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SEDCAD 4 for Windows <br /> (:nnvrinht 9 QQR-9nl n P-1c I Crh,—h <br /> 5 <br /> Structure Detail; <br /> Ditch C-9 <br /> Trapezoidal Vegetated Channel Inputs: <br /> Material: Smooth brome <br /> Bottom <br /> Left Right Retardance Freeboard Freeboard Freeboard Limiting <br /> Sideslope Sideslope Slope(%) Classes Mult. x Velocity <br /> Width (ft) Ratio Ratio Depth (ft) % of Depth (VxD) (fps) <br /> 3.00 2.0:1 2.0:1 3.2 D, B 0.30 7.0 <br /> Vegetated Channel Results: <br /> Stability Stability Capacity Capacity <br /> Class D w/o Class D w/ Class B w/o Class B w/ <br /> Freeboard Freeboard Freeboard Freeboard <br /> Design Discharge: 6.43 cfs 6.43 cfs <br /> Depth: 0.57 ft 0.87 ft 1.02 ft 1.32 ft <br /> Top Width: 5.29 ft 6.49 ft 7.08 ft 8.28 ft <br /> Velocity: 2.70 fps 1.25 fps <br /> X-Section Area: 2.38 sq ft 5.14 sq ft <br /> Hydraulic Radius: 0.427 ft 0.680 ft <br /> Froude Number: 0.71 0.26 <br /> Roughness Coefficient: 0.0558 0.1647 <br /> Culvert C177 at Sta 0+25 in C-9 Ditch <br /> Culvert Inputs: <br /> Max. Tailwater Entrance <br /> Length (ft) Slope (%) Manning's n Headwater ( )ft Loss Coef. <br /> (ft) (Ke) <br /> 20.00 2.50 0.0140 1.50 1.00 0.90 <br /> Culvert Results: <br /> Design Discharge = 6.43 cfs <br /> Minimum pipe diameter: 1 - 21 inch pipe(s) required <br /> Continous flow 1000 gpm <br /> Filename: Pond 013 25 Yr-24 Hr Event.sc4 Printed 07-09-2020 <br />