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SEDCAD 4 for Windows <br />n~~..d,.e~ ~ooa a~meia i s~n~,on <br /> <br /> <br />5 <br />Left Right li Freeboard Freeboard Freeboard I Limiting <br />Sideslope Sideslope Slope (%) Manning's n Mult. x Velocity <br />Ratio Ratio Depth (ft) % of Depth (VxD) (fPs) <br />3.0:1 3.0:1 10.9 0.0300 ~ 1.00 I 3.8 <br />Structure Detai/: <br />Structure #1 (Erodible Channel) <br />Road Drainage Ditch 1 <br />Triangular Erodible Channel Inputs: <br />Material: Graded silts to cobbles when colloidal <br />Erodible Channel Results: <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: O.SS cfs <br />Depth: 0.22 ft 1.22 R <br />Top Width: 1.29 ft 7.29 ft <br />Velocity: 3.58 fps <br />X-Sec[ion Area: 0.14 sq ft <br />Hydraulic Radius: 0.102 <br />Froude Number: 1.92 <br />Structure #2 ~Cu/vert) <br />Culvert 1 <br />Culvert Inputs: <br />Max. Tailwater Entrance <br />Length (ft) Slope (%) Manning's n Headwater Loss Coef. <br />(ft) (ft) (Ke) <br />50.00 3.50 0.0150 1.00 2.00 0.90 <br />Culvert Results: <br />Design Discharge = 0.51 cfs <br />Minimum pipe diameter: 1 - 6 inch pipe(s) required <br />~_____ _ <br />Filename: road drainage t and culvert 1.sc4 <br />Printed OB-12-2004 <br />