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7370(-- <br />/ <br />7360.00 PROPOSED SURFACE <br />7350.00 <br />PREPARE SUBGRADE PER NOTE 3 HEREON EXISTING SURFACE <br />- - - . <br />7340.00 <br />7330.00 <br />\ 25' 1 <br />7320.00 _ - � � i � <br />\ UNDERDRAIN <br />0.8 <br />7310.00 OVERALL SLOPE <br />7300 GU <br />,y 50' <br />DATUM AMEV <br />74WO. 00 <br />0.00 20.00 40.00 60.00 80.00 100.00 120.00 140.00 160.00 180.00 200.00 TOP AND BOTTOM BENCH <br />scct>a e <br />HEIGHT AND NUMBER OF <br />BENCHES VARY (TYP.) <br />TEMPORARY WASTE ROCK STORAGE CROSS SECTION A -A' <br />SCALE: V =30' <br />EXCAVATE BENCH SURFACES TO RETAIN <br />\ \ \ \ \ \ \ \ \ \ RUNOFF FOR USE BY VEGETATION <br />MAIN ACCESS ROAD TYPICAL CROSS SECTION <br />\\ SCALE 1 " =30' <br />B LD . <br />WASTE ROCK <br />TILISUPSLOPE <br />• NITIQLt ATION OF EXCESS CUT MATERIAL <br />' - FROMACC€�5 ROAD. GRADE TO DRAIN TO <br />CENTER AND FQWARD SEDIMENT POND B <br />, <br />■ X00 •�`� `� \ \ \ \ \ �. '§� \ \ / / / \\ \\ _ /� \� \ 1 I �, <br />■ UNDERDRAIN OF COARSE 6" MEDII <br />DIAMETER ROCK WITH LESS THAN 10% - _ \ \� \ \ _ / / I \ \ I \ \ <br />PASSING THE #200 SIEVEIN THALWEG <br />TO CONVEY SUBSURFACE FLOWS �• \ \ \ \ \ / / 1 I 1 — -- \ ) \ <br />■ SEDIMENT POND B (TEMPORARY) <br />■ (SPILLWAY ELEVATION X10' <br />\ I FROM STREAM BED <br />\ \� <br />APPROXIMATE HAUL ROAD BOUNDARIES �\ �\ \ \ \ \ - _ p ( ROAD CpMSTRUCTIOND M�1tJ ACCESS ROAD \ \ 1\ \\ \I \ \\ \ \ <br />■ \ \ \ \ \ _ _ (DETAILS EXHIBIT C-29) ` \ _ �\ \ \ WILL OCCUR SIMULTANEOUSLY (PERWINIENT) \ \ \ \ \ \ <br />WITH ROADCON§TRUCTION, \\ \\ \ \ \\ \ \ <br />(SEE EX. C728� \ \ 1 \ \ \ \ <br />UNDISTURBED AREA RUNOFF WILL FLOW \ <br />ONTO VEGETATED BENCHES �qq� <br />a mono <br />\ \ \ \ \ <br />I II 6b - \ <br />A \ <br />v\\ \ OUNDARY OF DISTURBANCE NECESSARY \ <br />` � \ <br />TO CCN TRUCT MAIN ACCESS ROAD <br />- %0�"7 <br />\ { POROUS RO.K CHECK DAMS <br />----------------------------- -. \ — <br />\ \ � I L\ \ AT 50' INTERVALS IN � \ <br />ROADSIDE DITCHES DITCHES PER DETAIL \ \ <br />P_ 5 s )1 <br />LEGEND -YG <br />- s \ - <br />.. .. .. .. PERMIT BOUNDARY / \ D `sF / <br />.. ` <br />MINING LIMITS •�\ S \ i / <br />F $sue <br />RIGHT OF WAY <br />PAVED ROAD <br />------------------------- _ UNPAVED ROAD <br />- - - - - - - DITCH /WATERWAY <br />- - - - - - - DIVERSION DITCH <br />FLOW DIRECTION <br />EXISTING INDEX CONTOUR <br />EXISTING INTERMEDIATE CONTOUR <br />PROPOSED INDEX CONTOUR <br />PROPOSED INTERMEDIATE CONTOUR <br />EXISTING STRUCTURE <br />SF