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• CULVERTA-8 BASIN 13 <br />Time of Concentration (SCS Method) 08/07/1999 <br />Curve Number: 88 <br />Length of Flow (ft): 720.71 <br />Average Land Slope Q: 7 <br />Time of Concentration (hrs): 0.12 <br />08/07/1999 <br /> <br />• <br />Graphical Peak Discharge <br />Project: AMENDMENT <br />Location: CULVERT A-8 <br />Developed <br />By: GL <br />Checked: <br />Date: 08/07/99 <br />Date: <br />1. Data: <br />Drainage area:.......... <br />A = 6.3600 Acres <br />Runoff Curve Number :.............CN = 88 <br />Time of Concentration:...........Tc = 0.12 <br /> Pond and swamp areas spread <br /> throughout watershed. = 5.00 percent of A <br /> 0.3180 Acres <br />2. Frequency .................. ......yr = 10 <br />3. Rainfall,P(24-hour) ..... .........in = 2.00 <br />4. Initial abstraction, la... ......... = 0.2727 <br />5. Compute la/P ............. .......... = 0.1364 <br />6. Unit peak discharge, qu......csm/in = 935.91 <br />7. Runoff,Q ..................... ....in = 0.9652 <br />8. Pond & swap adjustment factor,...Fp = 0.75 <br />9. Peak Discharge,gp ..... ..........cfs = 6.7330 <br />(Revised 72100) <br />Attachment 2.05.3(3) -70-92 <br />