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4. Initial abstraction, la............ = 0.5000 <br />5. Compute la /P ....................... = 0.1667 <br />6. Unit peak discharge, qu ...... csm/in = 504.29 <br />7. Runoff, Q .........................in = 1.2500 <br />8. Pond & swap adjustment factor .... Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs = 20.7825 <br />DITCH C13 <br />Channel Type: Trapezoidal, Equal Side Slopes <br />Dimensions: Left Side Slope 2.00:1 <br />Right Side Slope 2.00:1 <br />Base Dimension: 7.00 <br />Discharge: 20.80 cfs <br />Depth of Flow: 0.54 feet <br />Velocity: 4.78 fps <br />Channel Lining: GRASS <br />Freeboard: 0.30 feet <br />DITCH C14 <br />Time of Concentration (SCS Method) <br />Curve Number: 80 <br />Length of Flow (ft): 1350.50 <br />Average Land Slope (percent): 4.8 <br />Time of Concentration (hrs): 0.31 <br />DITCH C14 <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -25 <br />