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I• <br />• <br />s <br />U <br />0 <br />7800 <br />7700 <br />7soo <br />Z <br />0 <br />a <br />w 7500 <br />J <br />W <br />7400 <br />7300 ~ <br />0 <br />500 1000 <br />DISTANCE (FT) <br />SlI PM-20 CNA'NNEL PROFILE <br />1500 <br />7soo <br />7700 <br />7soo <br />Z <br />0 <br />a <br />7500 w <br />J <br />W <br />7400 <br />7300 <br />1 71 <br /> Dacipn Flow Sloe <br />~ Bottom Witlih Sitle Slope Depth of Velaclty FreeDOartl Totel Depth Riprep D6 <br />Ch <br />nel D, Icfsl I <br />I IBWI IH:1V1 FIDw IDI Ittl ltpsl Iftl Iltl Ilnl <br />lll 121 AND 131 Iltl 141 I61 I61 <br />PM-20 J6 fJ-22 2 3 tt fi.B6 0.3 td g <br /> 36 23-11 2 3 0.9 901 0.3 1.2 fI <br />RIPRAP THICKNESS <br />TYPICAL RIPRAP LINED CHANNEL <br />NOT TO SCALE <br />FREEBOARD <br />GEOTE%TILE <br />(WHERE REOUIREDI <br />NOTES: <br />T.1 CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />f0 YEAR, 24 HOUR STORM EVENT. <br />2.1 DES/GN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOG/C ANAL <br />3.l DEPTH OF FLOW BASED ON MlN/MUM GRADE. <br />4.1 VELOCITY BASED ON MAX/MUM GRADE. <br />5.1 GEOTEXTILE REOUl4ED FOR Osp 9" OR GREATER. <br /> LL <br /> <br />100• SGIE <br />0 100• <br />zoo• <br /> HDPoZDNTAL k VERTICAL <br /> <br />e rR.er voe aee.W ARSY[W <br />r rn-v nw+eee else Kr:.W.W: ae.... rawu <br />o rn-u sroe .ew.,.. ae.w raWmoNN <br />HEe' REVIBpHO DeIE Df01GV BY pl/.WN BY REVEWED eNp <br />vDreD ar <br />SENECA COAL <br />COMPANY <br />gWING TITLE: <br />CHANNEL PM-20 <br />PROF/LE <br />(y~ M W H s~ENI 29 GI 2J Sheet, <br />SCALE DPAWING No. <br />As Sno.n ]-'1Q <br />