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• CULVERT A -3 BASIN 6 <br />Time of Concentration (SCS Method) 08/07/1999 <br />• <br />• <br />Curve Number: 86 <br />Length of Flow (ft): 490.94 <br />Average Land Slope (): 16 <br />Time of Concentration (hrs): 0.06 <br />Graphical Peak Discharge <br />Project: AMENDMENT <br />Location: CULVERT A-3 <br />Developed <br />1. Data: <br />08/07/1999 <br />By: GL Date: 08/07/99 <br />Checked: Date: <br /> Drainage area :............. .......A = 2.2000 Acres <br /> Runoff Curve Number :. ............CN = 86 <br /> Time of Concentration: ...........Tc = 0.06 <br /> Pond and swamp areas spread throughout watershed. = 5.00 percent of A <br /> 0.1100 Acres <br />2 . Frequency ................... .....yr = 10 <br />3 . Rainfall,P(24-hour) ...... ........in = 2.00 <br />4 . Initial abstraction, la.... ........ = 0.3256 <br />5. Compute la/P .............. ......... = 0.1628 <br />6. Unit peak discharge, qu......csm/in = 984.30 <br />7. Runoff,Q .........................in = 0.8490 <br />8. Pond & swap adjustment factor,...Fp = 0.75 <br />9. Peak Discharge,gp ...............cfs = 2.1545 <br />~eev~sen izioo~ Attachment 2.05.3(3)-1- 26 <br />