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SEDCAD+ RIPRAP CHANNEL DESIGN <br />NEW ELK POST MINE TOPOGRAPHY: D1B <br />INPUT VALUES: <br />Shape <br />Discharge <br />Slope <br />Sideslopes (L and R) <br />Bottom Width <br />Freeboard <br />TRAPEZOIDAL <br />68.00 cfs <br />3.90 ~ <br />3.00:1 3.00:1 <br />6.00 feet <br />.3 ft <br />RESULTS: <br />Steep Slope Design - Simons/OSM Method <br />Depth <br />with Freeboard <br />Top Width <br />with Freeboard <br />Velocity <br />Cross Sectional Area <br />Hydraulic Radius <br />Manning's n <br />Froude Number <br />Dmax <br />D50 <br />D10 <br />0.81 ft <br />1.11 ft <br />10.86 ft <br />12.66 ft <br />9.97 fps <br />6.82 sq ft <br />0.61 ft <br />0.038 <br />2.22 <br />1.250 ft (15.00 in) <br />1.000 ft (12.00 inj <br />0.333 ft ( 4.00 in) <br />LJ <br />n <br />U <br />• <br />