SF SILT FENCE <br />STREET LIGHT <br />O <br />(IN PROXIMITY TO AFFECTED LAND) <br />OHU OHU OVERHEAD UTILITY <br />5 5 SEWER LINE (UNDER CONSTRUCTION) <br />CONSTRUCT 90 LF. 24" CSP CULVERT WITH <br />FLARED END SECTIONS <br />ACCESS POINT ONTO COOT ROW AND SH 119 <br />LAT. 39.760630 LONG. 105.419230 <br />NEW ACCELERATION /DECELERATION LANES <br />PER COOT PERMIT REQUIREMENTS <br />TEMPORARY SEDIMENT POND A <br />(SEE DETAILS EX. C-28) <br />EXTEND EXISTING 6'X8' CBC AND <br />WINGWALLS FOR DECEL LANE <br />GRAPHIC SCALE <br />loo 0 50 100 zoo <br />( IN FEET ) <br />1 inch = 100 ft. <br />CONTOUR INTERVAL = 5' <br />- V. <br />S Oy(f \ <br />\ S <br />Oh�ej- <br />li <br />vv I I 1 <br />- CON5TRUCTI IPRAPPADSATCULVERT - - - -- - - <br />INLETS /OUTLETS UNLESS CHANNEL \ \ <br />IS LOCATED IN ROCK _ - _ \ <br />CONSTRUCT 90 LF. 84" C5P \ <br />CULVERT WITH WIN& WALLS <br />I� 50' TYPICAL SPACING - <br />2 <br />?.I -- 4.3 <br />--------------- <br />ROCK CUT <br />PARTIAL PROFILE OF DITCH BOTTOM <br />NOTE: <br />CONSTRUCT DAMS OF TYPE VL RIPRAP (D -50 = 6 ") <br />(AAA <br />ACCESS <br />ROAD <br />CENTER <br />LINE <br />3' 14' 14' 3' <br />POROUS ROCK CHECK DAMS � <br />ACCESS ROAD CUT SECTION <br />POROUS ROCK CHECK DAMS DETAIL <br />SCALE: V =10' <br />FABRIC MATERIAL <br />STEEL OR 2 "x4" WOOD POST (ANCHORED IN TRENCH) <br />(ANCHORED TO FABRIC) <br />= I <br />1. EXCAVATE TRENCH, <br />4" MINIMUM DEPTH <br />4 "x4" TRENCH <br />COMPACTED <br />BACKFILL <br />-. FLOW <br />1 /2H (12" MIN) <br />CR055- SECTION VIEW <br />-NTS- <br />ti <br />4 NOTE: EROSION CONTROL MEASURES <br />SHALL BE MAINTAINED UNTIL <br />N LANDSCAPING IS COMPLETED, <br />SILT FENCE INSTALLATION <br />ar; <br />BALE WID1n <br />4" (MIN) <br />2. PLACE AND STAKE <br />STRAW BALES <br />T IN ROCK <br />2114 , STAKE OR STEEL P05 <br />511)-50 LB, STRAW BALE <br />STRAW BALE NOTES: <br />1. INSPECTION, REPAIR, AND REPLACE <br />(IF NECESSARY) THE BALES AFTER EACH <br />STORM EVENT. <br />2. ALL BALES MUST BE REPLACED AFTER 12 <br />MONTHS UNLESS APPROVAL IS GRANTED BY <br />THE ENGINEER FOR LONGER USE. <br />STRAW BALE INSTALLATION DETAIL <br />CONSTRUCTION BMPS <br />\ \ \ \ Permit #: •'- 7 Confidental ?: <br />Class: Type -Seq.: <br />From: To: <br />Doc. Name: E C- <br />\ Doc. Date (if no date stamp): p <br />Specialist: <br />BACKFILL <br />vV ` '.FILL AND COMPACT EXCAVATED <br />RECEIVED <br />OCT 2 4 2005 <br />Dn"SIOn Of Minerals and Geology <br />I I 21 - <br />14' <br />ACCESS ROAD CENTER LINE <br />PLAN <br />NOTES: <br />1. EXCAVATED MATERIAL WILL BE HAULED OFF -SITE OR PLACED IN TEMPORARY <br />STORAGE AREAS UNTIL WASTE ROCK AREA I5 OPENED. THE WASTE ROCK AREA WILL <br />BE USED FOR TEMPORARY STORAGE OF USEABLE ROCK UNTIL THE PROCESSING AREA <br />IS OPERATIONAL, AND FOR PERMANENT STORAGE OF UNSUITABLE MATERIAL. <br />2. APPROXIMATELY 500,000 CU. YD. OF EXCESS CUT MATERIAL FROM HAUL ROAD <br />CONSTRUCTION TO BE PLACED IN WASTE ROCK AREA. <br />3. WASTE ROCK PILE FOOTPRINT WILL BE STRIPPED OF SOIL, VEGETATION AND SNOW <br />OR ICE DOWN TO STABLE BEDROCK PRIOR TO PLACING WASTE ROCK. THE USEABLE <br />SOIL WILL BE STOCKPILED FOR USE IN REVEGETATION. A 6EOTECHNICAL <br />INVESTIGATION WILL BE COMPLETED BEFORE WASTE ROCK PLACEMENT TO <br />DETERMINE SLOPE STABILITY. BENCHING OF THE 5UBGRADE WILL BE COMPLETED IF <br />REQUIRED FOR WASTE ROCK PILE STABILITY. <br />4, FINAL DE516N OF SEDIMENT PON05 WILL BE AS REQUIRED BY COPS PERMIT. <br />5. ACCESS ROAD DITCHES WILL BE INSPECTED FOLLOWING SIGNIFICANT RUNOFF <br />EVENTS AND SEDIMENT REMOVED IF REQUIRED. <br />NAME <br />TITLE <br />PREPARED UNDER THE SUPERVISION OF: <br />DATE <br />REVISED EXHIBIT C -2A: CONSTRUCTION OF MAIN ACCESS ROAD <br />:: <br />BANKS AND GESSO, LLC CLEAR CREEK DISTRICT WATER PROVIDERS, LLC. MMRR QUARRY <br />720 KIPLING St., SUITE 117 DMG REGULAR 112 PERMIT APPLICATION <br />LAKEWOOD, COLORADO 80215 5460 SOUTH QUEBEC ST. SUITE 110 GILPIN COUNTY <br />(303) 274 -4277 GREENWOOD VILLAGE, CO 80111 COLORADO <br />J08 NO DATE SCALE DRAWN BY DESIGNED BY APPROVAL REV SHEET <br />03047 9/23/05 1" =100' DRF 2of5 <br />v <br />l <br />v <br />\ <br />I I <br />I I <br />Oh�ej- <br />li <br />vv I I 1 <br />- CON5TRUCTI IPRAPPADSATCULVERT - - - -- - - <br />INLETS /OUTLETS UNLESS CHANNEL \ \ <br />IS LOCATED IN ROCK _ - _ \ <br />CONSTRUCT 90 LF. 84" C5P \ <br />CULVERT WITH WIN& WALLS <br />I� 50' TYPICAL SPACING - <br />2 <br />?.I -- 4.3 <br />--------------- <br />ROCK CUT <br />PARTIAL PROFILE OF DITCH BOTTOM <br />NOTE: <br />CONSTRUCT DAMS OF TYPE VL RIPRAP (D -50 = 6 ") <br />(AAA <br />ACCESS <br />ROAD <br />CENTER <br />LINE <br />3' 14' 14' 3' <br />POROUS ROCK CHECK DAMS � <br />ACCESS ROAD CUT SECTION <br />POROUS ROCK CHECK DAMS DETAIL <br />SCALE: V =10' <br />FABRIC MATERIAL <br />STEEL OR 2 "x4" WOOD POST (ANCHORED IN TRENCH) <br />(ANCHORED TO FABRIC) <br />= I <br />1. EXCAVATE TRENCH, <br />4" MINIMUM DEPTH <br />4 "x4" TRENCH <br />COMPACTED <br />BACKFILL <br />-. FLOW <br />1 /2H (12" MIN) <br />CR055- SECTION VIEW <br />-NTS- <br />ti <br />4 NOTE: