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7800 <br />7700 <br />F- <br />7600 <br />Z <br />0 <br />F <br />w 7500 <br />J <br />W <br />7400 <br />7300 L <br />0 <br />i <br />RIPRAP THICKNESS FREEBOARD <br />1.5 X D30 TYPICAL <br />i <br />k <br />0. <br />H GEOTEXTILE <br />t BW (WHERE REOUIRED) <br />t <br />k <br />i TYPICAL RIPRAP LINED CHANNEL <br />NOT TO SCALE <br />JVV IUVU <br />DISTANCE (FT) <br />SII PM -20 CHANNEL PROFILE <br />15UU <br />Permit Number C <br />Class: ennit Yc /q _ <br />ScaordEtltibit: 7 <br />! Class: O Revision <br />� Type/Seq: ! <br />Class: 0 Re Port O _ []Gene-__ral __.___ __._ --------------------------- FiyA ro <br />Doc Type: <br />[]Application (Coal only) O Bond []Enforcement O Inspection <br />NOTES: <br />1.) CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />10 YEAR, 24 HOUR STORM EVENT. <br />2.1 DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS, <br />3.1 DEPTH OF FLOW BASED ON MINIMUM GRADE. <br />4.) VELOCITY BASED ON MAXIMUM GRADE. <br />5.1 GEOTEXTILE REQUIRED FOR D80 9" OR GREATER, <br />7800 <br />7700 <br />7600 <br />Z <br />0 <br />H <br />7500 w <br />J <br />W <br />7400 <br />J 7300 <br />1771 <br />RECEIVED <br />I <br />AUG 5 1998 <br />DIV. OF MINERALS <br />8 GEOLOGY <br />SCALE <br />100• 0 too- P00' <br />HCMZCNTAL ! WER71CAL <br />i <br />F� <br />Design Flow <br />Slape <br />Bottom Width <br />Sida Slope <br />Depth ai <br />01'f <br />Velocity <br />Freeboertl <br />Total Depth <br />Riprsp 050 <br />Channel <br />O. lots <br />�3) <br />IHI <br />MW) <br />IHnv1 <br />Flow IDI t) <br />Hps1 <br />I'll <br />If I <br />lint <br />111 <br />f21 AND <br />Iftl <br />141 <br />151 <br />I6) <br />PM -20 <br />36 <br />11 -22 <br />2 <br />3 <br />11 <br />6.68 <br />0.3 <br />14 <br />9 <br />36 <br />23 -22 <br />2 <br />3 <br />0.9 <br />9.01 <br />0.3 <br />1.2 <br />12 <br />NOTES: <br />1.) CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />10 YEAR, 24 HOUR STORM EVENT. <br />2.1 DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS, <br />3.1 DEPTH OF FLOW BASED ON MINIMUM GRADE. <br />4.) VELOCITY BASED ON MAXIMUM GRADE. <br />5.1 GEOTEXTILE REQUIRED FOR D80 9" OR GREATER, <br />7800 <br />7700 <br />7600 <br />Z <br />0 <br />H <br />7500 w <br />J <br />W <br />7400 <br />J 7300 <br />1771 <br />RECEIVED <br />I <br />AUG 5 1998 <br />DIV. OF MINERALS <br />8 GEOLOGY <br />SCALE <br />100• 0 too- P00' <br />HCMZCNTAL ! WER71CAL <br />i <br />F� <br />