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SEDCAD 4 for Windows <br /> f nrwrinht 1QQR_7(11(1 Pamola I Crhsniah <br /> 12 <br /> Simons/OSM Method - Steep Slope Design <br /> w/o Freeboard w/Freeboard <br /> Design Discharge: 5.55 cfs <br /> Depth: 0.05 ft 1.05 ft <br /> Top Width: 12.18 ft 16.18 ft <br /> - ----- ----- <br /> Velocity*: <br /> X-Section Area: 0.56 sq ft <br /> Hydraulic Radius: 0.046 ft <br /> Froude Number*: <br /> Manning's n*: <br /> Dmin: 2.00 in <br /> D50: 6.00 in <br /> Dmax: 7.50 in <br /> Velocity and Manning's n calculations may not apply for this method. <br /> Structure #33(Null) <br /> Null end of mine disturbance <br /> Structure #34(Nonerodible Channel) <br /> Uppermost natural channel in Prospect <br /> Triangular Nonerodible Channel Inputs: <br /> Material: Concrete, Rubble <br /> Left Right Freeboard Freeboard Freeboard <br /> Sideslope Sideslope Slope(%) Manning's n Mult.x <br /> Ratio Ratio Depth(ft) %of Depth (VxD) <br /> 1.5:1 1.5:1 30.0 0.0220 1.00 <br /> Nonerodible Channel Results: <br /> w/o Freeboard w/Freeboard <br /> Design Discharge: 31.90 cfs <br /> Depth: 1.01 ft 2.01 ft <br /> Top Width: 3.03 ft 6.03 ft <br /> Velocity: 20.83 fps <br /> X-Section Area: 1.53 sq ft <br /> Hydraulic Radius: 0.421 ft <br /> Froude Number: 5.16 <br /> Structure #20(Null) <br /> Subwshd S Q1 collection point <br /> Filename: Prospect Pond 25 Yr 24 Hr Storm Event.sc4 Printed 01-06-2020 <br />