Laserfiche WebLink
I N 5000 <br />_ S <br />1 / <br />� I <br />�V COAL WASTE I <br />BANK LIMITS <br />�1 - - - - -- J / SEDIMENT POND ACC ROAD / <br />/ SEE -- <br />/ <br />_ 6100 -- <br />- -MAX. POOL EL. 6043.5' <br />SEDIMENT POND - -- __ -_ <br />DIVERSION DITCH T A-A <br />\ -- —6075 - 3% GRADE SEE B _ -_- p4 "W--EXISTING POWER POLES <br />-- -- - _ 03 <br />SEDIMENT POND1___ PRO OSED PERMIT BOUNDARY <br />CC SFDIMF-NT POND WALT_ - <br />T =.� $ — REINFORCED CONCRETE WALE <br />- -- -- �1 CREST EL. 6045' <br />- EXISTING DRAINAGE <br />i - +-- 8' DIA.- ' CULVERT - -- - <br />-__ - R.R. OUTLET PIPE -- <br />- NDE WFS'ERN - � O SEDIMENT POND <br />RI-GRAS — <br />pENV[R & __ -- EMFRGENCY SPILLWAY <br />A <br />03 <br />6`j00 - <br />-- -- - - - - -- - <br />- -- N <br />PERMI BOUNDARY 592S <br />NO. DESCRIPTION <br />In 0 ISSUED DRAFT FOR REVIEW <br />z - <br />O 1 ISSUED FINAL FOR PERMITTING <br />CD <br />PLAN <br />0 <br />u <br />L.: SEDIMENT POND <br />0 25 50 100 150 <br />SCALE IN FEET <br />S TRIPPLD GROUND SURI ACE <br />�- 2' MIN OVER[ AP (IYP.) <br />V COAL MINE WASTE -- <br />NON WOVEN___ <br />�T GEOFABRIC <br />(N- SITU SILTY <br />SAND WITH GRAVFI I`+ <br />{ 4' MINIMUM <br />SAND AND GRAVED <br />UNDERDRAIN MATERIAL <br />UNDERDRAIN DETAIL <br />BY DATE <br />1/9` <br />G. E. 10/91 <br />NTS <br />0 <br />0 <br />v <br />w <br />N 5000 <br />4.5 CREST EL. 6045' <br />1' FREEBOARD <br />UPSTREAM SPILLWAY INVERT 1 <br />EL. 6043.5' AND VARIES 1 <br />DOWNSTREAM AT 19 � REINFORCED CGNCRE.IE WALL <br />1 1 = - <br />0.5' DESIGN <br />WATER LEVEL <br />SECTION <br />DENVER AND RIO GRANDE EXISTING <br />WESTERN RAILROAD DRAINAGE DITCH SEDIMENT <br />PnEln WAI I <br />L.IVIr VVL VLI \I vVYY,VJ II \L/'1fVl IHVL <br />- 16- <br />PLAN <br />SEDIMENT POND EMERGENCY SPILLWAY DETAILS <br />RUNOFF CONTROL DITCH REQUIREMENTS (SF.F. NnTF 41 <br />NTS <br />DITCH LOCATION <br />4 <br />FLOIYRATE (CFS) <br />RIPRAP GRADATION <br />FILTER GRADATION <br />RIPRAP <br />THICK ESS <br />FILTER <br />THICKNESS <br />TOTAL CHANNEL <br />DEPTH, X <br />MAX <br />Dso <br />D 1 <br />MAX <br />D 8 <br />D 5 <br />615 <br />10% HAUL ROAD <br />3.90 <br />14 <br />11.5 <br />4.5 <br />3 <br />0.9 <br />0.3 <br />0.1 <br />14 <br />9 <br />12 <br />2% BENCH <br />3.90 <br />12 <br />9 <br />2 <br />0.9 <br />0.4 <br />0.2 <br />0.1 <br />12 <br />9 <br />18 <br />SIDE DITCH <br />3.90 <br />23 <br />19 <br />8.5 <br />4.5 <br />1.7 <br />0.4 <br />0.1 <br />23 <br />9 <br />i2 <br />UPLAND DIVERSION <br />34.56 <br />27 <br />22 <br />10 <br />5 <br />2 <br />0.5 <br />0.1 <br />27 <br />9 <br />18 <br />CREST DITCH <br />3.90 <br />NONE <br />NONE <br />NONE <br />I NONE <br />NONE <br />NONE <br />NONE <br />N/A <br />N/A <br />8 <br />SEDIMENT POND DIVERSION <br />0.12 <br />NONE I <br />NONEI <br />NONE I <br />NONEI <br />NONE I <br />NONEI <br />NONE <br />N/A <br />N/A <br />NOTES <br />1) RIPRAP AND FILTER MATERIAL SHOULD BE WELL GRADED. <br />2) REQUIREMENTS BASED ON THE SURFACE MINING WATER DIVERSION DESIGN MANUAL (OSM, 1982). <br />3) TOTAL CHANNEL DEPTH INCLUDES A MINIMUM OF 0.3 FEET DRY FREEBOARD. <br />4) ALL MEASUREMENTS ARE IN INCHES. <br />5) SEDIMENT POND DIVERSION DITCH WILL USE 1:1 SIDE SLOPES. <br />SIDE DITCH <br />I <br />20' <br />COAL +6" MIN. <br />WASTE <br />< i 2%% <br />RIPRAP AND T <br />; r� 1H:1V <br />FILTER, SEE B 1 1' MIN. <br />NATURAL <br />ADJACENT TO COAL WASTE GROUND <br />RUNOFF CONTROL DITCH DETAIL <br />N,S <br />ACCESS ROAD DITCH <br />20' TYP. 5 <br />--� 11— <br />SAFETY BERIYI -_. -\ GRADED TO <br />DRAIN _ i <br />2f <br />1F__'� <br />1H:iV <br />1H:1V <br />6' MIN. <br />BELOW HAUL ROAD <br />SEDIMENT POND ACCESS ROAD <br />NTS <br />BY <br />DATE <br />N <br />DESIGNED <br />w <br />0 <br />- <br />DRAWN <br />z <br />w <br />_ <br />-- <br />CHECKED <br />w <br />APPROVED <br />W <br />APPROVED <br />APPROVED <br />G. E. 11/95 <br />M.G.B. 11/95 3 I0 IZS('16 <br />ENGINEER <br />INFORCED CONCRETE APRON <br />L5 SEDIMENT POND <br />5' EMERGENCY SPILLWAY <br />8" DIA. OUTLET PIPE <br />REAM FACE <br />FORCED CONCRFTE <br />MENT POND WALL <br />Z., <br />SEDIMENT POND <br />�Z <br />�r+ RL)NOFr <br />CONTROL DITCH <br />INSIDE SIDE SLOPES 1 <br />IF ON HAUL ROAD <br />4X 2 <br />0.3' MIN. DRY FREEBOARD , <br />X <br />RIPRAP THICKNESS, R A- <br />2 1 _ <br />FII TER THICKNESS, T - -- <br />STRIPPED GROUND <br />SURFACE --__ <br />10 MIN. I <br />TERRACE DETAIL E <br />N 1S <br />SCANNED <br />PREPARED FOR PREPARED BY <br />OXBOW CARBON AND MINERALS, INC. "4w w c� ■ cam. <br />SANBORN CREEK MINE 5600 SOUTH QUEBEC ST . SUITE 307 -D <br />ENGLEWOOD, COLORADO 80111 <br />(303) 290 -9113 <br />TITLE SCALE AS SHOWN }7E- 041/._ <br />COAL MINE WASTE BANK DESIGN DRAWING No. -- <br />SEDIMENT POND PLAN AND 95255 -61 '3Q 1 1996 <br />MISCELLANEOUS DETAILS <br />Diviwil l 'uI Ir11H0i V W u 4'cu <br />RE VFSI ON <br />■ <br />001007 <br />