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SEDCAD 4 for Windows <br /> f nnvnnhf 1 QQR-9n1 fl Pamela I Qrhuuah <br /> 21 <br /> Contour Ditch to jct E Pit Ditch <br /> Trapezoidal Riprap Channel Inputs: <br /> Material: Riorap <br /> Left Right Freeboard Freeboard Freeboard <br /> Bottom <br /> Sideslope Sideslope Slope <br /> Width (ft) Ratio Ratio (%) Depth(ft) %of Depth (VxD) <br /> 12.00 2.0:1 2.0:1 5.0 1.00 <br /> Riprap Channel Results: <br /> Simons/OSM Method - Steep Slope Design <br /> w/o Freeboard w/Freeboard <br /> Design Discharge: 10.20 cfs <br /> Depth: 0.15 ft 1.15 ft <br /> Top Width: 12.59 ft 16.59 ft <br /> Velocity*: <br /> X-Section Area: 1.80 sq ft <br /> Hydraulic Radius: 0.143 ft <br /> Froude Number*: <br /> Manning's n*: <br /> Dmin: 1.00 in <br /> D50: 3.00 in <br /> Dmax: 3.75 in <br /> Velocity and Manning's n calculations may not apply for this method. <br /> Structure #19(Null) <br /> Collection point Subwshd Q2 <br /> Structure #10(Pond) <br /> Sedtrap at subwshd U, 44, AB <br /> Pond Inputs: <br /> Initial Pool Elev: 92.50 ft <br /> Initial Pool: 0.20 ac-ft <br /> *Sediment Storage: 0.00 ac-ft <br /> Dead Space: 0.00% <br /> *No sediment capacity defined <br /> Emergency Spillway <br /> Filename: Prospect Pond 10 Yr 24 Hr Storm Event.sc4 Printed 01-06-2020 <br />