSERVANCY ,.+ DESIGNED BY.BM_ DATE:,UBI 1100 LLI SECTION 1,TAN.,R.67W. (REL'NO.?yj/696) 10 ' ON#6 REBAR,LS 34980,2006 CC FOUND 2"ALUMINUM CAP (REC NO-397/696) 85 \ \ I `-,Y.- DRAWN BY: ABB SCAT F:AS NOTED LU ON#6 REBAR,LS 12330,1987 helm CHECKED BY: AWL AS NOTED STRUCTURE INFO: Calibef0IB ° JOB NO.: 213.001.29 ov FLOODPLAIN INFO: AFFECTED LANDS: NOTE: NAME:13.01,2 ca omons Iva a.Olw TRICYCLE LANE TEXAS LLC VARIOUS BUILDINGS OWNED BY LAND OWNER CIVIL RESOURCES, LLC-IS NOT RESPONSIBLE FOR SAFETY, IN, ON,OR ABOUT THE H SOILS MAP LEGEND FLOODPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLC: LLI WCR 14 1/5 & ROW (WELD COUNTY PUBLIC WORKS) FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJ<_CT SITE, NOR FOR COMPLIANCE BY-THE APPROPRIATE PARTY OF ANY W OVERHEAD POWER LINE (NORTHERN &SOOUTT HERN BOUNOARY)(UNITED POWER) MAP UNTT5YM8oL MAP UNIT NAME PANEL N0. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. OVERHEAD POWER LINE (WESTERN @OUNDARY)(UNITED P0WER)CO ❑1 ALNAN LOAM,0 TO 1 PERCENT SLOPES AND 08123C2104E I OVERHEAD POWER LINE (WCR 14 1/2) (UNITED POWER) EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH VARIOUS GAS LINES(KERR-MCGEE/ANADARKO, & KP KAUFMAN) Q ANDYLLS AND AQUENTR GRAVELLY SUBSTRATUM ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING EXISTING = INOUYE 44-36 WELL HEAD (KP KAUFMAN) to BANKARD SANDY LOAN,0ro3PERCErvr SLOPES,FREQUENTLY FLOODED EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS FUNAKOSHI SAM GU NO2 (KERR-MCGEE/ANADARKO) TOTAL PERMIT AREA THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT 32 KIM LOAM,1 TO 3 PERCENT SLOPES 03 INOUYE 9-36A WELL HEAD (KERR-MCGEE/PJADA KO) ❑ AGRICULTURAL FARM LAND 122 ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. a GRASSHOPPER WELL HEAD (HERR-MCG(f/ANAOARKO) ElNUNN CLAY LOAM,0 TO 1 PERCENT SLOPES PROPERTY ADDRESS: J+ INOUYE it-31A WELL HEAD (KERR-MCGEE/ANADARKO) fig USTIC TORRIORTHENTS,MODERATELY STEEP APPLICANT: 12210 WCR 1 = NOUNSE-1 DONALD GU B NO2 (KERR-MCGEE/ANADARKO) 85 WATER FT LUPTON, CO XXXXX SHEET: a NOUYE 15-31A WELL HEAD (KERR-MCGEE/ANADPRNO) ❑ BESTWAY CONCRETE&AGGREGATE FlBER OPTIC IN WCR 14 1/2 ROW (CENTURY LINK) • C▪O LUPTON BOTTOM DITCH 301 CENTENNIAL DRIVE N MILLIKEN, CO 80543 ID m 125 CO O Al II - RIGHT-OF-WAY-WAY 1°4., / PER QUIT CLAIM DEED \ Rp C...../:'''''''''';" CENTER-EAST SIXTEENTH CORNER REC.NO.02349482 OD [soN6 . LGEVER/STING CENTER-WEST SI%TEENTH CORNER L'QTJIVTYRQf�D 14 S LGEVERIST'JNC SECTION 31,T.2N.,R66 W. 'IAA/ LOTS HEIN LG EVER/ST INC I LCEVERISTIIbC RE 4/4.f I LGEVERISTINC SOLITE PLATTE VALLEY- 30'WITNESS CORNER RICHARD LOTS LOTH 20'WITNESS CORNER SITE ACCESS fSTORICAL SOCIETY FOUND 2 1/2"ALUMINUM CAP EAST QUARTER CORNER FOUND 2 1/2"ALUMINUM CAP ux'-./'�/. RE-4/45 RE-1145 • ON R,LS 30462,2007 SECTION 36,T.2N.,R.67W. ON#6 REBAR,LS 34980,2006 u. J / // /#6 REBAR,/ CIVIL RES'AU RCES, LLC CENTURY LINK CENTURY LINK �°�_ •. / - 189.21.09"E 1511.0 _ •��' -- � � ./ �� CENTER QUARTER CORNE0. 58940'04"E 995.45' - --- '• - '' � SECTION 31,T.2N.,R,66W.- I 323 5 h STREET FO --F�-4• •- `._t�s. - -.._ _ - _ �. a^I T+W — 1 f.. 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I / F`" / (REC NO.O.26RS4B) \ CONTACT)MARK JOHNSON ABANDONED KERR-MCGEE A II PHASE 2B (ANADARKO) L/ / PHASE 3 ✓ �: - / � 4 e '1 Z,' MAINTAIN 30'RADIUS 20.5 ACRES+/- STEEL BRIDGE DECK 22.2 ACRES+/- ;( I si ii. I 4� V C.q.ty� ---_12 RCP [ U v ,. 10'PVC o RELOCATE ELECTRIC LINE 4+01 ( // y x FROM THE SOUTH /i`/ - F' I° • / }I / C �• IN UNITED POWER I "1 O V / - mac'.. E/T/ ya /�' 7 1+00 O O. cJ 4'DI METE" M ER HUT • rn • rn a 3+00 FLOOD ONE AE COMP'ESS. / PHASE 2A �� '� "VYNCKTER DONA D GU B •2" i' • SEPARATOll m(r(" 3 25,4 ACRES+/- I \ fix. (KERR-MCGE:ANAOAR 0) 5; NORTH Q 3+00 101 1+•" . f:' 4 ''S / 10'DIAMETER Q "INO�YE 15-31•" • } TANK MAINTAIN_3+58 I r , 'NADARK•' �, 12'DIAI�EfER �Call lbefore lyou di. � UNITED (K RR-MCG: Q POWER TANK a1 DITCH M • � L 1 SOUTH SIXTEENTH CORNER / 0+00 1x00 '/ > • w O E10 SECTION 36,T.2N.,R67W. \ Z -) ,p �.. „ o SECTION 31,T.2N.,1,66 W. MW LIJ o c I 1. -f FOUND 21/2"ALUMINUM CAP - / I I SURVEY INFO: >- U 0 36"GMP ON#6 REBAR,LS 38046,2015- �M W-3 -- -— • - U • I- \, X X X X-58928'42"W 1441.70'—X X __X '\ - - X x 58926 29 W 1335.55'- \ J .CF'-- +� y- • KING SURVEYORS W V KERR-MCG +gip GAS GAS GAS CAS N� SOUTHWEST SIXTEENTH CORNER GSO E.Garden Drive Windsor.Cnln[ada 80550 \\ O C3 m - ', 2 10 / 2.5'DIAMETER I Z / w r _ 2.5 DIAMETER ANA 12"STEEL PIPE COMPRESSOR SECTION 31,T.2N.,R.66W. —� z V o COMPRESSOR �'KERR-MCGEE— B FOUND 2"ALUMINUM CAP \ Phnne:(070)68G-5011 I email:tntn(J4yhtng$uNcyntc.eom H Q / KERR-MCGEE ANADARKO •., o. O a -. OR �. ANADARKO 7 0 I SEPARATOR ON#6 REBAR,LS 15475 CC d u '�. --SEPARATOR / "X y \\o / 12'DIAMETER k V TANK • u5 C I Q 'g I 10'DIAMETER \ \ / LEGEND 7q�p� 1- y� \�„ NAK I I "VYNCKIER DONALD TANK COLORADO LEGEND :n �j a FUN09 ND 12'DIAMETER GU 9 NO1" CENTER-SOUTH SIXTEENTH CORNER DEPARTMENT �-e 4'.$ SAM GU NO2''T\ o ,/ TANK SECTION 31,T.2N.,6.66W. u�m 2 x L FOUND 2 1/2"ALUMINUM CAP OF EASEMENT ti y (KERR-MCG Si FOUND ALIQUOT CORNER O KP KAUFFMAN p •NADARKO `�1 °E DIAMETER 1 ON#6 REBAR,LS 30462,200] TRANSPORTATION AS DESCRIBED '0 j o- �! :TANK CENTRAL COLORADO WATER (BOOK/4//.f —--— SECTION LINE • SET ALIQUOT CORNER 22 MAINTAIN I yQ" CONSERVANCY DISTRICT PACE/44) '` AS DESCRIBED CULVERT !,I ^' �,IW$ --%' (REC.NO.3971696) CITl'OFFORTLUPTP.N _ ` / QUARTER SECTION UNE FOUND MONUMENT CL FRESH WATER (REC NO 1459047) RIGHT-OF-WAY • AS DESCRIBED • PROPERTY UNE O CALCULATED POSRION V // u CY) + 1� NOUYE 49-36" n 4' / °° csi . � (KP KAUFMAN w ) w4`�+ PERMIT BOUNDARY 10 SOILS TYPE - C RELOCATE ELECTRIC LINE , + In / �} / P PLATTED N�4�7 �IXISTI INTERVAL) REVISINO DESCRIPTION DATE DATE O FROM THE SOUTHZo N 'i a F, N MEASURED •/r!.! 100 YR FLOODWAY Lc) L. rr4+58 I 4.�P / 8.6 —'—'—100 YR FLOOD PLAIN 1+•0' IO 3+?. 4+00 1 x / 0 BORE LOCATION pT 4 PHASE 1 '0 I I SILT STORAGE •5• O 4X MONITORING WELL ,T�4' ®MW-3 MONITORING WELL 15.4 ACRES+/- ,`'U / EXISTING GROUND SLOPE LL3 I / Q SOUTH PROPERTY OWNER 3 5 / 3e PLATTE YALLE Z / o HISTORICAL CO ,- WEST SIXTEENTH CORNER / SOCIETY Z SEC ION 31,T.2N.,R.66W. O SOUTHEAST CORNER SECTION 6,T.1N.,R.66W. (REC.NO, O SECDON 36,T.2N.,R.67W. 0?�68SJR) MW-5 + FOUND 3 1/4"ALUMINUM CAP FOUND REBAR,MI 2M CAP1984 / 3 Of * ON#6 REBAR,LS 10655,1994 4 �. J CROSS SECTION CALL 0111 Z U _ ° 'e .. OWE _ _-.. ONE _ ONE- _ OHE ONE ONE - ORE - OHE OHE E a - . :"'a/W 995.44 • ..�_ - - e Z UNITED POWER OHE CITY OFFORTLUPTYJN - `^' (REC.NO 14590471 SOUTH QUARTER CORNER I— CJ) EAST SIXTEENTH CORNER LOTS CENTRAL COLORADO WATER SECTION 31,T.2N.,R.66W. CENTRAL COLORADO WATER I 280'w X SECTION 36,T.2N.,R.67W. RB'/g71 CONSERVANCY DISTRICT FOUND CONSER HA0,39/A TRICT DESIGNED BY:.5L,, DATE:JUNE,me W FOUND 2"1,LUMIN MCAP (REC.NO.3977696) ON#6 thFOUND ALUMINUM CAP (REC.NO..3971696) \ I \ DRAWN BY: _AM_ SCALE:AS NOTED Ili ON#6 REBAR,LS 12330,1987 HARES FROM MINE PERMIT/PROPERTY UNE/ROW OR EARBIENT,NO LESS THAN 20' CHECKED 8Y: A0.R A$NOTED O JOB NO.: 213.001.29 FLOODPLAIN INFO: AFFECTED LANDS: NOTE: TEMPORARY TOPSOIL STOCKPILE -SETB 12'OACK DWG NAME:COU6fM R-FX000NOOIONSUOUYFAYIG _ - 11.1 FL00DPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLC: CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR SAFETY, IN, ON,OR ABOUT THE R- U,1 FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE,NOR'FOR COMPLIANCE BY THE APPROPRIATE PARTY OF'ANY _.- - _ E%1511NG GRADE 2 PANEL NO. 0812302102E LUPTON BOTTOM DITCH REGULATIONS THERETO. ___-___.._____. _- CO AND 08123C2104E GROUNDWATER I EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH SLURRY WALL UT ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING TABLE 0.5 MINING '� EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 1 3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT AGRICULTURAL FARM LAND XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. 06 PROPERTY ADDRESS: ....,....... ••,�••,•,,,• _ OEWATERING TRENCH, APPLICANT: 12210 WOR 14; POSITIVE DRAINAGE TO SUMP BOTTOM OF SHEET: O FT LUPTON,CO. XXXXX GRAVEL RESERVE c BURNCO COLORADO. LLC cO 3 301 CENTENNIAL DRIVE TYPICAL - TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION N MILLIKEN, CO 80543 NOT 70 SUIT IX co co 03 03 EXHIBIT D - MINING PLAN This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.4 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Description of the method(s) of mining to be employed in each stage of the operation as related to any surface disturbance on affected lands; The proposed permit area includes a significant deposit of sand and gravel located in the alluvium of the South Platte River in Weld County. The site is located south of Weld County Road 14.5 and is west of Highway 85. It encompasses 122 acres +/-. Site Preparation: Initial disturbance of the property will include: clearing the site of existing structures (with exception of the structures to remain), constructing the slurry wall, dewatering the site, and stripping the topsoil and overburden material. Minin : After the slurry wall installation, dewatering trenches will be excavated down to bedrock to dewater the portion of the site located within the slurry wall. Groundwater collected in the dewatering trench will be pumped into a settling pond and ultimately discharged to the South Platte River located initially on the east end of the property and eventually on the west end of the property. Once water levels are controlled through the dewatering system, scrapers will strip the topsoil and overburden material from a given phase and stockpile them separately for use during site reclamation. Any excess material not needed for reclamation may be sold or hauled off -site during the life of the mine. The sand and gravel material will be excavated down to bedrock. Each phase will be dry -mined using scrapers, bulldozers, front-end loaders, excavators, or similar equipment. The mining on this site will progress in four phases, ranging in size from 20-25 acres and proceeding from west to the east. The operator will develop and comply with a Stormwater Management Plan and Spill, Prevention, Control and Countermeasures Plan. The operator will notify the Division of Reclamation and Mine Safety and in the event of a reportable spill. Processing: All material mined under this proposed application will be transported by conveyor or haul truck to the processing area. The processing area will be located on the west side of the site for the entire project. Once mining of that area has ceased the processing plant will be moved to the east side of the site. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D -1 Import Material: Burnco Colorado, LLC may import material from and export material to other sites. The applicant is aware that in accordance with Rule 3.1.5(9) of the Construction Material Rules and Regulations, if any offsite material is used as backfill, a notarized letter will be submitted to the Division indicating the materials are inert. The applicant will supply such a letter to the Division if, at the time of Reclamation, the applicant intends to use off -site material as backfill. (b) Earthmoving; Topsoil and overburden will be stripped with scrapers or bulldozers and stockpiled in segregated piles at the edge of the active mine phase. Excavators, front-end loaders, and bulldozers will be used to excavate the material. Conveyor belts or haul trucks will be utilized to transport the raw material from the active mine phase to the processing area. The phases will be mined at a 0.5H:1V slope. (c) All water diversions and impoundments; and The perimeter of the mined area will be dewatered by digging a trench to bedrock. The water will be pumped into a settling pond and discharged in accordance with a CDPS permit. Wash water for the processing area will be recycled through a series of small ponds within the processing area. The water required to operate the facility will likely be provided by the existing water rights associated with the property. No ditches will be disturbed without prior authorization of the appropriate ditch company. (d) The size of area(s) to be worked at any one time. Excluding the processing area, the maximum area to be worked on at any one time is approximately 30 acres. (e) An approximate timetable to describe the mining operation. The timetable is for the purpose of establishing the relationship between mining and reclamation during the different phases of a mining operation. The Operator anticipates that mining will commence as soon as all permits are in place. The Operator anticipates extracting approximately 500,000 tons of aggregate per year, however, production rate may vary based on market demands. Timetable for Mining and Reclamation Phase 1: Mining will begin with the silt storage area in the first year. Stripping of the plant area and proposed concrete and asphalt plants will also occur. The stockpile area will be stripped during this time. This area will take approximately a year to reclaim and will happen at the end of the mine. Phase 2: This phase will consist of approximately 2a and 2b and will take approximately 5 years to mine and 2 years to reclaim. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D - 2 Phase 3: This phase will consist of the eastern cell and will take approximately 3 years to mine and 2 years to reclaim. Reclamation will begin immediately after mining is complete. When possible, concurrent reclamation practices will be used to minimize site disturbance and to limit material handling to the greatest extent possible. Please refer to the Mining Plan Map in Exhibit C for phase areas to be mined, locations and areas. (0 Use Mining Plan Map in conjunction with narrative to present: (i.) Nature, depth and thickness of the deposit and thickness and type of overburden to be removed Exploratory borings drilled (December, 2017) primarily along the perimeter of the site, encountered approximately two to four feet of overburden topsoil, silty sands and sandy lean clays overlying approximately 22 top 45 feet of sand and gravel on top of primarily claystone bedrock. Refer to the Stability Analysis (Exhibit S) for locations of the property extents and boring locations. The bedrock depths in the proposed mine areas ranged from approximately 25 feet to 45 feet below the ground surface. (ii.) Nature of the stratum immediately beneath the material to be mined in sedimentary deposits The site is located approximately 20 miles east of the foothills of the Colorado Front Range on the western flank of the Denver Structural Basin. The basin is a downwarp of sedimentary strata that tends north-northwest, parallel to the mountain front. In the project area, the sedimentary bed dips gently eastward toward the axis of the basin east of the site. Based on regional geologic mapping (Colton, 1978), the near surface bedrock in the project area is the Paleocene and Upper Cretaceous Denver and Arapahoe Formations. The bedrock is overlain by upper Pleistocene and Holocene (Quarternary age) gravel deposits and eolian (wind blown) overburden soils. The gravel deposits exist primarily within the Broadway Alluvium deposit. The bedrock unit consists mainly of claystone and may contain lenses of siltstone and sandstone. (g) Identify the primary and secondary commodities to be mined/extracted and describe the intended use. The primary commodities are sand, gravel and fill; intended for construction materials. (h) Name and describe the intended use of all expected incidental products to be mined/extracted by the proposed operation. There are no expected incidental products to be mined. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D - 3 (i) Specify if explosives will be used in conjunction with the mining (or reclamation) No explosive material vAll be used on -site. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit D - 4 1 EXHIBIT E - RECLAMATION PLAN This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.5 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: The proposed mining and reclamation plan focuses on minimizing the ecological impacts of mining, minimizing the length of time of impact, and maximizing long-term benefits. (a) A description of the type(s) of reclamation the Operator proposes to achieve in the reclamation of the affected land, why each was chosen, the amount of acreage accorded to each, and a general discussion of methods of reclamation as related to the mechanics of earthmoving; The mined area will be reclaimed to a lined water storage reservoir due to a need within the state for water storage facilities. Refer to Exhibit F for the acreages and additional details. Earthmovinq The topsoil will be replaced by a scraper and generally graded with a blade. All grading will be done in a manner that controls erosion and siltation of the affected lands, to protect areas outside the affected land from slides and other damage. In addition, all backfilling and grading will be completed as soon as feasible after the mining process. All disturbed areas will be regraded and smoothed to a finished grade that is suitable for revegetation or the final land use. As noted previously, the area will be reclaimed as mining proceeds. Finish grading, topsoil placement and seeding will occur throughout the life of the mine. Once the resource is completely removed, final grading and vegetation of the slopes will be completed. The empty vessel will be available for water storage. A typical cross-section of the shoreline is included on the Reclamation Plan Map. (b) A comparison of the proposed post -mining land use to other land uses in the vicinity and to adopted state and local land use plans and programs. The water storage reservoirs will be compatible with the other land uses in the vicinity, which includes farmland, industrial land, and rural residential. (c) A description of how the Reclamation Plan will be implemented to meet each applicable requirement of Section 3.1. The Operator will carry reclamation to completion with reasonable diligence. Each phase of reclamation will be completed within one to two years from completion of mining, but not more than five years from the date the Operator informs the Board or Office that such phase has commenced. Section 3.1.5 Reclamation Measures Material Handling Grading will be performed to help control erosion and siltation of the affected lands through phased mining, implementing good operation techniques to handle material as little as possible, and vegetation of stockpiles remaining in place for more than one growing season. Although the use of erosion protection devices is not anticipated, if deemed necessary by the Burnco Colorado, LLC-Inouye Gravel Mine - MLRB 112 Permit Application Exhibit E -1 operator at the time of excavation, silt fence and haybale dams will be installed to prevent erosion. Backfilling and grading will be completed as soon as feasible after the mining process is complete for each phase. Maximum slopes and slope combinations will be compatible with the configuration of surrounding conditions and selected land use. Mining will occur at a slope that is stable. Reclaimed slopes in the water storage reservoir will not be steeper than a 3:1 ratio. The upland area will be reclaimed to grades consistent with pre -mining elevations. The operator will backfill using fill material generated on -site, or imported inert fill generated outside the permit area. If any inert off -site material is used as backfill, a notarized letter will be submitted to the Division as required by Section 3.1.5(9) of the MLRB Construction Material Rules and Regulations. It is not anticipated that mining will uncover any refuse or acid-forming or toxic producing materials, however if any such materials are encountered the operator will take precaution to handle the materials in a manner that will control unsightliness and protect the drainage system. Drill or auger holes that are part of the mining operation shall be plugged with non- combustible material, which shall prevent harmful or polluting drainage. Any test pits, soils boring holes, or monitoring wells not located within the mine excavation limits will be plugged as soon as it can be confirmed that they are no longer needed for the operation. Mined material to be disposed of within the affected area will be handled in such a manner so as to prevent any unauthorized release of pollutants to the surface drainage system. No unauthorized release of pollutants to groundwater shall occur from any materials mined, handled or disposed of within the permit area. Section 3.1.6 Water -General Requirements The Operator will comply with applicable Colorado water laws governing injury to existing water rights and with applicable state and federal water quality and dredge and fill laws and regulations. The operator will develop and comply with a stormwater management plan and will use best management practices (BMPs) to ensure groundwater and surface water are protected to the greatest possible extent. BMPs include schedules of activities, prohibitions of practices, maintenance procedures and other management practices to prevent or reduce the pollution in runoff from the site. Section 3.1.7 Groundwater - Specific Requirements The Operator will comply with the applicable standards and conditions for classified and unclassified groundwater. Section 3.1.8 