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<br />SEDCAD 4 for Windows <br />Copyright 1998 Pamela J Schwab <br />Civil Software Design <br /> w/o Freeboard w/ Freeboard <br />Manning's n: 0.0690 <br />Dmin: 3.00 in <br />D60: 6.00 in <br />Dmax: 9.00 in <br />Structure #4 (Erodible Channel <br />S-4 <br />Trapezoidal Erodible Channel Inputs: <br />Material: Cobbles and shingles <br />Left Right <br />Bottom Freeboard Freeboard Freeboard Limiting <br />5ideslope sideslope slope (%) Manning's n <br />Width (ft) Mult. x Velocity <br />Ratio Ratio Depth (R) % of Depth (VxD) (f~) <br />12.00 3.0:1 3.0:1 2.4 0.0350 0.30 5.5 <br />Erodible Channel Results: <br />• <br />J <br /> w/o Freebo w/ Freeboard <br />Design Discharge: 171.88 cfs <br />Depth: `'0 90 R 1.20 R <br />Top Width: 17.40 R 19.20 R <br />Velocity: 5.43 fps <br />X-Section Area: 13.23 sq ft <br />Hydraulic Radius: 0.748 <br />Froude Number: 1.10 <br />New <br />Trapezoidal <br />Channel Inputs: <br />5 <br />W JC.~ <br />~,, s ~ <br /> <br />Bottom Left ht Freeboard Freeboard Freeboard <br />Width ft Sideslope Sides Slope Manning's n <br />( ) ° Mult. z <br />Ratio Ratio Depth (R) /° of Depth (yxD) <br />10.00 3.0:1 3 1.2 0.0220 0.30 <br />Nonerodible Chan <br />iesults: <br />w/o FrFr e~~w/ FreeboardFreeboard <br />Design Discharge: 77.07 ds ~ <br />Depth: 0.96 R 1.26 ft <br />Filename: Ditches Pond 2-182 west.sc4 <br />oQP sr~~. <br />Printed 04-19-2001 <br />