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SEDCAD+ RIPRAP CHANNEL DESIGN <br />----------------------------- <br />CRDA #1 Perimeter Ditch DM #13 <br />INPUT VALUES: <br />Shape TRAPEZOIDAL <br />Discharge 23.30 cfs <br />Slope 25.00 °s <br />Sideslopes (L and R) 2.50:1 2.50:1 <br />Bottom Width 5.00 feet <br />Freeboard .3 ft <br />RESULTS: <br />Steep Slope Design - PARER 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 />D50 <br />D10 <br />0.54 ft <br />0.84 ft <br />7.68 ft <br />9.18 ft <br />6.86 fps <br />3.40 sq ft <br />0.43 ft <br />0.062 <br />1.82 <br />0.625 ft ( 7.50 in) <br />0.500 ft ( 6.00 in) <br />0.167 ft ( 2.00 in) <br />