Wildlife: The mining and reclamation plans have been designed to account for the safety and protection of wildlife on the mine site. The Operator will mine the site in phases and use concurrent reclamation methods to minimize the impact on wildlife. As described in the attached site assessment, Exhibit H of this application, the proposed reclamation plan may improve wildlife habitat. The proposed seed mix and plantings will Burnco Colorado, LLC—Inouye Gravel Mine — MLRB 112 Permit Application Exhibit E - 2 create improved cover, foraging, roosting, and nesting areas for wildlife. The water area within the reservoir will serve as habitat for waterfowl and other bird species and the fringes of the reservoir will be used by mammal, bird, reptile and amphibian species. Control and/or removal of noxious and weedy species during the project and the replacement of desirable graminoid, forb, shrub and tree species during reclamation will result in enhancement of wildlife habitat on the project site. Section 3.1.9 Topsoiling Topsoil shall be removed and segregated from other spoil. Topsoil stockpiles shall be stored in places and configurations to minimize erosion and located in areas where disturbance by ongoing mining operations will be minimized. Once stockpiled, topsoil shall be rehandled as little as possible. Stockpiles that will remain in place for more than one growing season will receive vegetative cover, as outlined on the Reclamation Plan Map, as soon as possible to minimize erosion. Section 3.1.10 Revegetation: In those areas where revegetation is part of the reclamation plan, the land shall be revegetated in a manner that establishes a diverse, effective, and long-lasting vegetative cover that is capable of self -regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. The proposed seed -mix and plantings for reclamation are outlined on the Reclamation Plan included in Exhibit F of this application. Section 3.1.11 Buildings and Structures Please refer to the enclosed Reclamation Plan included in Exhibit F. Section 3.1.12 Signs and Markers The Operator will post appropriate signage at the entrance to the mine site. The permit area will be marked by existing fencing, or proximity to existing County roads. (d) Plans for topsoil segregation, preservation and replacement; for stabilization, compaction and grading of spoil; and for revegetation. Topsoil will be removed and segregated from other spoil. Topsoil not needed for reclamation may be sold or removed from the site. For reclamation, topsoil will be replaced by a scraper and generally graded with a blade. Grading shall be done in a manner that controls erosion and siltation of the affected land and protects areas outside the affected land from slides and other damage. In addition, backfilling and grading shall be completed as soon as feasible after the mining process. Final grading will create a final topography that is appropriate for the final land use. For example, final grading of the reservoir above the high water line will replace material at a maximum 3:1 slope to meet the grade at the top of the banks. Topsoil will be uniformly placed and spread on areas disturbed by the mining, above the anticipated high water line. The minimum thickness shall be 6 inches above the surrounding finished grade, consistent with existing topsoil depths on -site. The topsoil shall be keyed to the underlying and surrounding material by the use of harrows, rollers or other equipment suitable for the purpose. Burnco Colorado, LLC—Inouye Gravel Mine — MLRB 112 Permit Application Exhibit E - 3 In those areas where revegetation is part of the reclamation plan, the Operator will revegetate the land in such a manner so as to establish a diverse, effective, and long- lasting vegetative cover that is capable of self -regeneration without continued dependence on irrigation or fertilizer and is at least equal in extent of cover to the natural vegetation of the surrounding area. Seed will be drilled and mulched. The revegetation seeding and plant list on the Reclamation Plan Map contains the preferred species of grasses, shrubs and trees to be planted. Seeding will take place once final grading and replacement of topsoil have been completed for each phase. Timing of seeding will be consistent with standard horticultural practice for dryland applications - generally between late September and the middle of April to ensure there is adequate moisture for germination. (e) A plan or schedule indicating how and when reclamation will be implemented. Include: i. An estimate of the periods of time which will be required for the various stages or phases of reclamation. Please refer to the Timetable for Reclamation below; Phase 1: Mining will begin with the silt storage area in the first year. Stripping of the plant area and proposed concrete and asphalt plants will also occur. The stockpile area will be stripped during this time. This area will take approximately a year to reclaim and will happen at the end of the mine which coincides with year 10. Phase 2: This phase will consist of approximately 2a and 2b and will take approximately 5 years to mine and 2 years to reclaim. Phase 3: This phase will consist of the eastern cell and will take approximately 3 years to mine and 2 years to reclaim. ii. A description of the size and location of each area to be reclaimed during each phase. Please refer to the Reclamation Plan Map (Exhibit F). iii Outlining the sequence in which each stage or phase of reclamation will be carried out. Please refer to the Timetable for Reclamation below; Phase 1: Mining will begin with the silt storage area in the first year. Stripping of the plant area and proposed concrete and asphalt plants will also occur. The stockpile area will be stripped during this time. This area will take approximately a year to reclaim and will happen at the end of the mine. Phase 2: This phase will consist of approximately 2a and 2b and will take approximately 5 years to mine and 2 years to reclaim. Burnco Colorado, LLC—Inouye Gravel Mine — MLRB 112 Permit Application Exhibit E - 4 Phase 3: This phase will consist of the eastern cell and will take approximately 3 years to mine and 2 years to reclaim. (0 A description of I. Final grading - maximum anticipated slope gradient or expected ranges thereof,. The finished slopes of the reservoir will be 3 horizontal to 1 vertical. ii. Seeding - types, mixtures, quantities and time of application; Please refer to the Reclamation Plan Map for the list of plant materials and seeds to be utilized. The operator will seed during the appropriate season to ensure adequate moisture for germination and implement weed controls to allow the grasses to successfully establish. Additional plantings may be installed once the reservoirs are full of water and the grasses are established. iii. Fertilization -types, mixtures, quantities, and time of application; The type and application rate of fertilizer shall be determined based on a soil test at the time of final reclamation. iv. Revegetation - types of trees, shrubs, etc.; and Please refer to the Reclamation and Landscape Plan Maps for the types, quantities and location of trees and shrubs to be planted. v. Topsoiling - specify anticipated minimum depth or range of depths for those areas where topsoil will be replaced. Topsoil will be uniformly placed and spread on all areas disturbed by the mining above the anticipated high water line. The minimum thickness shall be 6 inches above the surrounding finished grade. WEED MANAGEMENT PLAN Burnco Colorado, LLC has a full-time weed manager on staff. This person is responsible for monitoring and controlling noxious weeds as they appear. Burnco Colorado, LLC typically prefers to control weeds mechanically, by mowing and/or discing. If necessary, weeds will be killed with a contact herbicide. Bestway Concrete has all of the necessary equipment in house to perform these tasks. Burnco Colorado, LLC-Inouye Gravel Mine — MLRB 112 Permit Application Exhibit E - 5 EXHIBIT F- RECLAMATION PLAN MAP Please refer to the attached Reclamation Plan Map. Burnco Colorado, LLC - Inouye Gravel Mine — MLRB 112 Permit Application Exhibit F -1 r -• RIGHT-OF-WAY U80 ENTER-EAST SIXTEENTH CORNER PER QUIT CLAIM DEED Yq F(O SECIION 36,T.2N.,R.67W. LGEGERISTLNC CENTER-WEST SIXTEENTH CORNER RC{.N0.02344482 Op COUNTY I4.S LGEVERIST6VC SECTION 31,T.2N.,R fi6W. \ „NIC"''''''..*: HEIN LCEVERISTINC I LOETERISTINC LOTH I N8921'DB"E 2767.87' -gyp/44 LGEVERF.STINC 1 SOUTHPLATIE GALLEY 30'WITNESS CORNER RICHARD LOTS LOTA I 20'WITNESS CORNER \\ HISTORICAL SOCIETY FOUND 21/2"ALUMINUM CAP EAST QUARTER CORNER FOUND 2 1/2"ALUMINUM CAP RE-414_5 �'-4L4f , SECTION 36,T.2N.,R.67W, ON 46 REBAR,LS 34980,2006 �, ON#6 REBAR,LS 30462,2007 CIVIL LLC 589'40veE 1317.54' _ �I�•.' �' • - • -�3Q.tio:/ /// �L/ / / . 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MONITORING WELL 0.4% EXISTING GROUND SLOPE SOUTH PROPERTY OWNER p) RECLAIMED 'L SILT STORAGE 15.4 ACRES+/- �' / PLATTE CQ VALLEY - 5 / e HISTORICAL -�' SOCIF/CA O / a Z a° (REC.NO. CI') WEST SIXTEENTH CORNER / .5 022855¢8 Z SECTION 31,7.2N.,R.66W. O SOUTHEAST CORNER SECTION 6,T.1N.,R.66W. SECTION 36,T.2N„R.67W. 3 H MW-5 FOUND 3 1/4"ALUMINUM CAP FOUND #6 2.ALUREBARMINUM M CAP 4 5 _A CROSS SECTION CALL OUT D ON#6 REBAR,LS 10855,1994 Z I ••• 280.00__ O — R — U �„ :mot. _�:: .�_` , --.,�. 6 -._ aB U4'.M raar:d/C4I€ ORE ORE QME 69&e-'.w"`•or- —ONE OFF UIIE CO • > �— - UNITED POWER ORE CIT}'OFFORTLUP7k7N / H Z N6Y42'57"W 1316.42' (REC NO,1459047) SOUTH QUARTER CORNER LOTH CENTRAL COLORADO WATER SECTION 31,T.2N.,R.66W. CO EAST SIXTEENTH CORNER CENTRAL COLORADO WATER I LU SECTION 36,T.2N.,0.57W. RE-L971 EER I!-'LV DISTRICT W CONFER(':^1NCYD/STRICT CONSER NO 39715 39716967 DESIGNED BY:�I� DATE:curve xoie ( SECTION 1,T.1N.,R.67W. FOUND 2"ALUMINUM CAP (REC NO.3971696) DRAWN BY: ARR SCALE'AS NOTED W ON#6 REBAR,LS 12330,1987 1 VARIES FROM MINE PTMIT/PROPERTY UNE/ROW OR EASEMENT,NO LESS THAN 20 CHECKED BY( .SL— AS NOTED O TEMPORARY TOPSOIL 100 NO,: 213.001.29 Q FLOODPLAIN INFO: AFFECTED LANDS: NOTE: STOCKPILE SACK DWG NAME;COWR'EXSREGCOEIWONS41611E,DvRG CO 6W FLOODPLAIN INFO IS FROM TRICYCLE LANE TFYAS LLC: CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR SAFETY, IN, ON, OR ABOUT THE 10.0' W FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY SMACK E05PNG GRADE = PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. . C1) AND 08123C2104E GROUNDWATER SLURRY WALL J EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH TABLE RECLAMATION cn ACCESS ROADS BURNCO COLORADO, LLC. BESTWAY SILL KEEP THE DIVISION OF RECLAMATION MINING EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 1I 1 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT m XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. as 3 a AGRICULTURAL FARM LAND » , >,,>,,,,,, ,,,>,>,>,,,,,,>,,,,,,,,,>,,,>„>,,,,» ,,>,.. ,,,,,,>,» ,,,,,>,,,,,.,,>,> ,»>„>os >,,,>„ „>,>,,,,>,» >,>,>,>, m PROPERTY ADDRESS: APPLICANT: 12210 WCR 14 O DEWATERING DR INTRAGEH, BOTTOM OF �' POSITIVE DRAINAGE TO SUMP SHEET: p - FT LUPTON.CO.XXXXX GRAVEL RESERVE c BURNCO COLORADO, LLC ANDREW R RODRIGUEZ. P.E. DATE ch 301 CENTENNIAL DRIVE CIVIL RESOURCES, LLC. TYPICAL- RECLAMATION CROSS SECTION 4 N MILLIKEN, CO 80543 NOT TO SCALE a m CO CO CD CO 0 Mwl Mwz MW3 Mw4 Mws , ,) CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES WATER LEVEL '��/ EL.=4886.6 EL.=4888.5 EL.=4889.45 EL.=4887.65 EL.=4890.45 AND DATE ° /// //, //, j/ ° MEASURED CIVIL RESOURCES, LLC -12-t3-20t7� ,�`♦' �///, /�/// jam`/, 323 5th STREET ";'; F 12-13-17_r_ FREDERICK,CO 80530 • 12-13-2017 12-13-17� ,•' 303.833.1416 W W W.CIVILRESOURCES.COM _ 12-13=17 10 _h 12-13-2017 _ 10 - 0;-::',.ip , BESTWAY CONCRETE - �� 5901 YORK STREET ,Q DENVER,CO 80261 i 303.288.7029 - 9 CONTACT:MARK JOHNSON A ,. ; STANDARD SPLIT SPOON 38 47 / 28 SAMPLE. NUMBER INDICATES # OF BLOWS OF A 140 LB _' HAMMER FREE FALLING Li.] O 30-INCHES WERE REQUIREDQ i- ',1'..,:iir:,'''1.30 — /�a0 k /'a5 —30 TO DRIVE THE SAMPLER < _ 1-FOOT. Z J - :�19 21 �... - ''21 CZ - 2" 0 PIEZOMETER 10-SLOT w W 1- - - 85/10 40 SCREEN INTERVAL 40 {;+.:;• - - - 0 _J _ z:. , , -h 84/10' - _ r _ NOTES: _ m i / 80/11" a - _ 1. EXPLORATORY BORINGS WERE DRILLED DECEMBER 13, 0 50 _ -492,11 -�%� -50 2017 WITH 4 ID HOLLOW STEM AUGERS USING A N - -'j 77 TRUCK MOUNTED CME-75 RIG. r - REVISIONS CO O - NO DESCRIPTION DATE CV - ✓ - 2. LINES BETWEEN MATERIALS REPRESENT APPROXIMATE BOUNDARIES BETWEEN TYPES. TRANSITIONS MAY BE GRADUAL. LL 60 --- 60 3. GROUNDWATER LEVELS WILL FLUCTUATE. O BORE LOG LEGEND: Z "1) /' OVERBURDEN:CLAYEY SAND TO SANDY CLAY, 4. BORING ELEVATIONS ARE ESTIMATED FROM Z MEDIUM STIFF TO STIFF,SLIGHTLY MOIST TO MOIST. o BROWN(CL SC) TOPOGRAPHICAL MAPPING AND SHALL BE CONSIDERED _WCR 14.5---- ®W-2\ APPROXIMATE. oS' .MW-1 U SAND:MEDIUM DENSE TO VERY DENSE,ENE TO $ COARSE GRAINED, LOCAL,GRAVELLY,LOCAL TRACE 8BH-1 :T 0 ' Z . SILT, MOIST TO WET,BROWN (SP) L BH-2 BH-3 \ X E,�' SAND AND GRAVEL;MEDIUM D€NSE, FINE TO COARSE I 'I _N0RiH DESIGNED BY:_a_ DATE,;uBE.Me L �: GRAINED. MOIST TO WET, BROWN(SP,GP,SW,GIN) 0 Gt �.Eli l 8 BH-4 BH„5j BH-6 , CDHECKED ED BY: GL SCALE:AS NOTED AS NOTED LJOB NO.: 213:001.29 O I p 6-6 U -�C4:Si -_-------0_A DWG NAME:COVEA•EXTSWGCONOITIONS-INOITEDN'G H � rr, CLAYSTONE:FIRM TO VERY HARD,SLIGHTLY MOIST r U.} ,N TO MOIST,OLIVE GRAY TO DARK GRAY,MODERATEtX I I MW-3 M W-4 _ TO HIGHLV PLASTIC cr)I �' I PERMIT BORE LOGS ®I BOUNDARY a B•7 a i B-2 I •. wIiafsbeIIov SHEET: A L. ------ KEY MAP C llbetors', , . 5 N MW-5 a m a y C11 A 4 R n 4020 �^ STA: 1+34.65 4910 '�� EL 4690890.10 STA: 1+64.91 5TA: 4+58,37 STA: 1+29.64 EL: 4890.18 EL: 4890.00 EL: 4890.05 OHE EXISTING 4900 4890 CIVIL RESOURCES, LLC GRANG PERMIT 7 323 5th STREET STA: 1+42.52 880.16 P.O.Box 680 EL: 4890.16 O.SH:1 V� 4880 MINE SLOPE FREDERICK,CO 80530 STA: 55,62 0 STA: 1+82.22 STA: 57.11 7 4855.62 EL 4855.59' �EL 4857.11 4870 303.833.1416 BEDROCKS WWW.CIVILRESOURCES.COM IEL: 77777777777777777777777777 777\7777 / /77`77/ / /77"777777 7-77777"777777777-77-7 / / 4860 4850 4840 4830 ta w BURNCO COLORADO,LLC (]I m vi W ..- 6 mui m ro m m m m O < a - h n w w w 301 CENTENNIAL OR. II II �I I� II II II �I �I �I a II II �j III II �I w 2 8 w w w w w w w w w w 1 CROSS SECTION MILLIKEN,CO 80543 w w w w w 6 7O t m Reed 970 587 7277 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 5+00 CONTACT: MARX JOHNSON 4310 STM. 0+32.86 STA:.0+99.34 STA: 2+03.40 —— 4900 EL 468.71—\s„ EL 4888.71 EL 4889.42 ——— ._——____——T�—————————————————— ————————————— 4890 GASJ/F EXISTING_/ 0.5H:1V \ 4880 GRADE MINE SLOPE STA: 2+20.31 \ STA: 2+92.05 4870 ,®�pp EL: 4856.20 EL: 4856.75—\\ ey BEDROCK 4860 Ce -1777777777777777777777`7777777777777 /777`7 / / /77'/ W 4840 Z ~ O 4840 } 2 U 4820 J ® LU Z m m m m m si 14 w m m m m 2 CROSS SECTION Z Q �I II T- I �I II �I II I II II ,6?- II a 3 6 w w w w w w w w w w w w i eLY) L70+00 0+50 1+00 1+50 2+00 2+50 3+00 _I L 4010 SIX,6+ORW SIA.IrRlA! STA:2+J2.00 ST*2.,4566 STA 2�x57 [L'087.0 EL 46m RR r¢.mmaRs EL 469x41' ec Iyee., 4900 M DITCH I` PN_Slit f 4890 E GRADE 3H:1V / SLURRY " ORE 2+6505 4880 RECLAIM SLOPE 0.56:15 WALL �'469856 n— MINE SLOPE------,/ PERMIT 31,51f0 4870 —STA.04412047 0468m smr.4+4x62 BOUNDARY 1'z 4637.19 EL 465229 EL� � W BEDROCK 4860 �� REVISIONS N ?/</-/ // /f / 7`7177777 -77—/777777777Z7777777777777777771711717 No DESCRIPTION DATE to 4850 co 4840 3 4030 -a o M n ry W 1' ''-f9:, n } w m m m w m `12,' W m m m W m m �I II II II II II �i II II II II II III III II w w w w w w w w w w w w w w w w ch 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 3 CROSS SECTION 3 6 L_ i 0 0 l 7N PBRR) 1- 0 Z 0 0 0 Z 4010 F STA: 0+00.00 STA: 1+45.50 STA: 1+76.31 STA: 2+09:77 [/J EL: 4887.52 EL:4887.78 EL: 4687 72 EL: 4887.60 4900 X W _ f 4890 � _EXISTING � STA: 1+98.00 DESIGNED BY: fjL DATE:JUNE,mte DRAWN BY: ,888_ SCALE:AS NOTED 0 GRADE 1'GAS— EL: 4887.51 4880 CHECKED BY: ,Lim AS NOTED 3H:1V O.5H:1V 1/ 0 STA: 0+00.00 RECLAIM SLOPE MINE SLOPE hL: 1+21.05 SLURRY STA: 2+09.77 EL: 4856.30 L 4656.71 WALL EL 4857.24 4870 DWJOBG N 213.001.29 HBEDROCK 4860 OwG NAME:mvExE'ame6mnomonslN6urE.Nr�c LIJLLJ / 1 / / / / /777`"77/17-777 /177771 / />� / 777 4850 m to 4840 SECTION-1 4a3D t7R c .3 03 al �I a N Ti m m m m a w wl ... 3 CROSS SECTION w II II (� II l9 II (�I j 3 6 C 05 7 O w w (61 nee SHEET: 0'3 0+00 0+50 1+00 1+50 2+00 2+50 6 CH A CU CD CD 03 a 4020 Cer'''''''''; 4910 CIVIL RESOURCES, LLC STA:889.90+0753 STA:891.21 9 STA. 1+68:34 STA: 2+13.60 4900 323 5th STREET EL 4689.95EL: 4641.21 EL: 4888.20 EL: 4887.63 P.O.803 680 K51T /" CH EXISTING ----- GRADE 4890 -- --- ----_ FREDERICK,CO 80530 303.833.1416 EAST CELL WWW.CTVILRESOURCES.COM SLURRY 488• 0 WALL OSLO V MINE SLOPE STA: 2+2 STA: 4+01.00 WEST CELL) \ 3H:1V /-EL 4860.97 4870 SLURRY /-EL: 4858 54 RECLAIM SLOPE BEDROCK WALL / 77777777717777777177777177777777777 /1-1-7-1-7-7--1-7- 1--7` f/ -/f/L/-7L/4`t--/ 1- 4860 4850 4840 BURNCO COLORADO,LLC 4030 301 CENTENNIAL DR. Lo: mEE co c.o m m m m m i3.- m m Is, w m m ',g,. m w CROSS SECTION MIWKEN,CO 80543 IUI II II, I� w If I �I II II it �I �I II al II II 5o Is JO 970 587 7277 (� w w w w w w 3 7 L� CONTACT:MARK JOHNSON w w w w. w w w w 1 u1 En-O 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 4710` STA; 0+75.16 EL: 4885.31 STA: 0+23.87 STA: 0+63.98 STA: 1+30.16 STA: 1+60.12 STA:3+05.91 4900 EL: 4885..31 EL: 4885.14 EL: 4885.59 EL: 4885.47 EL: 4886.60 4890 WCR 14.5— ' — ---- "d-Tore SLURRY GRADE 4880 WATER LINE WALL 0.5H:1V j 3H:1V 4870 MINE SLOPE \ RECLAIM SLOPE STA: 0+00.00 STA: 1+80.5 STA: 3+05.94 4860 EL 4643.97 EL: 4844.35 BEDROCK EL: 4644.55 Ce �\ 4850 77777777777777777777x7777777 /7777777'977777 / 4840 w Z 4830 D J 4020 0 IJ-1 II m °I- m m m I w m m 0 :: II n 5 CROSS SECTION Z Q wa a w w w 3 7' s W9 fW CSI ti CSI CSI CSI UI v w w w w w 7mt�N Ce 0 D a 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 —I 4920 I. 4910 LLLLLL STA: 0+00.00 STA: 0+95.38 STA: 90.000 STA: 1+967 STA: 88.50 `EL 488839 EL 4890.00 �EL 4890.00 EL 4689':67 EXISTING /-EL: 4888:50 44900 89° /- DITCH GRADE 1 CL _... 4880 m STA: 0+00.00 STA: 2+07.7 EL 4880.00 SLURRY) RECLAIM STA: 3+06.99 O.SH:1V EL 4856.25STA: 3+75.02 4870 O WALL MINE SLOPE \ SLOPE EL: 4854.60 EL 4853:42 REVISIONS 4860 NO DESCRIPTION DATE o 7777777777777777777777777777777777 7-Y7-/7`7 / / /7 7 0 N BEDROCK 4850 co 4840 3 4030 -C1 m a oi ea } II mLP m m it" m w m v w p ti wl ti �I wl �I It w w �I w ti �I Z w 5 CROSS SECTION 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 3 7 O (8IRLT) 4920 0 4910 Z STA: 0+55.71 STA: 0+75.90 STA: 1+05.27 0 EL 4888.20 EL: 4887.94 EL: 4887.78 4900 U STA: 1 EXISTING C7 EL 4890 4890.005 GRADE Z STA: 0+18.03 4890 I- EL: 4890.05 -- ---- - - 4880 X WCR 14.5 PERMIT W EOA BOUNDARY SLURRY__. 