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throughout watershed ............... = 0.00 percent of A 0.0000 Sq Ft <br /> <br /> <br />I• <br />2. Frequency ........................yr = 100 <br />3. Rainfall,P(24-hour) ..............in = 2.20 <br />4. Initial abstraction, Ia............ = 0.3256 <br />5. Compute Ia/P ....................... = 0.1480 <br />6. Unit peak dischazge, qu......csm/in = 988.00 <br />7. Runoff,Q .........................in = 1.0032 <br />8. Pond & swap adjustment factor,...Fp = 1.00 <br />9. Peak Dischazge, gp ...............cfs = 26.4663 <br />Culvert Design <br />Design Pazameters: <br />12/21/2005 16:55 <br />Embankment Elevation (ft): 10.00 <br />Maximum Water Elevation (ft): 9.00 <br />Inlet Elevation (ft): 7.00 <br />Outlet Elevation (ft): 1.00 <br />Tailwater Depth (ft): 1.00 <br />Slope in Percent: 10.0 <br />Length of Pipe (ft): 60.0 <br />Diameter of Pipe (in).: 24.0 <br />Type of Pipe: CMP <br />Manning's n: 0.024 <br />Head Loss Coefficient: 0.23 <br />Flow Type: Pipe Control <br />CALCULATION OUTPUTS <br />Dischazge (cfs): 40.2339 <br />Depth of Flow: 2.0 <br />Velocity (fps): 12.8068 <br />BellgazdtPit 1/06 <br />15 <br />