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SEDCAD+ RIPRAP CHANNEL DESIGN <br />----------------------------- <br /> <br />NEW ELK POST MINE TOPOGRAPHY: D3C <br />INPUT VALUES: <br />Shape <br />Discharge <br />Slope <br />Sideslopes (L and R) <br />Bottom Width <br />Freeboard <br />TRAPEZOIDAL <br />52.89 cfs <br />18.00 ~ <br />3.00:1 3.00:1 <br />6.00 feet <br />.3 ft <br />RESULTS: <br />• <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 />0.46 ft <br />0.76 ft <br />8.73 ft <br />10.53 ft <br />15.76 fps <br />3.36 sq ft <br />0.38 ft <br />0.040 <br />4.48 <br />1.563 ft (18.75 in) <br />1.250 ft (15.00 in) <br />0.417 ft ( 5.00 in) <br />• <br />