4870 DESIGNED BY:as._ DATE;:unE zaie aL WALL MINE SLOPE 3H:1V 4860 0.5H:1V DRAWN BY: IRE. SCALE:AS NOTED W WATERLINE \ CHECKED 8V: 1C� AS NOTED p \ RECLAIM SLOPE 0 ]00 NO.: 213.001.29 4850 DWG NAME:mVEa.Mnnc coNomocsTNO YEm c I—' 7'//11/111111Z 111 1111777-/7-77-1 / / /77/7`7 7'1 w 4840 LU BEDROCK 4830 co 4020 SECTION-2 M •� AI m m m m m m m m m �I �I a a I [a ti g ,, 6I 6 �I w m w w w w w w w. 5 CROSS SECTION = 3 7 G .y 7 SHEET: C 0+00 0+50 1+00 1+50 2+00 2+50 3+00 1Qf£881 C m 7 N a t0 48 5 513 03 Cr",„.... CIVIL REST.URCES, LLC 323 5th STREET P.O.Box 680 FREDERICK,CO 80530 303.833.1416 WWW.CIVILRESOURCES.COM W.CIVILRESOURCES.COM BURNC0 COLORADO,LLC 301 CENTENNIAL DR. 4`010 MILLIKEN,CO 90543 970 597 7277 STA: 0+40.22 STA: 0+78.28 STA: 1+08.57 STA:3+15.14 CONTACT:MARK JOHNSON `EL- 4887.73 Va, 4886.80 r 4888.43 EL 4886.82 4900 \ 4890 , EXISTING / .. / 3H:1V GRADE 4880 WALL SLURRY J \ RECLAIM SLOPE 4870 0.5M:IV \ STA: 2+45.22 STA:.3+15:14 4860 STA: 0+00.00 MINE SLOPE STA: 1+26:56 4841.21 \\EL 4842.48 EL 4843.71 rEL: 4844.29 11l 4850 711711117717`117111,1 11 /7-7 i / i7-7-t / 7-1 / / 1 /f f/-r / / i- 4840 o BEDROCK—, Q 4830 Q 4520 m' m a mT. m m m m m m Z. I m �. ,CROSS SECTION I--I o II II U 11 it II II II II II II II II W' W V :7 ,y. U o w w w w w w w w w w w w w (mPOIO U D J 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 O > o I-I Q r CL U D J t O a rn O REVISIONS CM NO DESCRIPTION DATE O N 'CO D) w ›- D O Z ch Z O I- El z O U (0 Z F co X th DESIGNED BY:IL_ DATE:curve.no W DRAWN BY: 988_ SCALE:AS NOTED Ill CHECKED BY: _GI_ AS NOTED > JOB NO.: 213.001.29 U DWG NAMECAVE0..EX69tK.COt�NIIIGN5.1N0 E0V Tn I— W W 2 GO CO SECTION-3 1= .CO CO a 0 >+ SHEET: O M N I4 3 w m EXHIBIT G - WATER INFORMATION This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.7 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Locate on the map (Exhibit C) tributary water courses, wells, springs, stock water ponds, reservoirs and ditches The South Platte River, Lupton Bottom Ditch and numerous monitoring well on the site. Please refer to Exhibit C for locations of water courses in close proximity to the site, including wells, springs, stock water ponds, reservoirs and ditches. (b) Identify all known aquifers The Site is underlain by the South Platte alluvial aquifer. (c) Show how water from dewatering operations or runoff from disturbed areas, piled material and operating surfaces will be managed to protect against pollution of either surface or groundwater both during and after the operation. Please refer to the Mining Plan Map in Exhibit C of this application. Mine areas will drain internally. Uncontrolled releases of surface water in disturbed areas will not occur. Stormwater collected in the active mine area will be managed through the dewatering system. (d) Estimate project water requirements including flow rates and annual volumes for the development, mining and reclamation phases of the project. Projected Use And Consumption: Annual evaporative depletions will be the evaporation from up to 5000 feet of 4 -foot wide de -watering trench, located inside of the slurry wall. The total area of exposed water is 0.5 acres. The gross annual evaporation at the Fort Lupton Gravel Mine aggregate mine is 42 inches according to NOAA Technical Report NWS 33, Evaporation Atlas for the Contiguous 48 United States. Monthly evaporative losses are determined using percentages specified by the State Engineer's Office for locations below 6,300 feet. The nearest weather station is in Ft. Lupton/Brighton where the average annual precipitation is 12.99. Effective precipitation, that part of historical precipitation which was consumed by native vegetation on land to be covered by water surface, is conservatively estimated to be 70 percent of the total precipitation. The annual average effective precipitation at the property is estimated to be 9.09 inches. When subtracting the effective precipitation from the gross evaporation yields, the net annual evaporation is 32.13 inches, or 2.68 acre-feet per acre. The annual amount of evaporation from open water surfaces is 1.34 acre-feet. Mining Production & Operations: Burnco Colorado, LLC expects to extract a maximum of 500,000 tons annually of aggregate material from the site. The water retained in the 500,000 tons will be replaced pursuant to the Substitute Water Supply Plan (SWSP). The total annual amount of water retained in the gravel product from mining activities totals 14.71 acre-feet. Burnco Colorado, LLC - Inouye Gravel Mine — MLRB 112 Permit Application Exhibit G -1 In addition, an estimated 1.93 acre-feet of water per year will be used for dust control based (approximately) on 3,500 gallons per day for 20 days per month for 9 months. Annually the total evaporative and operational losses from mining activities (open water surface evaporation, water retained in the aggregate product, dust suppression) totals 17.98 acre-feet of depletion which must be augmented. All depletions were lagged to the South Platte River using the lagging factors approved by the State Engineer pursuant to on -going Substitute Water Supply (SWSP) approvals. (e) Indicate the projected amounts of the water sources to supply project water requirements Replacement Water: The source of replacement water for depletions will be long term lease between Burnco Colorado, LLC and Central Colorado Water Conservancy District, City of Aurora, and/or the City of Fort Lupton. The State Engineer must approve a SWSP every year. These approvals require that the applicant provide a detailed explanation of the mining operations, a quantification of all mining activities and subsequent depletions and all legally available replacement sources. (0 Affirmatively state that the Applicant has acquired or applied for a National Pollutant Discharge Elimination System permit from the Water Quality Control Division The Operator will apply for a National Pollutant Discharge Elimination System (NPDES) permit from the Water Quality Control Division of the Colorado Department of Public Health and Environment prior to discharging water from the site. Burnco Colorado, LLC - Inouye Gravel Mine — MLRB 112 Permit Application Exhibit G - 2 EXHIBIT H - WILDLIFE INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.8 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (1) The Operator/Applicant shall include in this Exhibit, a description of the game and non game resources on and in the vicinity of the application area, including; a) A description of the significant wildlife resources on the affected land; This information is provided in the attached Exhibit H Wildlife Information, prepared by Pinyon Environmental Engineering, located at 3222 S Vance St #200, Lakewood, CO 80227 based on a site investigation conducted on November 16, 2017. b) Seasonal use of the area; This information is provided in the attached Exhibit H Wildlife Information, prepared by Pinyon Environmental Engineering, located at 3222 S Vance St #200, Lakewood, CO 80227 based on a site investigation conducted on November 16, 2017. c) Threatened or endangered species; The attached Pinyon Environmental Engineering Exhibit H Wildlife Information included an evaluation for threatened and endangered species. Their conclusions are documented in the attached report. d) General effect during and after the proposed operation on the existing wildlife of the area; This information is provided in the attached Exhibit H Wildlife Information, prepared by Pinyon Environmental Engineering, located at 3222 S Vance St #200, Lakewood, CO 80227 based on a site investigation conducted on November 16, 2017. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit H -1 Corporate Headquarters 4,,,,:, .ff A 9100 West Jewell Avenue, Suite 200 Lakewood , CO 80232 TEL 303 980 5200 FAX 308 980 0039 www. pinyen-env.com Environmental, Inc. Biological Resources Technical Memorandum Date : November 16, 2017 To: Andy Rodriguez, Civil Resources, LLC From : Brandee Anderson , Biologist — Pinyon Environmental, Inc. Subject: Informal Wetland Delineation and Biological Resources Report, Weld County Gravel Pit Project I ntr .: ducti . n Civil Resources, LLC contracted Pinyon Environmental, Inc. (Pinyon) to conduct an informal wetland delineation (using wetland vegetation as an indicator) and a biological resources survey for the Weld County Gravel Pit Project (project) . The project is a proposed gravel mine located one-mile northwest of Fort Lupton off County Road 14 '/2 (CR 14 '/2) in Weld County, Colorado (Figure 1 ) . The study area consists of approximately 145 acres of land currently used for pastureland (livestock grazing), agriculture production (alfalfa) , and oil and gas extraction . The purpose of this Biological Resources Technical Memorandum (memo) is to identify existing wetland area conditions and biological resources within the study area. Methods Pinyon biologist Brandee Anderson visited the site on October 12, 2017, to informally delineate wetlands and to assess the study area for biological resources. Ms. Anderson surveyed the study area for protected species and their habitats, including threatened and endangered species; raptors and other migratory birds; Waters of the U . S. (VVUS), including wetland areas (using wetland vegetation only as an indicator for the presence of hydric soils and wetland hydrology); and other biological resources. During the site visit, a Trimble Geo XH - 6000 global positioning system (GPS) unit was used to record relevant information . Notes and photographs were taken to record field conditions. A photographic log is included in the Attachments. Results General Habitat The study area is located south of Weld CR 14 '/2 and west of the South Platte River, approximately one mile west of Fort Lupton, Colorado. The topography of the study area is relatively flat, with an approximate elevation of 4, 880 feet above mean sea level (msl) . The majority of the study area is dominated by upland species and contains irrigational features throughout such as the Lupton Bottom Ditch, other smaller unnamed ditches, and numerous pipe culverts. The eastern portion of the study area is dominated by riparian vegetation and characterized as riverine because of an oxbow of the South Platte River that flows northward through this portion of the study area. The dominant land type adjacent to the study area is cropland and pastureland associated with rural agricultural properties. Given the presence of the irrigational features, a residential home and agricultural buildings, and roads leading to oil and gas pads throughout the study area, it is likely that the natural vegetation , soils, and hydrology have been altered by filling, grading, and improvement activities in the past. • 1 = Pin 4 Err 'r rmtmet .Irrr In the upland portion of the study area alfalfa (Medicago sativa) and smooth brome (Bromus inermis) were dominant in agricultural areas, while intermediate wheatgrass (Thinopyrum intermedium), downy brome (Bromus tectorum), and kochia (Bassin scoparia) were dominant in pasturelands. Lamb's quarters (Chenopodium album) was common throughout all upland areas regardless of land use. Vegetation cover in riparian areas was dominated by an understory of smooth brome, leafy spurge (Euphorbia esula), and common teasel (Dipsacus fuaonum) . Shrubby species such as poison ivy (Toxicodendron rydbergii), snowberry (Symphoricarpus albus), and coyote willow (Salix exigua) and trees such as crack willow (Salix fragilis), Siberian elm (Ulmus pumi/a) , and Eastern cottonwood (Populus deltoidies) were also present. Wetland areas were identified throughout the study area and are discussed further below. Federally Listed Species Based on a review of the United Stated Fish and Wildlife Service ( USFWS) online Information , Planning and Conservation (IPaC) System, there are nine federally listed species with the potential to occur in, or be impacted by, a project located in Weld County (USFWS, 20I7) . Of the nine species, five species are included because they occur downstream of the study area along the Platte and/or Missouri Rivers and could be impacted by projects that would result in water depletions to their tributaries. These five species include the Interior Least Tern (Sternula antillarum), pallid sturgeon (Scaphirhynchus albus), Piping Plover (Charadrius melodus), Whooping Crane (Grus americana), and Western prairie fringed orchid (Platanthera praeclara) . Since this project is avoiding all mapped wetland and riparian areas it is assumed that the project activities will not cause depletions to the South Platte River and therefore would have nit effect on these species, which are not discussed further in this report. The four-remaining species are the Colorado butterfly plant (Oenothera coloradensis) (CBP), Mexican Spotted Owl (Strix occidentalis lucida), Preble' s meadow jumping mouse (Zapus hudsonius preblei) (PMJM) , and Ute ladies' - tresses orchid (Spiranthes diluvialis) (ULTO) . The habitat and distribution of each of the remaining four species was reviewed, and the potential for occurrence for each species was assigned based on the conditions at the study area (Table I ) . Tablle h Federally Listed Thr - atened and Endangered Spades and Their Potential to Occur in the Study Area Potential Ctmmon Latin Federal ®� Effcts Habitat Occurrence in o Slam Name Status Fetermonatoon Study Area Birds None. Potential Mature, old-growth habitat was not forests that possess Mexican Strix observed in the Spotted occidentalis FT complex structural study area and No effect p components; canyons, Owl lucida riparian and conifer the study area is p outside of known communities. range. Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November I6, 20I7 2 . p may.. _ _. .. ._ -.,.. � - Pinyon _ ,$_ ,..„ ,. Ewa:std. ht • Common Latin Federall ll o PoNtentie4 for f ect� Habitat Occurrence on Name Name Status Leterronatoon Study Art (.., Mammals Occurs along Front Range of Colorado Low. Marginal Preble's along permanent or habitat was Zapus observed in the Meadow hudsonius FT intermittent streams in study area. The No effect (see below) jumping preblei areas of with species is known Mouse herbaceous cover and p to occur along adequate cover of shrubs the South Platte. and trees. Plants Stream channel sites that are periodically disturbed, sub-irrigated alluvial soils along Low. Suitable streams; open meadows on floodplains including habitat was observed in the riparian areas. Colonies Colorado are often found in low study area. Butterfly Oenothera Known from FT depressions or along N,,, effect (see below) Plant coloradensis bends in wide, active, Weld County but considered meandering stream historical and channels a short distance upslope of the possibly actual channel . The plant extirpated. requires early- to mid- succession riparian habitat. Low. Suitable habitat was Sub-irrigated alluvial observed in the Ute study area. Ladies'- Spiranthes soils along streams; Poorly Tresses diluvialis FT open meadows on documented \ o effect (see below) Orchid floodplains including historical riparian areas. occurrence known from Weld County. y Notes: FT = federally listed as threatened Based on a review of in formation from NatureServe Explorer online (NatureServe, 2017), Colorado Natural Heritage Program (CNHP, 1 997 -), and Colorado Parks and Wildlife (CPW) Species Activity Mapping (CPW, 2016). Preble' s Meadow Jumping Mouse The PMJM is known to occur along the South Platte River; however, while the study area is within the PMu11M ' s overall range, the study area does not contain critical habitat nor known occupied range (CP' `,)' , 20 16) . Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November I6, 20I 7 3 7 en gib k fn<swar atta Ira. Numerous sites within a I O-mile radius of the study area were included in trapping surveys in the late 1990s through the mid-2000s and no positive captures occurred (CPW, 2016) . Two of these sites are located within a mile north and southeast of the study area (CPW, 2016) . The nearest positive captures occurred north of the study area near the towns of Johnston and Milliken, over IS miles away (CPW, 2016) . PI"IJM prefer heavily vegetated, shrub dominated riparian habitats with upland habitats immediately adjacent (C \ HP, 1997+) . The understory of the riparian habitat in the study area was primarily dominated by smooth brome and leafy spurge, interspersed with some shrubs such as snowberry and coyote willow. The riparian habitat in the study area is marginal for PMJM and no known occurrences are recorded near the study area. With the assumption of avoidance of mapped wetland and riparian areas, the proposed project would have no eect on the PMJM . Colorado Butterfly Plant The flip was once known from Weld County, but this population is considered historical and possibly extirpated (CNHP, 1997+) . The habitat of the CBP includes periodically disturbed channels, sub- irrigated alluvial soils, and open meadows and riparian areas on floodplains (CNHP, 0997+) . Plants are often found in low depressions or along bends in wide, flowing meandering stream channels a short distance upslope of the actual channel (CNHP, 1997+) . The wetland and riparian vegetation and soils observed along the South Platte River within the study area provides suitable habitat for CBP. -Although suitable habitat for CBP is present in the study area, with the assumption of avoidance of mapped wetland and riparian areas, the proposed project would have no effect on the CBP. Ute Ladies'-_Tresses Orchid The ULTO was once recorded in Weld County, but this population is a poorly documented historical occurrence (CNHP, 1997+) . ULTO habitat includes seepage areas in cottonwoods, sub- irrigated alluvial soils along streams, and open meadows on floodplains, including riparian areas (CNHP, 1997+) . The wetland and riparian habitat and soils observed along the South Platte River within the study area provides suitable habitat for ULTO . Although suitable habitat for ULTO is present in the study area, with the assumption of avoidance of mapped wetland and riparian areas, the proposed project would have no effect on the ULTO. State Listed Species CPW lists 74 species of amphibians, birds, fish, mammals, reptiles, and mollusks as endangered , threatened or of special concern within the state of Colorado (CPW, 2014) . The majority of these species are not expected to occur in the study area because the study area is outside of their range or appropriate habitat is not present. According to, the CNHP Tracking ist, aside from the federally listed species already discussed above, one state- listed species was identified with the potential to occur in the study area, the Northern leopard frog (Lithobates pipiens) (CNHP, 201 7) . Northern leopard frogs live in the vicinity of springs, slow streams, marshes, bogs, ponds, canals, flood plains, reservoirs, and lakes and are usually in or near permanent water with rooted aquatic vegetation (COW, 2017) . In summer, they commonly inhabit wet meadows and fields. The wetland and riparian habitat observed along the South Platte River within the study area provides suitable habitat for the Northern leopard frog. With the assumption of avoidance of wetland and riparian areas, the project is not likely to have impacts on this state listed species. No further coordination or mitigation is needed for this species. Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November 16, 2017 4 Y AP IMP S Pth. s,;) n ass, __ - a.. - Migratory Birds No raptor nests were observed in the study area or within a '/2-mile radius of the study area; however, the call of a Red -tailed Hawk (Buteo jamaicensis) was heard in the study area at the time of the survey and the study area contains Bald Eagle (Haliaeetus leucocephalus) summer and winter foraging areas, winter range habitat, and mapped winter concentration zone (CPW, 2016) . Two active nests and one inactive nest, as well as two roost sites, are mapped within a five-mile radius of the study area (CPW, 2016) . There are numerous suitable trees around the study area that may be used as nesting or roosting sites and there is a potential for raptors to occur near the study area during migration, nesting, and over the winter. The Migratory Bird Treaty Act (MBTA) and the Bald and Gold Eagle Protection Act (BGEPA) are both administered by the USFWS and protect nesting migratory birds and Bald and Gold Eagles respectively. If construction activities were to occur during the nesting season (generally April I — August 3 I ) Pinyon recommends conducting pre-construction nest surveys. Depending on the outcome of the surveys coordination with the USFWS or CPW may be required . Due to the potential for MBTA constraints, it is recommended that the developer follow MBTA nest survey guidelines as outlined by CPW during the nesting season (CPW, 2008) (included as an Attachment) . General Wildlife No prairie dogs (Cynomys ludovicianus) or signs of other wildlife species not previously mentioned were noted in the study area. Waters of the U. S., Including Wetland Areas Two WUS were identified in the study area, an oxbow of the South Platte River that flows northward and the Lupton Bottom Ditch, an irrigation ditch that diverts water from Big Dry Creek, a tributary of the South Platte River, and also flows northward (CDSS, 2015) (Figure 2; Table 2) . The South Platte River and Lupton Bottom Ditch, as well as Big Dry Creek, are all solid blue lines on the USGS Fort Lupton 7. 5 -minute quadrangle, indicating they may all be considered jurisdictional by the U .S. Army Corps of Engineers ( USACE) (USGS, 2013) . The South Platte River and the eastern off-shoot of the Lupton Bottom Ditch contained surface water at the time of the survey, and an Ordinary High -Water Mark (OHWM) and wetland areas were mapped (Figure 2) . The western off-shoot of the Lupton Bottom Ditch did not contain surface water at the time of the survey so the OHWM was not mapped. An additional off-shoot of the Lupton Bottom Ditch is mapped in the study area on the USGS Fort Lupton 7.5 -minute quadrangle; however, there is no evidence of this irrigation ditch from aerial photography and the absence of this off-shoot of the Lupton Bottom Ditch was confirmed during the field survey (USGS, 2013) . Since this project plans to avoid all riparian and wetland areas it is assumed that the project activities will not cause water depletions to the South Platte River and/or the Lupton Bottom Ditch. If construction activities are anticipated to result in water depletions a Section 404 permit from the USACE is required . Seven wetland areas, identified by using only wetland vegetation as an indicator for the presence of hydric soils and wetland hydrology, were observed within the study area (Figure 2; Table 2) . Wetland species are assigned indicator ratings by the USACE based on percentages representing the frequency that a species occurs in a wetland (Lichvar et al . 2012) . Wetland species are ranked : obligate (OBL) , occur almost always under natural conditions in wetlands (99%) ; facultative wetland (FACW), usually occur in wetlands but occasionally found in non -wetlands (67-99%) ; facultative (FAC) , equally likely to occur in wetlands and non-wetlands (34= 66%); facultative uplands (FACU ), usually occur in non -wetlands but occasionally found in wetlands ( I -33%); and upland (UPL), occur in wetlands in another region, but occur almost always under natural conditions in non - wetlands in the region specified ( I %) (Lichvar et al . , 2012; Lichvar at al ., 2016) . All wetland areas were palustrine emergent (PEM) wetlands or a combination of PEM and palustrine scrub-shrub (PSS), which means that they Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November 16, 2017 5 4 f Pill $41-1-nalta.. - are dominated by herbaceous vegetation or they are composed of at least 30 percent of shrubs, respectively (Cowardin, et al ., 1979) . Wetland - I Wetland - I (WL- I ) consists of a 0. 