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SEDCAD 4 for Windows <br />tg <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 3.73 cfis <br />Depth: 0.01 ft 1.01 ft <br />Top Width: 12.06 ft 16.06 R <br />Velocity*: <br />X-Section Area: 0.17 sq ft <br />Hydraulic Radius: 0.014 ft <br />Froude Number*: <br />Manning's n*: <br />Dmin: 2.00 in <br />D60: 6.00 in <br />Dmax: 7.50 in <br />Velocity and Manning's n calculations may not apply for [his method. <br />Structure #22 (tegetated Channel) <br />SEC. 21 DITCH 14 <br />Trapezoidal Vegetated Channel Inputs: <br />Material: Smooth brome <br />Bottom Left Right Retardance Freeboard Freeboard Freeboard Limiting <br />Width (ft) Sideslope Sideslope Slope (%) Classes <br />i <br />R o Mult. x <br />Depth (ft) /° of Depth Velocity <br />(fps) <br />Ratio <br />at <br />o NxD) <br />12.00 2.0:1 2.0:1 23.1 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: 0.13 ds 0.13 crs <br />Depth: 0.03 ft 1.03 R 0.11 ft 1.11 ft <br />Top Width: 12.14 ft 16.14 ft 12.44 ft 16.44 ft <br />Velocity: 0.32 fps 0.10 fps <br />X-Section Area: 0.41 sq ft 1.36 sq ft <br />Hydraulic Radius: 0.034 ft 0.109 ft <br />Froude Number: 0.31 0.05 <br />Roughness Coefficient: 0.2322 1.6588 <br />Structure #24 (Null) <br />SEC. 21 NULL S <br />Filename: STSec21Ten24.030807.sc4 Printed 03-09-2007 <br />Exh. 7-20B-22 Revision Date: 3/12/07 <br />Revision No.: PR-02 <br /> <br /> <br />r1 <br />LJ <br />