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CULVERT A -3 BASIN 6 <br />Time of Concentration (SCS Method) 08/07/1999 <br />Curve Number: 86 <br />Length of Flow (ft): 490.94 <br />Average Land Slope Q: 16 <br />Time of Concentration (hrs): 0.06 <br />08/07/1999 <br />Graphical Peak Discharge <br />Project: AMENDMENT By: GL Date: 08/07/99 <br />Location: CULVERT A-3 Checked: Date: <br />Developed <br />1. Data: <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......csmlin = 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 />• <br />(Revised 72/00) Attachment 2.05.3(3) -10-87 <br />