39-acre PEM/PSS fringe wetland located along the South Platte River, often where the cutbank had slumped (Figure 2; Photo I in Photolog) . Fringe wetlands were present on both the west and east side of the river but were not mapped on the eastern side due to inaccessibility. Riparian habitat on the east side of the river was mapped based on aerial photography and potential wetlands may be present in this area. WL- I was delineated based on numerous wetland species: graminoids such as reed canary grass (Phalaris arundinacea; FACW), prairie cord grass (Spartina pectinate; FACW) , rabbit's-foot grass (Polypogon monspeliensis; FACW), barnyard grass (Echinochloa crus-galli; FAC) ; shrubs such as coyote willow (FACW) and crack willow (FAC) ; and trees such as Eastern cottonwood (Po/xi/us deltoides; FAC) and Siberian elm (U PL) . Wetland -2 Wetland -2 (WL-2) is a small PEM wetland (0.03 -acre) located along a two-track road that boarders the riparian area (Figure 2; Photo 2 in Photolog) . WL-2 was delineated based on the presence of prairie cord grass. Wetland - 3 Wetland - 3 (WL-3) is a PEM/PSS wetland (0. 04-acre) located in six man -made depressions found in the riparian area (Figure 2; Photo 3 in Photolog) . WL- 3 was delineated based on the presence of prairie cord grass, cattail (Typha lati folia; OBL), and coyote willow. Wetland -4 Wetland -4 (WL-4) is a PEM wetland (0.02-acre) located in a low spot where water collects (Figure 2; Photo 4 in Photolog) . WL-4 was delineated based on the presence of prairie cord grass and smartweed (Persicaria pensylvanica; FACW). Wetland -5 Wetland -5 (WL-5) consists of a 0. 2I -acre PEM fringe wetland located along the Lupton Bottom Ditch (Figure 2; Photo 6 in Photolog) . WL-5 was delineated based on the presence of prairie cord grass, barnyard grass, and smartweed . Wetland -6 Wetland -6 (WL- 6) consists of a 3 . 30-acre PEM fringe wetland located along the Lupton Bottom Ditch (Figure 2; Photo 7 in Photolog). WL-6 was delineated based on the presence of Baltic rush (funcus balticus; FACW), bulrush (Schoenoplectus sp. ; OBL), prairie cord grass, and cattail. Wetland -7 Wetland -7 (VVL-7) is a PEM wetland (0. 64-acre) located in a roadside ditch ( Figure 2; Photo 9 in Photolog) . WL-7 was delineated based on the presence of prairie cord grass. Because vegetation was used as the indicator of wetlands this is likely an overestimation of actual wetlands. Should a more in -depth assessment of wetlands be necessary, Pinyon can provide this service. Additional wetlands were identified south of the fence line in the southeastern portion of the study area and west of the Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November I6, 20I 7 6 , , ,, , , , „..., , i, tri it al._ . 41_ _ _a_ lib- - . - - .. . - . . - , fence line in the western portion of the study area (Photos 5 and 8 in Photolog) . The boundary of the study area was assumed to be the fence line so these wetlands were not mapped and are excluded from Table 2. Both of these wetlands could be estimated using aerial photography. Table 2 Summary of WUS and Wetlands in the Study Area Latitude and Cowardian Longitude ' Classification2 Acres Open Waters 40.092863 °, South Platte RiverRiverine 3 .40 - 104.820961 ° 40 Lupton Bottom Ditch .092650° ,° Riverine 0.21 - 104.826395 Wetlands (WL) WL- I 40.092779 °,° PEM/PSS 0.39 - 104.821426 WL-2 40.093351 °, PEM 0.03 - 104.822531 ° WL-3 40.091961 °,° PEM/PSS 0.04 - 104.822050 WL-4 40.091142°,° PEM 0.02 - 104.822187 WL-5 40.092749 °,° PEM 0.21 - 104.826297 WL-6 40.09 1338°,° PEM 3 .30 - 104.831044° WL-7 40.094472° ,° PEM 0.64 - 104.829736 'Approximate center point of wetland in World Geodetic System of / 984 (WGS84) Decimal Degrees 2 Cowardin, et al., 1979, PEM =Palustrine Emergent With the assumption of avoidance of open waters, wetlands, and riparian areas, the project is not likely to have impacts on these resources. Noxious Weeds Numerous noxious weeds were identified throughout the study area and are described in Table 4. The Colorado Department of Agriculture (CDA) Noxious Weed Act of 2003 (CRS 35 -5 - 101 ; CRS 35 -5 .5 - 101 ; Executive Order (EO) D-006-99), defines and prioritizes management objectives for state-designated noxious weeds and land owners are required to have a plan to manage noxious weeds. The Colorado Department of Agriculture has management goals for noxious weeds located in different areas and some of the weeds noted in the study area are specified for eradication in Weld County. Because of the species and number of species present in the study area, Pinyon recommends an integrated noxious weed management plan to manage weeds before and during project activities. Pinyon can provide this service. Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November I6, 20I7 7 Pinyn n at,ntti,Ic► _ _ Table 4 Noxious Weeds Identified in the Study Areas Common Name Scientific Name State Last Status ' Density and L :• cation in Study Area2 Canada Thistle Cirsium arvense B Low densities throughout study area. C Scattered to low densities throughout study Common Mullein Verbascum thapsus area. Common Teasel Dipsacus fullonum B High densities throughout riparian area. Downy Brome Bromus tectorum C Medium densities throughout study area. Leafy Spurge Euphorbia esula B High densities throughout riparian area. g Scattered to low densities nearby wetland Musk Thistle Carduus nutans areas. Perennial Lepidium lati folium B Low densities throughout riparian area. Pepperweed Poison Hemlock Conium maculatum C Low densities throughout riparian area. Russian Olive Elaeagnus B Scattered in western portion of study area angustifolia near WL-6. Slat Cedar Tamarix chinensis B Scattered in southern portion of riparian area. List B - Subject to eradication, containment, or suppression in designated portions of the state. List C - Control is recommended but not required by the state; although, local government may require management. Conclusions and Recommendations Pinyon understands that the purpose of this informal wetland delineation and assessment of biological resources was to identify and locate wetland areas and biological resources within the study area in order to avoid impacts to these areas. In order to avoid impacts that would require additional surveys, consultation, and/or permitting, all ground disturbing activities must be located outside of mapped wetland and riparian areas. Pinyon recommends the following: • If construction activities are going to occur in mapped wetland and riparian areas, Pinyon recommends that prior to ground disturbance additional surveys are conducted for threatened and endangered species. Depending on the outcome of the surveys, consultation with the USFWS may be required . * If construction activities occur during the nesting season (generally April I — August 31 ) , Pinyon recommends conducting pre-construction nest surveys. Depending on the outcome of the surveys, coordination with the USFWS or CPW may be required . Due to the potential for MBTA constraints, Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November 16, 2017 8 Pin n Emu.. aim it is recommended that the developer follow MBTA nest survey guidelines as outlined by CPW during the nesting season (CPW, 2008) (see included Attachment) . • if construction activities occur in mapped wetland and riparian areas, Pinyon recommends that formal wetland delineations are conducted as described in the USACE Wetland Delineation Manual and a Section 404 permit is obtained before any ground disturbance occurs (Environmental Laboratory, 987). The informal wetland delineation described in this memo is not a formal wetland delineation. As such, the data and results presented within this memo are for planning and avoidance purposes only and are not suitable for use in permitting documents. • Land owners are required to have a plan to manage noxious weeds and, because of the noxious weed species and the number of noxious weed species present in the study area, Pinyon recommends that an integrated noxious weed management plan is generated for this site. The plan would help with managing weeds before and during project activities. Limitations This memo was prepared by Pinyon, at the request of and for the sole benefit of Civil Resources, LLC., or any entity controlling, controlled by, or under common control with Civil Resources, LLC. The conclusions and recommendations offered in this report are based on the data obtained from a limited number of samples, within a prescribed study area as described in the text. Soil, hydrologic, vegetation, biological and ecological conditions typically vary even over short distances, by season, by elevation, and by meteorological conditions. Thus, the nature and extent of variations outside this biological investigation may not become evident except through further investigation . It is possible that ecological conditions may change from those observed, particularly over time. This memo is the exclusive and present use of Civil Resources, LLC. , or any entity controlling, controlled by, or under common control with Martin Marietta. Ecological analysis has been performed for specific conditions during the course of this investigation, as described in the text. This study makes no attempt to assess ecological/biological conditions not searched for as described in the text. Conclusions stated herein refer only to the specific site at the time of the investigation. Attachments: Figure I . Site Location Figure 2 . Biological Resources Photographic Log CPW' s Recommended Buffer Zones and Seasonal Restrictions for Colorado Raptors Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November 16, 2017 9 1 r rt . . • r References CDA, 2017. Noxious weed species, Colorado Department of Agriculture. Latest update: 2017. Available at: https://wvwv.colorado.gov/pacific/agconservation/noxious-weed -species. Accessed on October 26, 2017. CDSS, 2015 . " Division I Canals — Irrigation canals and ditches shapefile download , " Colorado' s Decision Support Systems, Division I — South Platte GIS Data Library. Latest update: 2/24/2015 . Available at: http://cdss.state.co. us/GIS/ Pages/DivisionlSouthPlatte.aspx. Assessed on October 26, 2017. CNHP, 1997+. Colorado Rare Plant Guide. Available at: www. cnhp.colostate. edu . Latest update: June 30, 2014. CNHP, 2017. Conservation Status Handbook (Tracking Lists) . Latest update: February 2017. Available at: http://www.cnhp.colostate. edu/download/list.asp. Accessed on October 18, 2017. Cowardin, L. M . , V. Carter V., F. C. Golet, E.T. LaRoe. 1979. Classification of Wetlands and Deepwater Habitats of the United States. U . S. Fish and Wildlife Service Report No. FWS/OBS/-79/3 I .Washington, D.C. CPW, 2008. " Recommended Buffer Zones and Seasonal Restrictions for Colorado Raptors, " Colorado Parks and Wildlife, Revised February 2008. CPW, 2014. "Threatened & Endangered List, " Colorado Parks and Wildlife. Available at: http://cpw.state.co. us/learn/Pages/SOC-Threatened EndangeredList.aspx. Accessed on October 18, 2017. CPW, 2016. " Species Activity Data Shapefile Download , " Colorado Parks and Wildlife, last modified September 14, 2016. Available at: http://www.arcgis.com/home/search . html ?q=Colorado%20Parks%20and%20Wildlife&t=groups. Accessed on October 18, 2017. CPW, 2017. " Species Profiles, " Colorado Parks and Wildlife. Available at: http://cpw. state. co. us/learn/Pages/SpeciesProfiles.aspx. Accessed on October 18, 2017. Environmental Laboratory, 1987. " Corps of Engineers Wetlands Delineation Manual, " Technical Report Y-8 I - , U .S. Army Engineer Waterways Experiment Station, Vicksburg, MS. Lichvar, R.W., D. L. Banks, W. N . Kirchner, and N . C. Melvin . 2016. The National Wetland Plant List: 2016 wetland ratings. Phytoneuron 2016-30: 1 - 17. Published 28 April 2016. ISSN 2153 733X. Lichvar, R.W., N .C . Melvin, M . L. Butterwick, and W. N . Kirchner. 2012. The National Wetland Plant List Indicator Rating. USACE. Published July 2012. NatureServe, 2017. " NatureServe Explorer: An online encyclopedia of life [web application] . Version 7. 1 , " NatureServe, Arlington, Virginia. Available http://www. natureserve.org/explorer. Accessed on February 2017. USFWS, 2017. " IPaC- Information, Planning and Conservation System, " United States Fish and Wildlife Service. [Online] . Available at: http://ecos.fws.gov/ipac/. Accessed October I I , 2017. USGS, 2013 . " 7. 5 - Minute Topographic Map, Fort Lupton, Colorado," United States Geological Survey, 2013 . Informal Wetland Delineation and Biological Resources Report Weld County Gravel Pit Project November I6, 2017 10 t ' , Key Map P eel ey 4943e .'~_�_ I 81 I Lc • oft ," 85a. t f,. i Ell I Boulder • a� r - County Road 16 N .4 ei a s . r, ,.., Legend ,.. „I'll rt IN e; C: 2 Study Area: ' CI 3 85 8 F Little Dry Creek Courtly Road 14 1 !? 1 14th St 1 ;Ir �sW - g d c I Slade Dr la -,c. Q1/4 • C Z 3 La me rn Dr E `` w, ` 'rapper ° a Ptattek ? v 5 to c c h St 11th st f3 ' y :Mine Dr 4 (% d 41.S S pot <n leth St ' t t r "' C < �� a .p 9► ' c Z 9th St 8th St a C 1 fl kc a 7th St a Vine St . 85 I 46111 St st 5th St i Q a c Cowrie,� Dr rres E . , - Golf Col . 2 ;� s 2 = oe 4th St %Wi n 3rd SI . Pearson Pa* 2nd St I s2`-Highway-52 i 52 Highway-.,1+ 2m.....� isr5 --� S tn r+ ° st Fort Lupton S Trad &kip .' De tier St - q c Vane c I 74 Q, `' '" Srtvemoo Li, a 1 inch = 2 , 000 feet , 0 yw ; IA CraneSti rs s, 0; d2 t=. I irt ke ;lrwIds St a, oortraa Or 0 1 , 000 2, 000 ;been Feet ubiet knit 0 ,,,, .... �� Pmyon r� i�t • ,... �,►tt hO Fit Kahal St ,"i-wrrty Road 12 ,ti Ica ttrl ! Hilade PROJECT LOCATION a 'aertx►worr Service Layer Credits: Sources: Esri, HERE, DeLorme, Interma increment P Corp.. EBCO, USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, Ordnance Survey, Esri Japan , METI, Esri China (Hong Kong), swisstopo, Ma m India. © OpenStreetMap contributors, and the GIS User CommunityWeld County Gravel Pit Y P� P�• Y J P P P Y P P Sources: Esri, HERE. DeLorme, USGS, Intermap, INCREMENT P, NRCan, Esri Japan. METI, Esri China (Hong Kong) , Esri Korea, Esri (Thailand), Mapmylndia, NGCC, © OpenStreetMap contributors, and the GIS User Community Fort Lupton, Colorado Site Location : Sections 1 , 3 I and 36, Township 2N , Ranges 66 and 67, 6th Principal Meridian Drawn By: JAF Figure: I Pinyon Project Number: I / 17-885-01 .3300/ 17-885-01 .3300 Reviewed By: BCA Date : I I / 10/20 17 Dnr,imrnr Path 7.\PROIECTS120 1 711 1 788501 Weld County Gravel Prt1Fleures\ArcMaD\MXDs\BIO0I Project Location.mxd ' :s _ Key Map e # X, t • y,r!!„„ r i y ' • h W L - �► , \,.. Lupton Bottom Ditch µ n 4. l • r „ 1 a w' u ..w_n isitad 14 1/ vu //F . South Platte River [Jai: *41P k r 4 W O r qr Cr +f A. I of L G - W411 SO r o Lon ' • x.1' ,I y • A• A' . . ' fir' i3 Y � �- li- M�nsra! Rd ' 1st St - -- ' : r _ Fort • z n* i. ID a. . . , ...... •-••. ,,,. .. .„,_ : :....,. . . „. . . . Li � tci , ra S. . —_ - ..�• { sy • 0k :,fir Legend . f .,. r WL-S i i- '- Study Area , . . Iffli t :. µ . ; ,. Wetlands sr • .. . . Open Waters lir e tZilsf3 _,. . ! Riparian • . r , P i — . I - r• }r by a MO L• upton Bottom Ditch • ,� _ �' 4. �`' ' 4,4: # > .� �_ w. 'S.. y� ({ ..'. ca +, w ,J $}Vt. bra i it 1 f CMS 4 {r.Y. ` 4 111 ^ y /. a. f tR" , 4.' F t i c � _ t .• If •�1• MY M xf Vir =,i,r y ' `` . f4 Ib•y" ..Y .^�). JOR'. y.+r"1l.? .r... rr wb.. < • -TAIL 4!VP4 .. Y - • 0 1 inch = 450 feet t - • 0 225 450 � ,r;� .. , Feet ill( . ... . ...-: -r-itck - . tr. tkiim i. - . r t . trim ? Pll3oI1 " , - , .%. .0 • ,r ' '1 •_ �. -. - - BIOLOGICAL RESOURCES •r . 9F:. to hh s' 4 Weld Count Gravel Pit iJ g set vice Layer Credits: Sources: Esri. HERE , DeLorme. intermap• increment P Corp„ GEBCO. USGS. FAO, NPS, NRCAN • GeoBase IGN, Kadaster NL. Or `- urvey. Esri Japan, METI, Esri Chitja ;Hong Kong), swisstopo• Mapmylndia, O OpenStr eetl"lap c . om „. County CG 2017 DigitalGlobe ©CNES (2017) Distribution Airbus DS t. 2017 HERE C% 2017 Microsoft Corporation Fort Lupton, Colorado F Site Location : Sections I , 3 1 and 36 , Township 2N , Ranges 66 and 67 , 6th Principal Meridian Drawn By: JAF Figure: 2 Pinyon Project Number: 1 / 17-885 -01 . 3300 Reviewed By: BCA Date : I I / 16/2017 f..r,,..,n,.r P,f6 7hPRCIIFC'TC170 17\ I 17RASn I Wald rnnnry Grwal Pit\F,onrnc\ArrM]n1MYflc1RIC)07 Rio Resources.mxd 111 n a 9 < 43 �- 4 tg* ::'' w � i ... ' rye • y{. • like: i 1 11, r 1 i' '• ♦ . Net......... \1/4‘.8,. ir •' , '. ., ./' . . ..• • Photo I . View of WL- I along the , . . , - - ,«"' oxbow bend of faY »: ! the South Platte . • River facingt /). . . . li �t south. Dominated by ».' ysi .g�ptiry r reed y �.• . � K �, s _ t 4 : canary _ r _ . , . ..; mil' •:. 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View of ' - • 0 0. + ei S• ,fr ��` y� ([ ter 1 . ;�. id northern most = fi sue` : ` '` ,ti;, ; . ate}♦ '�-�._ +Z�.� ST;+ �.•y'_.� .,s• ,. � `. I' ; �4x pit of W L-3 • �, ,.. r_ _ * � ,t, • facing northwest. _ � � •• - - ��, . III et , 'k' `'~ + I .� 4 c x +� bc sr tQ : :mot-' 1 rY�a ,R. ..pr,• a,as,^.a Dominated by �. •� ' l •' �JC t stYI `' ▪ 4 4 r • . 4 t' S • cattail (OBL) and ~- •'.tiobl1/4 d' ` •' r .A 1i ��rtp' *. a , k • C;.katt ^: TJtY • prairie cord 'be r• ♦. � l 1,11r.1.421 . al: yy , A �' 't•grass . ' _ ) 4LM S ♦ ? r 1.a{. '`-( .:.4 y4.." A.4+ 'f. `. t is' r .. \' ..-,%.„... ,... Asa r'.� .."/ ^.,•r ...--2-4.-0.._ 3.x .!- • Ary , t.. t ° b ] k ei leirtic .,. ,•./ 9 e Ff rJ ♦. ! ,_F. .Ca'o'...k +z ' d' '"`'"" 3 p aa. y tP. w r I Cy_r / E"X i- a! ' piis e ,{ '�^=, tit•h .'' ,A• ."* " •-?.:'K."9 '4+,.yr.e d t 7!!a. FyaF1.1 it p t",..,, , " f. ' y. •R'.' ' L,' •Ni°n .,y�', .�E'' .rarRr'.+�' ' �. .'a*5 x F t.' .r 1.4 c4 . 'i .t 'FIT / e y y��w.'.' r" . 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L.:t'H t 4,.‘ ( J' 4, 7 ar �'ZRta✓_4 S 4.46-� • 4 'jytyy • . ' l G.� rec t , r Cdr •. ..rti h,•�•.. ��'9'.'I t me. 4,�y _ a r' +• t ff " � etatit a .1 (ry ' 1 ' ! • :4x l , r r 4- ', V-. "':,1."' : !}1`7tl, "sil ‘44•, a� Y r ' • , . . 9k •?'_i. " -. • .I......•w`..,a ,..rr° J • .. • + t - ` ,. ( `„.t� - .i, • ,t`LM',fY't yL} 9xr: • fir h a1. �. • �.: A w .,-._ _ _laic� • . 'A � •. f r 1 -`�aFy �" -�• is- ;TT*)k A �. 1. - 'stet • '.,M - , ' . Y ! I e � •'l`• rte°, ��•Photo 4. View of «' 'x M , :� a WL-4 facing' ,: � : z � ' ' ' , . south . riii°11H Ak .. -tom aM ° rti `�.-r t•M� • '1 •1 ,• ;a . 9 r . '-0, Alit' . ;' L ek _ Dominated byL. • prairie cord 4< x! 'm 1. - '. e:. • ,,<-4- '.i A y ': r/ 14 �fi , ,r:. Mq ✓ T°re,, ; 4Y grass and C. ' _ � � . �M ,` '�, Y,�:'» ,.."4',(T. .:b � f �"�� , F. . _ ... , . a -+v r f'' - r t , b • ,,. r 8-fb. t W -. . ° ` r f . jf ` er ` ,ar x ,' smartweed � -- - - � .� '_" «Ci,� �'� �•'a� �; .• t .� y,� �� . / a r y a. S S. \ / • - . • - r= r r a r' LM . , ••_ r - .. L Y .t aS.f -,eti .r, . ` ..c ♦ . 11 - 4 to N I.V • rl s M+ - ^). f ' w. . 'J • �i. ;''st �" r Y :..* 4w • - .'. , 1, - _ a w I _- y w . f./ ram, 0 • . ry ✓ Ot' • ty. ... -a: r . ' C- .n 1 fi. N i .v'+, , A y'1 R a w"'St Y� .+ • v t ♦.. y V _ . . •'+ a,‘ .. ro•C. t M,r _ 'iY 1J+ � •I_ ', , • - .. . ..° 14 '... • 4 i tixtY. \ ." OE Weld County Gravel Pit Project Photographic Log Photographs taken September 12, 2017 th M0M i l prnyir, n : ,,,,,,„ .41,, ...._0 e 4"^L'ity • ^ 4r ".• ' ;TT . , 'ti 't 1 Photo 5 . View of cultivated field (left) and upland V^ �r area ( right) . dominated by :� alfalfa ( UPL) and smooth brome ( UPL) ) •v y [� respectively, x facing east towards South Platte River , riparian area. sr,‘ the ` h WJi° J .r p,♦ right is the study i - • . . „v area boundary. _ , y South of the 9 ' ` fence line lies an unrecorded , wetland . t. ir .. ., V 1 . ' i ' al/A > , _I 1" 6 r c m - .%. t `a i r .0 t$ ` - a . B" , .r � v LV 'M- "'a',"' .f. . _ by :. ..1 - . \ 'e'o _ V A e�M v rob ^m Y 4 • i "^ d� +�� ....� . Photo 6. View of WL-5 along P vs �f Lupton BottomaDitch facin Tç 't: ; ; :: .g ' „ 4 I. Illik. 1Y ' • northwest. L 4 Wetland fringe .f'' _• ..__ r ~ y. r •A \ dominated by �` r prairie cord .f,{'r � I; n. grass and Y: barnyard grass , r _ ( 1 AC) 4414 { �Jv.� r - _ .-. . . . 11, hie ^ ' Rr $ _w A r4. , 4...1 A'' I if ,4 li .4) fi �q s I ..l .FL s ' - N�� IN* • ,L, nil� 1`�' !i• r r) M, • •t l i._•VI hAV� r ,. t. t ,.. „� llP. ff il -yr: , . .. r ♦ .l .., IYtI"..t 'A, ` o T V y, QA.. amnia Weld County Gravel Pit Project Photographic Log Photographs taken September 12, 2017 M .47:,&tilx1:'.t .1:f. Photo 7. View of northern extant of WL-6 along Lupton Bottom Ditch facing south . Northern extant c dominated b � w� �, " ' ��o .a: y ptr :. e, rr .4:7\Ilk%bulrush (OBL) . -.� , .� . _ K . . ' ,! f� ,'ti � .. uw r A7A' ,*"`. •L and transitions • � � _ �• .,, ; to cattail dominated then • T �. ;: .o. to Baltic rush .� ( FACW) I ;. _f -:l �d 1• ,y r 41"t Y ♦l T : ! 'H! '1 4• T �, 1 0' .4 '' Y \ ,`6 4 ^, `•� w '^r yy I'rt•. O yp�p 0\ 4 Y �„� • •,E •} ^ • ` w t ��" At '+i xf t '.1%.. i dominated . 7 �• ` t V 24 4 b 1 p • YS 3 \ �J& 1 J ` y Prairie cord 1 . .. 1 - \ ` RAT p0 W 1 g Y N' . lT' T • rte w - „1 .y _- -_ , • grass 3.. a t throughout. Si ?� ` • - . , ,� jet :7Z 'Y ♦ 6 • B TA ;� • 1::\ "l E f: 1 d h' "N. . yy Jj♦♦y ':'. r. - d -I •' r l C 4 - • ' \ Y:•• C . I,'i;-" 1J.1"4. •'S' ..S \ Aai`. ` \ �'\ - 1 P' a.. Photo 8. View of unmapped • wetland along an �� "� `° � a".a� r, ..k.> ��1�.