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0 <br />7500 <br />'1 <br />7460 <br />z <br />0 <br />a <br />> <br />w <br />LL 7440 <br />7420 <br />7400 <br />L <br />7500 <br />PLAN VIEW - POND 016 DESIGN <br />NOT TO SCALE " "" `^ "" <br />EMERGENC Y SPILL WA Y SCHEDULE <br />ELEV. <br />IFT. -MSL) <br />PEAK <br />SIDE <br />CHANNEL <br />DESCRIPTION <br />FLOW <br />0.0 <br />RIPRAP <br />SECTION <br />DISCHARGE <br />SLOPE <br />SLOPE <br />VELOCITY <br />DEPTH <br />FREEBOARD <br />REQUIRED <br />D(50) <br />4.0 <br />(CFS) <br />1.06 <br />I %) <br />(FPS) <br />(FT) <br />(FT) <br />(IN) <br />CREST <br />42.5 <br />3H:1V <br />0 <br />1.8 <br />1.0 <br />1.9 <br />GRAVEL <br />OUTFLOW <br />82.8 <br />3H:1V <br />33 <br />7.8 <br />0.5 <br />1.0 <br />6 <br />7460.0 <br />14.0 <br />0.785 <br />6.66 <br />DRAWN BY <br />7460.3 <br />14.3 <br />(Design size -Pader method) <br />6.90 <br />PRINCIPAL SPILLWAY <br />7462.0 <br />16.0 <br />0.881 <br />8.32 <br />M W H <br />MONTGOMERY WATSON HARZA <br />9 <br />18.0 <br />0.989 <br />10.19 <br />7466.0 <br />20.0 <br />1.091 <br />(SCC Construction size) <br />NOTE: <br />1.) OUTFLOW CHANNEL DESIGNED FOR 25 -YEAR, 24 -HOUR PEAK FLOW. <br />(COMBINED DISCHARGE FROM PRINCIPAL AND EMERGENCY SPILLWAYS) <br />POND 016 STAGE CA PA CI T Y <br />ELEV. <br />IFT. -MSL) <br />STAGE <br />(FT.) <br />AREA <br />(ACRES) <br />TOT. CAP. <br />(AC. -FT.) <br />DESCRIPTION <br />7446.0 <br />0.0 <br />0.162 <br />0.00 <br />BOTTOM OF POND <br />7448.0 <br />2.0 <br />0.275 <br />0.43 <br />7450.0 <br />4.0 <br />0.349 <br />1.06 <br />31459 <br />7452.0 <br />6.0 <br />0.428 <br />1.83 <br />7454.0 <br />8.0 <br />0.512 <br />2.77 <br />TLeidich <br />7456.0 <br />10.0 <br />0.603 <br />3.88 <br />06101 <br />7458.0 <br />12.0 <br />0.695 <br />5.18 <br />FEV <br />No. <br />7460.0 <br />14.0 <br />0.785 <br />6.66 <br />DRAWN BY <br />7460.3 <br />14.3 <br />0.799 <br />6.90 <br />PRINCIPAL SPILLWAY <br />7462.0 <br />16.0 <br />0.881 <br />8.32 <br />M W H <br />MONTGOMERY WATSON HARZA <br />7464.0 <br />18.0 <br />0.989 <br />10.19 <br />7466.0 <br />20.0 <br />1.091 <br />12.27 <br />7466.5 <br />20.5 <br />1.119 <br />12.82 <br />EMERGENCY SPILLWAY <br />7468.0 <br />22.0 <br />1.204 <br />14.57 <br />7469.4 <br />23.4 <br />1.290 <br />16.31 <br />TOP OF EMBANKMENT <br />Ill <br />user <br />LUU <br />full <br />NOTE: DISTANCE (Ft.) <br />1.) EMBANKMENT CREST AND OUTSLOPES REVEGETATED w <br />WITH APPROVED TEMPORARY GRASS SEED MIX. A CROSS- SECTION - A -A' <br />13.s 1s.s Vertical Scale 1"=20' <br />Horizontal Scale I " =20' <br />It <br />Li <br />Z <br />7460 <br />> <br />w <br />J <br />w <br />7440 <br />7420 L <br />0 <br />NOTE: <br />1.) EMBANKMENT CREST AND OUTSLOPES REVEGETATED <br />WITH APPROVED TEMPORARY GRASS SEED MIX. <br />100 <br />TOP OF EMBANKMENT <br />ELEV. 7469.4' <br />"- PRINCIPAL SPILLWAY <br />INVERT ELEV. 7460.3' <br />24 "CMP RISER WITH <br />TRASH RACK EXISTING GROUND <br />DISTANCE (Ft.) <br />B CROSS - SECTION - B -BI <br />13.9 13.9 Vertical Scale 1 " =20' <br />Horizontal Scale 1 " =20' <br />200 <br />EMERGENCY SPILLWAY <br />INVERT ELEV. 7466.5' <br />BOTTOM WIDTH 20.0' <br />Los] <br />7500 <br />LL <br />Z <br />7460 <br />7440 <br />300 420 <br />w <br />J <br />w <br />L9A1 <br />+11 <br />TYPICAL TRASH RACK DETAIL <br />PRINCIPAL SPILLWAY <br />Not To Scale <br />.11 <br />PRINCIPAL SPILLWAY <br />INVERT ELEV. 7460.3' <br />DRRUGATED METAL PIPE RISER <br />90 DEGREE ELBOW WELDED TO IT. <br />�- DETAIL /SECTION <br />A NUMBER <br />6 6 <br />DRAWING No. WHERE - DRAWING No. WHERE <br />DETAIL /SECTION DETAIL /SECTION <br />IS REFERENCED IS SHOWN <br />7500 <br />:1 <br />7460 , <br />7440 <br />7420 <br />700 7400 <br />z <br />0 <br />w <br />PROFESSIONAL ENGINEER'S 5 T TEMEN <br />Thomas <br />E. Leidich, <br />state that the changes in <br />RR -03, doled 4103 <br />was prepared under <br />my std <br />and all the <br />information presented hereon <br />is ui <br />correct to <br />the best <br />of y knowledge on <br />Info <br />y z Z- �23 <br />D.Keuscher <br />2 <br />Date <br />oThomas <br />E. L eidich, CO-77-E. <br />31459 <br />REGIS,�.rV// <br />E. (fjO.t�O <br />31459 ? rr <br />.L4.1 <br />' /ONA���`��� <br />4 <br />PR -03 Responses <br />04103 <br />TLeidich <br />KConrath <br />JJemes <br />3 <br />PR -03 Responses <br />04102 <br />D.Keuscher <br />C.Wiiliems <br />D.Keuscher <br />2 <br />Issued For PR -03 <br />01102 <br />D.Keuscher <br />MMethisen <br />D.Keuscher <br />1 <br />Issued ForTR -40 <br />09101 <br />D.Keuscher <br />JBever <br />TLeidich <br />0 <br />Issued For As -Built Report <br />06101 <br />TLeidich <br />TLeidich <br />TLelolch <br />FEV <br />No. <br />REVISIONS <br />DATE <br />DESIGN BY <br />DRAWN BY <br />REVIEWED AND <br />SIGNED BY <br />SIE1vECA <br />Coal Company <br />PROJECT: <br />SENECA X W <br />APR 2 8 2 <br />DRAWING TITLE DiVisionof Minerals aGeol <br />POND 016 DESIGN REVISION <br />M W H <br />MONTGOMERY WATSON HARZA <br />Sheet 1 Of 1 Sheets <br />SCALE: <br />see scaly Ber <br />DRAWING No. <br />13 -9B <br />