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• CULVERT A-6 BASIN 11 <br />Time of Concentration (SCS Method) <br />Curve Number: 88 <br />Length of Flow (ft): 600.92 <br />Average Land Slope (): 9.2 <br />Time of Concentration (hrs): 0.09 <br />f~ <br />Graphical Peak Discharge <br />Project: AMENDMENT <br />Location: CULVERT A-6 <br />Developed <br />1. Data: <br />Drainage area :................. <br />Runoff Curve Number:.... <br />Time of Concentration:.... <br />Pond and swamp are <br />2. Frequency ............... <br />3. Rainfall,P(24-hour).. <br />4. Initial abstraction, la <br />5. Compute la/P........... <br />08/07/1999 <br />08/07/1999 <br />By: GL Date: 08/07/99 <br />Checked: Date: <br />A = 4.7000 Acres <br />......CN = 88 <br />....Tc = 0.09 <br />as spread throughout watershed. = 5.00 percent of A <br />0.2350 Acres <br />........yr = 10 <br />...........in = 2.00 <br />........... = 0.2727 <br />............ = 0.1364 <br />6. Unit peak discharge, qu......csm/in = 990.91 <br />7. Runoff,Q .........................in = 0.9652 <br />8. Pond & swap adjustment factor,...Fp = 0.75 <br />9. Peak Discharge,gp ...............cfs = 5.2680 <br />• taevisEn izioo~ Attachment 2.05.3(3)-1- 29 <br />