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0+00 2+00 4+00 6+00 8+00 10+00 12+00 14+00 16+00 18+00 20+00 22+00 24+00 26+00 28+00 30+00 32+00 34+00 36+00 <br />5600 <br />5700 <br />5800 <br />CROSS SECTION B <br />5500 <br />REFUSE PILE <br />EXISTING PILE LEVEL <br />ORIGINAL GROUND (APPROXIMATED UNDER EXISTING PILES) <br />0+00 2+00 4+00 6+00 8+00 10+00 12+00 14+00 16+00 18+00 20+00 22+00 24+00 <br />5600 <br />5700 <br />5800 <br />CROSS SECTION A <br />5500 <br />3 <br />1 31 HAUL ROAD <br />EXISTING PILE LEVEL <br />ORIGINAL GROUND (APPROXIMATED UNDER EXISTING PILES) <br />LEGEND <br />PERIMETER / DIVERSION DITCHES <br />TERRACE CHANNELS <br />PILE DESIGN MAJOR CONTOURS (25' INTERVAL) <br />PILE DESIGN MINOR CONTOURS (5' INTERVAL) <br />EXISTING GROUND MAJOR CONTOURS (25' INTERVAL) <br />EXISTING GROUND MINOR CONTOURS (5' INTERVAL) <br />SUBWATERSHED BOUNDARIES <br />FLOW DIRECTION ARROWS <br />NODES INDICATING BEGINNING AND END OF STRUCTURE <br />AND STRUCTURE # FROM SEDCAD MODEL <br />SEDCAD STRUCTURE NUMBER <br />WATERSHED LETTER <br />SPOT ELEVATION <br />15 <br />17 <br />ECROSS SECTION ACROSS S <br />E <br />C <br />T <br />I <br />O <br />N <br /> <br />B <br />A <br />B <br />C <br />D <br />E <br />F <br />G <br />H <br />I <br />J <br />K <br />L <br />M <br />N O <br />P <br />Q <br />R <br />S <br />T <br />U <br />1 2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />8 <br />9 <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />EXISTING DIVERSION OF <br />OFFSITE WATERSHED <br />STR <br />U <br />C <br />T <br />U <br />R <br />E <br />8 <br />P <br />R <br />O <br />FI <br />L <br />E <br />SEDIMENT POND <br />RP-4 <br />MAP 80 <br />SEDIMENT POND <br />RP-2&3 <br />MAP 79 <br />SEDIMENT POND <br />RP-5A <br />MAP 80A <br />0+00 2+00 4+00 6+00 8+00 10+00 12+00 14+00 16+00 18+00 20+00 22+00 24+00 26+00 28+00 30+00 32+00 <br />5600 <br />5700 <br />5800 <br />STRUCTURE 8 PROFILE <br />5500 <br />-1.07% <br />CUT THROUGH KNOLL <br />BETWEEN EXISTING PILES <br />FLOW WIDTH <br />5.00 <br />2.00 <br />TERRACE <br /> <br />E <br />D <br />G <br />E <br />TERRACE EDGE <br />D50 SEE CHART <br />TERRACE DITCH <br />INTERSECTION TRANSITIONS <br />JLT4/4/22O:\Engineering Projects\Refuse Area 2345\Drawings\Maps\Map 165 Combination Pile 2345.dwgBLUE MOUNTAIN ENERGY, INC.DESERADO MINE3607 COUNTY ROAD 65RANGELY, CO 81648MAP 165REFUSE AREA 2345 PRELIMINARY PLAN1"=200'1NOTES: <br />DESIGN CONTOURS AND CROSS SECTIONS FOR REFUSE AREA A ARE FINAL RECLAIMED CONTOURS AND CROSS <br />SECTIONS. <br />FINAL CONTAINMENT DITCHES (PERIMETER DITCHES) TO BE COMPLETED TO DESIGN SPECIFICATIONS PRIOR TO <br />RECLAMATION. THEY WILL BE CONSTRUCTED IN PHASES ADJACENT TO AREAS WITHIN THE PIT AREA OPENED UP TO <br />REFUSE PLACEMENT. <br />INTERIM IN-PIT DITCHES WILL BE FUNCTIONAL DURING REFUSE PLACEMENT OPERATIONS. THESE DITCHES ARE TO BE <br />PLACED AT THE UPHILL TOE OF A PHASE WITHIN THE APPROVED AREA OR AS NECESSARY TO DIRECT UPSTREAM <br />EXISTING CHANNELIZED FLOW AROUND THE PLACMENT AREA TO THE PERIMETER DITCHES. PRACTICES TO STABILIZE <br />INTERIM DITCHES ARE DESCRIBED IN ILLUSTRATION 50. <br />SEDIMENT AND RUNOFF CONTROL MEASURES FOR THE SOIL STOCKPILES ARE ADDRESSED IN ILLUSTRATION 44. <br />GEOTECHNICAL STABILITY ANALYSIS DEMONSTRATES ADEQUATE STABILITY WITH 3H:1V SLOPES (ILLUSTRATIONS 21 <br />AND 42B) <br />REVERSE SEQUENCING OF TOPSOIL/SUBSOIL PLACMENT UPON RECLAMATION IS BASED ON OBSERVED RESPONSE OF <br />ANNUAL WEEDS, PRIMARILY CHEATGRASS, AND PERENNIAL VEGETATION TO THESE GROWTH MEDIUM. <br />MAP 165 <br />N <br />S <br />EW <br />ORIGINAL SURFACE <br />TOPSOIL - SALVAGED <br />SUBSOIL - SALVAGED <br />SURFACE PRIOR <br />TO PLACEMENT <br />FINAL <br /> <br />S <br />U <br />R <br />F <br />A <br />C <br />E <br />SUBS <br />O <br />I <br />L <br />TOPS <br />O <br />I <br />L <br />REFU <br />S <br />E <br />5 degrees <br />Channel slope ~1% <br />TYPICAL TERRACE DESIGN <br />(NOT TO SCALE)