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SEDCAD 4 for Windows <br />i Q,K--k <br />Structure Detail: <br />Structure #7 (Erodible Channel <br />DITCH -73 <br />Trapezoidal Erodible Channel Inputs: <br />Material: Shales and hardpans <br />Bottom Left Right. <br />Freeboard Freeboard Freeboard <br />Limiting <br />Width (ft) Sideslope SideslGpe Slope (%) Manning 's n <br />Depth: <br />. .... ...... <br />Velocity (fps) <br />Ratio Patio <br />Depth (ft) % of Depth Mult. x (VxD) <br />Velocity: <br />3.00 1.5:1 1.5:1 0.6 0.02501 <br />0.30 <br />1 6.0 <br />Erodible Channel Results: <br />Filena me: Pond J-1 00 Year Event-1 10513. sc4 <br />I <br />Printed 11-24-2013 <br />TR-84 Volume X1, App. B-49 02/14 <br />w/o Freeboard w/ Freeboard <br />Design Discharge: <br />33.31 cfs <br />1. - .1 - .-, . .. . . ..... <br />Depth: <br />. .... ...... <br />1.50 ft 1.80 ft <br />Top Width: <br />7.50 ft 8.40 ft <br />Velocity: <br />4.23 fps <br />X-Section Area: <br />7.87 sq ft <br />Hydraulic Radius: <br />0.936 ft <br />Froude Number: <br />0.73 <br />Filena me: Pond J-1 00 Year Event-1 10513. sc4 <br />I <br />Printed 11-24-2013 <br />TR-84 Volume X1, App. B-49 02/14 <br />