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• <br />SEDCAD 4 for Windows <br />Copyright lgga Pamela J. Schwab <br />Civil Software Design <br />w/o Freeboard w/ Freeboard <br />Froude Number: 0.73 <br />Structure #2 (Erodible Channel) <br />north ditch <br />Triangular Erodible Channel Inputs: <br />Material: Cobbles and shingles <br />LeR Right Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity <br />Ratio Ratio Depth (R) % of Depth (VxD) (fps) <br />2.5:1 2.5:1 1.0 0.0350 0.30 5.5 <br />Erodible Channel Results: <br />u <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 50.26 cfs <br />Depth: 2.17 ft 2.47 R <br />Top Width: 10.84 ft 12.34 ft <br />Velocity: 4.28 fps <br />X-Sec[ion Area: 11.75 sq R <br />Hydraulic Radius: 1.007 <br />Froude Number: 0.72 <br />Structure #4 (Riprap Channel <br />to pond <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom LeR Right Freeboard Freeboard Freeboard <br />Sideslope <br />Width (R)} Sideslope Slope (%) <br />Depth (R) % of Depth Mult. x <br />Ratio Ratio (VxD) <br />10.00 2.5:1 2.5:1 31.4 0.30 <br />Riprap Channel Results: <br />SimonsJOSM Method -Steep Slope Design <br />•~ <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 49.77 cfis <br />Depth: 0.21 R 0.51 ft <br />Top Width: 11.04 R 12.54 R <br />Filename: Ditches -new 2-3.sc4 <br />2 <br />Printed 04-19-2001 <br />