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• Runoff Curve Number :.............CN = 79 <br />Time of Concentration:...........Tc = 0.31 <br />Storm Type :....................... = II <br />Pond and swamp areas spread <br />throughout watershed ............... = 1.00 percent of A <br />0.4930 Acres <br />2. Frequency ........................yr = 10 <br />3. Rainfall,P(24-hour) ..............in = 2.00 <br />4. Initial abstraction, la............ = 0.5316 <br />• 5. Compute la/P ....................... = 0.2658 <br />6. Unit peak discharge, qu......csm/in = 590.63 <br />7. Runoff,Q .........................in = 0.5225 <br />8. Pond & swap adjustment factor,...Fp = 0.87 <br />9. Peak Discharge,gp ...............cfs = 20.6812 <br />CULVERT 112 <br />Time of Concentration (SCS Method) <br />Curve Number: 78 <br />Length of Flow (ftj: 3307.85 <br />• <br />REVISED MARCH 2006 <br />Attachment 2.05.3(3)-1-74 <br />