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i• <br />I • <br /> <br />5 <br />U <br />0 <br /> <br />8000 <br />7900 <br />., 7800 <br />z <br />0 <br />a <br />w 7700 <br />J <br />W <br />7600 <br />7500 L <br />0 <br />TYPICAL V CHANNEL <br />NOT TO SCALE <br />FREEBOARD <br />500 1000 <br />DISTANCE (FT) <br />Sll PM-19 CHANNEL PROFILE <br />1500 <br /> Deslpn Flow Sloe <br />~ Bottom Witl ih Sltla Slope Oapih of Velocity Freaooar0 Total Depth Riprap D50 <br />Channel D. Ictsl I IBWI IH:1V1 Flow IDI Iltl Ilpsl 1111 Iltl linl <br />NI 121 AND 131 Ittl 141 151 <br />PM-f9 1 9-If 0 3 0.l 1.OP O.J 10 N.A. <br />NOTES: <br />1.1 CHANNEL DESIGNED FOR EXISTING WORST CASE, VEGETATED, V-SHAPED CONDIT/ONS. <br />2.l CHANNEL WAS DES/GNED 70 SAFELY CONVEY RUNOFF RESULTING FROM THE <br />f0 YEAR, 24 HOUR STORM EVENT. <br />3.1 DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS. <br />4.1 DEPTH OF FLOW BASED ON M/NIMUM GRADE. <br />5.l VEL OC/TY BASED ON MAX/MUM GRADE. <br />8000 <br />7900 <br />7800 <br />7700 <br />7600 <br />7500 <br />1828 <br /> <br />lao• SCALE <br />o IW zao• <br /> HOPoZdlTAL k FER7ICAL <br /> <br />1 rN.]i LOS leaMr KCm.O 1YMk> <br />o m.u vice ]eow ]e..m fiwu <br />NeY~ RE VQpNS 0/.tE OE BIfN BY pi/.WN BY RE6IGIWE OBB ro <br />SENECA COAL <br />COMPANY <br />CHANNEL PM-f9 <br />PROF/LE <br />© M W H SBem ,9 G. PJ SB.e, <br />SCALE DRAWING <br />ni Snom JZD <br />