� _. "� 4 • • unnamed - •1,, w ` ,. spy M!': r1 r." '` ,".( ; °''..,1,..,'",. p,•,.. .' A. !•. Ire. a'"• ^T' . irrigation ditch ,,.,, � �. ...„.,„•-,....:,.,..4„,,,,,...,,,,,,...„.....:..,,,..„.,,,,• ? , , .4: gw r....... .. . e :; ,... .„" c n •ywq NC w . • .µ, x .;`• ` y `� q`�" § r3 .n .t. r sat.r.,... .... „... 'TI: o N Y •.c.. .,.., ,ce � ., .4^ ••" Y 74, 4•••' _ •-1 , r. .. n N ,yex just west of the �� <..441,1 •.� • ,,, ,,,,,. .... .,,,,,,..$,..„. , tFar yn - x ,. . ; - ;,� M .. ''S ` � t i�` ' ,. . a . t '�✓; Y✓ •r•w:. .+1 4 4. • 1to. li` A . d�,. '�• • i t'T . Sat f .rt ° y 4e ti, s.. 1 r.,';'. r ah y Y qY �Y " 1 .�V..',+�'<'e.• 'Y. K '"'F ':^ ." ✓ r �_c�ro ZM" ' - Y i.pr ` \�, ,� p rf at' a.yv a Y• •�* !� i W �« �I))., .: • r:y s 1 .w, �ny ' fence line in the V 7 1 I" ��y A ) eYIL'� ,., it? L }.:k• o''''#. ":i 1. `q�l px 1 s 4i. k4 ',.y * /� •- � • "-x s, • IkY2 _ 2 western portion n ,• wb• Pi k.--, V. -c, • a.• ttof the stud , • • - ,, - De j area, facing .k . 1.�* - • . • s ...„ Yt..4, "� • • ` .,^b,�� >; - - r,? ,r • ~ mot.+. �. south . �. �• .7 \ • 15 Th, l y • .: a 1+ , • y ..fir V - 1 -• • \ NO.� • '. -, 1 1 , I 44 i \ r r E 7 . ♦ 1 • ,.... „ c., ..i.: - • 1., , opip ate' _ ` - ., is . ♦'R.c.zc � .\ Weld County Gravel Pit Project Photographic Log Photographs taken September 12, 2017 rA,d.,,,,, .„ , ,,,,,,,,.,„,„--. .,.—, ; , . , . ., .,,, ,,..„ . I _. - ... , � � � . .. .11 •emir.-. - - . �_• _ Ma t:>-- . 1 7 _. • •Photo 9 . View of - 1 il r il 'tfrt; • "44'4 iit�dFE 4. WL-7 along ., . _ Weld CR 14 '/2 facing west. Dominated by ( . prairie cord - _ = grass. ` `°. - g • . • 1 - • ; • • _ y d 1 .. • Y._ _ L•1 f • l \ ' r {. .. '� Td A it L. . _ •' • , %% t \ - .. r ♦ 1 • 1 - ' , . ' k ; '` , j Photo 10 . View of upland area east of WL-7 facing south . 11111111 Distinct vegetation differences between cattail (OBL) , a' dominated 'r' ''; + ... x '`�R ks..,..,.. ite—s4t. Vii..--*--1 --- \ Oa' • r'-.41•.r'NSaciim"1:tc.{4 ` 7-•'4'i7 * • ,4_ "114 .' *LS% t W-'i' 4411,.._ Lupton Bottom Ditch (far right) , prairie cord grass ( FACW) fringe ( right) and a .i,�- . ,- it , ; - = I ts'• ,vry��-, .w'. -:. slender wheatgrass M r ` r • • ! Y e. 1 gip►' Sr Y .. ' I . .I *DL •b .-tx �! - '- 1.7- 1r L.. r. ..1. t _•, _ , ( UPL) dominated • „ 1 �; , .�. ; r `. •, ; ,0' ' - -:9%Cr`• / :-sip .L _• '4. - . .{• }r' upland (center - ,. . and left) . `' ' : y. . ; ,1.:1 1 w:S}� • • R., • Weld County Gravel Pit Project Photographic Log Photographs taken September 12, 2017 EXHIBIT I - SOILS INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6 4 9 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations (1) In consultation with the Soil Conservation Service or other qualified person, indicate on a map (in Exhibit C) or by a statement the general type, thickness and distribution of soil over affected land. The soil types on the site are shown on the attached Soil Map and the attached exhibits, including a description of the soil type on site Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit I -1 . i + , U S DA United States A product of the National Custom Soil Resource =____,.................., Department of Cooperative Soil Survey, Agriculture a joint effort of the United Report for INRCS States Department of Agriculture and other VVeId County Federal agencies , State i‘lii Natural agencies including the Resources Agricultural Experiment Colorado , Conservation Stations , and local Service participan�s So u ern Pa rn.., .ye"�P'q•' ^w�a r ` ^'m<mweso y .! s. '‘s. e�ww+Mr.1.Y.MW.. r '::W., °%a N T2%%° }T ,rPFy K y AVY iI4 ny; ,4,4„...„ *5 a k N'+Sfi !nP r "' z •r � �••ti f .. r'• }I I •' °,,yw p r '^(n'!�o a' AY.. _.. y of o:Ms"ls `%t � • K • le S • 'e,s..9�P '" > "S` �p5q' sn wrA�,v�.7`i%Olt W r y .� a y. "3300 '°:K�M+Ap' , r; JR ,,Y • II 4 Rz4A *a "°� �" r eV pp or T"{ n -,e 1 ei 4 \ .4: ..z d yi43. .. .. M i, ! n ,"AS1 #a a0.G15 Jek y6 "'" A43 r 3q 1 q te/#41410 4. 1 '.'F 5 WI ii Y 'Tr #i face !gyp o- ^ 1 61 y„,. y,. S' i !1R' if � N,.w 1 it A }J .11 � i " s Il 41. A - 1 4'' /:1 0' 0 e r4 i _ ,•,a_. ... a • yo SAL e{ y _., J! '.J. .w tile,!+F'. ..� -/ ;' ^ xV V V. .41 0 8 . �� efts September 27 , 2017 Preface Soil surveys contain information that affects land use planning in survey areas. They highlight soil limitations that affect various land uses and provide information about the properties of the soils in the survey areas. Soil surveys are designed for many different users, including farmers, ranchers, foresters, agronomists, urban planners, community officials, engineers, developers, builders, and home buyers. Also, conservationists, teachers, students, and specialists in recreation, waste disposal, and pollution control can use the surveys to help them understand, protect, or enhance the environment. Various land use regulations of Federal, State, and local governments may impose special restrictions on land use or land treatment. Soil surveys identify soil properties that are used in making various land use or land treatment decisions. The information is intended to help the land users identify and reduce the effects of soil limitations on various land uses. The landowner or user is responsible for identifying and complying with existing laws and regulations. Although soil survey information can be used for general farm, local, and wider area planning, onsite investigation is needed to supplement this information in some cases. Examples include soil quality assessments (http://www.nres.usda.gov/wps/ portal/nres/main/soils/health/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (https://offices.sc.egov.usda.gov/locator/app?agency=nrcs) or your NRCS State Soil Scientist (http://www.nres.usda.gov/wps/portal/nres/detail/soils/contactus/? cid=nrcs142p2_053951). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Web Soil Survey, the site for official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require 2 alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface 2 How Soil Surveys Are Made 5 Soil Map 8 Soil Map 9 Legend 10 Map Unit Legend 11 Map Unit Descriptions 11 Weld County, Colorado, Southern Part 13 3—Aquolls and Aquents, gravelly substratum 13 10—Bankard sandy loam, 0 to 3 percent slopes, frequently flooded 14 41 —Nunn clay loam, 0 to 1 percent slopes 16 85 —Water 17 References 19 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 Custom Soil Resource Report identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. 7 Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. w Custom Soil Resource Report 3 rm.b Soil Map _ . do otri 514000 514100 5142W 514300 514400 5145(X) 514600 514700 514800 514900 515000 515100 515200 515300 515400 40° 5' 43" N Lam 40° 5' 43" N G -: ,. . _ 17444 County R3 ad 14 A. 41 =, _ . , sitt 44.— 1 i 4' i ! t.� -- � - fit - f • gyp it sy 1 ;.Srii ' a f W i , .X ; ...440041,141 1 r a% i c -' ^I a !zA.i tit 1 - A., `' f' ' tie` Jam 'ct Clip, .11 .vw.. •-•••••1941:::-_-:.... - - f} • ; ,rte � .. p �. - If• 0 I- iY X85 01 ft. _ q ----4•4 .oft J.• S^' l'i'•A.'. -:i 'f ..i�Y... - _ '• , .I.. ys ..♦ 0 e, . .-.. �: :•, ; • Ilt P _ er t. .15%.'* ,-' 1 ..c,~ w-►,_ • .+ i► ti _ -f.,t •a iy, , r stow _ -• . . ..yr.): , i „, . , , - 4 IC*" sit. -Se I , • kiiiiiii;it / *II5:' .44,". I • • ter 'a '1C/,'.2.., . ' .. A.I. 1 M . so :74, • 1i - ,e4 C---`,, -� �. , .j. gy b . r • i • el }' ,� 414 tap''fp _ . 5 0 MO G�lEp � w UD© dE0�c1 §� e[ i� �c boo ' 1 0 - # •••• ; •• r* 40" 5 11" N ii,l'•' t . F S.I ?IL ` 40° S 11" N 514000 514100 514200 514300 514400 514500 514600 514700 514800 514900 515000 515100 515200 515300 515400 b to Map Scale: 1 : 6,990 if printed on A landscape (11" x 8.5") sheet. Ni ito Meters ° do N 0 100 200 400 600 g )\, Feet 0 300 600 1200 1800 Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 13N WGS84 9 Custom Soil Resource Report MAP LEGEND MAP INFORMATION Area of Interest (AOI) Spoil Area The soil surveys that comprise your AOl were mapped at Area of Interest (AOI) 1 :24, 000. 134 Stony Spot Soils h Very Stony Spot Soil Map Unit Polygons Warning : Soil Map may not be valid at this scale. Oat Wet Spot V Soil Map Unit Lines Enlargement of maps beyond the scale of mapping can cause ,tn Other misunderstanding of the detail of mapping and accuracy of soil r Soil Map Unit Points pp g Special Line Features line placement. The maps do not show the small areas of Special Point Features contrasting soils that could have been shown at a more detailed Blowout Water Features scale. Streams and Canals ;at Borrow Pit Transportation Please rely on the bar scale on each map sheet for map Clay Spot lat Rails measurements. Closed Depression Interstate Highways Source of Map : Natural Resources Conservation Service Gravel Pit US Routes Web Soil Survey URL: ,�01 Gravelly Spot Coordinate System : Web Mercator (EPSG: 3857) Major Roads ire Landfill Local Roads Maps from the Web Soil Survey are based on the Web Mercator x projection , which preserves direction and shape but distorts Lava Flow Background distance and area. A projection that preserves area , such as the Marsh or swamp Aerial Photography Albers equal-area conic projection , should be used if more Mine or Quarry accurate calculations of distance or area are required . c3 Miscellaneous Water This product is generated from the USDA-NRCS certified data as Perennial Water of the version date(s) listed below. Rock Outcrop Soil Survey Area : Weld County, Colorado , Southern Part . Saline Spot Survey Area Data: Version 15 , Sep 22 , 2016 O Sandy Spot x " 31 Soil map units are labeled (as space allows) for map scales Severely Eroded Spot 1 : 50 , 000 or larger. Sinkhole Date(s) aerial images were photographed : Sep 20, 2015—Oct W , Slide or Slip 15 , 2016 Sodic Spot The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. 10 Custom Soil Resource Report Map Unit Legend Weld County, Colorado, Southern Part (CO618) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 3 Aquolls and Aquents, gravelly substratum 123.6 92.9% 10 Bankard sandy loam, 0 to 3 percent slopes, frequently flooded 8.6 6.5% 41 Nunn clay loam, 0 to 1 percent slopes 0.6 0.5% 85 Water 0.2 0.1% Totals for Area of Interest 133.0 100.0% Map Unit Descriptions The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it was impractical to make enough observations to identify all the soils and miscellaneous areas on the landscape. 11 Custom Soil Resource Report The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The objective of mapping is not to delineate pure taxonomic classes but rather to separate the landscape into landforms or landform segments that have similar use and management requirements. The delineation of such segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, however, onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha -Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha -Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. 12 Custom Soil Resource Report Weld County, Colorado, Southern Part 3—Aquolls and Aquents, gravelly substratum Map Unit Setting National map unit symbol: 3627 Elevation: 4,000 to 7,200 feet Mean annual precipitation: 12 to 18 inches Mean annual air temperature: 45 to 55 degrees F Frost -free period: 80 to 155 days Farmland classification: Prime farmland if drained and either protected from flooding or not frequently flooded during the growing season Map Unit Composition Aquolls and similar soils: 55 percent Aquents, gravelly substratum, and similar soils: 30 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Aquolls Setting Landform: Flood plains, swales, streams Down -slope shape: Linear Across -slope shape: Linear Parent material: Recent alluvium Typical profile H1 - 0 to 48 inches: loam H2 - 48 to 60 inches: gravelly sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Low Capacity of the most limiting layer to transmit water (Ksat): Moderately high to high (0.20 to 2.00 in/hr) Depth to water table: About 6 to 48 inches Frequency of flooding: Frequent Frequency of ponding: None Salinity, maximum in profile: Nonsaline to slightly saline (0.0 to 4.0 mmhos/cm) Available water storage in profile: Moderate (about 8.0 inches) Interpretive groups Land capability classification (irrigated): None specified Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: Yes Description of Aquents, Gravelly Substratum Setting Landform: Stream terraces Down -slope shape: Linear 13 Custom Soil Resource Report Across -slope shape: Linear Parent material: Recent alluvium Typical profile H1 - 0 to 48 inches: variable H2 - 48 to 60 inches: very gravelly sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Poorly drained Runoff class: Very high Capacity of the most limiting layer to transmit water (Ksat): Moderately high to very high (0.57 to 19.98 in/hr) Depth to water table: About 6 to 24 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Nonsaline to moderately saline (0.0 to 8.0 mmhos/cm) Available water storage in profile: Moderate (about 6.6 inches) Interpretive groups Land capability classification (irrigated): 6w Land capability classification (nonirrigated): 6w Hydrologic Soil Group: D Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: Yes Minor Components Bankard Percent of map unit: 10 percent Hydric soil rating: No Ustic torrifluvents Percent of map unit: 5 percent Hydric soil rating: No 10—Bankard sandy loam, 0 to 3 percent slopes, frequently flooded Map Unit Setting National map unit symbol: 2s51 n Elevation: 4,090 to 5,410 feet Mean annual precipitation: 12 to 17 inches Mean annual air temperature: 48 to 52 degrees F Frost -free period: 130 to 160 days Farmland classification: Prime farmland if irrigated and the product of I (soil erodibility) x C (climate factor) does not exceed 60 14 Custom Soil Resource Report Map Unit Composition Bankard, frequently flooded, and similar soils: 80 percent Minor components: 20 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Bankard, Frequently Flooded Setting Landform: Flood plains, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear Parent material: Sandy alluvium Typical profile A - 0 to 2 inches: sandy loam AC - 2 to 9 inches: sandy loam Cl - 9 to 17 inches: loamy sand C2 - 17 to 80 inches: sand Properties and qualities Slope: 0 to 3 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Somewhat excessively drained Runoff class: Very low Capacity of the most limiting layer to transmit water (Ksat): High (2.00 to 6.00 in/hr) Depth to water table: More than 80 inches Frequency of flooding: Frequent Frequency of ponding: None Calcium carbonate, maximum in profile: 10 percent Salinity, maximum in profile: Nonsaline (0.0 to 1.9 mmhos/cm) Available water storage in profile: Low (about 3.5 inches) Interpretive groups Land capability classification (irrigated): 6s Land capability classification (nonirrigated): 6s Hydrologic Soil Group: A Ecological site: Sandy Bottomland (R067BY031 CO) Hydric soil rating: No Minor Components Glenberg, rarely flooded Percent of map unit: 8 percent Landform: Flood -plain steps, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear Ecological site: Sandy Bottomland (R067BY031 CO) Hydric soil rating: No Kitcarson, frequently flooded Percent of map unit: 5 percent Landform: Flood plains, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear, concave Ecological site: Wet Meadow (R067BY038CO) 15 Custom Soil Resource Report Hydric soil rating: No Alda, frequently flooded Percent of map unit: 5 percent Landform: Flood plains Down -slope shape: Concave Across -slope shape: Concave Ecological site: Salt Meadow (R067BY035CO) Hydric soil rating: No Las animas, frequently flooded Percent of map unit: 2 percent Landform: Flood plains, ephemeral streams Down -slope shape: Linear Across -slope shape: Linear, concave Ecological site: Salt Meadow (R072XY035CO) Hydric soil rating: No 41 —Nunn clay loam, 0 to 1 percent slopes Map Unit Setting National map unit symbol: 2ting Elevation: 4,100 to 5,700 feet Mean annual precipitation: 14 to 15 inches Mean annual air temperature: 48 to 52 degrees F Frost -free period: 135 to 152 days Farmland classification: Prime farmland if irrigated Map Unit Composition Nunn and similar soils: 85 percent Minor components: 15 percent Estimates are based on observations, descriptions, and transects of the mapunit. Description of Nunn Setting Landform: Terraces Landform position (three-dimensional): Tread Down -slope shape: Linear Across -slope shape: Linear Parent material: Pleistocene aged alluvium and/or eolian deposits Typical profile Ap - 0 to 6 inches: clay loam Bt1 - 6 to 10 inches: clay loam Bt2 - 10 to 26 inches: clay loam Btk - 26 to 31 inches: clay loam Bk1 - 31 to 47 inches: loam Bk2 - 47 to 80 inches: loam 16 Custom Soil Resource Report Properties and qualities Slope: 0 to 1 percent Depth to restrictive feature: More than 80 inches Natural drainage class: Well drained Runoff class: Medium Capacity of the most limiting layer to transmit water (Ksat): Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table: More than 80 inches Frequency of flooding: None Frequency of ponding: None Calcium carbonate, maximum in profile: 7 percent Salinity, maximum in profile: Nonsaline (0.1 to 1.0 mmhos/cm) Sodium adsorption ratio, maximum in profile: 0.5 Available water storage in profile: High (about 9.1 inches) Interpretive groups Land capability classification (irrigated): 3e Land capability classification (nonirrigated): 4e Hydrologic Soil Group: C Ecological site: Clayey Plains (R067BY042CO) Hydric soil rating: No Minor Components Heldt Percent of map unit: 10 percent Landform: Terraces Landform position (three-dimensional): Tread Down -slope shape: Linear Across -slope shape: Linear Ecological site: Clayey Plains (R067BY042CO) Hydric soil rating: No Wages Percent of map unit: 5 percent Landform: Terraces Landform position (three-dimensional): Tread Down -slope shape: Linear Across -slope shape: Linear Ecological site: Loamy Plains (R067BY002CO) Hydric soil rating: No 85 —Water Map Unit Composition Water: 95 percent Minor components: 5 percent Estimates are based on observations, descriptions, and transects of the mapunit. Custom Soil Resource Report Minor Components Aquolls Percent of map unit: 5 percent Landform: Marshes Hydric soil rating: Yes References American Association of State Highway and Transportation Officials (AASHTO). 2004. Standard specifications for transportation materials and methods of sampling and testing. 24th edition. American Society for Testing and Materials (ASTM). 2005. Standard classification of soils for engineering purposes. ASTM Standard D2487-00. Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of wetlands and deep -water habitats of the United States. U.S. Fish and Wildlife Service FWS/OBS-79/31. Federal Register. July 13, 1994. Changes in hydric soils of the United States. Federal Register. September 18, 2002. Hydric soils of the United States. Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric soils in the United States. National Research Council. 1995. Wetlands: Characteristics and boundaries. Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service. U.S. Department of Agriculture Handbook 18. http://www.nres.usda.gov/wps/portal/ nres/detail/national/soils/?cid=n res142p2_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=nres 142p2_053577 Soil Survey Staff. 2010. Keys to soil taxonomy. 11th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http:// www.nres. usda.gov/wps/portal/nres/detail/national/soils/?cid=nres142p2_053580 Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and Delaware Department of Natural Resources and Environmental Control, Wetlands Section. United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. United States Department of Agriculture, Natural Resources Conservation Service. National forestry manual. http://www.nres.usda.gov/wps/portal/nres/detail/soils/ home/?cid=nrcs142p2_053374 United States Department of Agriculture, Natural Resources Conservation Service. National range and pasture handbook. http://www.nrcs.usda.gov/wps/portal/nrcs/ detail/national/landuse/rangepasture/?cid=stelprdb1043084 19 Custom Soil Resource Report United States Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430 -VI. http://www.nrcs.usda.gov/wps/portal/ nrcs/detail/soils/scientists/?cid=nrcs142p2_054242 p2_054242 United States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://www.nres.usda.gov/wps/portal/nres/detail/national/soils/? cid=nrcs142p2_053624 United States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. http:// www.nrcs.usda.gov/Internet/FSE_DOCUMENTS/nrcs142p2_052290.pdf 20 EXHIBIT J - VEGETATION INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.10 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: (a) Description of present vegetation types including estimates of cover and height of principal species in each life -form represented; This information is provided in the attached Exhibit H Wildlife Information, prepared by Pinyon Environmental, 3222 S. Vance St, Unit 200, Lakewood, CO, 80227 (b) Relationship of present vegetation to soil types; This information is provided in the attached Exhibit H Wildlife Information, prepared by Pinyon Environmental, 3222 S. Vance St, Unit 200, Lakewood, CO, 80227. (c) Estimates of annual production and carrying capacity if the choice for reclamation is for range or agriculture. Non -applicable. The proposed reclamation is for a water storage reservoir. