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SEDCAD 4.0 <br />~ North Collection Ditch - Section Q - Q' - 5%Slone <br />Material: Riprap <br />T~apezoida/ Channel <br />Bottom LeR Right Freeboard Freeboard Freeboard <br />Width (R) ~ Sideslope Sideslope Slope (%) MuI[. x <br />Ratio Ratio Depth (ft) % of Depth (VxD) <br />3.00 1.5:1 1.5:1 5.0 0.30 <br />Simons/OSM Method -Steep Slope Design <br />• <br />• <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 11.54 cfs <br />Depth: 0.35 R 0.65 R <br />Top Width: 4.06 ft 4.96 ft <br />Velocity*: <br />X-Section Area: 1.25 sq ft <br />Hydraulic Radius: 0.293 <br />Froude Number*: <br />Manning's n*: <br />Dmin: 3.00 in <br />D50: 9.00 in <br />Dmax: 11.25 in <br />Velocity and Manning's n calculations may not apply for this method. <br />SEDCAD Utility Run <br />Printed OS-09-2003 <br />RSS-52 5/03 <br />