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SEDCAD 4 for Windows <br /> f nnvrinh4 1 QQR-9M n Pamala I Qrhyniah <br /> 24 <br /> Combined <br /> Elevation Emergency Total <br /> (ft) Spillway(cfs) Discharge <br /> (cfs) <br /> 102.00 0.000 167.398 <br /> 102.50 0.000 249.224 <br /> 103.00 0.000 344.812 <br /> 103.50 0.000 454.107 <br /> 104.00 0.000 577.178 <br /> 104.50 0.000 714.166 <br /> 105.00 0.000 865.254 <br /> Structure #11 (Riprap Channel) <br /> Hdwrtr segment E Pit Ditch <br /> Trapezoidal Riprap Channel Inputs: <br /> Material: Riprap <br /> Bottom Left Right Freeboard Freeboard Freeboard <br /> Sideslope Sideslope Slope(%) Mult.x <br /> Width(ft) Ratio Ratio Depth(ft) %of Depth (VxD) <br /> 12.00 2.0:1 2.0:1 3.6 1.00 <br /> Riprap Channel Results: <br /> Simons/OSM Method - Mild Slope Design <br /> w/o Freeboard w/Freeboard <br /> Design Discharge: 0.41 cfs <br /> Depth: 0.04 ft 1.04 ft <br /> Top Width: 12.16 ft 16.16 ft <br /> Velocity: 0.87 fps <br /> X-Section Area: 0.48 sq ft <br /> Hydraulic Radius: 0.039 ft <br /> Froude Number: 0.77 <br /> Manning's n: 0.0377 <br /> Dmin: 2.00 in <br /> D50: 9.00 in <br /> Dmax: 12.00 in <br /> Structure #12 (Null) <br /> Border subwsheds V and T <br /> St,uLtuie #13(Riuiap Come!) <br /> Filename: Prospect Pond 10 Yr 24 Hr Storm Event.sc4 Printed 01-06-2020 <br />