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit J -1 EXHIBIT K - CLIMATE INFORMATION The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.11 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: Provide a description of the significant climatological factors for the locality. This property is in a semi -arid continental climate strongly influenced by the Rocky Mountains. The area is usually warm in the summer with frequent hot days. In winter, periods of very cold weather are caused by arctic air moving in from the north or northwest. Milder periods occur when westerly winds are warmed as they move down slope off of the mountains to the east. Weather monitoring data is not available from the site. The nearest weather monitoring station is at Ft. Lupton and Brighton, Colorado. Data is collected from the Western Regional Climate Center. The table below lists the mean monthly temperature, and average total precipitation on a monthly and annual basis for the period of record from January 1, 1950 to December 31, 2000. Most of the precipitation occurs as rainfall during the warmer part of the year with the heaviest rainfalls in the late spring and early summer. Winter snowfall is frequent but the snowcover usually melts quickly during the milder periods. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Mean Monthly Temperature (F) 28.0 32.9 39.1 48.1 57.7 67.3 72.8 70.7 61.9 50.8 37.1 29.5 49.7 Average Total Precipitation (in.) 0.44 0.39 1.04 1.44 2.12 1.63 1.44 1.39 1.16 0.83 0.69 0.42 12.99 Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit K -1 EXHIBIT L - RECLAMATION COSTS The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.12 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: Please refer to the attached table for estimates of quantities and associated costs. Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Application Exhibit L -1 Attachment for Exhibit L Inouye - Gravel Mine - Reclamation Cost Estimate Activity Quantity Units Unit Costs Cost A. Phase 1 1 Final grade and place 6" of topsoil on the entire disturbed area 15,324 CY $ 1.05 $ 16,089.68 2 Seed and mulch 19.00 Acres $ 977.00 $ 18,563.00 3 Scarify ground 19.00 Acres $ 150.00 $ 2,850.00 Subtotal $ 37,502.68 B. Phase 2a 1 Final grade and place 6" of topsoil on the entire disturbed area 20,485 CY $1.05 $ 21,509.36 2 Seed and mulch 25.40 Acres $977.00 $ 24,815.80 3 Scarify ground 25.40 Acres $150.00 $ 3,810.00 I : SubtotalI $ 37,502.68 C. Phase 2b 1 Final grade and place 6" of topsoil on the entire disturbed area 16,533 CY $1.05 $ 17,359.91 2 Seed and mulch 20.50 Acres $977.00 $ 20,028.50 3 Scarify ground 20.50 Acres $150.00 $ 3,075.00 I ' • Subtotal) $ 50,135.16 D. Phase 3 1 Final grade and.place 6" of topsoil on the entire disturbed area 17,904 CY $1.05 $ 18,799.52 2 Seed and mulch 22.20 Acres $977.00 $ 21,689.40 3 Scarify ground 22.20 . Acres $150.00 . $ 3,330.00 I . . SubtotalI $ 43,818.92 E. Processing Area. Sand, gravel, concrete and asphalt materials are a commodity and therefore no cost would be incurred for reclamation. In addition, the mobile sales office and scale will have a value that, would offset any cost for reclamation. 1 Move serge piles into settling/silt pond 1,000 CY $ 1.05 $ 1,050.00 2 Remove concrete pad for concrete plant 8 CY $ 65.00 $ 520.00 3 Remove concrete pad for asphalt plant 8 CY $ 65.00 $ 520.00 4 Remove concrete pad for recycling plant 5 CY $ 65.00 $ 325.00 5 Remove concrete footings for office 10 CY $ 65.00 $ 650.00 6 Remove concrete base for scale 5 CY $ 65.00 $ 325.00 7 Scarify ground 1.0 Acres $ 150.00 $ 150.00 8 Spread 6" topsoil 807 CY $ 1.05 $ 846.83 9 Seed and Mulch 1.0 Acres $ 800.00 $ 800.00 I . . , - Subtotal! $ 5,186.83 F. Slurry Wall - Assuming a total of 9936 If of wall, assumed depth of 40' + 3' into base 1 Excavation, Materials and Labor and Dewatering 427,248 Face Ft $ 4.00 $ 1,708,992.00 Subtotal; $ 1,708,992.00 Total Disturbance Costs $ 1,845,635.57 Indirect Costs - Overhead & Profit. Performance Bond (2.02%) - Based on DRMS estimate $ 37,281.84 Performance Bond (3.07%) - Based on DRMS estimate $ 19,379.17 Job Superintendent (240 hours @ $75/hr) - Based on DRMS estimate • $ 18,000.00 Contractor Mob and DeMob (3%) - Based on DRMS estimate $ 55,369.07 Contractor Overhead and Profit (10%) - Based on DRMS estimate ' $ 184,563.56 Subtotal $ 314,593.64 Contract Amount (direct + O & P) . $ 2,160,229.21 Legal, Engineering & Project Management Financial warranty processing (legal/related costs) ($500) $ 500.00 Engineering Work and/or contract/bid preparation (4.25%) $ 91,809.74 Reclamation management and/or administration (5%) - Based on DRMS estimate $ 108,011.46 Contingency (3%) ) $ 55,369.07 Subtotal '$ '255,690.27 Total Indirect Costs $ 570,283.90 'Total Bond Amount $ 2,415,919.47 1 EXHIBIT M - OTHER PERMITS AND LICENSES The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.13 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: The Operator will apply for the following permits prior to mining: Colorado Department of Public Health and Environment • Air Pollution Emission Notice (APEN) Permit • Colorado Discharge Permit System (CDPS) and Stormwater Management Plan Colorado State Engineer's Office • Substitute Water Supply Plan (SWSP) • Well Permit City of Fort Lupton • Annexation —City of Fort Lupton • Use by Special Review — City of Fort Lupton • Flood Hazard Development Permit Burnco Colorado, LLC Inouye Gravel Mine — MLRB 112 Permit Application Exhibit M -1 EXHIBIT N - SOURCE OF LEGAL RIGHT TO ENTER This information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.7 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations. Please refer to the attached legal right -to -enter documents. Burnco Colorado, LLC - Inouye Gravel Mine — MLRB 112 Permit Application Exhibit N -1 June 19, 2018 Mark Johnson, Burnco Colorado, LLC 301 Centennial Drive Milliken, CO 80543 RE: Legal Right to Enter Dear Mr. Johnson: In exchange for good and valuable consideration, hereby grants to Bumco Colorado, LLC the right to enter into the real property situated in The North Half of the Southwest Quarter (N1/2 SW1/4) of Section Thirty-one (31), Township Two North (T.2N.), Range Sixty-six West (R.66W.) and the East 60 acres of the East Half of the Southeast Quarter (E1/2 SE1/4) of Section Thirty-six (36), Township Two North (T.2N.), Range Sixty-seven West (R.67W.) of the Sixth Principal Meridian (6th P.M.), County of Weld, State of Colorado. Refer to Exhibit for legal description. You and your officers, employees, contractors, and agents have permission to enter upon the Property for all purposes, including the exploration for gravel, sand and aggregate. We hereby confirm that you have authority and right to execute all documents required to apply for and obtain permits and the like to mine gravel, sand and aggregate and access the property. Following permitting, Bumco Colorado, LLC agrees to enter into a Sand, Gravel, and Aggregate Mining Lease to remain in effect until mining activity ceases. The permission granted by this letter shall be effective immediately, and shall remain in effect until superseded by a Sand, Gravel and Aggregate Mining Lease or until 2030, whichever comes first. TRICYCLE TEXASAC By: I* Clifford Hah STATE OF COUNTY OF } ) ss. The foregoing instrument was acknowledged before me on tip Act- ►e , byCl i414. Vkt.Frt ofrriayesadnatiosuatness my hand and seal. My commission expires: 4 -6' 12 . KRISII PYATT gi*rPublic, State of Texas �,Q. :Notary 3.1 � Comm. Expires 04.16.2022 #41:40� Notary ID 124163305 f�fl \\� EXHIBIT - LEGAL DESCRIPTION OF LEGAL RIGHT TO ENTER LANDS Propene Description: LAND PARCEL DESCTRIPTION The North Half of the Southwest Quarter (N1/2 SW1/4) of Section Thirty-one (31), Township Two North (T.2N.), Range Sixty-six West (R.66W.) and the East 60 acres of the East Half of the Southeast Quarter (E112 SE1/4) of Section Thirty-six (36), Township Two North (T.2N.), Range Sixty-seven West (R.67W.) of the Sixth Principal Meridian (6th P.M.), County of Weld, State of Colorado. EXCEPTING THEREFROM: That parcel of land described in that Quitclaim Deed recorded August 3, 1993 as Reception No. 02344482 of the records of the Weld County Clerk and Recorder. Said described parcel contains 142.625 Acres, more or less (±). EXHIBIT O - OWNERS OF RECORD OF AFFECTED LAND (SURFACE AREA) AND OWNERS OF SUBSTANCE TO BE MINED The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.15 of the Colorado Mined Land Reclamation Board Construction Material Rules and regulations: Owners of Surface Area and Owners of Substance to be mined The property and the substance to be mined are owned by Tricycle Lane Texas, LLC. The following are Mineral Owners: TRICYCLE LANE TEXAS LLC 11401 COUNTY ROAD 9 3/4 LONGMONT, CO 80504-9704 Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit 0 -1 EXHIBIT P - MUNICIPALITIES WITHIN Two MILES The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.16 of the Colorado Mined Land Reclamation Board Construction Material Rules and regulations: List any municipalities within two miles of the proposed mining operation and address of the general office: City of Fort Lupton 130 S. McKinley Ave. Fort Lupton, CO 80621 Burnco Colorado, LLC —Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit P -1 EXHIBIT Q - PROOF OF MAILING OF NOTICES TO COUNTY COMMISSIONERS AND CONSERVATION DISTRICT The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.17 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations: Burnco Colorado,LLC —Inouye Gravel Mine— MLRB 112 Permit Amendment Application Exhibit Q -1 EXHIBIT R - PROOF OF FILING WITH COUNTY CLERK OR RECORDER The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.18 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations. Burnco Colorado, LLC — Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit R -1 EXHIBIT S - PERMANENT MAN-MADE STRUCTURES The information provided in this Exhibit is intended to satisfy the requirements outlined in Section 6.4.19 of the Colorado Mined Land Reclamation Board Construction Material Rules and Regulations. Where mining will adversely affect the stability of any significant, valuable or permanent man-made structure located within 200 feet of affected land, the applicant may either: a) Provide a notarized agreement between the applicant and the person(s) having an interest in the structure, that the applicant is to provide compensation for any damage to the structure; or b) The applicant shall provide an appropriate engineering evaluation that demonstrates that such structure shall not be damaged by activities occurring at the mining operation: or c) Where the structure is a utility, the Applicant may supply a notarized letter stating that the mining and reclamation as proposed will have no negative effect on their utility. The known, permanent, man-made structures within 200 feet of the proposed mine areas are listed as follows: • TRICYCLE LANE TEXAS LLC • VARIOUS BUILDINGS OWNED BY LAND OWNER • WCR 141/5 & ROW (WELD COUNTY PUBLIC WORKS) • OVERHEAD POWER LINE (NORTHERN & SOUTHERN BOUNDARY)(UNITED POWER) • OVERHEAD POWER LINE (WESTERN BOUNDARY)(UNITED POWER) • OVERHEAD POWER LINE (WCR 14 1/2) (UNITED POWER) • VARIOUS GAS LINES (KERR-MCGEE/ANADARKO, & KP KAUFMAN) • INOUYE 44-36 WELL HEAD (KP KAUFMAN) • FUNAKOSHI SAM GU N02 (KERR-MCGEE/ANADARKO) • INOUYE 9-36A WELL HEAD (KERR-MCGEE/ANADARKO) • GRASSHOPPER WELL HEAD (KERR-MCGEE/ANADARKO) • INOUYE 11-31A WELL HEAD (KERR-MCGEE/ANADARKO) • VYNCKIER DONALD GU B N02 (KERR-MCGEE/ANADARKO) • NOUYE 15-31A WELL HEAD (KERR-MCGEE/ANADARKO) • FIBER OPTIC IN WCR 141/2 ROW (CENTURY LINK) • LUPTON BOTTOM DITCH Please refer to the attached engineering stability analysis that shows that structures shall not be damaged by activities occurring at the mining operation. Burnco Colorado, LLC — Inouye Gravel Mine — MLRB 112 Permit Amendment Application Exhibit S -1 May 31, 2018 Mr. Mark Johnson, Compliance Manager Burnco Colorado, LLC 301 Centennial Drive Milliken, Colorado 80543 Re: Stability Analysis for the Inouye Gravel Mine Dear Mr. Johnson: This letter has been prepared to address the Mined Land Reclamation Board (MLRB) Construction Materials Rule 6, Section 4, Subsection 19, Exhibit S - Permanent Man -Made Structures (6.4.19, Exhibit S) for the proposed Inouye Gravel Mine located at and in the vicinity of 12210 Weld County Road (WCR) 14.5 in Weld County, Colorado. This letter describes the project and slope stability analyses utilized to evaluate the minimum distance between the edge of mining and adjacent structures to avoid damage to the structure. The site is located on the south side of WCR 14.5, west of the South Platte River. More specifically, the site is within parts of Section 31, Township 2 North, Range 66 West; and Section 36, Township 2 North, Range 67 West of the 6th Principal Meridian. The mine is in an area of irrigated agricultural land with common oil and gas wells and related infrastructure and is bound by Weld County Road (WCR) 14.5 on the north; the South Platte River on the east; City of Fort Lupton waste water ponds and irrigated cropland on the south, and greenhouses on the west. The mine and vicinity are shown on Figure 1. The site will be mined in three cells located on the southwest, northwest and the northeast parts of the site. Oil and gas wells and facilities separate the southwest and northwest cells. The Lupton Bottom Ditch separates the northwest and northeast cells. The northeast and northwest cells will be lined with soil-bentonite slurry walls and will be reclaimed as below grade reservoirs. The southwest cell will receive wash fines from the processing of mined sand and gravel. Based on the stability analyses, this report indicates that the setbacks and perimeter slopes in the mining plan are sufficient to protect structures within 200 feet of the permitted mining boundary. Actual setbacks may be greater due to permit limitations, zoning requirements, construction issues, agreements with owners, and extent of economically mineable aggregate or other issues. GEOLOGY The site is located approximately 20 miles east of the eastern flank of the Rocky Mountain Front Range. Younger sedimentary strata dip eastward off the Pre -Cambrian igneous and metamorphic rocks that form the core of the Front Range into the Denver Structural Basin. The Denver Basin is an asymmetrical downwarp of sedimentary strata with a steeply dipping west limb and a gently dipping east limb. Bedrock does not crop out at the site, however regional geologic mapping of the area (Colton, 1978) indicates the near surface bedrock at the site is most likely either the Laramie or the Denver and Arapahoe Formations (Colton, (1978) maps the Denver and Arapahoe Formations as undifferentiated). Colton (1978) describes the Laramie as mostly claystone, shale, sandy shale, and lenticular sandstone. The Lower Laramie is described as sandstone, sandy shale, and claystone with several coal beds. Colton (1978) describes the Denver and Arapahoe Formations as claystone and siltstone interbedded with tuffaceous sandstone and conglomerate. The regional mapping indicates the bedrock is overlain by the Piney Creek Alluvium. Colton (1978) describes the Piney Creek as sandy and gravelly alluvium in which the upper part is characterized by a weakly developed brown soil. Mr. Mark Johnson May 31, 2018 Page 2 GEOTECHNICAL CONDITIONS Based on the site investigations, the natural site stratigraphy generally consists of three main units: 1) Overburden generally consisting of near surface sandy clay to silty sand; 2) sand and gravel alluvial deposits that underlie the overburden and overlie the bedrock; and 3) bedrock usually consisting of sandy claystone, siltstone, and sandstone that is commonly weathered in the top foot and is commonly interbedded. Overburden The overburden typically grades from a sandy clay to a silty sand that is of low plasticity typically ranging from approximately 2 to 5 feet in thickness. This unit is usually slightly moist to moist and stiff to very stiff or medium dense with the top 6 to 8 inches containing significant organics. Sand & Gravel The sand and gravel encountered is present throughout the site typically underlying the overburden and overlying the bedrock and ranges from approximately 20 to 43 feet in thickness. This unit typically consists of slightly silty, fine to medium grained, locally coarse grained sand with local sandy gravel also present. Local thin sandy clay to clayey sand lenses were locally encountered within this unit. Where encountered, gravels were typically 1 to 2 inches in diameter. Local cobbles up to 4 -inches were also locally encountered. Bedrock The bedrock was encountered at depths ranging from approximately 23 to 46 feet below the ground surface in the exploratory borings. Bedrock was generally weathered in the upper one foot typically became harder in unweathered zones. The bedrock consisted of claystone, siltstone and sandstone that were commonly interbedded. Local lignite was also encountered. The claystones are typically moderately to highly plastic. The siltstones and sandstones are non - plastic to lowly plastic. Groundwater Groundwater was encountered in all of the borings at approximately 4 to 14 feet below ground surface. The groundwater levels will vary seasonally and will typically rise during the irrigation season and during high river stages. Groundwater will be controlled with the proposed below grade slurry walls and by pumping down the water level during mining. After slurry wall construction, groundwater mounding is anticipated on the upgradient (south and west) side of the site and a groundwater shadow (deeper water table) is anticipated on the downgradient (north and east) side the site. From a geotechnical standpoint, the sand and gravel will form the majority of the mine slopes. These soils are generally strong and stable, particularly when dewatered. STRUCTURES WITHIN 200 FEET OF DISTURBED AREAS The known, permanent, man-made structures within 200 feet of the proposed mine areas that are not owned by Bestway Concrete (aka Tricycle Lane Texas, LLC) are listed below: • Weld County Road 14.5 and ROW ( North Boundary, Weld County Public Works) • Overhead Power Line (North Boundary at Weld County Road 14.5, United Power) • Overhead Power Line (West Boundary, United Power) • Overhead Power Line (South Boundary) • Water Line (North Boundary, Central Weld County Water District) • Various Gas Lines (Kerr-McGee/Anadarko & KP Kaufman) • Various Gas Well Infrastructure and Roads (Kerr-McGee/Anadarko & KP Kaufman) • Inouye 44-36 Well Head (Between SW and NW Cells, KP Kaufmann) • Funakoshi Sam Gu NO2 (East of NE Cell, Kerr-McGee/Anadarko) • Inouye 9-36A Well Head (NE Cell, Kerr-McGee/Anadarko) Mr. Mark Johnson May 31, 2018 Page 3 • Grasshopper Well Head (East of NW Cell, Kerr-McGee/Anadarko) • Inouye 11-31A Well Head (East of NE Cell, Kerr-McGee/Anadarko) • Vynckier Donald Gu B NO2 Well Head (East of NE Cell, Kerr-McGee/Anadarko) • Inouye 15-31A Well Head (East of NE Cell, Kerr-McGee/Anadarko) • Fiber Optic in WCR 14.5 ROW (North Boundary, Century Link) • Lupton Bottom Ditch (Between NW & NE Cell) • Fort Lupton Waste Water Pond (South Boundary) STABILITY ANALYSES Recently, Division of Reclamation and Mining Safety (DRMS) staff drafted a policy regarding stability analyses of neighboring structures. The draft summarizes adequate factors of safety (FOS) for non -critical and critical structures. The structures around the Inouye mine are, for the most part, considered critical structures. Discussions the author of the memo, Mr. Tim Cazier, indicate the FOS will be adopted by the MLRB. The FOS are for both static and seismic (from an earthquake) stability analyses. For generalized strength assumptions and critical structures, an FOS of 1.5 is considered sufficient for static conditions and an FOS of 1.3 is considered suitable for seismic conditions. The stability of structures within 200 feet of the proposed mining limits was evaluated at six sections under anticipated loading conditions around the perimeter of the site as discussed below. The computer program XSTABL was used for the analysis. The method for selecting the critical failure surface for each analyzed loading condition is the following. The Modified Bishop's Method of Analysis is used to find the critical failure surface by randomly searching with 20 termination points and 20 initiation points (400 failure circles) with 7 foot line segments over a broad range of the slope surface and at the structure in question. This procedure is repeated over different initiation and termination locations until the most critical factor of safety failure surface is identified. The range is narrowed and 20 initiation points and 20 termination points (400 failure circles) with 7 foot line segments for the final run of 400 circles to determine the lowest factor of safety. Therefore, prior to submitting the final stability run, at least 800 failure surfaces were analyzed to determine the lowest factor of safety. Both static stability under anticipated mining conditions and seismic stability under peak ground acceleration loads were performed. Seismic loading was obtained from the U.S.G.S. Unified Hazard Tool. Review of the Hazard Tool indicated a maximum