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SEDCAD 4 for Windows <br />n,..,"d,.n~ iooa -°nro a~,si~.i s,-n,..~~. <br /> <br />19 <br />Bottom LeR Righ[ Freeboard Freeboard Freeboard <br />Width (R) Sideslope Sideslope Slope (%) De th ft %of Depth <br />P () Mult. x <br />Ratio 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 /> w/o Freeboard w/ Freeboard <br />Design Discharge: 17.24 cfs <br />Depth: 0.09 ft 1.09 ft <br />Tap Wid[h: 12.55 ft 18.55 ft <br />Velocity*: <br />X-Section Area: 1.12 sq R <br />Hydraulic Radius: 0.089 ft <br />Froude Number*: <br />Manning's n*: <br />Dmin: 3.00 in <br />D60: 9.00 in <br />Dmax: 11.25 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #5 (t/eoetated Channel) <br />SEC. Z8 DITCH 1 <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />Left <br />Bottom Right <br />Retardants Freeboard Freeboard Freeboard Limiting <br />Sideslope <br />Wid[h (R) Sideslope Slope (%) <br />Classes <br />Depth (ft) °/a of Depth Mult. x Velocity <br />f <br />Ra[io Ratio (VxD) ps) <br />( <br />12.00 3.0:1 3.0:1 20.0 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: 3.96 6s 3.96 cfs <br />Depth: 0.15 ft 1.15 R 0.31 R 1.31 R <br />Top Width: 12.89 ft 18.89 R 13.86 ft 19.86 ft <br />Velocity: 2.15 fps 0.99 fps <br />X-Section Area: 1.84 sq ft 4.01 sq ft <br />Filename: STSec28Ten24.030807.sc4 Pnntetl 03-09-2007 <br />• Exh. 7-20A-23 Revision Date: 3/12/07 <br />Revision No.: PR-02 <br />