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CUT OR FORM RECTANGULAR EMERGENCY <br />SPILLWAY IIN TOP OF WALL 3.5' LONG. <br />ELEVATION OF BOTTOM OF SPILLWAY 80.10 <br />(0.3 FT DEEP) <br />t 8, CLEAN OUT <br />1 <br />8.5' MINIMUM TO <br />ERLINE OF RR TRACK <br />CHAIN LINK FENCE <br />12" <br />- <br />- - - - - --- - - -- - - - --- -' <br />6° PVC FROM <br />OIL SEPARATOR <br />6" CONCRETE PAVEMENT <br />CONCRETE POND BOTTOM \ <br />TOP OF WALL ELEV. 79.80 , CLEAN OUT <br />SLOPE PIPE UNIFORMLY FROM <br />ELBOW TO ELEV 6077.50 AT CLEAN <br />OUT LOCATION NEAR ENTRY INTO <br />RETENTION POND <br />10' <br />2.5' <br />'­ 8" PVC FROM TRENCH DRAIN <br />30' <br />TOP OF WALL ELEV = 80.40 <br />2' DIAMETER LIGHT WEIGHT CAST IRON MANHOLE <br />FRAME AND PERFORATED COVERS ANCHORED IN <br />PLACE WITH MORTAR <br />OUTSIDE GRADE VARIES <br />CUT OR FORM HOLE IN WALL SEE DRAWING No. 1 <br />FOR 6" SEPARATOR INLET <br />INVERT ELEV = 79.55 <br />1500 GALLON OIL SEPARATOR TOP OF FLOOR SLAB TOP OF FLOOR SLAB. ``� <br />SIMILAR AND EQUAL TO ELEV = 77.40 <br />-\ 1�p -'p <br />VAUGHN CONCRETE PRODUCT <br />WITH 4" ROOF SLAB <br />TOP OF SLAB ELEV = 80.43 <br />INV 8" PVC FROM TRENCH DRAIN <br />ELEV = 6077.50 <br />LINE SHOWN ON PLAN VIEV <br />(SEDIMENT TRAP AND <br />RETENTION POND) IS THIS <br />SEDIBl TRAP AND OIL SEPARATOR <br />PLAN AND PROFILE <br />() <br />SCALE: 1" = 5' <br />21' <br />T O WA LL 79.80 <br />TOP OF WALL 79.80 INV ELEV = 6079.00 <br />INV ELEV = 6077.00 <br />X erg <br />�mq <br />g <br />r INV ELEV = 6077.00 <br />, x <br />6 x <br />..,--SEE DRAWING NO. 1 <br />FOR ELEVATIONS <br />� GALVANIZED STEEL SHEET PILING <br />3/4" EXPANSION <br />JOINT MATERIAL <br />SEE POND PLANS AND <br />PROFILES FOR ELEVATIONS <br />#5 BARS 0 12 <br />O.C. BOTH WAYS <br />SECTION - POND 'ALL <br />LE <br />z <br />SCA: 1/2" = V -0" <br />� X X - x X r Q x - -r X x x N v� <br />x x <br />{ 1 <br />1 n I <br />w)k >J <br />8" VALVE AND VALVE BOX CLEAN OUT <br />I <br />12" PVC SPILLWAY PIPE PIPE INV ELEV = 6077.50 <br />8" DISCHARGE PIPE <br />APPROXIMATE LEVEL OF RETAINED <br />TOP OF WALL ELEV = 79.80 OUTSIDE GRADE VARIES RUNOFF FROM 25 YEAR 24 HOUR STORM <br />` <br />SEE DRAWING No. 1 TOP OF FLOOR SLAB <br />- AT -10% GRADE <br />--- -- - - -- -- - -- -- - - -- -- - - --'- - -- -- --- --- - --- -- --... -- '------ - --- --- -- -- <br />TOP OF FLOOR SLAB ELEV 76.00 <br />7777=777 =7 <br />r'� 2• <br />INV 6" PVC FROM OIL <br />INV 8" PVC DISCHARGE SEPARATOR = 6077.00 <br />PIPE INV ELEV = 6077.00 <br />x '12" SPILLWAY PIPE J <br />OFFSET TO CLEAR 8" VALVE <br />PIPE INV ELEV = 6079.00 <br />THREADED PLUGS <br />12 "X1 2 "X12" TEE <br />THREADED PLUGS <br />12" PVC SPILLWAY PIPE <br />FROM RETENTION POND <br />PIPE INV ELEV = 6076.00 <br />8' PVC DISCHARGE PIPE <br />FROM RETENTION POND <br />PIPE INV ELEV = 6074.00 <br />FACE OF EXISTING <br />METAL CRIBBING <br />8 "X8"X8° AND 12 "X12'X12' TEE <br />CENTERUNE OF PLUGS 2' ABOVE GROUND <br />8" AND 12" PVC TO CDOT INLET AT 0.005 FT/FT MIN <br />RUN SIDE —BY —SIDE IN SAME TRENCH <br />RETENTION POND r•O• SECTION DETAIL <br />DIS <br />CEWED <br />OCT 14 2010 <br />Divi�lol. ,on, <br />Mining anO Ob4?tY <br />i <br />X -- -M <br />FI SSLIED FOR CONSTRUCT10N BIDDING AND PERMITTING <br />STORMWATER RETENTION POND <br />REVIS D - air •N POND D ISCHARGE <br />DRAWING No. DRAWING TITLE <br />cn t PROPOSED AN E SITE PLAN <br />c 2 LOAD OUT AREA PLAN VIEW AND SITE DETAIL <br />z — <br />w <br />I� <br />W <br />ILA <br />0' <br />ENGINEERING <br />DESIGNED <br />7/97 <br />BRJ <br />7/97 <br />� <br />DRAWN <br />z <br />CHECKED <br />MHL <br />APPROVED <br />CHECKED <br />o <br />MrNM <br />FI SSLIED FOR CONSTRUCT10N BIDDING AND PERMITTING <br />STORMWATER RETENTION POND <br />REVIS D - air •N POND D ISCHARGE <br />DRAWING No. DRAWING TITLE <br />cn t PROPOSED AN E SITE PLAN <br />c 2 LOAD OUT AREA PLAN VIEW AND SITE DETAIL <br />z — <br />w <br />I� <br />W <br />ILA <br />0' <br />BY <br />ENGINEERING <br />DESIGNED <br />7/97 <br />BRJ <br />7/97 <br />� <br />DRAWN <br />z <br />CHECKED <br />MHL <br />APPROVED <br />CHECKED <br />o <br />BY <br />DATE <br />MHL <br />7/97 <br />BRJ <br />7/97 <br />ALS <br />7/97 <br />MHL <br />7/97 <br />MHL <br />4/98 <br />RLK <br />4/98 <br />CONCRETE POND BOTTOM <br />- I LINE SHOWN ON PLAN VIEW <br />(SEDIMENT TRAP AND <br />RETENTION POND) IS THIS LINE <br />z <br />I <br />PREPARED FOR <br />MOUNTAIN COAL COMPANY <br />West Elk Mine <br />PO Box 591 <br />Somerset, Colorado 81434 <br />Telephone: 303 929 -5015 <br />6" PVC'FROV <br />OIL SEPARATOR <br />8 "X8 "X8" TEE <br />EXPOSED PIPING ADS SERIES 35 <br />12" PIPE AND FITTINGS <br />