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Sc <br />7E <br />7E <br />F- <br />0 74 <br />a <br />w <br />w 72 <br />7C <br />BE <br />10.9 10.79, <br />9.69, <br />1 '1% 13.79 <br />14.2% <br />UPI IER <br />0 1000 2000 3000 400( <br />TYPICAL V CHANNEL <br />NOT TO SCALE <br />RIPRAP THICKNESS <br />FREEBOARD <br />GEOTEXTILE <br />(WHERE REQUIRED) <br />TYPICAL RIPRAP LINED CHANNEL <br />NOT TO SCALE <br />NOTES: <br />a 1.) DEPTH OF FLOW BASED ON MINIMUM GRADE. <br />2.) VELOCITY BASED ON MAXIMUM GRADE. <br />3.) Sll PM -4 LOWER IS FROM POND T -23 TO SII PM -16. <br />i <br />4.1 Sll PM -4 MID IS FROM Sll PM -16 TO POND T -26. <br />5.) SH PM -4 UPPER IS ABOVE POND T -26. <br />6.) CHANNEL DESIGNED FOR EXISTING WORST CASE, VEGETATED, V- SHAPED CONDITIONS, <br />7.) CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />e 100 YEAR, 24 HOUR STORM EVENT. <br />t <br />8.) CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE <br />10 YEAR, 24 HOUR STORM EVENT. <br />f 9.1 GEOTEXTILE REOUIRED FOR 050 9" OR GREATER. <br />i <br />Pemlit Number C /1370 QQ f <br />Ciess:�PermIt <br />Secb Exh W1 <br />Va b TFb 7 Exti.i> %i v r F73 <br />! CWsa: O Revision � <br />Class: D Report 13 Hyoro OGeneral -- <br />Dan Typa: <br />OAppl(cation (Coal only) O Bond 17 Enforcement O Inspection <br />RECEIVED <br />AUG 5 1998 <br />8000 <br />7800 <br />UPPER MID LOWER <br />7600 <br />14. ?A, z <br />7400 a <br />> <br />J <br />7200 w <br />09, <br />7.5% 7000 <br />6800 <br />4000 5000 DISTANCE (FT) 6000 7048 <br />SI/ PM -4 CHANNEL PROFILE <br />Channel <br />Design Flaw <br />O. Iciel <br />Slape <br />Sit <br />Bottom Wltlih <br />IBW) <br />Sloe Slope <br />(H:1V) <br />Depth of <br />Flow It) D1 (it) <br />Velocity <br />0(21) <br />Freetioertl <br />Ift) <br />Total Depth <br />If0 <br />Riprep D <br />Iln) 50 <br />PM -4 <br />6f2 Ill <br />5 -10 <br />f0 <br />3 <br />0.5 <br />10.5 <br />0.3 <br />0.8 <br />9 <br />1LOwe71 <br />131 <br />PM -4 <br />40.6 p) <br />13 -20 <br />10 <br />3 <br />0.4 <br />13.8 <br />0.3 <br />0.7 <br />9 <br />I) <br />4 <br />4/ <br />40.8171 <br />21-30 <br />10 <br />3 <br />0.3 <br />20.6 <br />0.3 <br />0.6 <br />12 <br />40.6 17) <br />31 -33 <br />10 <br />3 <br />02 <br />236 <br />0.3 <br />0.5 <br />15 <br />PM -4 <br />17.4 (8) <br />6.9 -11.1 <br />0 <br />3 <br />1.4 <br />5.99 <br />0.3 <br />17 <br />N. A, <br />'Upperl <br />1516161 <br />W&W <br />17.4181 <br />ff2 -19.6 <br />2 <br />3 <br />0.7 <br />6.57 <br />0.3 <br />1.0 <br />9 <br />SCALE <br />goo' o goo. 4001 <br />HOIIIZ@ITAL & MUTDCAL <br />SENWA COAL <br />COMPANY <br />CHANNEL Pff-4 <br />-' PAWKE <br />