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SEDCAD 4 for Windows <br />• <br />Max. Tailwater Entrance <br />Length (ft) Slope (%) Manning's n Headwater (ft) Loss Coef. <br />(ft) (Ke) <br />214.00 5.00 0.0240 14.95 0.00 0.90 <br />Culvert Results: <br />Design Discharge = 53.39 cfs <br />• Minimum pipe diameter: 1 - 30 inch pipe(s) required <br />Structure #54 691 ran Channel) <br />DCW-6A <br />Triangular Riprap Channel Inputs: <br />Material: Riprap <br />Freeboard <br />Left Right I Freeboard Freeboard <br />Sideslope Sideslope Slope (%) Depth (ft) % of Depth Mult. x <br />Ratio Ratio (VxD) <br />2.0:1 2.0:1 15.0 0.30 <br />Riprap Channel Results: <br />PADER Method - Steep Slope Design <br /> <br /> <br />Elevation <br />ft <br />( ) <br /> <br />Perf. Riser (cfs) <br />Emergency <br />Spillway (cfs) Combined <br />Total <br /> <br />Discharge <br />(cfs) <br />6,774.00 0.872 0.000 0.872 <br />6,774.50 0.922 1.839 2.762 <br />6,774.53 0.925 1.839 2.764 <br />6,774.63 0.935 10.031 10.966 <br />6,774.73 0.944 12.985 13.929 <br />6,774.83 0.953 17.092 18.046 <br />6,774.93 0.963 21.174 22.137 <br />6,775.00 0.969 26.131 27.100 <br />Structure #55 (Cu/vent) <br />CSL Y-18 <br />Culvert Inputs: <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 11.22 cfs <br />Depth: 0.93 ft 1.23 ft <br />Top Width: 3.70 ft 4.90 ft <br />Velocity: 6.54 fps <br />X-Section Area: 1.71 sq ft <br />Filename: SG-1.sc4 <br />49 <br />Printed 10-28-2008