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11 <br />i <br />Final <br />RP -5A <br />Containment <br />ditch <br />:T <br />i <br />RP -5B <br />Undisturbed <br />area diversion j <br />ditch I I ,/ <br />I <br />I � i <br />I.l <br />)I <br />r <br />�j <br />I <br />II <br />( I <br />At-- <br />i� <br />.b:i <br />t. <br />,.Z <br />f <br />B' <br />1 <br />j 1 <br />X/ l �11 <br />I <br />i <br />\ <br />h <br />+4 <br />-4H:1V <br />(max. 3H:1 V) <br />�'- H:1 V <br />( ax.3H:1V) <br />r <br />N <br />Sediment <br />RP -5a <br />-2.0%0`1 <br />RP -5 <br />uration once reclaimed <br />`20h. IV <br />Dozer shed w/ <br />1000 - gallon used <br />oil tank and 1000 -----8 <br />gallon diesel tank <br />(during operations) <br />�i <br />I <br />n <br />ii <br />lr <br />/ <br />�r 8 <br />Entrance <br />12" CMP <br />�0 <br />I1 <br />11 <br />\\ II <br />�1 II <br />11 11 <br />II <br />II 11 <br />11 III <br />u II <br />1t tl <br />11 I I <br />2 -18" <br />% Topsoil <br />s�orage area <br />from Refuse Area 5a <br />89 acre feet <br />1 / <br />Subsoil <br />storage area <br />��dtf from Refuse Area 5a <br />166 acre feet <br />(�X <br />Pit to Pit <br />Equipment <br />Access <br />1 <br />0% <br />9o\R0 ad <br />Subsoil' i I i <br />storage a <br />from Re <br />Area <br />61 acre feet <br />/v <br />, <br />/ <br />r._ <br />l� <br />Scale: 1 " = 200' <br />Sere - <br />�_ <br />5010- <br />� -A <br />ra <br />513100 <br />®to <br />araD <br />asta — <br />Refuse Area 5a cross sections <br />Scale: 1" = 200' <br />sv,e - <br />S_ <br />-c <br />Final <br />sszo - <br />seoo - <br />SSBO — <br />=D <br />Typical Terrace design (NTS) <br />(not to scale) <br />Prior to final reclamation any terrace constructed will be outsloped to avoid <br />channelized flow. Final refuse pit slopes may exceed 4HA V to a limited <br />extent to a maximum of 3HA V. <br />AH tv <br />%/ <br />"4NtJ Channel slope 2.5 <br />5 degrees <br />20' <br />General Slope Grading and <br />Soil Stripping and Placement Schematic <br />Typical Runoff Ditch Configuration <br />r <br />oPSO / /sa /lam <br />Prior to <br />Topsoil Storage (Typical) <br />(not to scale) <br />\7rr <br />RECEIVED <br />NOTES: `W <br />Design contours far RP-5a are final reclaimed contours. Cross sections shown odor b soti cap plecerrtent. <br />Due to the original topography and operational constraints allowing for refuse drying /compaction the runoff gradient during construction will predominately be to the north. Reversal of the runoff grade at the Division o1 <br />top of the refuse area will occur only once the refuse area approached final design grade an Ge010gy <br />Final containment ditch (permanent ditch) to be completed to design speaficalions prior to reclamation. p90 BEG/ <br />Interim ditch (in-ph ditch) is to be the funtional ditch during operations. This dhch is to be placed at the toe of the fill as needed to convey runoff. Minimum design standards are to follow the capacities <br />specified for the ditch found in Illustration 0A These ditches will be replaced by final containment ditches tluring reclamation. Illustration 49 aikhesses final ditch design. practices to stabilize interim <br />ditches are described in Illustration 50. 0 t <br />Sediment and runoff control measures for the soil stockpiles are addressed in Illustration 44. I <br />up to 3hnical stability analysis demonstrates adequate stability with 3H:1V slopes (Illustration 42B). While the argot maximum overall slope of the refuse areas is 4H:1V limbed areas may be constructed at ° <br />up to 3H:1 V. JIL <br />Reverse sequencing of topsoil/subsoil placement upon reclamation based on observed response of annual weeds, primarily cheatgrass, and perennial vegetation to these growth medium. ° ' <br />Ordwphoto background based on August 2003 aerial photography. <br />Terrace <br />l <br />Topsoil storage Subsoil storage Diversion ditch — _= Light use road Map 77A <br />BLUE MOUNTAIN ENERGY, INC. <br />DESERADO MM R"GELY, COLORADO <br />Refuse Area 5a Site Plan <br />Dw6. by SCW low& File Neme: <br />l.. V Y map77 - 77A - 150.dwg <br />&��] Appr. by <br />�. D°`` 6/28/200 4 <br />(not to scale) <br />m <br />- L <br />m <br />m <br />C D <br />m <br />m <br />3 <br />v <br />m <br />0 <br />V3 E- <br />a C <br />a <br />m 0 a <br />O <br />C m 6 <br />I <br />m c - <br />m <br />c mQ <br />O <br />U =Y a <br />n <br />umi umi 4 tole P� <br />Ra <br />Subsoil Storage (Typical) <br />(not to scale) <br />r <br />oPSO / /sa /lam <br />Prior to <br />Topsoil Storage (Typical) <br />(not to scale) <br />\7rr <br />RECEIVED <br />NOTES: `W <br />Design contours far RP-5a are final reclaimed contours. Cross sections shown odor b soti cap plecerrtent. <br />Due to the original topography and operational constraints allowing for refuse drying /compaction the runoff gradient during construction will predominately be to the north. Reversal of the runoff grade at the Division o1 <br />top of the refuse area will occur only once the refuse area approached final design grade an Ge010gy <br />Final containment ditch (permanent ditch) to be completed to design speaficalions prior to reclamation. p90 BEG/ <br />Interim ditch (in-ph ditch) is to be the funtional ditch during operations. This dhch is to be placed at the toe of the fill as needed to convey runoff. Minimum design standards are to follow the capacities <br />specified for the ditch found in Illustration 0A These ditches will be replaced by final containment ditches tluring reclamation. Illustration 49 aikhesses final ditch design. practices to stabilize interim <br />ditches are described in Illustration 50. 0 t <br />Sediment and runoff control measures for the soil stockpiles are addressed in Illustration 44. I <br />up to 3hnical stability analysis demonstrates adequate stability with 3H:1V slopes (Illustration 42B). While the argot maximum overall slope of the refuse areas is 4H:1V limbed areas may be constructed at ° <br />up to 3H:1 V. JIL <br />Reverse sequencing of topsoil/subsoil placement upon reclamation based on observed response of annual weeds, primarily cheatgrass, and perennial vegetation to these growth medium. ° ' <br />Ordwphoto background based on August 2003 aerial photography. <br />Terrace <br />l <br />Topsoil storage Subsoil storage Diversion ditch — _= Light use road Map 77A <br />BLUE MOUNTAIN ENERGY, INC. <br />DESERADO MM R"GELY, COLORADO <br />Refuse Area 5a Site Plan <br />Dw6. by SCW low& File Neme: <br />l.. V Y map77 - 77A - 150.dwg <br />&��] Appr. by <br />�. D°`` 6/28/200 4 <br />