Laserfiche WebLink
C~ <br /> <br />• <br />DITCH C-5 BASIN 17 POND 010 SUBWATERSHEDS SW3 AND SW4 <br />Time of Concentration (SCS Method) 0 8/0 711 9 9 9 <br />Curve Number: 85 <br />Length of Flow (ft): 3679.09 <br />Average Land Slope Q: 4.78 <br />Time of Concentration (hrs): 0.58 <br />Graphical Peak Discharge <br />08/07/1999 <br />Project: AMENDMENT By: GL Date: 08/07/99 <br />Location: DITCH C-5 Checked: Date: <br />Developed <br />1. Data: <br />Drainage area :....................A = 168.1000 Acres <br />Runoff Curve Number :.............CN = 85 <br />Time of Concentration:...........Tc = 0.58 <br />3. Rainfall,P(24-hour) ........ ......in = 2.00 <br />4. Initial abstraction, la....... ..... = 0.3529 <br />5. Compute la/P ................. ...... = 0.1765 <br />6. Unit peak discharge, qu. .....csm/in = 458.81 <br />7. Runoff,Q ........................ .in = 0.7951 <br />8. Pond & swap adjustment factor,...Fp = 0.72 <br />9. Peak Discharge,gp ........ .......cfs = 68.9903 <br />Pond and swamp areas spread throughout watershed = 5.00 percent of A <br />8.4050 Acres <br />2. Frequency ........................yr = 10 <br />(Revised 12/00) <br />Attachment 2.05.3(3) -10-74 <br />