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TUCSON SOUTH RESOURCE
<br /> PRE-MINING AND MINING PLAN MAPS
<br /> i
<br /> MINING NOTES _-
<br /> CIVIL RESOURCES
<br /> 1, REFER TO EXHIBITS C-2,C-3 AND C-4 FOR ADJACENT PROPERTY OWNERS,SOURCE OF
<br /> SURVEY/TOPOGRAPHY,AND BENCHMARK INFORMATION.
<br /> �w 2. ANU ENGINEERING STABILITY ANALYSIS FOR SLIDING NOT
<br /> N HAS BEEN PERFORMED- MINING 8308 COLORADOSUITE
<br /> 200 BLVD
<br /> OCCURRING WITHIN 200'OF A MAN-MADE STRUCTURE NOT OWNED BY THE APPLICANT/OPERATOR SUITE 200
<br /> HAS ADEQUATE SETBACK FOR SLIDING FAILURE. THE LIMIT OF MINING EXCAVATION PER THE FIRESTONE,CO 80504
<br /> Aib, t GEOTECHNICAL SLOPE STABILITY ANALYSIS IS SHOWN ON EXHIBITS C-2,C-3 AND C-4. 303.833.1416
<br /> W W W.CIVILRESOURCES.COM
<br /> - - 3. FOR THE WEST AND EAST CELLS,THE OPERATOR WILL USE DRY MINING TECHNIQUES AND
<br /> EXCAVATE MATERIAL BY BACKHOE,BULLDOZERS, AND SIMILAR EQUIPMENT. THE MINING FOR
<br /> THESE PHASES WILL INVOLVE INSTALLATION OF A SLURRY WALL,DE WATERING ACTIVE MINE
<br /> AREAS AND PUMPING IN ACCORDANCE WITH THE DISCHARGE PERMIT
<br /> a
<br /> 4. TOPSOIL AND OVERBURDEN STOCKPILES SHALL BE TEMPORARILY STORED IN THE AREAS
<br /> I SHOWN. THE STOCKPILES IN THE FLOODPLAIN SHALL BE ALIGNED PARALLEL TO THE FLOOD FLOW
<br /> DIRECTION OF THE S.PLATTE RIVER,HAVE MAXIMUM HEIGHT OF 30%A MAXIMUM LENGTH OF
<br /> AO
<br /> i 300',MAXIMUM 3H:1V SLOPES,AND A MINIMUM OF 100'BETWEEN STOCKPILES.
<br /> S. OVERBURDEN AND TOPSOIL STOCKPILES ABOVE EXISTING GRADE,THAT ARE EXPECTED TO BE
<br /> *.> PRESENT FOR OVER 1 YEAR,WILL BE SEEDED WITH A TEMPORARY SEED MIX AS WEATHER
<br /> I PERMITS. AGGREGATE INDUSTRIES
<br /> T - - - 1687 COTE BLVD,STE 300
<br /> --•`' I 1 I ex- 6. OVERBURDEN AND TOPSOIL STOCKPILES MAY BE STORED IN THE BOTTOM OF THE MINING GOLDEN,COLORADO 8a0
<br /> I CELLS IN EAST AND WEST MINING AREAS AS LONG AS THE TOP OF THE STOCKPILES ARE BELOW 214-213-7859(P)
<br /> I I THE PRE-MINING SURFACE ELEVATION. KIMBERLY DENN15
<br /> I I Y y 7. STOCKPILED TOPSOIL WILL BE SEGREGATED FROM OTHER SOIL.
<br /> 8. THE OPERATION WILL INVOLVE CONCURRENT MINING AND RECLAMATION WITH FINAL SLOPES
<br /> BEING 3H:1V,AND PLACEMENT OF 6"TO 12"OF TOPSOIL ON ALL RECONSTRUCTED AREAS ABOVE
<br /> L; I I - I - THE PROPOSED HIGH WATER LEVEL OF THE FUTURE RESERVOIR;AND OTHER DISTURBED AREAS LU
<br /> TRACT N - - - - _- I AS NECESSARY.
