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SEDCAD 4 for Windows <br />r,...,,d..~,~ ~°°a o~.,,em i c~m..,n <br />15 <br /> w/o Freeboard w/ Freeboard <br />Manning's n*: <br />Dmin: 3.00 in <br />D60: 9.00 in <br />Dmax: 11.2s in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #20 (Erodible Channe/~ <br />D-F20 <br />Triangular Erodible Channel Inputs: <br />Material: Shales and hardpans <br />Left Rigfit Freeboard Freeboard Freeboard Limiting <br />Sideslope Sideslope slope (%) Manning's n Mult <br />x Velocity <br />Ratio Ratio . <br />Depth (ft) % of Depth (VxD) (fps) <br />I.5:1 1.5:1 2.0 0.0250 0.30 6.0 <br />Erodible Channel Results: <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 14.51 cfs <br />Depth: 1.31 R 1.61 R <br />Top Width: 3.93 R 4.83 ft <br />Velocity: 5.63 fps <br />X-Section Area: 2.58 sq R <br />Hydraulic Radius: 0.545 <br />Froude Number: 1.22 <br />Structure #17 (Erodib/e Channe/~ <br />D-F17 <br />Triangular Erodible Channel Inputs: <br />Material: Shales and hardpans <br />Left Right Freeboard Freeboard Freeboard Limitng <br />sideslope Sideslope Slope (%) Manning's n Mult. x Velocity <br />Ratio Ratio Depth (ft) °h of Depth (VxD) (fps) <br />2.0:1 20.0:1 5.0 0.0250 0.30 6.0 <br /> <br />Erodible Channel Results: <br />w/o Freeboard w/ Freeboard <br />Design Discharge: 2.64 ds <br />Filename: GobPileDitches.sc4 <br />App-B - 23 - <br />Printed 10-29-2003 <br />11 /03 <br />