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r1 <br />iu <br />SEDCAD 4 for Windows <br />!`nnvrinA110°G-9M~Gamcla 1 CN.unA <br />Structure Detai/: <br />Structure #Z6 (tegetated Channel) <br />SEC. Z1 DITCH 17 <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br /> <br />Bottom Left Right I, Freeboard Freeboard Freeboard <br />Retardance Limiting <br /> <br />Width (ft) Sideslope Sideslope Slope (°/) <br />Mult. x <br />Classes Depth (ft) %of Depth Velocity <br /> Ratio Ratio <br />(VxD) (fps) <br />12.00 2.0:1 2.0:1 31.7 D, B 1.00 3.0 <br />Vegetated Channel Results: <br />• <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 />Freeboar0 <br />Design Discharge: 1.89 cfs 1.69 cfs <br />Depth: 0.09 ft 1.09 ft 0.22 ft 1.22 ft <br />Top Width: 12.38 ft 16.38 R 12.86 ft 16.86 ft <br />Velocity: 1.65 fps 0.70 fps <br />X-Section Area: 1.15 sq ft 2.69 sq ft <br />Hydraulic Radius: 0.092 ft 0.207 ft <br />Froude Number: 0.95 0.27 <br />Roughness Coefficient: 0.1037 0.4168 <br />Structure #Z3 (Riprap Channel) <br />SEC. ZI DITCH IS <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riorao <br />Bottom Left Right Freeboartl Freeboard Freeboard <br /> <br />Width (ft) Sideslope Sideslope Slope (°/) <br />Depth (ft) % of Depth Mult. x <br /> Ratio Ratio (VxD) <br />12.00 2.0:1 2.0:1 27.3 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 10.26 cfs <br />Depth: 0.05 R 1.05 ft <br />9 <br />• Filename: STSec2l HUndred24.010807.sc4 Printed Oi-OB-2007 <br />Exh. 7-20B-63 Revision Date: 1/05/07 <br />Revison No.: PR-02 <br />