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SEDCAD+ RIPRAP CHANNEL DESIGN <br /> <br />Pre-Settling Basin Outlet Channel- 25 YR <br />INPUT VALUES: <br />Shape TRAPEZOIDAL <br />Discharge 186.30 cfs <br />Slope 5.00 ~ <br />Sidealopes (L and R) 3.00:1 3.00:1 <br />Bottom Width 10.00 feet <br />Freeboard 0.3 ft <br />RESVLTS: <br />Steep Slope Design - PADER Method <br />~_~ <br />Depth 1.56 ft <br />with Freeboard 1.86 ft <br />Top Width 19.36 ft <br />with Freeboard 21.16 ft <br />Velocity 8.14 fps <br />Cross Sectional Area 22.89 sq ft <br />Hydraulic Radius 1.15 ft <br />Manning's a 0.045 <br />Froude Number 1.32 <br />Dmax 0.625 ft ( 7.50 in) <br />D50 0.500 ft ( 6.00 ia) <br />D10 0.167 ft ( 2.00 in) <br /> <br />