EROSION CONTROL MEASURES <br />SHALL BE MAINTAINED UNTIL <br />N LANDSCAPING IS COMPLETED, <br />SILT FENCE INSTALLATION <br />ar; <br />BALE WID1n <br />4" (MIN) <br />2. PLACE AND STAKE <br />STRAW BALES <br />T IN ROCK <br />2114 , STAKE OR STEEL P05 <br />511)-50 LB, STRAW BALE <br />STRAW BALE NOTES: <br />1. INSPECTION, REPAIR, AND REPLACE <br />(IF NECESSARY) THE BALES AFTER EACH <br />STORM EVENT. <br />2. ALL BALES MUST BE REPLACED AFTER 12 <br />MONTHS UNLESS APPROVAL IS GRANTED BY <br />THE ENGINEER FOR LONGER USE. <br />STRAW BALE INSTALLATION DETAIL <br />CONSTRUCTION BMPS <br />\ \ \ \ Permit #: •'- 7 Confidental ?: <br />Class: Type -Seq.: <br />From: To: <br />Doc. Name: E C- <br />\ Doc. Date (if no date stamp): p <br />Specialist: <br />BACKFILL <br />vV ` '.FILL AND COMPACT EXCAVATED <br />RECEIVED <br />OCT 2 4 2005 <br />Dn"SIOn Of Minerals and Geology <br />I I 21 - <br />14' <br />ACCESS ROAD CENTER LINE <br />PLAN <br />NOTES: <br />1. EXCAVATED MATERIAL WILL BE HAULED OFF -SITE OR PLACED IN TEMPORARY <br />STORAGE AREAS UNTIL WASTE ROCK AREA I5 OPENED. THE WASTE ROCK AREA WILL <br />BE USED FOR TEMPORARY STORAGE OF USEABLE ROCK UNTIL THE PROCESSING AREA <br />IS OPERATIONAL, AND FOR PERMANENT STORAGE OF UNSUITABLE MATERIAL. <br />2. APPROXIMATELY 500,000 CU. YD. OF EXCESS CUT MATERIAL FROM HAUL ROAD <br />CONSTRUCTION TO BE PLACED IN WASTE ROCK AREA. <br />3. WASTE ROCK PILE FOOTPRINT WILL BE STRIPPED OF SOIL, VEGETATION AND SNOW <br />OR ICE DOWN TO STABLE BEDROCK PRIOR TO PLACING WASTE ROCK. THE USEABLE <br />SOIL WILL BE STOCKPILED FOR USE IN REVEGETATION. A 6EOTECHNICAL <br />INVESTIGATION WILL BE COMPLETED BEFORE WASTE ROCK PLACEMENT TO <br />DETERMINE SLOPE STABILITY. BENCHING OF THE 5UBGRADE WILL BE COMPLETED IF <br />REQUIRED FOR WASTE ROCK PILE STABILITY. <br />4, FINAL DE516N OF SEDIMENT PON05 WILL BE AS REQUIRED BY COPS PERMIT. <br />5. ACCESS ROAD DITCHES WILL BE INSPECTED FOLLOWING SIGNIFICANT RUNOFF <br />EVENTS AND SEDIMENT REMOVED IF REQUIRED. <br />NAME <br />TITLE <br />PREPARED UNDER THE SUPERVISION OF: <br />DATE <br />REVISED EXHIBIT C -2A: CONSTRUCTION OF MAIN ACCESS ROAD <br />:: <br />BANKS AND GESSO, LLC CLEAR CREEK DISTRICT WATER PROVIDERS, LLC. MMRR QUARRY <br />720 KIPLING St., SUITE 117 DMG REGULAR 112 PERMIT APPLICATION <br />LAKEWOOD, COLORADO 80215 5460 SOUTH QUEBEC ST. SUITE 110 GILPIN COUNTY <br />(303) 274 -4277 GREENWOOD VILLAGE, CO 80111 COLORADO <br />J08 NO DATE SCALE DRAWN BY DESIGNED BY APPROVAL REV SHEET <br />03047 9/23/05 1" =100' DRF 2of5 <br />