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SEDCAD 4 for Windows <br />n,.,..,:~,.m moa onro a~~.vi~.i a.e~.,~n <br />Structure Detai/•• <br />Structure #21 (!/eoetated Channel) <br />SEC. 28 DITCH 13 <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />I <br />12 • <br />i <br />Lek <br />Bottom Right <br />Retardance Freeboard Freeboard Freeboard Limiting <br /> <br />Width (R) Sideslope <br />Sideslope <br />Slope (%) Classes <br />Depth (ft) % of Depth <br />Mult. x Velocity <br />Ratio Ratio (VxD) (fps) <br />15.00 3.0:1 3.0:1 25.0 D, B 1.00 3.0 <br />Vegetated Channel Results: <br /> Stability <br />Class D w/o <br />Freeboard Stability <br />Class D w/ <br />Freeboard Capacity <br />Class B w/o <br />Freeboard Capacity <br />Class B w/ <br />Freeboard <br />Design Discharge: 0.81 cfs O.Sl cfs <br />Depth: 0.06 k 1.06 ft 0.17 ft 1.17 ft <br />Top Width: 15.39 ft 21.39 R 16.03 ft 22.03 k <br />Velocity: 0.82 fps 0.30 fps <br />X-Section Area: 0.99 sq k 2.65 sq k <br />Hydraulic Radius: 0.064 ft 0.165 ft <br />Froude Number: 0.57 0.13 <br />Roughness Cceffcient: 0.1435 0.7301 <br />Structure #18 (Riprap Channel) <br />SEC. 28 DITCH 11 <br />Trapezoidal Riprap Channel Inputs: <br />Material: RIDraD <br />Left Right <br />Bottom Freeboard Freeboard Freeboard <br />Sideslope Sideslope Slope (~°) <br />Width (ft) Mult. x <br />Depth (ft) % of Depth <br />Rato Ratio (VxD) <br />12.00 3.0:1 3.0:1 25.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />Filename: STSec28Ten24.030807.sc4 <br />Exh. 7-20A-16 Revision Date: 3/12/07 <br />Revision No.: PR-02 <br />Printed 03-09-2007 <br />• <br />• <br />