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SEDCAD 4 for Windows <br />c,...,,.;..~,~ m°u o~,.,vi~ i e~r,,.,~n <br />6 <br /> <br />Structure Detai/,• <br />Structure #21 (Erodible Channe%~ <br />D-IOA <br />Triangular Erodible Channel Inputs: <br />Material: Alluvial silts colloidal <br />Left Right Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope Slope (%) Manning's n Mult <br />x Velocity <br />Ratio Ratio . <br />Depth (R) % of Depth (VxD) (fps) <br />1.5:1 1.5:1 3.0 0.0250 0.30 5.0 <br />Erodible Channel Results: <br /> <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 2.57 cfs <br />Depth: 0.64 ft 0.94 ft <br />Top Width: 1,91 R 2.81 ft <br />Velocity: 4.25 fps <br />X-Section Area: 0.61 sq ft <br />Hydraulic Radius: 0.265 <br />Froude Number: 1.33 <br />Structure #20 (Riprap Channel1 <br />D-YO <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprap <br />Bottom Left Right Freetoard Freeboard Freeboard <br /> <br />Width (ft)} Sideslope Sideslope Slope (%) <br />Depth (ft) % of Depth Mult x <br /> RaUO Ratio (VxD) <br />3.00 1.5:1 1.5:1 40.0 ~ 0.30 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />I• <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 3.86 ds <br />Depth: 0.06 R 0.36 ft <br />Top Width: 3.17 R 4.07 ft <br />Filename: SCC-NOrthPOrtal.sc4 <br />14-6 - 123 <br />Printed 05-08-2003 <br />5/03 <br />