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WAREHOUSE <br />OO <br />O <br />O <br />PAD DETAIL_ <br />/ <br />r <br />/ <br />r <br />/ <br />r <br />I <br />/ <br />40^p' <br />^ i - IV,- <br />5740 <br />UPLAND DIVER N <br />DITCH 1.5' DEEP <br />14' DIAMETER <br />VENT. SHAFT <br />U) <br />ch <br />r` <br />100'X200' GRAVEL PAD <br />_ WITH CONTAINMENT BERM <br />AND ROCK OUTLET STRUCTURE <br />12' WIDE GRAVEL <br />LIGHT USE ROAD <br />TOPSOIL PILE <br />0 WITH CONTAINMENT <br />BERM AND ROCK OUTL <br />SCAL-E� 1" = 50' <br />1.0' <br />SHAFT <br />�0' <br />M <br />CONC. PAD FOR RAISE B ❑RING <br />SECTION A - A' <br />NO SCALE: <br />Notes <br />1, From Illustration 10, the 25 yr. 24 hr. peak <br />runoff for the SGW -1 watershed, shown on Map <br />23, is 235 CFM. The culvert sizing utility in <br />Sedcad was used to demonstrate that the 72" <br />C.M.P. is adequate to pass this flow. <br />2. The 30' c.m.p. being installed was sized based <br />on the Sedcad runs for its contributing area, <br />3, Supporting calculations for all three culverts <br />and the light duty road ditches are attached. <br />4, Containment berm around pad will be a minimum of 2' high. <br />The upland diversion will be a 1.5' deep, 2 ;1 side slope, v- ditch. <br />The containment berms around the topsoil piles will be a minimum <br />of 1,5' high. <br />GRID <br />NORTH I I TRUE <br />NORTH <br />200' 100' 0 200' 400' <br />I I I I I <br />SCALE IN FEET <br />BLUE MOUNTAIN ENERGY, INC. <br />FN DESERA D 0 MINE <br />BLUE "E " SEAM SHAFT <br />MOUNTAIN LIC' USE ROAD AND PAD AREA <br />ENERGY, INC. <br />o < <br />\ nO ASrDaWiory of <br />TwnnnWbn CaoprraOw SCALE: DATE: REVISION: <br />1" =200' 12/8/97 5/22/98 <br />DRAWN BY: CHKD BY: DWG. NO.: <br />Western Fuels Association WFU98005 <br />^1 <br />a <br />I��III ��III ��I�� III�I �II�I �IIII I03I <br />oo3s7 5 <br />