Laserfiche WebLink
• DITCH C-4 BASIN 22 <br />Time of Concentration (SCS Method) <br />Curve Number: 86 <br />Length of Flow (ft): 788.13 <br />Average Land Slope (): 3.3 <br />Time of Concentration (hrs): 0.20 <br />08/07/1999 <br />08/07/1999 <br />Graphical Peak Discharge <br />Project: AMENDMENT By: GL <br />Location: DITCH C-4 Checked: <br />Developed <br />1. Data: <br />Drainage area :....................A = 1.4300 Acres <br />Runoff Curve Number :.............CN = 86 <br />• Time of Concentration:...........Tc = 0.20 <br />Date: 08/07/99 <br />Date: <br />Pond and swamp areas spread throughout watershed = 5.00 percent of A <br />0.0715 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......csm/in = 768.60 <br />7. Runoff,Q .........................in = 0.8490 <br />8. Pond & swap adjustment factor,...Fp = 0.76 <br />9. Peak Discharge,gp ...............cfs = 1.1081 <br />• (REVISED(4-30-02) Attachment 2.05.3(3)-1- 11 <br />