<br /> L 9. CIVIL RESOURCES,LLC IS NOT RESPONSIBLE FOR SAFETY,IN,ON,OR ABOUT THE PROJECT
<br /> w I I _ - - _ SITE,NOR FOR COMPLIANCE BY THE APPROPRIATE PARTY OF ANV REGULATIONS THERETO. V
<br /> 1
<br /> I z ( I I I 10. A MINIMUM OF TEN(10)FEET OF CLEARANCE FROM ANY EXISTING POWERLINE OR FUTURE
<br /> I _ POWERLINE SHALL BE MAINTAINED AT ALL TIMES AS OUTLINES BY STATE STATUES. ^
<br /> - - - - I In
<br /> 11. UTILITIES SHOWN ON THIS PLAN WERE FIELD LOCATED AT THE TIME OF PLAN PREPARATION. (n
<br /> 1-_ I FOR SAFETY,THE OPERATOR SHOULD LOCATE UTILITIES PRIOR TO SLURRY WALL CONSTRUCTION, LI.I V
<br /> OR MINING ACTIVITY.
<br /> .. - • 12. PRIOR TO DISTURBANCE OF ANY WATERS OF THE U.S.AGGREGATE INDUSTRIES,INC WILL = H
<br /> GET APPROPRIATE APPROVALS FROM THE U.S.ARMY CORPS OF ENGINEERS. m
<br /> 13. NO IRRIGATION DITCHES WILL BE DISTURBED. LATERALS THAT SERVE THE PROPERTY WILL
<br /> BE REMOVED. 0 X
<br /> 14. THE MAXIMUM SLOPE ON EASTERN HIGHWALL EXCAVATIONS THAT ARE 400 FEET OR LESS Z W
<br /> FROM THE SOUTH PLATTE RIVER SHALL NOT EXCEED 3H:1V BETWEEN APRIL 1 AND SEPTEMBER 30. 0
<br /> / \ 15. THE MINING LIMITS SHOWN HEREIN ASSUME SIDE SLOPE AND 3H:1V(EAST AND WEST (n
<br /> i \ I AREAS)AS DESCRIBED IN THE SLOPE STABILITY AND SETBACK UPDATES MEMO(TETRA TECH,NOV V
<br /> B.2019). DEVIATIONS FROM THE ASSUMPTIONS MADE IN THE MEMO IMPACT THE ALLOWABLE
<br /> - S GEOTECHNICAL SETBACK. THIS MEMO DOES NOT DOCUMENT SETBACKS THAT ARE BASED ON
<br /> MUTUAL AGREEMENTS OR ADAMS COUNTY REGULATIONS.
<br /> Sheet Lill Table
<br /> S NUNBER SHEET
<br /> C-T
<br /> C-1 EXMR COVER SHEET C COV SHEETET&B MINING NOTES REVISIONS
<br /> I -- C-2 EXHIBIT C PRE-MINING RAN WEST AREA No DESDUPTI
<br /> B I111m I 01 C-3 EXHIBIT C ME-MINING EAST AREA
<br /> 500 I I
<br /> C-4 EXHIBIT C PRE-MINING PIAN WEIR COUNTY CONVEYOR AREA
<br /> C-5 EXHIBIT C WEST AREA MINING PLAN
<br /> GRAVEL MINING APPLICANT/OPERATOR: UTILITY INFORMATION c-6 EXHIBITCEASTAREAMINIMKAN
<br /> C-7 EXHIBIT C WELD COUNTY CONVEYOR AREA MINING PLAN
<br /> AGGREGATE INDUSTRIES-WCR.INC. UTILITY INFORMATION TAKEN FROM THE TUCSON SOUTH ALTAMSPS MINING AREA ACREAGE TABLE: c-e EXMDYT C MINING RAN DETAILS
<br /> 1687 COLE BLVD,STE 300 LAND TITLE SURVEY DATED SEPTEMBER 7.2018 BY CIVIL ARTS AND MINED
<br /> GOLDEN,COLORADO 80401 STRUCTURES SURVEY DATED SEPTEMBER 2,2021. AREAJPHASE TRACT PERMIT BOUNDARY AFFECTED AREA AREA
<br /> SURFACE OWNERS: A 82.6 82.6
<br /> WEST/ B 1.0 137.6 1.0 89.6 74.0
