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7700 <br />F- <br />W 7600 <br />z <br />0 <br />> 7500 <br />W <br />J <br />W <br />7400 <br />TYPICAL V CHANNEL <br />NOT TO SCALE <br />7700 <br />r <br />7600 <br />z <br />0 <br />7500 > <br />W <br />J <br />W <br />7400 <br />R <br />DISTANCE (FT) <br />SII PM -7 CHANNEL PROFILE <br />Permit Number r 180 00r <br />Classs Wermit IYr��'ZO 70 23 <br />Section/Exhibil: O I ToI <br />- - it:.vR 4- 14! --- -- Bch—--------- - <br />Class: 0 Revision ! <br />Type /Seq: ._._. ___.____- ________.___._._.____J <br />Class: O por <br />Ret O Hydro OGeneral <br />Doc Type: _ ____ _ <br />l]Appliullon (Coal only) O Bond O Enforcement ❑Inspection <br />NOTES: <br />1.) CHANNEL DESIGNED FOR EXISTING WORST CASE, VEGETATED, V- SHAPED CONDITIONS. <br />2.) CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />10 YEAR, 24 HOUR STORM EVENT. <br />3.) DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS. <br />4.) DEPTH OF FLOW BASED ON MINIMUM GRADE. <br />5.) VELOCITY BASED ON MAXIMUM GRADE, <br />RECEIVED <br />AUG 51998 <br />DIV. OF MINERALS <br />R GEOLOGY <br />10 <br />YALE <br />MORa TAL ! VERIMAL <br />1�1�1 <br />SENEC.4 COAL <br />COMPANY <br />CdILMNEL PM-7 <br />PROFKE <br />TOPPCLTctriz sn..1 7 <br />aC6LE: <br />If10NT601l MiATiON <br />twu drone "• °eie <br />sm.t. <br />7.20 <br />Dealpn Flow <br />SlBottom <br />Width <br />Side Slope <br />Depth of <br />Velocity <br />Freeboard <br />Total Depth <br />Rlprep D50 <br />Channel <br />D, <br />1X <br />IBWI <br />(H,1VI <br />Flow IDI Ill) <br />Ilpsl <br />Ifll <br />Iltl <br />(lnl <br />111 <br />121 AND 131 <br />Iltl <br />I41 <br />I51 <br />PM-7 <br />1 3 <br />1 5 -15 <br />1 0 <br />1 ] <br />1 if <br />2.56 <br />0.3 <br />1 1. <br />NA. <br />NOTES: <br />1.) CHANNEL DESIGNED FOR EXISTING WORST CASE, VEGETATED, V- SHAPED CONDITIONS. <br />2.) CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />10 YEAR, 24 HOUR STORM EVENT. <br />3.) DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS. <br />4.) DEPTH OF FLOW BASED ON MINIMUM GRADE. <br />5.) VELOCITY BASED ON MAXIMUM GRADE, <br />RECEIVED <br />AUG 51998 <br />DIV. OF MINERALS <br />R GEOLOGY <br />10 <br />YALE <br />MORa TAL ! VERIMAL <br />1�1�1 <br />SENEC.4 COAL <br />COMPANY <br />CdILMNEL PM-7 <br />PROFKE <br />TOPPCLTctriz sn..1 7 <br />aC6LE: <br />If10NT601l MiATiON <br />twu drone "• °eie <br />sm.t. <br />7.20 <br />