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throughout watershed ............... <br />= 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ........................yr <br />= 10 <br />3. Rainfall ,P(24 - hour) .............. <br />in = 2.00 <br />4. Initial abstraction, la............ <br />= 0.4691 <br />5. Compute la /P ....................... <br />= 0.2346 <br />6. Unit peak discharge, qu <br />...... csm/in = 606.26 <br />7. Runoff ,Q .........................in <br />= 0.6045 <br />8. Pond & swap adjustment <br />factor .... Fp = 1.00 <br />9. Peak Discharge,gp ...............cfs <br />= 14.7178 <br />DITCH C1 <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: 6.00 <br />Wetted Perimeter: 7.37 <br />Area of Wetted Cross Section: 2.02 <br />Discharge: 11.13 cfs <br />Depth of Flow: 0.31 feet <br />Velocity: 5.50 fps <br />Channel Lining: EARTH WITH WEEDS <br />Freeboard: 0.28 feet <br />DITCH C2 <br />Time of Concentration (SCS Method) <br />Curve Number: 83 <br />Revised August 2009(PB06) Attachment 2.05.3(3) -1 -10 <br />