<br /> AGGREGATE INDUSTRIES-WCR.INC.(TRACTS A,B,D,E,F,H,AND M) PLEASE REFER TO SHEETS C-2,C-3 AND C4 FOR ADJACENT PHASEI C 5.0 5.0
<br /> 1687 COLE BLVD,STE 300 PROPERTY OWNERS WITHIN 200'OF PERMIT BOUNDARY.ADJACENT
<br /> GOLDEN,COLORADO 80401 PROPERTY OWNER INFORMATION WAS PROVIDED BY ADAMS
<br /> COUNTY AND WELD COUNTY RECORDS. D 14A 14.4
<br /> T` CITY OF AURORA(TRACTS C.G,K AND N) E 30.7 30.7
<br /> 15151 EAST ALAMEDA PARKWAY,STE 3600 EAST/ F 29.6 139.4 29.6 139A 83.8
<br /> AURORA,COLORADO 80012 PHASE2
<br /> G 1.8 4.9
<br /> FLOOD HAZARD LEGEND: H 32.6 32.6 DRAWN eY: a DATe:AUGUST 21
<br /> ADAMS COUNTY(TRACTS L 8 O)
<br /> ADAMS COUNTY GOVERNMENT CENTER EFFECTIVE ZONE AE:AREA OF 1%ANNUAL CHANCE FLOOD WITH M CHECKED BY: yL SU1INOTED
<br /> 3 4/30 SOUTH ADAMS COUNTY PARKWAY BASE FLOOD ELEVATIONS DETERMINED.AS SHOWN ON FEMA FIRM N 3.1 3.1 AS NOTED
<br /> BRIGHTON,COLORADO BD601 (MARCH 15,2007) O 0.1 0.1
<br /> JOB NO.: 297.003.09
<br /> DWG NAHE:
<br /> YOSHI 8 SUZU,LLP(TRACTS P A Q) EFFECTIVE ZONE X'.AREAS OF 0.2%ANNUAL CHANCE FLOOD',AREAS CONVEYOR P 0.1 7.7 0.1 7.7 OG
<br /> PO BOX 508 OF 1%ANNUAL CHANCE FLOOD WITH AVERAGE DEPTHS OF LESS 2A 2.9 CERTIFICATION:
<br /> BRIGHTON,CO 80601 THAN 1 FOOT OR WITH DRAINAGE AREAS LESS THAN 1 SQUARE MILE: R 1A 1.1
<br /> AND AREAS PROTECTED M FIRM( FROM 1%ANNUAL CHANCE 1 .1
<br /> THIS MAP WAS PREPARED BY CIVIL RESOURCES,LLC IN EXHIBIT C COVER
<br /> 507DOROTHYCOUNTY
<br /> AND DAMES STRUCK(TRACT R) FLOOD.AS SHOWN ON FEMA FIRM(MARCH S.2007) COOPERATION
<br /> WITH AGGREGATE INDUSTRIES-WCR,INC
<br /> 507 COUNTY ROAD 23.5 TUCSON ST L 2.9 2.B 2.9 2.9 0.0 AGGREGATE INDUSTRIES-WCR.INC.WILL KEEP THE DIVISION OF
<br /> BRIGHTON,COLORADO 80603 EFFECTIVE FLOODWAY:THE FLOODWAY IS THE CHANNEL OF A TOTALS 287.6 238.6 155.8 RECLAMATION.MINING.AND SAFETY INFORMED OF ANY CHANGES TO SHEET&MINING
<br /> STREAM PLUS ANY ADJACENT FLOODPLAIN AREAS THAT MUST BE THE MINING OR RECLAMATION PLANS THROUGH ANNUAL REPORTS
<br /> TOBY STRUCK(TRACT S) LEFT FREE OF ENCROACHMENT SO THAT THE 1%ANNUAL CHANCE AND FILE TECHNICAL REVISIONS OR AMENDMENT APPLICATIONS AS NOTES
<br /> .¢ 527 COUNTY ROAD 23.5 FLOOD CAN BE CARRIED WITHOUT SUBSTANTIAL INCREASES IN NECESSARY THROUGHOUT THE LIFE OF THE MINE.
<br /> BRIGHTON,COLORADO 80603 FLOOD HEIGHTS,AS SHOWN ON FEMA FIRM(MARCH 5,2007)
<br /> ". OWD92021 1
<br /> - PRE-PROJECT/MINING CONDITIONS.AREA IF 1%ANNUAL CHANCE GARV LINDEN DATE KI1aw .w1utS fJBIOW
<br /> FLOODPLAIN PER TETRA TECH STUDY(NOV.2018 OR AS REVISED) �II �youf
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