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I • <br />I • <br />8000 <br />7800 <br />7600 <br />W <br />0 7400 <br />a <br />w <br />J <br />w 7200 <br />7000 <br />ssoo L <br />0 <br />iooo <br />VEGETATION <br />FREEBOARD <br />2000 <br />sooo aooo <br />F~ I UPPER I ~~~ I MID I ~ ~ I~ LOWER ~-I <br />TYPICAL V CHANNEL <br />NOT TO SCALE <br />RIPRAP THICKNESS <br />FREEBOARD <br />t <br />7800 <br />7600 <br />W <br />z <br />7400 <br />Q <br />W <br />7200 L" <br />7000 <br /> <br />i <br />V <br />0 <br />a <br />GEOTE%TILE <br />(WHERE REQUIRED) <br />TYPICAL RIPRAP LINED CHANNEL <br />NOT TO SCALE <br />NOTES: <br />1.1 DEPTH OF FLOW BASED ON MINIMUM GRADE. <br />2.1 VELOCITY BASED ON MAX/MUM GRADE. <br />3.I Sll PM-4 LOWER /S FROM POND T-23 TO SI/ PM-i6. <br />4.1 S/I PM-4 M/D /S FROM Sll PM-16 TO POND T-26. <br />5.1 SI/ PM-4 UPPER /S ABOVE POND T-26. <br />6.1 CHANNEL DESIGNED FOR EXISTING WORST CASE, VEGETATED, V-SHAPED CONDITIONS. <br />7.l CHANNEL WAS DES/GNED TO SAFELY CONVEY RUNOFF RESULT/NG FROM THE <br />f00 YEAR, 24 HOUR STORM EVENT. <br />8.1 CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULT/NG FROM THE <br />f0 YEAR, 20 HOUR STORM EVENT. <br />9.1 GEOTEXTILE REQUIRED FOR D50 9" OR GREATER. <br />4000 <br />5000 DISTANCE (FT) 6000 <br />Sll PM-4 CHANNEL PROFILE <br /> <br />Cnennel Design Flow <br />O, lots! Slope <br />IXI Bottom WItl10 <br />IBWI <br />IRI Sltle Slope <br />IH:1V1 Deptr, of <br />Flow IDI Iltl <br />IA Velocity <br />If sl <br />PI Freecoartl <br />Iftl Totel Depth <br />Iltl Riprep D50 <br />Onl <br />PM-4 61.2 bl 6-10 f0 J 0,5 10.5 0.3 0.6 9 <br />!Cower! <br />13) <br />PM-4 40.8 !ll 13-20 f0 J 0.4 13.6 03 OJ 9 <br />!!~l 40.8 Oi 11-30 f0 J 0.3 20.6 0.3 0.6 f1 <br /> d0.e Ol 31-3J f0 J 0.2 2J.6 0.3 0.5 15 <br />PM-4 11.4 (Bl 6.9-11.1 0 3 I4 5.99 0.3 1J N.A. <br />!Upper/ <br />1516/6/ i1.4 IBl IfI-19.6 2 3 OJ 6.5] 0.3 t0 9 <br />I I I 6800 <br /> 7048 <br /> <br />200' scut <br />0 200' <br />400' <br /> MOPo20NTAL k VBi11CAL <br />r rN-n vm r4t.w ivw.w <br />t _x nteo..t.. era <br />x ae.w uxxn <br />D ra.n era iDOm. ra..t. ra..wtn <br />flHeV' PEVI$gH$ <br />_ OnIE DE6GV BY pflnWN OY FEVEWED nND <br />0 G1ED BV <br />SENECA COAL <br />COMPANY <br />DRAWING TITLE: <br />CHANNEL PM-4 <br />PROF/LE <br />© M W H 5n.,, <ql 13 sen,a <br />SCALE: pRAWiNG No. <br />At Snoxn J Z~ <br />1~' <br />ZZ w~ <br />r, aooo <br />