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7950 <br />w <br />z <br />0 <br />~ 7900 <br />a <br />w <br />J <br />W <br />7850 <br />0 <br />RIPRAP THICKNESS <br />1.6 X Dtn TYPICAL <br />TYPICAL RIPRAP LINED CHANNEL <br />NOT TO SCALE <br /> <br />3 <br />U <br />a <br /><' <br />- 7 4.3% <br />-14.4% <br />'2 .59' <br />-/s.s% <br />'25.0% <br />- .D% -8. a <br />+00 1+00 2+00 3+00 4+00 5+OC <br />DISTANCE (FT) <br />Sll PM-6A CHANNEL PROFILE <br />SCALE <br />3v o sd av <br />HaazonrAL s vERncy~ <br />GEOTE%TILE <br />(WHERE REQUIRED) <br />NorES: <br />Ll CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESUL rING FROM THE <br />f0 YEAR, 24 HOUR STORM EVENT. <br />2.l DESIGN FLOW ROUNDED r0 NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANAL YS/S. <br />3.l DEPTH OF FLOW BASED ON M/N/MUM GRADE. <br />4.1 VEL OC/rY BASED ON MAX/MUM GRADE. <br />5.1 GEOTEXT/LE REQU/RED FOR OSD 9" OR GREATER. <br />7950 <br />W <br />z <br />7900 <br />w <br />J <br />W <br />7850 <br />RECE~~/ED <br />JUh~ 5 4 2004 <br />Oiuisian of Minerals and Cea <br /> 7850 7aso <br /> <br />z <br />0 z <br />0 <br />F- <br />> ~ <br /> > <br />w w <br />w 7800 7800 w <br /> <br /> 0+00 1+00 <br /> DISTANCE (FT) <br /> Sll PM- B CHANNEL PROFILE <br /> <br /> <br />scALE <br />i <br />30' 0 30' BO' <br /> HORIZONTK Q VERTICAL <br /> I PROFESS/ONAL ENGINEER'S STATEMENT <br /> /, Donie/ % Keuscher, of /his chonnel <br /> design wos prepor ~ <br />o/l /he in tormoli <br />{f ~ er vision and <br />is true <br /> ~ ~ <br />i and correct to ~ ~,llaMF~: ledge <br /> and in formolio Via G~SO <br /> Design Flow SID a <br />~ Bottom Witlth Sltla Slapa Depth of Velocity Freeboartl Total Depth Riprap D60 <br />Channel D, Ictsl 1 IBWI IHaVI Flow IDI Itn Ifpsl IfH Iftl Onl <br /> 111 antl 121 Iftl 131 I61 <br />PM-6a 1 8-T] 5 3 0.f 3.6 0.3 0.4 Gravel <br />PM-60 f 9.1] 5 ? 0.f 3.6 0.3 0.4 Gravel <br /> <br />e .. ~,.p <br />SENECA COAL <br />COMPANY <br />CHANNEL PM-BA & PM-BB <br />PROF/LE <br />T~rraMeftrlx s%°°' eorzssB..l <br />SCALE: E%HIaIT Ho <br />MONTGOMMIY WATSON a ~~ ' YO <br />