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DI TCH <br />D -Fl5 <br />I- N 19, 000 <br />0 / 20' <br />IN <br />e <br />SPILL WA Y <br />DITCH <br />D -F7 <br />i <br />i <br />.� <br />i <br />� CpNpl. <br />fo DEE AIL oUNTpIN <br />-N 1 /D CH FIRE M <br />W <br />I <br />5980 <br />5970 <br />5960 <br />5950 <br />ORIGINAL GROUND <br />5940 <br />5930 <br />5956 <br />5954 <br />5952 <br />5950 <br />5948 <br />5946 <br />5944 <br />5942 <br />5940 <br />5938 <br />PILE COVER <br />FULL SEDIMENT EL. 5944 <br />' DI TCH <br />Z <br />A , <br />POND F <br />i <br />de DI TCH <br />B D-F24 <br />i <br />i <br />DEWATERING <br />PIPE , , <br />PIPED <br />i DEE CH <br />M <br />HWA y 133 <br />OLD STATE HIG <br />L <br />W <br />L <br />2.0' <br />1 <br />2.0 <br />POND F <br />PLAN VIEW <br />SACLE 1" = 40' <br />DEPTH <br />FULL WATER EL. 5952 <br />OUT -SLOPE <br />\ 2.OH:1.OV- <br />SECTION A - A' <br />SEDIMENT POND F <br />HORIZONAL SCALE 1" = 20' <br />VERTICAL SCALE 1" = 20' <br />EMBANKMENT <br />/ EF -�� <br />FECTIVE <br />CT nUF 2 nu•1 m <br />BOTTOM EL. 5942 <br />EMERGENCY SPILLWAY 0' TOP OF EMBANKMENT EL. 5954 <br />INLET EL. 5952 MIN. <br />FULL WATER EL. 5952 <br />FULL WATER LEVEL VS <br />♦ <br />1 ♦ <br />♦ <br />FULL SEDIMENT EL. 5944 2 1 <br />ANTI -SEEP COLLAR ♦♦ <br />♦ <br />♦ <br />-L_J__________ <br />♦ <br />6" VALVED DEWATERING PIPE <br />INLET EL. 5944 <br />SECTION B - B' <br />SEDIMENT POND F <br />HORIZONAL SCALE 1" = 10' <br />VERTICAL SCALE 1" = 4' <br />5980 <br />5970 <br />5960 <br />5950 <br />5940 <br />5930 <br />5956 <br />5954 <br />5952 <br />5950 <br />5948 <br />5946 <br />5944 <br />5942 <br />5940 <br />5938 <br />we 10.0' <br />3HAV EMBANKMENT SPILLWAY DETAIL <br />POND F <br />FULL FLOW LEVEL <br />10.0' <br />EMEGENCY SPILLWAY DETAIL <br />POND F <br />1.6' FREEBOARD <br />1 <br />0.4' FLOW DEPTH <br />f <br />f <br />1.2' FREEBOARD <br />0.8' FLOW DEPTH <br />WIDTH <br />,,"ZO 3' FREEBOARD <br />FULL FLOW LEVEL <br />1 <br />1.5 <br />MINIMUM DITCH <br />DEPTH REQUIREMENTS <br />DRAINAGE AREA F <br />DITCH <br />No. <br />DITCH <br />DEPTH <br />FLOW <br />DEPTH <br />D -Fl <br />0.9 <br />0.6 <br />D -F2 <br />1.2 <br />0.2 <br />D -F3 <br />1.1 <br />0.1 <br />D -F4 <br />1.3 <br />1.0 <br />D -F5 <br />0.8 <br />0.5 <br />D -F6 <br />1.8 <br />0.8 <br />D -F7 <br />1.7 <br />0.7 <br />D -F8 <br />0.6 <br />0.3 <br />D -F9 <br />0.5 <br />0.2 <br />D -F10 <br />0.6 <br />0.3 <br />D -F11 <br />0.7 <br />0.4 <br />D -F12 <br />0.6 <br />0.3 <br />D -F13 <br />0.6 <br />0.3 <br />D -F14 <br />0.6 <br />0.3 <br />D -F15 <br />0.5 <br />0.2 <br />D -F16 <br />0.6 <br />0.3 <br />D -F17 <br />0.6 <br />0.3 <br />D -F18 <br />0.6 <br />0.3 <br />D -F19 <br />0.9 <br />0.6 <br />D -F20 <br />1.6 <br />1.3 <br />D -F21 <br />1.3 <br />0.3 <br />D -F22 <br />1.2 <br />0.2 <br />D -F23 <br />1.1 <br />0.1 <br />D -F24 <br />1.1 <br />0.1 <br />UpDivWest <br />1.3 <br />0.3 <br />UpDivEast <br />1.3 <br />0.3 <br />DITCH DETAILS <br />DRAINAGE AREA F <br />SEE MAP No. 21 -3 FOR LOCATIONS <br />MINIMUM CULVERT SIZE <br />DRAINAGE AREA F <br />CULVERT <br />MINIMUM <br />No. <br />DIA. <br />C -Fl <br />30 <br />C -F2 <br />36 <br />C -F3 <br />18 <br />C -F4 <br />18 <br />C -F5 <br />30 <br />POND F CAPACITIES <br />ACRE - FEET <br />MATER SEDIMENT TOTAL <br />DESIGN CAPACITY 3.32 0.48 3.80 <br />REQUIRED CAPACITY 3.3 0.3 3.6 <br />FLOW DEPTH <br />X <br />No. DESCR /PTION: <br />NOTES: <br />1. <br />For pond and ditch sizing calculations <br />see Volume III, Exhibit 8. <br />2. <br />Riprap shall consist of hard, dense, rough <br />fractured stone as nearly cubical as <br />practical. Stone shall be well graded in <br />order that the voids can be filled, and at <br />least 50 percent of the mass shall be <br />stones equal to or larger than the specified <br />riprap size. <br />3. <br />A geotextile fabric shall be placed under <br />all riprap. Use Mirafi 60OX or equal. <br />4. <br />Pond dewatering pipe shall be plastic <br />irrigation pipe, PIP, 80 psi rated, with bell <br />and spigot joints or glued joints, valved <br />on the outlet end. <br />5. <br />For sediment control plan see Map No. 20. <br />6. <br />For drainage plans see Map No. 21 -1, 21 -2 <br />21 -3 and 21 -4. <br />REFERENCES <br />2 1 VOLUME 1, SECTION 2.05.3(4) <br />'REPARED FOR: <br />BOWIE RESOURCES, LTD. <br />BOWIE NO. 2 MINE <br />P.O. BOX 483 <br />WK RESOURCES, LTD. PAOMA, COIDRADO 81428 <br />PREPARED BY: I ONE INCH <br />7. E. STOVER k ASSOCIATES <br />_- 2788 Compass Dr., Suite 101 DESIGNED ET(: L.K. ✓. 01 <br />Grand Jot., CO 81508 <br />DRAWN BY: <br />N/47 13 ?p�3 <br />M�r*WS <br />ENGINEER'S CERTIFICATION <br />I hereby certify that this drawing was done <br />by me or under my direct supervision and <br />thatodg'WEVpo4n form ation presented on <br />fh' l�p qrj'. aie and correct to the <br />¢ •�'off m�di,Q'4dge and belief and <br />BY DATE + ?mE'B was cow cted in accordance <br />this <br />J <br />es Stov_ c , ate <br />BOWIE-NT-: -VINE <br />TITLE: <br />COAL MINE WASTE DISPOSAL AREA <br />POND F DETAIL <br />DMG I.D. No. C - 96 - 083 DWG. NAME: <br />SCALE: 1 „ = 40, FIGURE 3 <br />