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SEDCAD+ RIPRAP CHANNEL DESIGN <br />----------------------------- <br />NEW ELK POST MINE TOPOGRAPHY: D2B <br />INPUT VALUES: <br />Shape <br />Discharge <br />Slope <br />Sideslopes (L and R) <br />Bottom Width <br />Freeboard <br />TRAPEZOIDAL <br />36.76 cfs <br />5.20 <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 />0.52 ft <br />0.82 ft <br />9.12 ft <br />10.92 ft <br />9.34 fps <br />3.94 sq ft <br />0.42 ft <br />0.035 <br />2.50 <br />0.938 ft (11.25 in) <br />0.750 ft ( 9.00 in) <br />0.250 ft ( 3.00 in) <br />• <br />u <br />~J <br />