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• 3. Rainfall,P(24-hour) ..............in = 3.00 <br />4. Initial abstraction, la............ = 0.4691 <br />5. Compute la/P ....................... =.0.1564 <br />6. Unit peak discharge, qu......csm/in = 804.35 <br />7. Runoff,Q .........................in = 1.3135 <br />8. Pond & swap adjustment factor,...Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs = 8.7492 <br />DITCH C3 <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: 5.00 <br />Wetted Perimeter: 6.22 <br />Area of Wetted Cross Section: 1.51 <br />Discharge: 8.70 cfs <br />Depth of Flow: 0.27 feet <br />Velocity: 5.76 fps <br />Freeboard: 0.28 feet <br />• REVISED MARCH2O06 Attachment 2.05.3(3)-1-12 <br />