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\ <br />i <br />i s / <br />/ Rip Rap l n � <br />�,r--Diversion Channel <br />EMERGENCY <br />SPILLWAY <br />j <br />LEGEND: <br />PERMIT BOUNDARY <br />DI TCH <br />- - - - -- BERM <br />DRAINAGE SUBBAS/N BOUNDARY <br />® DRAINAGE CONTROL AREA <br />SEDIMENT FENCE <br />— CUL VERT <br />EXISTING STREAM <br />McClane Creek <br />i <br />C -1 DRAINAGE BASIN <br />❑H iDESIGN POINTS <br />Upper McClane <br />C -7 <br />MIN CREST ELEV. L63 <br />6' <br />3 <br />R 1 / / — <br />/� — <br />� <br />ANTI —SEEP <br />z 7LLARS <br />OUTFLOW DITCH <br />OUTFLOW DITCH <br />D -1 <br />C -2 <br />1 \ 1 <br />D 5 1 <br />I � <br />SEDIMENT POND - SECTION AND DETAILS <br />SPILLWAY INLET ELEV. 5462 <br />�— MAX. WATER ELEV. 5462 <br />2 <br />6" VALVED OUTFLOW PIPE <br />INLET ELEV. 5457 <br />1.5 1.5 1 <br />�1 1� 15 <br />3 _I <br />ENGINEER'S CERTIFICATION <br />l hereby certify that this drawing was done <br />by me or under my 4* . ervision and <br />that all of the ( �Pwsented on <br />this drawing is � e'tmr d Zg* to the <br />best of my kn:iX ge and P <br />* • 9230 v <br />James E. Sto Z• • ,tle <br />Colorado P.E P'*;V- .••. SP <br />(DESIGNED BY: <br />DRAWN BY: <br />POND BOTTOM ELEV. 5452 <br />ORIGINAL GROUND <br />POND CAPACITIES <br />4 <br />10 YR — 24 HR STORM VOLUME 0.36 ACRE —FEET <br />WATER STORAGE VOLUME 0.67 ACRE —FEET <br />SEDIMENT STORAGE VOLUME 0.28 ACRE —FEET <br />MAX. SEDIMENT CAPACITY ELEV. 5457 <br />EMERGENCY SPILLWAY <br />�1 1 <br />0.5 <br />4' <br />PREPARED FOR: PROJECT: MCCLANE CANYON MINE <br />W <br />Central Appalachia Mining, LLC TITLE: <br />ro. Bz z P.O. BOX 98 <br />116 MW SURFACE WATER CONTROL SYSTEMS <br />Wxdq raMdv 11501 Lwa, CO 81524 <br />Mom #: (6%) an-rvoo <br />rm r: (W 131-0031 970-858 -3980 <br />PREPARED 5y'1. E. STOVER &ASSOCIATES, INC. <br />P.O. Box 60940 DMG I.D. No. C — 80 — 004 DWG. NAME: <br />Grand Jet., Co 81508 SCALE: 1" 100 <br />FIGURE 2.2 -3 <br />---- = <br />U) <br />Z <br />4 <br />Route Drainage South of Shop <br />✓. E S. <br />03115106 <br />O <br />U-) <br />3 <br />TR -14, Re— establish original McClane Creek flow, plug culvert F', & re— direct flow <br />T.K.B. <br />09126105 <br />2 <br />TR -13, Pond embankment rebuild, Show valve, Amend elevation datum <br />J.E.S. <br />12110104 <br />1 <br />Digital Version for TR -12 <br />L.K.J. <br />06116104 <br />No. <br />I DESCRIPTION.• <br />BY <br />DATE <br />REFERENCES <br />LEGEND: <br />PERMIT BOUNDARY <br />DI TCH <br />- - - - -- BERM <br />DRAINAGE SUBBAS/N BOUNDARY <br />® DRAINAGE CONTROL AREA <br />SEDIMENT FENCE <br />— CUL VERT <br />EXISTING STREAM <br />McClane Creek <br />i <br />C -1 DRAINAGE BASIN <br />❑H iDESIGN POINTS <br />Upper McClane <br />C -7 <br />MIN CREST ELEV. L63 <br />6' <br />3 <br />R 1 / / — <br />/� — <br />� <br />ANTI —SEEP <br />z 7LLARS <br />OUTFLOW DITCH <br />OUTFLOW DITCH <br />D -1 <br />C -2 <br />1 \ 1 <br />D 5 1 <br />I � <br />SEDIMENT POND - SECTION AND DETAILS <br />SPILLWAY INLET ELEV. 5462 <br />�— MAX. WATER ELEV. 5462 <br />2 <br />6" VALVED OUTFLOW PIPE <br />INLET ELEV. 5457 <br />1.5 1.5 1 <br />�1 1� 15 <br />3 _I <br />ENGINEER'S CERTIFICATION <br />l hereby certify that this drawing was done <br />by me or under my 4* . ervision and <br />that all of the ( �Pwsented on <br />this drawing is � e'tmr d Zg* to the <br />best of my kn:iX ge and P <br />* • 9230 v <br />James E. Sto Z• • ,tle <br />Colorado P.E P'*;V- .••. SP <br />(DESIGNED BY: <br />DRAWN BY: <br />POND BOTTOM ELEV. 5452 <br />ORIGINAL GROUND <br />POND CAPACITIES <br />4 <br />10 YR — 24 HR STORM VOLUME 0.36 ACRE —FEET <br />WATER STORAGE VOLUME 0.67 ACRE —FEET <br />SEDIMENT STORAGE VOLUME 0.28 ACRE —FEET <br />MAX. SEDIMENT CAPACITY ELEV. 5457 <br />EMERGENCY SPILLWAY <br />�1 1 <br />0.5 <br />4' <br />PREPARED FOR: PROJECT: MCCLANE CANYON MINE <br />W <br />Central Appalachia Mining, LLC TITLE: <br />ro. Bz z P.O. BOX 98 <br />116 MW SURFACE WATER CONTROL SYSTEMS <br />Wxdq raMdv 11501 Lwa, CO 81524 <br />Mom #: (6%) an-rvoo <br />rm r: (W 131-0031 970-858 -3980 <br />PREPARED 5y'1. E. STOVER &ASSOCIATES, INC. <br />P.O. Box 60940 DMG I.D. No. C — 80 — 004 DWG. NAME: <br />Grand Jet., Co 81508 SCALE: 1" 100 <br />FIGURE 2.2 -3 <br />---- = <br />