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8000 <br />~ 7800 <br />z <br />0 <br />> 7600 <br />w <br />w <br />7400 <br />7200 <br />0 <br />1000 <br />TYPICAL RIPRAP LINED CHANNEL <br />NOT TO SCALE <br />GEOTEXTILE <br />(WHERE REOUIREDI <br />2000 <br />3000 <br />DISTANCE (FT) <br />MID-LOWER <br />8000 9000 <br />DISTANCE (FT) <br />Sll PM-6 CHANNEL PROFILE <br />4000 1 <br />.I <br />10000 <br /> <br />CNennal DaslBn Flow <br />O, Icfsl <br />111 entl 121 Slope <br />IXI Bottom Witlth <br />IBWI <br />Iftl Sida Slope <br />IHnvl Depth of <br />Flow IDI Ittl <br />131 Velocity <br />Ifpsl <br />141 Freeboard <br />Ittl Totel Depth <br />Iftl Riprap D50 <br />Unl <br />PM-6 23 6-] 3 0.8 6.d0 0.3 1 f 6 <br />IUpperll5l 23 8-f0 2 3 O.B 65l O.J 1f 9 <br />PM-6 29 4-5 2 3 1.0 6. f2 0.3 13 6 <br />(Mid Upperl 19 6-20 2 3 0.9 T 99 0.3 f.1 9 <br />!6/ <br />PM-6 36 8-19 2 3 1 f 8.50 0.3 f d 9 <br />(Mld Mid/ <br />P1 <br />PM-6 f0] 2-6 f0 3 0.8 fO.BI 0.3 11 9 <br />(Mid Lowerl 103 l-td f0 3 0.8 13.23 0.3 11 12 <br />lBl 103 15-f9 f0 3 0.6 16.1 0.3 0.9 15 <br />PM-6 <br />(Lowerl 123 6-f0 )0 3 0.9 11.98 0.3 11 >2 <br />lBl <br />NOTES: <br />tl 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.l VELOCITY BASED ON MAX/MUM GRADE. <br />6.l Sll PM-6 UPPER /S ABOVE POND 7-32. <br />6.1 Sll PM-6 MlD UPPER lS FROM POND T-32 TO THE JUNCTION WITH CHANNEL Sll PM-7 <br />7.1 Sll PM-6 MlD MlD lS FROM THE JUNCTION WITH SIl PM-7 TO THE JUNCTION WITH Sll PM-29. <br />8.l SIl PM-6 MlD LOWER IS FROM POND T-29 TO POND T-23. <br />9.1 Sll PM-6 LOWER IS FROM POND T-23 TO CUL VER7 79A. <br />9.1 GE07EXTlLE REQUIRED FOR D50 9" OR GREATER. <br />UPPER MID-UPPER MID-MID <br />7.3% <br /> 8.0 5.6% <br />4 <br /> <br />12.1% <br /> .4% ~ <br />9.5% <br />I <br /> 2% <br />il <br />l <br /> .% <br /> <br /> <br />MID-MID <br />sooo <br />RIPRAP THICKNESS <br />7000 <br />FREEBOARD <br />scALE <br />zoo• o zoo• soa• <br />Hg11ZONTAL k VERTICAL <br />5000 <br />LOWER <br />/, Donie/ % Keuscher <br />design wos prepared <br />oll the information <br />and correcl !o the l <br />and inrormo iion. <br /> T~ <br />Dole Doniel <br />11000 <br /> <br />7600 <br />7400 <br />7200 <br />7000 <br />6800 <br />tress <br />and <br />P.E. 3330 <br />.~ <br />1NJe N01 OA'wMw RCT•M OKrNW <br />ms a'.w+,... sne xx..w• +ww ~rt.u•e <br />m.u ei•e lee.:. .u... rive <br />PFVISIOHS n•!E OE516N BY <br />SENECA COAL <br />COMPANY <br />PROJECT: <br />SENECA ll <br />DRAWING TITLE: <br />CHANNEL PM-6 <br />PROF/LE <br />© M W H Street B or 13 Snaeta <br />SCALE: E%HIBIT No. <br />.• seo.• 7.20 <br />