Laserfiche WebLink
INCREASE EXISTING BERM TOP <br />WIDTH - COMPACTED FILL AND <br />PLACE 6" GRAVEL SURFACE <br />EXISTING POND <br />BERM EL. 6828 - <br />STRIP AND <br />BENCH AS <br />DIRECTED <br />48" O <br />MANHOLE <br />ATTACH LINER TO CONCRETE <br />CUTOFF WALL- DETAIL <br />SEE DETAIL <br />ce <br />� 12" PIPE <br />SECTION ( NORTH <br />C4 <br />VERTICAL SCALE HORIZONTAL SCALE <br />5 0 5 FEET 20 0 20 FEET <br />VERTICAL EXAGGERATION = 4x <br />_ EXISTING GRAVEL <br />ROAD, EL. 6822* <br />OVERFLOW STRIP TOPSOIL AND <br />DISCHARGE PIPE STOCKPILE AS DIRECTED <br />I.E. 6817.4 <br />i �• `EXISTING FENCE LINERANCHOR <br />I 2 / (REMOVE& EL. 6819(TYP.) <br />REPLACE) SEE DETAIL <br />log COMPACTED <br />3 EMBANKMENT FILL <br />MAX. W.S. <br />•.,.� EL. 6818 <br />INTERMEDIATE <br />DISCHARGE PIPE <br />I.E. 6812.0 ITP1 <br />VALVE i I j �'ti <br />I VALVE Z LOW -LEVEL J1 <br />` — DISCHARGE PIPE & <br />TRASH RACK I.E. 6806.0 2 <br />BEDROCK <br />DEPTH >30' bga <br />INV. EL. 6004 <br />EMERGENCY <br />SPILLWAY <br />EL. 6822.5 <br />TOP OF LINER, <br />3FT x 3FT x 61N <br />CONC, COLLAR <br />VIEW E <br />NOT TO <br />SCALE <br />6 "GRAVEL <br />SURFACE (TYP.) <br />6820 <br />°' TP2 VU <br />PLACE ROCK <br />FROM <br />EXCAVATION <br />1(3W x 2'h*) � <br />EL. 6819.0 <br />ATTACH LINER TO <br />CONCRETE COLLAR <br />SEE DETAIL e <br />ce <br />MULCH & <br />SEED(TYR) <br />EDGE OF <br />NEW STEEP <br />FENCE � SLOPE 7 <br />�! POWER POLE <br />URB) <br />(DO NOT DIST <br />20' (MIN.) 30' EMERGENCY SPILLWAY <br />7 ` I.E. 6822.5(5 FT. BEYOND) <br />CONCRETE <br />CUTOFF Wf <br />EDGE OF <br />STEEP <br />1 2 2 I *P-4 • ,� SLOP <br />2 I <br />I BH -123 k <br />I.E. 6804.2 <br />�` <br />�/� BEDROCK <br />'I 20' b9s <br />SECTION eC - SOUTH END <br />C4 <br />VERTICAL SCALE HORIZONTAL SCALE <br />5 0 5 FEET 20 0 20 <br />FEET <br />VPRTIl:41 9YArr.PPA71nhl - 6a <br />ENVIROGROUP LIMITED <br />3561 STAGECOACH ROAD, SUITE 205 <br />LONGMONT, CO 80504 <br />PHONE: 720-494-2600 <br />FAX: 720 -494 -2688 <br />RAHE ENGINEERING, INC. <br />1070 YOUNGFIELD STREET <br />GOLDEN, CO 80401 <br />PHONE: 303- 238 -1690 <br />FAX: 303- 2334683 <br />H. <br />p�0e / vCtr� <br />w��® Yaw4Yd�Q Cy v <br />MOUNTAIN COAL COMPANY <br />WEST ELK MINE, COLORADO <br />PROJECT: SYLVESTER GULCH 017 MINE <br />WATERTREATMENT SYSTEM <br />SHEETTITLE <br />SECOND POND CROSS SECTIONS <br />p+ k -367 <br />10' <br />INCREASE CREST <br />TO COLLAR <br />(MIN.) <br />WIDTH TO 10 <br />CREST EL. 6828 28 <br />OPERATING <br />EXISTING 2 <br />W.S. 6818 <br />POND i <br />EXISTING FENCE <br />(REMOVE) <br />12misy NON -WOVEN <br />STRIP TOPSOIL <br />CREST EL. 6820 <br />PLACE 12" TOPSOIL <br />.,� <br />6" TO 12" <br />TOP OF <br />MULCH & SEED <br />= <br />w, <br />BAFFLE <br />12• <br />a <br />EL. 6819 <br />COMPACTED <br />..� <br />EMBANKMENT <br />FILL NEW <br />25 FENCE <br />y <br />1 <br />FLOWTHROUGH <br />BH -125 <br />1 <br />WINDOW 3'W x V HIGH <br />y"`. <br />EDGE OF <br />2 <br />2 <br />I.E. 6817.5 <br />T "., <br />STEEP <br />E <br />1 ~�' <br />SLOPE <br />BAFFLE WALL <br />2 <br />I <br />BAFFLE <br />ANCHOR <br />BH -122 <br />(SEE SHT. C7) <br />I.E. 6805 <br />I <br />L / <br />` <br />CLEAR TOPSOIL <br />TO EDGE OF <br />FENCE(TYP.) <br />BEDROCK <br />3T b9s <br />qp• <br />BEDROCK 36' bgs <br />SECTION e - MIDD AREA <br />C4 <br />VERTICAL SCALE HORIZONTAL SCALE <br />60 FEET 2�0 FEET <br />VERTICAL EXAGGERATION =4x <br />EXTEND LINER UP TO EL. 6822.5 <br />/- FOR 20 FT. WIDTH AT <br />EMERGENCYSPILLWAY <br />SEE VIEWe <br />12° HDPE PIPE <br />DISCHARGE FROM <br />EXISTING POND <br />(15 FT. BEYOND) <br />/ —I.E. 6819 <br />ATTACH LINER <br />TO COLLAR <br />SEE DETAIL <br />E <br />OPERATING <br />W.S. 6818 <br />6" GRANULAR SOIL ON <br />12misy NON -WOVEN <br />GEOTEXTILE OVER <br />GEOMEMBRANE(TYR) <br />COMPACTED <br />EMBANKMENT <br />FILL <br />NEW <br />5 <br />FENCE <br />2. <br />1 <br />SHEET <br />C5 <br />