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• <br />SEDCAD+ RIPRAP CHANNEL DESIGN <br />----------------------------- <br />MOFFAT DOWNDRAIN $4 <br />INPUT VALUES: <br />Shape TRIANGULAR <br />Discharge 41.67 cfs <br />Slope 14.18 % <br />Sideslopes (L and R) 3.00:1 <br />Freeboard .3 ft <br />RESULTS: <br />• <br />Steep Slope Design - PADER 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 />3.00:1 <br />1.28 ft <br />1.58 ft <br />7.65 ft <br />9.45 ft <br />8.54 fps <br />1.88 sq ft <br />0.60 ft <br />0.047 <br />1.88 <br />0.625 ft ( 7.50 in) <br />0.500 ft ( 6.00 in) <br />0.167 ft ( 2.00 in) <br />r1 <br />L J <br />