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y n Cr, <br />~'' ~ d11H'~ .. <br />~y~31956 <br />`~~'/~. 5'''b~ <br />LT <br />,a <br />~~ ~ ~ <br />~ ~ <br />~ a oo <br />t~~ m~ ~ <br />CHANNEL X-SECTION <br />_._.~ _ --_ _..1 __._ <br />NATURAL LINED <br />CHANNEL <br />ACCESS ROAD <br />~__ <br />~ _ _ _ _ _ 72 ~ 0 CMP <br />RIPRAP APRON <br />CHANNEL X-SECTION SEENDTE3 <br />e~ ACCESS ROAD <br />NOTES <br />i) CHANNEL DESIGN ASSUMES UNIFORM FLOW, <br />NOT A DEBRIS fL01t; HONEVER, SLOPE OF <br />CHANNEL lS SUPERCRI RCAC AND ALL <br />SUSPENDED ELEMENTS SHOULD REMAIN <br />SUSPENDED. <br />MANNINC'S £OUARNJ: <br />0=1.4B6M~R^/2/J)~5^/1/2)~ 4256 GFS' <br />N <br />5=231<[75 %J27 XAVERACE) <br />N=0.04 (NANRAL-ROUCN) <br />R=31' <br />A=If0 SF <br />l00 /R / 24 HR STORM 0480 CFS <br />2) CHANNEL SHALL BE LAID 1T1 LINES` GRADES <br />AND DIMENSIONS SHOMN ON PLANS <br />JJ A HELL GRADED RIPRAP APRON SHALL BF <br />INSTALLED ZO FT UP AND DOWNSTREAM OF <br />CULVERT INLET AND OUTLET RIPRAP SHALL <br />HA VE A MfAN PARRCLE SIZE OF 12',AND <br />SHALL B£ PLACED TO A FULL COURSE INICK- <br />NESS ~ 24' W/0 ANY LARGE PROIRUSlONS <br />~ ROCK. <br />• <br />• <br />