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I <br />I / <br />1. <br />■ <br />I I. <br />■ <br />■ <br />I <br />■ <br />■ <br />I \ <br />■ <br />I \ <br />■ <br />BUILD WASTE ROCK <br />�\ �\ PILE�,UPSLOPE <br />I \ <br />INITIAL LOCATION OF EXCESS CUT MATERIAL \ <br />FRdMACC €�55 ROAD. GRADE TO DRAIN TO Q <br />ICENTER�AEND QWARO SEDIMENT POND B <br />I \ \ <br />I \ . <br />■ UNDERDRAIN OF COARSE 6" MEDIAN <br />DIAMETER ROCK WITH LESS THAN 10% <br />' PASSING THE #200 SIEVE IN THALWEG <br />■ TO CONVEY SUBSURFACE FLOWS <br />I \ <br />■ TEMPORARY SEDIMENT POND B <br />(SPILLWAY ELEVATION <10' <br />FROM STREAM BED) <br />I <br />I\ APPROXIMATE HAUL ROAD BOUNDARIES <br />■ <br />� (DETAILS EXHIBIT C -28) <br />I \ - <br />■ <br />I � <br />i <br />OW)- - - --- �- - - -01- U .-._. -.- - 0HU - - 044U- ----- 70HU - _0M <br />LEGEND <br />■ ■� ■ ■� ■ ■� ■ ■� PERMITBOUNDARY <br />MINING LIMITS <br />RIGHT OF WAY <br />PAVED ROAD <br />UNPAVED ROAD <br />- - - - - - DITCH /WATERWAY <br />} - - - - - - J4 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 />5F 5F SILT FENCE <br />Q STREET LIGHT <br />OHU OHU OVERHEAD UTILITY <br />5 5 SEWER LINE (UNDER CONSTRUCTION) <br />I_L_ <br />II <br />EXISTING ROAD \ <br />GRAPHIC SCALE <br />0 50 100 <br />( IN FEET ) <br />1 inch = 100 ft. <br />CONTOUR INTERVAL = 5 <br />7370.00 <br />7360.00 <br />7350.00 <br />7340.00 \ <br />7330.00 <br />7320,00 <br />7310.00 <br />7300.00 <br />DATUM ELEV <br />72so. o0 <br />GR" C2A 0.00 20.00 40.00 60.00 80.00 100.00 <br />SECTMN B 120.00 140.00 160.00 180.00 200.00 <br />/ TEMPORARY WASTE ROCK STORAGE CROSS SECTION A -A' <br />SCALE: P' =30' <br />i <br />i <br />NEW ACCELERATION /OECELERAITI N LANE\S <br />PER COOT PERMIT REQUIREMENTS <br />UNDISTURBED AREA RUNOFF WILL FLOW <br />ONTO VEGETATED BENCHES <br />POROUS ROCK CHECK DAMS <br />AT 50' INTERVALS IN <br />ROADSIDE DITCHES <br />24" DIAMETER CSP CULVERT <br />ACCESS POINT ONTO <br />COOT ROW AND 5H 119 <br />POSSIBLE ADDITIONAL CUT <br />FOR DECELERATION LANE <br />7299.00 <br />7289.00 <br />7279.00 <br />7269.00 <br />7259.00 <br />7249.00 <br />7239.00 <br />7229.00 <br />7219.00 <br />7209.00 <br />7199.00 <br />7189.00 <br />7179.00 <br />7169.00 <br />7159.00 <br />7149.00 <br />7139.00 <br />DATUM ELEV <br />7129.00 <br />-OPE <br />GRMP 05 -C 0.00 2000 40 00 120.00 140.00 160.00 180.00 <br />MAIN ACCESS ROAD TYPICAL CROSS SECTION <br />SCALE 1' =30' <br />FABRIC MATERIAL <br />STEEL OR 2 "x4" WOOD POS (ANCHORED IN TRENCH) <br />(ANCHORED TO FABR�iS� <br />(MAk =MUi <br />Mi <br />4 "x4" TRENCH <br />COMPACTED <br />BACKFILL <br />FLOW <br />FLOW <br />1/21H (12" "MIN) <br />CRO55- 5ECTION VIEW <br />NT5 <br />ti <br />? NOTE: EROSION CONTROL MEASURES <br />SHALL BE MAINTAINED UNTIL <br />ti LANDSCAPING IS COMPLETED, <br />SILT FENCE INSTALLATION <br />1. EXCAVATE TRENCH, <br />4" MINIMUM DEPTH BALE WIDE <br />4,. MIN) <br />2. PLACE AND STAKE <br />STRAW BALES <br />2 "x2" STAKE <br />50 LB. 5TRA W BALE <br />COMPACTED <br />BACKFILL <br />- FLOW <br />CROSS- SECTION VIEW <br />-NTS- <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 />OR STEEL PAST IN RACK <br />2"x2' STAKE 0- STRAW BASE <br />STD. 50 <br />0 VV <br />�Z C1 - <br />SACKFILL <br />NOTES: <br />I. EXCAVATED MATERIAL WILL BE HAULED OFF -SITE OR PLACED IN TEMPORARY STORAGE AREAS UNTIL <br />WASTE ROCK AREA IS OPENED. THE WASTE ROCK AREA WILL BE USED FOR TEMPORARY STORAGE OF USEAI <br />ROCK UNTIL THE PROCESSING AREA IS OPERATIONAL, AND FOR PERMANENT STORAGE OF UNSUITABLE <br />MATERIAL. <br />2. APPROXIMATELY 500,000 CU. YD. OF EXCESS CUT MATERIAL FROM HAUL ROAD CONSTRUCTION TO BE <br />PLACED IN WASTE ROCK AREA, <br />3. WASTE ROCK PILE FOOTPRINT WILL BE STRIPPED OF SOIL, VEGETATION AND SNOW OR ICE DOWN TO <br />STABLE BEDROCK PRIOR TO PLACING WASTE ROCK. THE USEABLE SOIL WILL BE STOCKPILED FOR USE IN <br />REVEGETATION. A GEOTECHNICAL INVESTIGATION WILL BE COMPLETED BEFORE WASTE ROCK PLACEMENT <br />TO DETERMINE SLOPE STABILITY. BENCHING OF THE SUBGRADE WILL BE COMPLETED IF REQUIRED FOR <br />WASTE ROCK PILE STABILITY. <br />4. FINAL DESIGN OF SEDIMENT PONDS WILL BE AS REQUIRED BY COPS PERMIT <br />I BACKFILL AND COMPACT EXCAVATED <br />SOIL <br />RECEIVED <br />MAR 2 3 2005 <br />Qj+�il � 6iI100t�.R any! 4 <br />Permit -Zoo-y_g*7 _ Confidental ?: <br />Class: Type Seq.: <br />Doc. Name: <br />From: �1B�go:g <br />�, �.,.., .�_-, <br />Doc. Date (if no date stamp): 3 <br />PREPARED UNDER THE SUPERVISION OF: <br />DATE <br />REVISED EXHIBIT C -2A: CONSTRUCTION OF MAIN ACCESS ROAD <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 />JOB NO DATE SCALE DRAWN BY DESIGNED BY APPROVAL REV SHEET <br />03047 3/16/05 111 =100' DRF <br />20f5 <br />