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<br />CULVERT A-8 BASIN 13 <br />Time of Concentration (SCS Method) <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 />08/07/1999 <br /> <br />CJ <br />Graphical Peak Discharge <br />Project: AMENDMENT By: GL <br />Location: CULVERT A-8 Checked: <br />Developed <br />1. Data: <br />Drainage area :....................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 adjustmen t factor,...Fp = 0.75 <br />9. Peak Discharge,gp ........ .......cfs = 6.7330 <br />(REVISED 12/00) <br />Date: 08/07/99 <br />Date: <br />Attachment 2.05.3(3) -10-113 <br />