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/ Sediment) <br />Pond ; <br />1-r4aa�:: QP -d , <br />��,,eceu <br />J\�oad /� <br />ata ! Subsoil 1 <br />storage area ; <br />Topsoil ' , from Refuse,/ <br />storage area;,r'/ "'i I Area 2/3 <br />Subsoil from Refus, ( i . 50 acre feet <br />storage area Area 4 <br />from Refuse <br />A rr,., A <br />Scale: 1 " = 200' <br />Refuse Area 2/3/4 cross sections <br />Scale: 1" = 200' <br />Topsoil <br />storage area <br />from Area 1 <br />formerly 26 acre f <br />(used to reclaim Refuse <br />General Slope Grading and <br />Soil Stripping and Placement Schematic <br />TpPSpil salvd9ed <br />Prior <br />Topsoil Storage (Typical) <br />(not to scale) <br />NOTES: <br />Design contours for Refuse Area 2/3/4 are final reclaimed contours. Cross sections shown prior to soil cep placement. <br />Due to the original topography and operational constraints allowing for refuse drying/odmpaceon the runoff gradient during conshucfion <br />will predominately be lo the north. Reversal of the runoff grade at the top of the refuse area will occur only once the refuse area <br />approached final design grade. <br />Final containment ditch (permanent ditch) to be completed to design specifications prior to reclamation. <br />Interim ditch (in -pit ditch) is to be the funtional d4ch during operations. This ditch is to be paced at the toe of the fill as needed to convey <br />runoff. Minimum design standards am to follow the capacities specified for the cinch found in Illustration 44. These ditches will be <br />replaced by real containment ditches during reclamation. Illustration 49 addresses final cinch design. Practices to stabilize interim <br />ditches are described in Illustration 50. <br />Sediment and nrnoff control measures for the soil stockpiles are addressed in Illustration 44. <br />Geotechniral stability analysis demonstrates adequate stability with 3H:1V slopes (Illustration 428). while the target maximum overall <br />slope of the refuse areas is 41-1:11V limited areas may be constructed at up to 3H:1 V. <br />Reverse sequencing of topsoillsubseil placement upon reclamation based on observed response of annual weeds, primarily cheatgrass, <br />and perennial vegetation to these gmalh medium. <br />Orthophoto backgmund based on August 2003 aerial photography. <br />Topsoil storage <br />na I <br />F---] Subsoil storage <br />rib 1 CL <br />3y. <br />Terrace <br />- - - - Diversion ditch <br />Light use road Map 150 <br />BLUE MOUNTAIN ENERGY, INC. <br />DESERADO MINE RANGELY, COLORADO <br />Refus�e Area 2/3/4 Site Plan <br />by SC V A v Dw& Me Nerve: <br />map77 - 77A - 150.dwg <br />by Appr. by. <br />As noted Det". 6/28/2004 <br />(rU Ibll. >' lof, <br />- <br />� <br />Topsoil <br />WX1 - <br />�o - P <br />from Area 2/; <br />u,o - <br />original grade P. <br />40 acre feet <br />1 <br />5s4n — <br />Final grade <br />sVv — <br />saw — <br />_Q <br />- - -- <br />sseo _ <br />Original Fade <br />Q. <br />ssw - <br />I <br />564o - <br />Final grade <br />I <br />58x0 — <br />�o _ <br />R, <br />Subsoil from <br />Original grade <br />ssro _ <br />Area 1 <br />=R <br />65 acre feet <br />Final rode <br />g <br />k <br />ssro <br />S' <br />j <br />ssso _ <br />Original gristle <br />I i � <br />cola — <br />ssxo — <br />� r� <br />�p_S <br />Typical Terrace design <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 4HAV to a limited <br />N <br />extent to a maximum of 3HAV. <br />Channel slope 2.5% <br />5dag� <br />Subsoil Storage (Typical) <br />I <br />(not to scale) <br />' <br />zo• <br />Dr oplen ditch <br />Dad itch <br />-1 % —� <br />Topsoil <br />storage area <br />from Area 1 <br />formerly 26 acre f <br />(used to reclaim Refuse <br />General Slope Grading and <br />Soil Stripping and Placement Schematic <br />TpPSpil salvd9ed <br />Prior <br />Topsoil Storage (Typical) <br />(not to scale) <br />NOTES: <br />Design contours for Refuse Area 2/3/4 are final reclaimed contours. Cross sections shown prior to soil cep placement. <br />Due to the original topography and operational constraints allowing for refuse drying/odmpaceon the runoff gradient during conshucfion <br />will predominately be lo the north. Reversal of the runoff grade at the top of the refuse area will occur only once the refuse area <br />approached final design grade. <br />Final containment ditch (permanent ditch) to be completed to design specifications prior to reclamation. <br />Interim ditch (in -pit ditch) is to be the funtional d4ch during operations. This ditch is to be paced at the toe of the fill as needed to convey <br />runoff. Minimum design standards am to follow the capacities specified for the cinch found in Illustration 44. These ditches will be <br />replaced by real containment ditches during reclamation. Illustration 49 addresses final cinch design. Practices to stabilize interim <br />ditches are described in Illustration 50. <br />Sediment and nrnoff control measures for the soil stockpiles are addressed in Illustration 44. <br />Geotechniral stability analysis demonstrates adequate stability with 3H:1V slopes (Illustration 428). while the target maximum overall <br />slope of the refuse areas is 41-1:11V limited areas may be constructed at up to 3H:1 V. <br />Reverse sequencing of topsoillsubseil placement upon reclamation based on observed response of annual weeds, primarily cheatgrass, <br />and perennial vegetation to these gmalh medium. <br />Orthophoto backgmund based on August 2003 aerial photography. <br />Topsoil storage <br />na I <br />F---] Subsoil storage <br />rib 1 CL <br />3y. <br />Terrace <br />- - - - Diversion ditch <br />Light use road Map 150 <br />BLUE MOUNTAIN ENERGY, INC. <br />DESERADO MINE RANGELY, COLORADO <br />Refus�e Area 2/3/4 Site Plan <br />by SC V A v Dw& Me Nerve: <br />map77 - 77A - 150.dwg <br />by Appr. by. <br />As noted Det". 6/28/2004 <br />(rU Ibll. >' lof, <br />