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7600 <br />7500 <br />t1 <br />Z <br />7400 <br />w <br />J <br />t`~ 7300 <br />7200 <br />1 <br />24.89, <br />37y <br />0 200 400 600 800 1000 <br />DISTANCE (FT) <br />Sll PM-8a CHANNEL PROFILE <br />scAEE <br />l oo• o loo• 200• <br />Hol:rzoNrAL a vERncA~ <br />STFFP RIPRAP DESIGN <br />RE~E~~/ED <br />Iq,/ <br />._ . ~ = r~94 <br />1 <br />••.~ -Iu <br />.., ..,;;,eolo3Y <br /> <br /> Dasipn Flow Sloe Bottom Witlth Sitle Slope Depth of Velocity Freeboartl Total Depth Rlprep D50 <br />Channel O, leffll IY.I IBW1 IH:1V1 Flow IDI Ittl Ifpsl Iftl Ittl Ilnl <br />Itl 111 AND 121 Iftl 131 191 151 AND Iel <br />PM-6e 10 20-31 4 3 0.1 na 0.3 0.4 450.9" <br />Note: Steep design modeled by SEDCAD4, Simons/OSM method <br />ALTERNATE EXISTING MEANDER <br /> Design Flow Slope Bottom Width Sitle Slope Depth of Valoclty Freeboard Total Depth Rlprep D50 <br />Cnennel D. Ic(sl IY.1 IBWI IH:NI Flow IDI 1111 Ilpfll let Iltl Ilnl <br />hl hl AND 121 Utl 131 191 I51 AND 161 <br />PM-fie Roughened <br />meander 10 16-21 20 2 0.1 4./ 0.3 0.4 sport <br />Note: Design based on typical channel section. <br />NOTES: <br />i.l CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />fa YEAR, 24 HOUR STORM EVENT. <br />` 2.1 DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOG/C ANALYSIS. <br />e 3.I DEPTH OF FLOW BASED ON MIN/MUM GRADE. <br />' 4.l VELOCITY BASED ON MAXIMUM GRADE. <br />- 5.l VEGETATION LINED CHANNELS, USE GRASS MIXTURE. <br />6.1 GRAVEL LINED CHANNELS l3 INCH, MINUS MATERIAL/. <br />TYPICAL LINED CHANNEL <br />NOT TO SCALE <br />7600 i <br />7500 <br /> ~ <br />r <br /> m <br /> D <br />7400 p <br /> z ~ <br /> <br />7300 <br />7200 <br />1, Doniel % Keuscl <br />design wos prepay <br />al/ the infor maflbn <br />and correct to Pub <br />and informa tion. <br /> <br />Doie Doni <br />and <br /> <br />SENACA COAL <br />COMPANY <br />CHANNEL S//PM-8a PROF/LE <br />© M W H fl~„. B OI 23 fl~eels <br />SCPLE: EXHIBIT No. <br />As $~OWII ]-jQ <br />