horizontal acceleration of 0.091g with a return period of 2,475 years for the site. The six cross section locations were selected and analyzed as described below. All of the cross sections were modeled with a nearly vertical high wall of 0.5:1 (horizontal:vertical) at the mine limit. The locations are shown on the attached Figures. ► Section 1: This section is on the west side of the southwest cell and considers the point where the tallest mine high wall (deepest bedrock) in this cell is closest to a critical structure (the overhead power line). The power line is approximately 47 feet from the mine limit. This is also an area where an off -site pond is nearby and the groundwater table will be more elevated. ► Section 3: This section is on the west side of the northwest cell and considers the point where the tallest highwall on the west side of this cell comes closest to the United power line. The power line is approximately 78 feet from mine high wall. ► Section 4: This section is on the south side of the northwest cell and considers the point where the Kerr- McGee/Anadarko gas line is closest to the mine. The gas line is approximately 52 feet from the mine high wall. ► Section 6: This section is on the north side of the northwest cell and considers the point with the tallest high wall in this cell is closest to the United power line on the south side of WCR 14.5. The power line is approximately 85 feet from mine high wall. Mr. Mark Johnson May 31, 2018 Page 4 ► Section 7: This section is on the southeast side of the northeast cell and considers the point where the Lupton Bottom Ditch is closest to mine high wall in this cell. The Lupton Bottom Ditch is approximately 96 feet from the mine high wall. ► Section 8: This section is on the north side of the northeast cell at a point with the tallest high wall of the mine. This section considers the Central Weld County Water District water line located on the south side of WCR 14.5. The water line is approximately 82 feet from the mine high wall. MATERIAL PROPERTIES The material index and engineering strengths assumed in this slope stability report are discussed below. Overburden The strength properties for the insitu sandy clay to silty sand overburden were based on our engineering judgment; the following parameters have been used to model the overburden. The overburden is weaker that the underlying sand and gravel and ranged in thickness from 2 to 5 feet. Dry Unit Weight (pct) Moist Unit Weight (pcfl Saturated Unit Weight (pcf) Cohesion C' psf Friction Angle 0'" 103 114 126 50 28 Alluvial Sand and Gravel The sand and gravel is generally a fine to medium -grained, locally coarse grained sand locally grading to sandy gravel and is the thickest unit in the mine highwall. The alluvial sand and gravel was modeled as follows: Dry Unit Weight (pcf) Moist Unit Weight (pct) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle 0' ° 119 129 130 0 35 Bedrock Bedrock below the alluvium is claystone, siltstone, and sandstone that is commonly interbedded and weathered in the top foot. Sandstone and siltstone are typically stronger than claystone. Claystone is generally a weak bedrock. Because of the common sandstone and siltstones and the interbedded nature of the bedrock, we modeled the bedrock as sandy claystone. For the sandy claystone bedrock both weathered and unweathered strength conditions were considered. Based on the borings at the site, the weathered bedrock was modeled with less cohesion and a slightly lower friction angle. Dry Unit Weight (pcf) Moist Unit Weight (pcf) Saturated Unit Weight (pct) Cohesion C' psf Friction Angle �' ° g 116 Unweathered = 126 Weathered = 110 Unweathered = 135 Weather _ ed 1 Unweathered = 100 Weathered = 50 Unweathered = 29 Weathered = 28 Soil-Bentonite Slurry Wall The proposed slurry wall will consist of a mix of the overburden sandy day to silty sand, alluvial sand and gravel, bentonite slurry, and imported bentonite. The resulting mix will produce a non -Newtonian fluid with some shear strength characteristics based on a reduced friction angle of the overlying overburden. Based on engineering judgment, we modeled the slurry wall as follows: Mr. Mark Johnson May 31, 2018 Page 5 Dry Unit Weight (pcf) Moist Unit Weight (pcf) Saturated Unit Weight (pcf) Cohesion C psf Friction Angle or ° g NA 112 115 0 0 STABILITY ANALYSES RESULTS The stability analyses assumed the mining will be per the mine plan. The plan includes dry mining in the northwest and northeast cells as water levels will be controlled by the slurry wall. The southwest cell will be dewatered by a series of trenches constructed below the mining level leading to a pump resulting in dewatered conditions at the mined slopes. The perimeter mine slopes will be no steeper than 0.5:1 horizontal to vertical. For conservatism, Civil Resources modeled the weaker overburden material as 5 feet thick effectively lowering the height of the stronger sand and gravel. The most critical sections (listed in Table 1 below) were analyzed. These critical sections were based on one or a combination of the following factors: 1) structure proximity, height of the mine highwall, and/or higher groundwater. Setbacks listed in Table 1 (below) indicate the setback from the structure to the mining limits. The setback distance can be increased as needed to address other restrictions. The factor of safety shown below is the minimum factor of safety of the conditions listed above. TABLE 1 - SLOPE STABILITY RESULTS AND SETBACKS Section Location Critical Structure Structure Setback From Mine Limit (ft) Static Factor of Safety at Structure Seismic Factor of Safety at Structure (0.091g horizontal) DRMS Draft FOS Requirement Static/Seismic 1 West side of Southwest Cell Overhead Powerline (United) 47 1.6 1.3 1.5/1.3 3 West side of Northwest Cell Overhead (United) 1.3 4 South side of Northwest Cell Gas Line (KM/A) 52 1.6 1.3 1.5/1.3 6 North side of the Northwest Cell Power Line (United) 85 1.7 1.3 1.5/1.3 7 Southeast Side of Northeast Cell Lupton Bottom Ditch 96 2.0 1.4 1.5/1.3 8 North side of Northeast Cell Water Line (CWCWD) 82 1.6 1.3 1.5/1.3 Notes: KMA=Kerr-McGee/Anadarko CWCWD=Central Weld County Water District CONCLUSIONS Stability analyses were performed on the most critical sections listed above. Other structures will be safer due to increased distance from the mine highwall, shorter highwalls, and/or more favorable groundwater conditions. Based on the Factors of Safety listed in the table above, the mine will not be a hazard to neighboring structures provided the structure and slurry wall offsets, as well as the perimeter mine slopes, follow the mine plan. LIMITATIONS Our review is based on regional geologic mapping, present mining plans, and in part borehole data by Civil Resources and Cesare, Inc. Civil Resources is not responsible for work by others. Stability analyses were performed using typical Mr. Mark Johnson May 31, 2018 Page 6 strength parameters for the various strata in the critical sections discussed above. Should the mining plans change or subsurface conditions vary from those portrayed in this letter, we should be contacted in order to re-evaluate the potential affects on permanent man-made structures. Stability analyses were run at the structure in question and were not run on failure surfaces closer to the highwall. Note also that surcharge loads due to temporary material stockpiles and overburden berms were not considered in the analysis. Please call with any questions or comments. Sincerely, Civil Resources, LLC Gary Linden, P.G. Senior Engineering Geologist Attachments: Figure — Slope Stability Cross Sections Locations Plan (from mining plan) Figure — Slope Stability Cross Sections (from mining plan and XSTABL Output) Boring Locations XSTABL Model Outputs: Sections 1, 3, 4, 6, 7, & 8 REFERENCES Colton, R.B., 1978, "Geologic Map of the Boulder -Fort Collins -Greeley Area, Colorado", U.S.G.S. Map l -855-G. J:1Bestway-2131Inouye\DRMS\Exhibits\Stability Analysis\Stability analysis report - Inouye.doc 61 RIGHT-OF-WAY III ( zpOIY CENTER-EAST SIXTEENTH CORNER \ PER QUIT CLAIM DEED R'°G Q SECTION 36,72N.,R67W. 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CONSER4ANCYD/STRICT COMER VAN 3 / ' 1 280'WITNESS CORNER FOUND 2"ALUMINUM CAP (REC NO.3971696) (REC.NO 39%1696/ FOUND 2 1/2"AW MINUM CAP s Cr j ON#6 REBAR,.LS 12330,1987 $5 \ \ I 10 ON#6 REBAR,LS 34980,2006 DESIGNED: 966- DATESCALE. ..AS NO STRUCTURE INFO: \ whalsII'NIO DRAWN BY: 966_ SCA F:AS NOTED CHECKED BY: 966_ AS NOTED CD CallbePote t di, FLOODPLAIN INFO: AFFECTED LANDS: NOTE: JOB NO., 213.001.29 TRICYCLE LANE TEXAS LLC DWG NAME:CO*2211SPN000ROUSA-IIOIREDWG VARIOUS BUILDINGS OWNED BY LAND OWNER F" SOILS MAP LEGEND FLOODPLAIN INFO IS FROM CIVIL RESOURCES, LLC- IS NOT RESPONSIBLE FOR SAFETY, IN,ON,OR ABOUT THE I-- WCR 14 1/5&ROW(WELD COUNTY PUBLIC WORKS) TRICYCLE LANE TEXAS LLC: W OVERHEAD POWER UNE (NORTHERN & SOUTHERN BOUNDARY)(UNITED POWER) MAP UNIT SYMBOL MAP UNIT NAME FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY = OVERHEAD POWER UNE(WESTERN BOUNDARY)(UNITED POWER) PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. Cr)I OVERHEAD POWER LINE (WCR 14 1/2) (UNITED POWER) ElALTVAN LOAM,O TO 1 PERCENT SLOPES AND 081 23 0 21 0 4E oScVARIOUS GAS LINES (KERR—MCGEE/ANADARKO, KP KAUFMAN) Q AQUOLLS AND AQUENTS,GRAVELLY SUBSTRATUM EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC.IN COOPERATION WITH cor EXISTING INOUYE 44-36 WELL HEAD (HP KAUFMAN) 10 BANKARO SANDY LOAM,0 TO 3 PERCENT SLOPES,FREQUENTLY P100161 ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING = FUNAKOSHI SAM GU NO2 (KERR-MCGEE/ANADARKO) EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 3 32 KIM LOAM,1 TO 3 PERCENT SLOPES TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT N INOUYE 9-36A WELL HEAD (KERB-MCGEE/ANAOARKO) AGRICULTURAL FARM LAND 122 ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. -O GRASSHOPPER WELL HEAD (KERR-MCGEE/ANADARKO) 41 NUNN CLAY LOAM,0 TO 1 PERCENT SLOPES 4.2�. INOUYE 11-31A WELL HEAD (KERR—MCGEE/ANADARKO) PROPERTY ADDRESS: 68 USTICTORRIORTHENTS,MODERATELY STEEP VYNCKIER DONALD GU B NO2 (KERR-MCGEE/ANADARKO) - APPLICANT: 12210 WCR 144 0 NOUYE 15-31A WELL HEAD (KERR-MCGEE/ANADARKO) 85 WATER FT LUPTON, CO. XXXXX SHEET, ,- FIBER OPTIC IN WCR 14 1/2 ROW (CENTURY LINK) BESTWAY CONCRETE Sc AGGREGATE ch LUPTON BOTTOM DITCH 301 CENTENNIAL DRIVE N MILLIKEN, CO 80543 a co a In N CO •I J II CENTER-EAST SIXTEENTH CORNER RIGHT-OF-WAY I I 2p0 y OOO SECTION 36,T.2N.,R67W. PER QUIT CLAIM DEED \ \ RFC / LC RERLSTINC COUNTY Z4 S LGEVER(STINC SECTION 31,T SIXTEENTH CORNER REC.NO.02344482 \\ q„_ C.,,,..•/./.i 1 SE{RON 31,T.2N.,R66W. -'(AJ _ F/E!N LGEVERISTINC I LOSVERISTINC LOTB RE-4145 LGEVEftISTINC SOUTH PLATTE VALLEY 30'WITNESS CORNER RICHARD LOTS LOTA I 20'WITNESS CORNER SITE ACCESS RE-4145 RE-4145 EAST QUARTER CORNER fON#AREBARL5349802006 FOUND 2 1/2"ALUMINUM CAP HISTORICAL SOCIETY FOUND 2 1/2"ALUMINUM CAP ) ON#6REBARL53Da62zoo7 CIVIL RESURCES, LLC SECTION36T,2N.,R.67W. �I+. �T_ / / /// I !••CENTURY LINK CENTURY LINK 589'40'04'E 995.45 - — _ N8921'09'E 1518.0 �7_��. ��v_ �_ - sa --� -,/ .,� CENTER QUARTER CORNER 323 5th STREET - F0. • .- - •_ `- • .... W.. _ 'n=. f .. - SECTION 3\T.2N.,R,66W.' P O Box 6B0 1last.. .. ,.t .2. ~ Q, NB92T'09'E 653.74' W. _ ._.. I _ / - — 1 —.�..� ..\ 1pp yR FREDERICK, 60530 W CWCWD -- \ . 000 ®—WATERLINE, . — — ' UNITED POWER CWCWD - /- -ry \ e ' .. —.-0+00 \ W,qY WWW. RESOURCES-COM MW-1 WATERLINE ASPHALT PLANT AND ''� • „V0.F�pOgVJPY c.rra 3+06-4 it l ry+p0 o\„\ \ EDGE OF RIB / CONCRETE PLANT 5 AC+/- 1 C..L.:• I 3+15 3+� \ /� \ • I7/;/ FLOOD ZONE S , UNITED POWER \ IF� FLOOD ZONE AE \ fs aj I C� I eLANKETTRA7L 1 UNITED POWER �r2- • EXIST BURIED 'Z' f EASEMENT AGREEMENT. \ • . / m0urElx-31A" BURNCO COLORADO,LLC _ / a IRRIGATION PIPE �` REC.NO.4233870 \ rn (EXACT LOCATION 4 O (K •I 1 W 'INOUYE 9-36A" � UNKNOWN) / �OF ANADARKO)) SOOTY/PLATTE \ (KERR-MCGEE O 1) D,. VALLEY 301 CENTENNIAL DR, t'o'y 1 E -. ANADARKO) ` 1 x 4 C'"r _ '� / ~ / l 2 HISTORICAL MILLIKEN,CO 80543 �V1 WELL TO 8E ti0 / ,('(T;J ^ SOCIETY \ / 970 587 7277 V I - �il ^—KERR-MCGEE ANADARKO GRASSHOPPE' Ja jjj • rS`" N PLUGGED& y / 11 / (REC.NO.0,16B54b'1 \ CONTACT:MARK JOHNSON ABANDONED (KERR-MCGEE ' / 'II{ (I[�• Y" I PHASE 28 ANADARKO) PHASE 3 J. !VI Q y n 1 i MAINTAIN 30'RADIOS 1 y �'} C•.-tY.a I 20.5 ACRES+/- STEEL BRIDGE DECK 22.2 ACRES+(- } I • [0 Q 1 I12"RCP ti I Cq7� 1,1 ` // I / ,.y / a - v 10 PVC ® - I } IF I)RELOCATE ELECTRIC LINE 4+01 �'- / y� FROM THE SOUTH / ((�� UNITED POWER • I I ,FQ / }( 7o I� N 1+00 0 • 4'DI METE' M ER HUT 00 V 3,F00 TW.FLOOD ONE AE COMP' SS• PHASE 2A (7ZOlla \ x ,/ li Y` 25.4 ACRES+/- • ,y "WNCKIER DONA.GU B ,2" 3 (KERR-MCGE•ANADAR 0) SEPARATOR NORTH 3+00 -F0 1+0 1+0� , ' I ;•£- / 10'DIAMETER "INO YE 15-31•" TANK 3+56 I \ /} �- Mlhat'sbe14W. UNITED r a (K RR-MCG: Il Call Q POWER • - '} GaII before you dI' CL MAINTAIN 1 RR-MCG•' 12'DIA ETER (m Rstl MO W DITCH - Pt< t 0+00 r??. / '• TANK Z O SOUTH SN 36,7.THN.CORNER \ • \ H J O, SECTION 36,T.2N.,R.67W. - _ e f •• p SECTION 31,T.2N.,R.66W. 3 .■ MW-, a ' FOUND 2 1/2"ALUMINUM CAP 'Y' • O �, 36'.CMP ON#6 REBAR,L938046,2015 ®MW-3 SURVEY INFO: 3 GAS X GAS X-588'28"CAS 74'41.70'—XGA$ X J U •Ch C.: o I S8978.29'W 1335.55'- 2 / B- a. ■•' _ t '. KING SURVEYORS Z LLJ Z . - KERR-MCG v- 25'DIAMETER SOUTHWEST SIXTEENTH CORNER , 650 E.Garden Drive I Windsor.Colorado 80550 Z 2.5'DIAMETER �'' �ANADae,O 2+10 12"STEEL PIPE 1( SECTION 31,T.2N.,R,66W. I'l1 V . COMPRESSOR h (970)686-5011 email.Info 5 V COMPRESSOR KERR-MCGEE— ` I FOUND 2 ALUMINUM CAP \ Pone: @I4ngSulYe r 1 H o \ KERR-MCGEE ANADARKO ANADARKO '7 SEPARATOR ON#6 REBAR,LS 18475 \ yn s.cn n Q u r. 3 0 SEPARATOR / , I 12'DIAMETE0. //LIL�T CL I TANK V p I ��— 10'DIAMETER •\ \ — SSS E // CENTER-SOUTH SIXTEENTH CORNER I— V V =p� "��"FUNAKOSH' I - - 12'DIAMETER "VYNCKIER DONALD a TANK COLORADO '/ LEGEND 1 SAM GU SH _Y , TANK GU 6 N01" • DEPARTMENT SECTION 31,T.2N„R.6fiW. _ FOUND 2 1/2"ALUMINUM CAP OF EASEMENT FOUND C/BED CORNER o KP KAUFFMAN-\1 yy (KERR-MCG- \ 0'DIAMETER ON#6 REBAR,LS 30462,2007 TR4NSPORTATlGN AS DESCRIBED ey y 'NADARKO TANK '5E o Q CENTRAL COLORADO WATER m N MAINTAIN r u (BOOK/42i —--— SECTION LINE SET AUOUOT CORNER a CONSERVANCY DISTRICT CULVERT .... (REC.NO.397/696) QUARTER SECTION LINE a -� - . CITY Of''lY7RTLUPTON FOUND MONUMENT p FRESH WATER (REC NO./459047) / RIGHT-OF-WAY AS DESCRIBED CO 4 1 AC+/- PROPERTY UNE I•A +' NOUYE 44-36" / -■■■_ O SOILSCALC TYPEATED POSRION f (KP KAUFMAN IN ) / .(„M1{� PERMIT BOUNDARY 10 SOILS • Yry EXISTING CONTOUR CO I , w F / 4 / R RECORDED \` 7 ` NO DESCRIPTION REVISIONS DATE O RELOCATE ELECTRIC LINE — (1'INTERVAL) N I FROM THE SOUTH V1 n Io • ,C� P PLATTED 100 YR FLOODWAY _ �. / / M MEASURED 4+58 ps. 1+0•' 2 • 3+/' 4+00 B-6 —100 YR FLOOD PLAIN Cn I ' I I PHASE x • MW-3 a MONITORING WELL -- ( '4 ® BORE LOCATION �, / 0'4%- EXISTING GROUND SLOPE 'O SILT STORAGE ® MONITORING WELL • 15.4 ACRES+)- j / `� /' SOUTH PROPERTY OWNER O /: 7 0A. PL,97TE A. 13LLEY CD 4) /." HISTORICAL SOCIETY WEST SIXTEENTH CORNER Z I � SOUTHEAST CORNER SECTON 31,T.2N.,R.66W. (REC NO. O L, SECTION 36,T.2N.,R.fi7W. SECTON 6,T.1N.,R,fi6W. / 0 6854X1 1- FOUND 3 1/4"ALUMINUM CAP FOUND 2"ALUMINUM CAP I MW-5 ON#6 REBAR,LS 10855,1994 ON#6 REBAR,LS 25937,1984 3 __A CROSS SECTION CALL OCT - - - - VV U IE ONE - .-___.._ _ • - , CLIE OFI- -- E -- -:.ONE _ -, _.. - CME ONE - ONE ONE ONE OHE 4 E O I UNITED POWEROHE L'YI / Z 11L CITY OFFORTLON (REC.NO.(4590471 SOUTH QUARTER CORNER CO LOTB SECTION 31,T.2N.,0.66W. , EAST SIXTEENTH CORNER CENTRAL COLORADO WATER X SECTION 36,T.2N.,R.67 W. RE.Q7( CENTRAL COLORADO WATER CONSERV-1AC)'DISTRICT 1 280'w LLI SECTION 1,TAN.,R.fi7w. CONSERDANCYDIS7RILT •(JjEC.NO..7971696) FOUND DESIGNED BY:SjL_ DATE;JUNE.zma th FOUND 2"ALUMINUM CAP (REC NO,.797/696) •/•'' LLI ON#6 REBAR,LS 12330,1987 ON#6DWN BY: ARIL 1 VARIES FROM MINE PERMIT/PROPERIY UNE/ROW OR EASDAFNT,NO LESS THAN 20' CHE SCALE:CKED BY: ARR. AS NOTED FLOODPLAIN INFO: AFFECTED LANDS: NOTE: TEMPORARY TOPSOIL I -.12Z JOB NO.: 213.001.29 STOCKPILE I gZAO( DWG NAMECOVERMSAGCONDMON5IttWYEAIYG FLOODPLAIN INFO IS FROM - TRICYCLE LANE TEXAS LLC: - - CIVIL RESOURCES,LLC-IS NOT RESPONSIBLE FOR SAFETY,IN,ON,OR ABOUT THE - (WLI FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY - - = PANEL NO. 08123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. - - - -. DOSING GRADE CI) AND 08123C2104E GROUNDWATER SLURRY WALL J EFFECTIVE DATE: JANUARY 20,2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH 0.5 co ACCESS ROADS BESTWAY CONCRETE. BESTWAY WILL KEEP THE DIVISION OF RECLAMATION MINING TABLE EXISTING VEGETATION: 11 MINING ON; AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS 3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT co a AGRICULTURAL FARM LAND XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. m PROPERTY ADDRESS: ,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, ,,,,,,, APPLICANT: 12210 WCR 144 DEWATERING TRENCH, O FT LUPTON, CO.XXXXX BURNCO COLORADO, LLC POSITIVE DRAINAGE TO SUMP (RAC R�� SHEET: CO 301 CENTENNIAL DRIVE TYPICAL - TOPSOIL STOCKPILE AT EDGE OF MINING AREAS CROSS SECTION 3 N MILLIKEN, CO 80543 NOT SCALE CO 0) m RIGHT-OF WAY CENTER-EAST SIXTEENTH CORNER PER QUIT CLAIM DEED 100 yR'°<OOO SECTION 36,T.2N.,R67W. LGE4&RISTlNCCENTER-WEST SIXTEENTH CORNER EEC Na 02344482 \ `/ /1 COUNTY 145 LGEVEA/ST/NC SECTION 31,T.2N.,R.66W. \ N `vv�\J� LOTS flE/N LC EVER/ST GVC LGEvEAISTINC RE-4145 N8971'09"E 2767.61'- LGEVERISTINC SOC/TNPLATTE VALLEY 30'WITNESS CORNER RICHARD LOTS LOTA 20'WITNESS CORNER RE-4145 RE-4145 EAST QUARTER CORNER FOUND 2 1/2"ALUMINUM CAP HISTORICAL SOCIETY FOUND 2 112"ALUMINUM CAP ' SECTION 36,T.2N.,R.67W. ON#6 REBAR,LS 34980,2006 1 ON#6 REBAR,l5 30462,2007 •i 589'40'04"E 1317,54' / CIVIL / LLC CENTURY LINK 11 CENTURY LINK •�•�_• �� 30.00' / / / 322.09° 589'40'04'E 995.45' _. N8021'09"E 1518.0 G -��'-�-"�'`' •V'--- ---_ -ice 1249'60' _- - CENTER QUARTER CORNER RESOURCE '�. a - .. .•_ . __ __:.. ..-__ ...1409.79..... `�s•�I'�•�08.22N;,+ e,-'� .. � f / ,y\ SECTION 31,T.2N.,—"° �® - 323 5th STREET Fa .. .- 1Sl'! .. - - ` N89'21'09'E 653.74' ` -30.00• P.O.Box 680 _...__ W + _ - .'_ Mw-2 Cw`= .. Feb,-.5,, FREDERICK.CO 80530 %. 20.00' �, - - - SW v W • -'3` ` CI303.833.1416 3.833.416 CWC4VD - — q OOO • ®i��WATERUNE UIJITEDPOWER I. D ;.4 II "1 . k'qy WWW. ES.COM ALL \ :1 I / , 1 ////� t• y �\ .. \ EDGE OF X. / ) APPROX. f II \- 100 Cl Gl.) ,\_ SLURRY WALL • SLURRY WALL : FLO••ZONE• C - UNTIE. •WE �/\//\�' / FLOOD ZONE AE � BLANKET TRAIL \. \ II Ly •TZ III/K� EXIST:U •E• • 2 \ { \ • / UNLTE• •W • I • ti "IN•UYE 11-339" EASEMENT AGREEMENT. I GATI•N I E �'%AT 9 f REC,NO.4233870 LL: - d'^ ♦ • G7:S• • (E R-MCGEE \ '�I \ i� ' (E%ACTL•CATI•N ,FNA•A K•) W BURNCO COLORADO,LLC "I i•UVE 9.3,A" UNKN•WN) ` G I .I I \ SOUTTI PLATTE (K:RR-MCGEE • VALLEY 301 CENTENNIAL DR • DARKO) - / • N �♦' _ J / HISTORICAL \ MILLIKEN,CO 80543 ----( n �' I •!{. ry / SOCIETY • 970 587 7277 ',�� I I WELLT :E KER-MCGEE ANA • •A •K• G ASSH• E -!y I= /' NV / °�" (REC NO 0_'?68.548) \ CONTACT:MARK JOHNSON Q - M•VE••R ) //�/ . 11\,<, y W I m O F SURE ANA•A K• LSTEE�: aGE'.ECK n �% I} • / a Y 1 a jl pV II :� RECLAIM a / ECLAIM • / C t, 2 O ECLgIME• •ECLAIM 5 AC ES+/- / P•N•15.4 ACRES 4/- ' •N•25.4 AC ES+/- ,, IN UNITED POWER I III- , 1R I GAS LINE T•:E 'a �r 1 _ • '��%/////j/ M ER HUT M+VEa FUN E r � v •Z• // ////• *.�` , _ — •\ O I - \ •�',. "WNCKIE •• AL•GU:N�� / is ! - SEPARATOll • xi g•. `<�. I (KE -MC.EE ANA• NORTH �— - E ELEC CLINET•:E C.2 f 10.DIAMETER p' '8 O r+ • .•URI MINING HASE '� 1 • } °, TANK 7p�II before {II' UN loo • \ Ce - 12'DIAP�ETER Y86.— POWER �SGti• /SLUR YWALL - %/ • r TANK (m RON) Z wKORNER / IR N • SURVEY INFO: Z_ LU N I %—�I F••ND�E _s3. ,z•Ss _ r® .� (` — — / x l I{I1\TGSURVEYORS —3 589''41'30"E l %/// MW D U 'I ' (U +10 X X X X-58528'42'W 1441.70'—X X. X ��.'� 589'26'29"W 1335.55'— 1� G50 E.1970)6 Drive I Windsor,Colorado 805:+0 J.CF— ' - KERR MCG GAS GAS GAS GAS-- SOUTHWEST SIXTEENTH CORNER phone:(97(1)GSG-5111 I I email:InR•t?P,KIngSuneynts.cnm 0 W z w [m`yy T 2.5'DIAMETER ' ANAO •• 2'10 % 2,5 DIAMETER SECTION 3Y,T.2N.,R.66W. \ —\ a 13 V V- COMPRESSOR / KERR-MCGEE ANADARKO KERR-MCGEE— III COMPRESSOR FOUND 2"ALUMINUM CAP • H O r \7 ANADARKO 7 ) SEPARATOR ON#6 REBAR,LS 18475 • • \ 7L{�-� /C�L a I- '!", ,Q _SEPARATOR / \ a TA DIAMETER LEGEND v a ti V i9 j J iV I I - 10'DIAMETER \ V_SI G I "VYNCKIER DONALD J TANK COLORADO / N FOUND ALIQUOT CORNER L w1 H' Ul "FUNAKOSHI 12'DIAMETER CENTER-SOUTH SIXTEENTH CORNER EASEMENT AS DESCRIBED ,� n GU B N01. DEPARTMENT y SAM GU NO2. / TANK SECTION 31,T.2N.,R.66W. _,s KP KAUFFMAN O (KERR-MCGEE \ FOUND 21/2°ALUMINUM CAP OF - SECTION UNE SET ALIQUOT CORNER E6 FLN 4T% ANADARKO) 10'DIAMETER ON AR REBAR,LS 30462,2007 G TANK CENTRAL COLORADO WATER TRANSPORTATION QUARTER SECTION UNE AS DESCRIBED N N S.\y I (BOOK/4.1 O 2¢� COMER VANCY DISTRICT' FOUND MONUMENT y'<•S v �_ PAGF./44) RIGHT—OF—WAY m AS DESCRIBED GAS -- SxAS (REC NO.397/696) • CITY OFFORTLUPTON CL _ I _ -' (REC NO./459047) / PROPERTY UNE 0 CALCULATED POSITION COD ty4 VI e PERMIT BOUNDARY 10 SOILS TYPE id FP '7NOUYE 44-36" n ' ' �'S" / EXISTING CONTOUR r ; \ (KP KAUFMAN WELL) m m t R RECORDED \ (I'INTERVAL) N X4887— CO n \\\ N / /• P PLAITED 100 YR FLOODWAY REVISIONS C. $ g 0B-6 —. 