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SEDCAD 4 for Windows <br />Copyright 1998 Pamela J. Schwab <br />Civil Software Design <br />• Structure #1S (Bi~¢ Channel) <br />Trapezoidal Riprap Channel Inputs: <br />Material: Riprao <br />Left <br />Bottom Right Freeboard Freeboard Freeboard <br />Sideslope <br />Width (R)} Sideslope Slope (%) <br />Depth (R) % of Depth Mult. x <br />Ratio Ratio (VxD) <br />5.00 3.0:1 3.0:1 8.0 0.30 <br />Riprap Channel Results: <br />PADER Method -Steep Slope Design <br />I <br />L. J <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 22.23 cfs <br />Depth: 0.58 R 0.88 ft <br />Top Width: 8.45 ft 10.25 ft <br />Velocity: 5.74 fps <br />X-Section Area: 3.87 sq ft <br />Hydraulic Radius: 0.448 <br />Froude Number: 1.49 <br />Manning's n: 0.0430 <br />Dmin: 2.00 in <br />D50: 3.00 in <br />Dmax: 4.50 in <br />9 <br />Trapezoidal Erodible Channel Inputs: <br />Material: Graded silts to cobbles when colloidal <br />Bottom Left Right Freeboard <br />Freeboard Freeboard Limiting <br />Sideslope Sideslo Sloe % Mannin 's n <br />width (ft) <br />o p ( ) 9 <br />Mult. x Velocity <br />Ratio Rati Depth (ft) % of Depth <br />(VxD) (fPs) <br />4.00 3.0:1 3.0:1 2.2 0.0300 0.30 5.5 <br />Erodible Channel Results: <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 22.23 cfs <br />Depth: 0.74 ft 1.04 R <br />Top Width: 8.44 ft 10.24 ft <br />Velocity: 4.83 fps <br />X-Section Area: 4.60 sq ft <br />Hydraulic Radius: 0.530 <br />Froude Number: 1.15 <br />Filename: Pit 6a - 100 yr.srA <br />Printed 08-06-2002 <br />