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DRAWING 2 Drainage Course - Rock Outcrop to Slope & Check Dam <br /> \ Check Dam Plan View Check Dam - cross section <br /> 5 OTC C - - - - - - - - - - - - - - - - - - - - - - - - - <br /> �\ <br /> maximum rip rap depth = 30" <br /> \` 4' slope 8'h <br /> \` length _ 24" <br /> 12' w 4 w 8' 4' w 81 <br /> Channel Width <br /> Channel Width <br /> = 4' diameter rock <br /> 2:1 sideslopes <br /> = 2' - 3' diameter rock <br /> check dam - entire <br /> width of channel botttom = 12 - 18" diameter rock <br /> 4'd rock keyed into extend <br /> no higher than 30", 50' -''r <br /> 4' up sideslope ONO -'' grade_ d for positive drainage <br /> from east bench cut DRAWING 2 <br /> Colorado Department of Natural Resources <br /> and <br /> 8'h - Inactiveion Mine Reclalmation P ogram <br /> r- 4' slope Fruita Mine <br /> length Bond Revocation M81-015 <br /> 8' w Drainage Course - Rock Outcrop to Slop <br /> and Check Dam - x section & Plan <br /> Scale Date Sheet No. <br /> n.t.s. 1/00 2 of 2 <br />