100 YR FLOOD PLAIN M MEASURED NO DESCRIPTION DATE (A •LO BORE LOCATION / ni,\7' / ®MW-3 MONITORING WELL s MONITORING WELL cp CU RECLAIMED l 0'4E E%ISTING GROUND SLOPE SILT STORAGE R1' / SOUTH PROPERTY OWNER -- 15.4 ACRES+/- / ,,\Y PLA7lE V VALLEY' % / '' HISTORICAL / z' SOCIETY 0 Z o° (REC.NO. ZWEST SIXTEENTH CORNER / r 02268548)0 I SOUTHEAST CORNER SECTION 31,T.2N.,R.66W. SECTION 36,T.2N.,R.67W. SECTION 6,T.1N.,R.66W. 3 ~ FOUND 3 1/4"ALUMINUM CAP FOUND 2"ALUMINUM CAP / " 5 0 1 MW-5 ON#6 REBAR,LS 10855,1994 -J CROSS SECTION CALL OUT Z ON#6 REBAR,LS 25937,1984 O ? " • 280.00'_ U �., is ,._'- —ME' -,-QHE OHE OHE OHE 980 A41.14V ,•. ' OHE OHE qIE a .yr'irs'`R i4ar.ov (-J • UNWED POWER OHE / Z N89'42'57'W 1318,42'CITYOFFORTLUPTON • F- (REC NO.1459?47) SOUTH QUARTER CORNER CO LOTB SECTION 31,T.2N.,R.66W. EAST SIXTEENTH CORNER CENTRAL COLORADO WATER CENTRAL COLORADO WA TER LU SECTION 36,T.25.,R.67W. CONSERVANCF'DISTRICT RE--/971 CONSER V-1NC9 1695)DISTRICT R LLI SECTION 1,TAN„R.67W. (REC NO 3971696) DESIGNED BY:2._ DATE:Luxe 1018 ch FOUND 2"ALUMINUM CAP (REC NO 397/696) \ DRAWN BY: ABA SCAT F:AS NOTED LU ON#6 REBAR,LS 12330,1987 I 1 VARIES FROM MINE PERMIT/PROPERTY LINE/ROW OR EASEMENT,NO LESS 1HAN 20' CHECKED BY: AL_ AS NOTED C) LOB NO.: 213.001.29 FLOODPLAIN INFO: AFFECTED LANDS: NOTE: TEMPORARY TOPSOIL 30.0' STOCKPILE 30.0' DWG NAME:CLVES-EXISONGCM'DIIINLGINOVEDWG CO I• FLOODPLAIN INFO IS FROM TRICYCLE LANE TEXAS LLC: - CIVIL RESOURCES, LLC. IS NOT RESPONSIBLE FOR SAFETY,IN,ON,OR ABOUT THE _ __ _ _ _ ., _-_ _ 10.0' LLI FIRM FLOOD INSURANCE RATE MAP VARIOUS OUT BUILDINGS PROJECT SITE, NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANY SOONER - S PANEL NO. 06123C2102E LUPTON BOTTOM DITCH REGULATIONS THERETO. . _ EIKSTING GRADE COI AND 08123C2104E GROUNDWATER EFFECTIVE DATE: JANUARY 20, 2016 TRICYCLE LANE TEXAS LLC: THESE MAPS WERE PREPARED BY CIVIL RESOURCES, LLC. IN COOPERATION WITH SLURRY WALL WILL KEEP THE DIVISION OF RECLAMATION MINING TABLE RECLAMATION EXISTING VEGETATION: AND SAFETY INFORMED OF ANY CHANGES TO THE MINING OR RECLAMATION PLANS -3 TOTAL PERMIT AREA: THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS AND AMENDMENT I L I CD XXX ACRES APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. -a AGRICULTURAL FARM LAND 0.5 3 NPROPERTY ADDRESS: .,.,.,.,,„ •, ,1 o,,,•,•„ •,.,,.,,,,,•••,•••.••„•,,,,,,,,,,,,,,,,,••,,,,ow,,o•,.,.,,... ..........,.,. a APPLICANT: 12210 WCR 144 "" DEWATERING TRENCH, " o FT CLIFTON,CO. XX%XX — POSITIVE DRAINAGE TO SUMP BOTTOM OF SHEET: GRAVEL RESERVE BURNCO COLORADO,LLC ANDREW R RODRIGUEZ, P.E. DATE Co 301 CENTENNIAL DRIVE CIVIL RESOURCES, LLC. N TYPICAL - RECLAMATION CROSS SECTION MILLIKEN, CO 80543 (0NOT TO SCALE CO KO O.) 03 Er MW1 MW2 MW3 MW4 MWS WATER LEVEL C.--•/,...,"....-- CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES CIVIL RESOURCES EL=4886.6 EL.=4888.5 EL.=4889.45 EL.=4887.65 EL.=4890.45 AND DATE ° j 7/, ",,,,,/,y; D MEASURED CIVIL RES"DURCES, LLC _12-13-2017_..Y._ ,�/.[� 323 5th Box 68 STREET � - 12—,3-17� • P.O. K,CO 680 4 FRED 031.833 1416 330 12-13-2017 Z 12-13-17� - . s. — WWW.CIVILRESOURCES.COM 12-13-17 10 _- 6' 12-13-2017 r•.:<_J --,0 ." p . BESTWAY CONCRETE - .. �•: 5901 YORK STREET ' ••'@ DENVER,CO 80261 - P.: 303.288.7029 - CONTACT:MARKJOHNSON 20 .l'�'. - 20 _9 . 3B STANDARD SPLIT SPOON / 47 28 • SAMPLE. NUMBER INDICATES _� OF BLOWS OF A 140 LB _��/ '` '_ HAMMER FREE FALLING O - //////////// 30-INCHES WERE REQUIRED z Lu O 30 - 49 -�'I-45 _ - 30 TO DRIVE THE SAMPLER o. _ _ _ 1-FOOT. 0 i _ ......,..::',:,...:1,. 21 ,, — 1 21 i _ — o '3 z 2" 0 PIEZOMETER 10-SLOT Lu t- 40 V O 2185/10• 40 SCREEN INTERVAL >- D D O J a- LL _/ -- /�84/,0 %- NOTES: - - 80/11• — 50/ -. --- - - a 1. EXPLORATORY BORINGS WERE DRILLED DECEMBER 13, 50LP 92/„- _— — 77 TRUCK M2017 IOUNTED CME-HOLLOW STEM AUGERS USING A REVISIONS CO - NO DESCRIPTION DATE O LO - 2. LINES BETWEEN MATERIALS REPRESENT APPROXIMATE CB - BOUNDARIES BETWEEN TYPES. TRANSITIONS MAY BE GRADUAL. W 60 BO 3. GROUNDWATER LEVELS WILL FLUCTUATE. o BORE LOG LEGEND: -CT) / OVERBURDEN;CLAYEY SAND TO SANDY CLAY, 4. BORING ELEVATIONS ARE ESTIMATED FROM Z j MEDIUM SOFF YO STFF,SLIGHTLY MOIST To MOIST, TOPOGRAPHICAL MAPPING AND SHALL BE CONSIDERED Q BROWN(CL,SC) r__-__-___WCR14.5---- MW-21 APPROXIMATE. �O 8MW-1 U SAND:MEDIUM DENSE TO VERY DENSE,FlNE TO 9 Z COARSE GRAINED,LOCAL,GRAVELLY.LOCAL TRACE 0BH-1 r 0 , SILT, MOIST TO WET, BROWN(SP) L BH-3 `1 H BH-2 m X '� SAND AND GRAVEL; MEDIUM DENSE, FlNE TO COARSE I 'I _NOR Ili DESIGNED BY:DL DATE:MI...mie Ck �� GRAINED.MOIST TO WET,BROWN(SP.GP.SW,OW) 0AS NOTED W �� W BH-4 WBH-5 BH-6 CHECKED BY: SS- scA E:AS NOTED p B6 ]0B NO,: 213.001.29 U 0 DWG NAME:COVET-EX SI NGCOND81WIS.NOIYEGNL Cl) CLAYOTONE: FIRM TO VERY HARD,SLIGHTLY MOIST r ' TO MOIST,OLIVE GRAY TO DARK GRAY,MODERATE I I MW-� MW-4 ft TO HIGHLY PLASTIC S 5 I I I BORE LOGS c PERMIT WI BOUNDARY - a] a B-7 j ' B-Z I ow WhBt'S below. SHEET: `'4 I1S. . 7. KEY MAP Galin: we.: di. 5 MW-5 c74 a 0] 3 io TO y R 4020 a....";.,.- 5TkSTA: 1+34.454910E1 4864 STA: 90.181 STA: 4+58.37 1+29.64 EL 4890.18 EL 4890.00 EL- 4890.05 OHE EXISTING / 4900 CIVIL RESVURCES, LLC GRADE_ 1 --- --_ --------------------------------- 4890 PERMIT STA: 1+42.6 0.GL 1 E323 5th 680 � EL 4890.16 MINE SLOPE \ 4880 P.O STA: 0+00.00 STA: 1+82.22 STA: 4+58.37 FREDERICK,CO 60530 /EL 4855.62 EL 4855.57 EL: 4857.11 4870 303.833.1416 BEDROCK W W W.CIVILRESOURCES.COM 7777777777777777777777777777 777\7 7 77 1-17-71-7' / / 7 7777 7-7 / /7-7' / 1-7-7-7-t/777-77-77-77`7 / J 4860 4850 4840 4070 BURNCO COLORADO,LLC ti m m m C m Ld m w W m p �mLi' p m' m m •O :m m III II A U A II III II II II III n II II II II �I II �I II 301 CENTENNIAL DR, I+, w w w w w w w w w w w 1 CROSS SECTION MILLIKEN,CO 80543 w w w w 3 6 I: )R1 PM) 970 587 7277 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 4+50 5+00 CONTACT:MARK JOHNSON 4910 STA: 0+32.88 STA: 0+99.34 STA: 2+03.40 EL- 488B.71-\ EL•4888.71-N EL 4889.42 4900 4890 . GAS7 DOSING/ 0.5HaV� 4880 GRADE MINE SLOPE STA: 2+20.31 \ STA: 2+92.05 4870 Q EL: 4856.20 EL 4856.7 �DROCK 4860 77777777777711117117111111171111711 \17-7-7-1 / / /7-t/ w O 4850 Z J 4840 Z 4030 D J M O Lu i. m m 10' N m m m °m' w m m I'? ii 2 CROSS SECTION Z Q O o I--• 3I u u a Ws ti ti �1 ti ti 3 8 .:! 1CC w i a�1) C7 n- 0+00 0+50 1+00 1+50 2+00 2+50 3+00 —I L 4010 STA:0.206 5(A l+M]a _slA I+S2Ltl STA•2+IaBi SlA'1+7Fs) EL..yyu ¢-Anal/ Et ars ex, �r cz♦eesas 4900 DITD-I— 4890 STINGCs:, DO GRADE 3H:IV / SLURRY OHE OEN 2+star 4880 RECLAIM SLOPE O.SH:1V WALL PERMIT Et Est STA:2*5506�O MINE SLOPE I/ •• STA.amm 7 SM+ + � BOUNDARY �p;:•4MM 4870 Q.IBX.b EL IASA.% CO BEDROCK_ 4860 N / / / / / / / J/ 777777777 7-/777- 777777727777777777777777777777777 REVISIONS NO. DESCRIPTION DATE vf7 4850 m 4840 3 4030 o 117 r: n a r umi N n ,- II mµ m Y o0 m W m m m m m m e WI c9 ti. D w Q II II N �I II II II WI II UI UI II II II II Z w w CO w w w w w w w w 3 CROSS SECTION cn 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 3 6 I .j Z (a earl I- 0 Z 0 O O Z 4110 C J STA: 0+00.00 STA: 1+45.50 STA: 1+76.31 STA: 2+09.77 4900 WTEL 4887.52 EL 4867.7fi-EL: 4887.72 EL 4887.60 - W 7 STA: 1+98.00 4890 DESIGNED BY: DATE:JUNE.2018 O05116G > GRADE GAS-7 EL: 4887.51 4880 DRECKED BY: _ SCAT E:AS AS NOTED D Q 3H.iV O.SH:iV 1� 100 NO,: 213.001.29 U STA: 0+00.00 RECLAIM SLOPE MINE SLOPE Ef A: 5 SLURRY STA: 7 4870 -EL 4856.30 L 4856.71 WALL __/'-EL 4857.24 DWG NAME30VFAFX6NIG C0NDMOIGIMELIWG LU / / / / / / /7177ED7I7`7 / /77///7////77777 / /_/ / /77 4860 2 4850 w 4840 SECTION-1 co.3 4030 33u m m 5 5 m m m m m 3 CROSS SECTION ti �I a U LU U u UI 3 6 yr-d Is x,. p w w I IN MT) SHEET: M 0+00 o+so 1+00 1+50 z+oo 2+50 6 N N 2 tD m W 4ii-- - __-- -- - - -- - 4920 -271! 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STA: 0+75.16 4910 EL 4885.31 STA: 0+23.87 STA: 0+63.98 STA: 1+30.16 STA: 1+60.12 STA: 3+05.91 4900 EL: 4885.31 EL: 4885.14A EL: 4885.59 EL: 4885.47 EL: 4886.60 4890 WCR 14.5�� EXISTING) .O•my! SLURRY GRADE 4880 WATER LINE WALL 0.5K:11/_/\ 3H:14 4870 MINE SLOPE \ RECLAIM SLOPE Q STA: 0+00.00 STA: 1+80.6 STA: 3+05.94 4860 Q ELL 4843.971/ 843.971 EL 4844.35 BEDROCK EL: 4844.66 4850 W CY 777777777777777777777Y7777777 /77777-77 7-7777-7 4640 Z J LLI o 4830 > 4820 O W a II + + - + m v w + + v 4 4 n N N 5 CROSS SECTION z Q w a I �' omo2i T- w w w a 8 8 u ti III I �' ti It II II �I III -3 7 •- Js ]0 (2 w w w w w w (.eye) V 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 J 4920 L STA: 0+95.38 STA: 1+60.60 STA: 1+90.96 4910 STA: 0+00.00 _STA: +75.02 EL: 4888.39 EL' 4890.00 EL 4890.00 :4889.67 EL: 4888.50 4900 EXISTING /` DITCH GRADE M 4890 GO 01 STA: 0+00.00 4880 eii EL: 4860.00 SLURRY STA: 2+07.7 0.5H:iV \ 3H:14 STA: 3+06.99 4870 EL, 4858.25 STA 53.42 2 WALL MINE SLOPE RECLAIM SLOPE EL: 4854.60 /-'EL 4853.42 / 1/ REVISIONS 4860 NO DESCRIPTION DATE °' 777777777777777777777777777777777 777777/ / /777`77 / / / / / / / / /1 / 0 N BEDROCK 4850 Cp 4840 3 4030 O Ivl II a u �� I a a a II it < Y w w w 8 w w w 8 w 2 8 8 8 UI 2I 8 Z w w w 5 CROSS SECTION Z 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 4+00 3 7 9 Is io o IOPM H - 4920 O Z4910 O STA: 0+55.71 888.20 STA 0+75.90 STA: 1+05.2887,787 U EL: 4888.20 EL: 4887.94 EL: 4887.78 STA: 0+32.61 4900 0 Et: 4890.05 EXISTING Z STA: 0+18.03 GRADE 4890 F EL 4890.05 -cf,X WCR 14.5 PERMIT 4880 W EOA BOUNDARY SLURRY) /\J� DESIGNED BY:SyL_ DATE:3.133,2018 Cr WALL 1 \ 4870 DRAWN BY: 988. SCALE AS NOTED WATERLINE 0.511:14 PE J O MINE SLOPE \ RECLAIM 4860 CHECKED BY: al- 30B AS NOTED o RECLAIM SLOPE {(f-] �,t q y -�[-/--� —{. //��-�-{�.�/ 4880 NO.: 213.001.29 LLJ / 7 7 7 7 7 7 7/ 7 7 7 1 7 7 7 7 7 7 7/ 7 7� / ! / / / / /7 / / / f / DWG NAME;COVER EXISfIflGCOA'ORLONSINOIIYE.OWG 4840 W BEDROCK 2 4830 a2 4020 SECTION-2 wn .N m mm m m w m m U ti �I Y �1 �I 6I II II II II Y . S S w w. w w w w w w w w 5 CROSS SECTION =O 3 7 q I SHEET: 0 0+00 0+50 1+00 1+50 2+00 2+50 3+00 I is FernM 7 N a W L N 07 67. 0.' C...."9"..°."....MI CIVIL RESVURCES, LLC 323 5th STREET P.O.Box 680 FREDERICK,CO 80530 303.833.1416 WWW.CIVILRESOURCES.COM W.CIVILRESOURCES.COM BURNCO COLORADO,LLC 301 CENTENNIAL DR. 4910 MILLIKEN,CO 80543 970 7277 STA: 0+40.22 STA: 0+78.28 STA: 1+08.57 STA: 88682 CONTACT:587 7277HNSON \EL: 4887.73 \EL• 4886.80�EL: 4886.49 �EL• 4886.82 4900 1 4890 3H:1V GRADE 4880 SLUWRRLL� RECLAIM SLOPE ALL 4870 0.5H:1 V__)\ STA: 2+45.22 STA: 3+15.14 4860 STA: 0+00.00 MINE SLOPE STA: 1+28.56 EL: 4841.21 �EL: 48428. EL 4847-71 EL 4844'29 4850 777777777777777777 ) f 7C 7 7 / ff777777`7 / f / / / / // f / / / / 4840 0 BEDROCK 4830 12 4820 ce N a r m cx n a Ex m a n Lu N � N M m + +, Z J II 'm m ' 'm c " e m m a m' m ..,- c., 6, 0 CROSS SECTION W )'-I w w ti ti �I ti ti ti u ti a �I. ti L . )j �- G w w w w (6rssi J 0+00 0+50 1+00 1+50 2+00 2+50 3+00 3+50 O ; z I--1 Q a C7 D J L M a rn LO 0 REVISIONS a0 NO. DESCRIPTION DATE O N LO O) 3 -o >- 0 0 Z to Z 0 I- 0 z 0 0) 0 Z H Co EL DESIGNED BY:LL_ DATE:N.,zaa DRAWN BY: .688_ SCALE:AS NOTED W CHECKED BY: .00L_ AS NOTED OSOB NO.: 213.001.29 U DWG NAME:CIIREESISTIG CONOMONfr1NO01EAWG C/) F LLI W 2 Cn ; � SECTION-3 10 -om 0) a SHEET: O C J M N CO CO IN IN 0) m GROUNDWATER MEMO Burnco Colorado, LLC - Inouye Gravel Mine — MLRB 112 Permit Amendment Application A lib May 30, 2018 Mr. Mark Johnson, Compliance Manager Burnco Colorado, LLC 301 Centennial Drive Milliken, Colorado 80543 RE: Inouye Gravel Mine - Mitigation Plan for Potential Groundwater Impacts Dear Mr. Johnson: The purpose of this memo is to describe the existing groundwater regime in the vicinity of the proposed Inouye Gravel Mine (Site) and the groundwater impacts that could result from soil-bentonite slurry wall (slurry wall) lining and mining at the proposed Inouye Gravel Mine. The site is located at and in the vicinity of 12210 Weld County Road (WCR) 14.5 in Weld County, Colorado. More specifically, the site is within parts of Section 31, Township 2 North, Range 66 West; and Section 36, Township 2 North, Range 67 West of the 6th Principal Meridian. Existing Groundwater Conditions The near surface groundwater is part of an alluvial aquifer in which permeable sand and gravel alluvium overlies relatively impermeable bedrock of the Laramie Formation and/or Denver/Arapahoe Formations. Groundwater measured in five site monitoring wells occurs at depths ranging from approximately 5 to 9 feet blow existing ground. The prevailing groundwater flow direction at the Inouye Gravel Mine area is north - northeasterly roughly reflecting the site topography. Groundwater in the area is tributary to the South Platte River located east and northeast of the site. Locally the groundwater levels and flow directions are likely influenced by: ➢ The South Platte River is east of the site. For most of the year, the river likely acts as a drainage way maintaining groundwater levels at elevations greater than water elevations in the river. In shorter periods of high run off, usually in the spring, river water levels will locally recharge the groundwater table. ➢ The Lupton Bottom Ditch traverses the site from south to north between the northwest and northeast cells. Where the ditch enters the site on the south, the ditch is raised relative to the surrounding land. In this south area, seepage from the ditch likely recharges the groundwater table. Progressing to the north, the elevation difference between the ditch and surrounding land becomes more subdued and the ditch may behave more like a drain maintaining groundwater elevations at or above the ditch water levels. ➢ An unnamed drainage way is present on the west part of the site. This drainage enters the site in the southwest area and traverses the site in an east -northeasterly orientation before turning a more northerly direction and exiting the site on the north. This drainage likely maintains groundwater levels at or above the water levels in the drainage. This drainage will be relocated to the west boundary of the site. Page 2 Mr. Mark Johnson May 30, 2018 ➢ Two off site ponds are located immediately adjacent to the mine property on the west side of the site. These ponds likely reflect groundwater levels in the area and appear to drain into an off -site drainage ditch located immediately west of the western mine boundary. ➢ Irrigation: The site is located in an area of irrigated pasture and cropland. Applied irrigation that is not lost to evaporation and transpiration likely recharges the groundwater. ➢ Alluvial Wells: Other than the five monitoring wells drilled at the site for monitoring groundwater levels, there are only two domestic wells permitted within 600 feet of the mine property. One of these wells is on -site at the former Inouye residence and is now owned by the property owner. The other well is located on the north side of WCR 14.5 in an area where a former farm house was demolished. This north well is reportedly ten feet deep and is owned by L.G. Everist. If pumping, groundwater will be drawn to the wells. Monthly groundwater level monitoring has been performed from January, 2018 to May, 2018 at the five monitoring wells drilled at the site. Average groundwater elevations are presented in the following table: Average Level (January to June, Well 2018) MW -1 4880.8 MW -2 4878.8 MW -3 4882.0 MW -4 4882.6 MW -5 4884.5 The groundwater levels above indicate the north -northeasterly flow of groundwater at the site. Mining Plan Three cells will be mined at the site. The northwest and northeast cells will be lined with slurry walls. The southeast cell will not be lined. The cells will be mined to bedrock that ranges from approximately 20 to 46 feet in borings drilled at the site. Potential Slurry Wall & Mining Impacts to Local Groundwater Levels At the northwest and northeast cells, a properly constructed slurry wall will tend to isolate these cells from the surrounding alluvial groundwater table. The slurry wall around these cells could cause "mounding" of groundwater (increase in groundwater elevation) on the upgradient side (south and southwest) of the proposed slurry wall and a potential "shadow effect" (reduction in groundwater level) on the downgradient side (north and northeast) of the Site. Because the slurry wall will tend to isolate these cells from the surrounding groundwater table, the effects of dewatering when mining the northwest and northeast cells will tend to not extend beyond the slurry walls. Any mounding effect on the upgradient side of the northwest and northeast cells is anticipated to be on the order of a few feet or less and will dissipate with distance from the mine. The mounding may affect the west part of the mine property in the form of higher water levels and increased flows in the west drain. Similarly, the mounding on the south side of the southeast cell may result in higher water levels that could surface in the ditch located between the southeast cell and the Fort Lupton facility located to the south. The Page 3 Mr. Mark Johnson May 30, 2018 shadowing affects will be minimized by the presence of the South Platte River on the east and northeast, the Lupton Bottom Ditch between the cells, and the drainage on the west site boundary. Dewatering of the unlined southeast cell will result in decreases in water levels around this cell. No wells are permitted within 600 feet of this cell. Area Wells and Sub -Surface Structures A review of permitted wells on file at the State engineer's Office (SEO), Division of Water Resources (DWR) indicates there are two permitted domestic wells within 600 feet of the permit boundary (not including the 5 monitoring wells). Both of these wells are screened in the alluvium. As mentioned above, the land owner owns the well that was formerly the Inouye domestic well. The other well, owned by L.G. Everist, is located north of WCR 14.5 on the northwest part of the mine (cross gradient of the mine). This well is 10 feet deep and is in the area of a demolished farm house. Review of the Weld County Tax Assessor files indicates there is only one sub -surface structure within 600 feet of the mine. This is the basement associated with the Inouye farm house now owned by the property owner. Mitigation Plan The site mining and reclamation activities are unlikely to adversely affect the two permitted area wells located within 600 feet of the mine. The former lnoyue well is owned by the property owner. The L.G. Everist well is cross gradient of the site and will likely be recharged from the relocated ditch to be constructed on the west side of the site. However, if the miner receives a complaint, the following mitigation plan will be implemented. The site monitor wells will be measured monthly to identify potential changes in alluvial groundwater flow or elevation associated with mining and reclamation activities. Baseline data collected from the monitoring program will provide a range of relative water levels associated with premining groundwater conditions. Experience at other mines in similar geologic settings has found that groundwater levels tend to fluctuate being highest in the summer irrigation season and lowest in the winter and early spring. If, during mining or reclamation, the relative seasonal groundwater elevation at any monitoring wells differs from baseline conditions by more than 2 feet, and the condition was not observed during baseline monitoring, or if the miner receives a complaint from any well owner within 600 feet of the site boundary, then the miner will evaluate the cause and take action within 30 days and notify the DRMS. After the DRMS has been notified, the miner will review the data and available information and submit a report to the DRMS within 30 days. The evaluation will include discussions with the well owner who has contacted the miner regarding a concern and review of baseline data from the well and vicinity to evaluate whether changes may be due to seasonal variations, climate, mining, slurry wall lining or other factors. The report will identify the extent of potential or actual impacts associated with the changes. If the extent of groundwater changes due to mining or reclamation activities is determined to be a significant contributing factor that has or may create adverse inpacts, the mining associated impacts will be addressed to the satisfaction of the DRMS. Miner will begin implementing one or more mitigation measures if mining and reclamation activity is determined to be a significant factor to groundwater changes requiring mitigation. • Page 4 Mr. Mark Johnson May 30, 2018 Mitigation measures may include, but are not limited to: Placing water in a recharge pond to raise groundwater levels around the well. Cleaning the well to improve efficiency. Providing an alternative source of water or purchasing additional water to support historic well use in terms of water quantity and quality. If needed, water quality parameters will be checked in affected wells to ensure alternative sources support historic use. Modifying a well to operate under lower groundwater conditions. This could include deepening the well or lowering pumps. All work would be done at the miner's expense with the exception of replacing equipment that was non-functional prior to mining. It existing wells cannot be retrofitted or repaired, replacing the impacted well. Please call if you have any questions. Sincerely, CIVIL RESOURCES, LLC Gary Linden, P.G. J:1Bestway-21311nouyelgroundwaterlg roundwater-memo) nouye.doc Hello