Laserfiche WebLink
<br />• <br />• <br />CULVERT A-13 BASIN 22 <br />Time of Concentration (SCS Method) <br />Curve Number: 75.28 <br />Length of Flow (ft): 521.66 <br />Average Land Slope {): 11.28 <br />Time of Concentration (hrs): 0.11 <br />Graphical Peak Discharge <br />Project: CULVERT A-13 By: R.L.G <br />Location: POND009&27RD Checked: <br />Present <br />1. Data: <br />Drainage area :....................A = 21.1400 Acres <br />Runoff Curve Number :.............CN = 75 <br />Time of Concentration:...........Tc = 0.11 <br />Pond and swamp areas spread <br />throughout watershed ............... = 0.00 percent of A <br />0.0000 Acres <br />2. Frequency ...................... ..yr = 10 <br />3. Rainfall,P(24-hour) ......... .....in = 2.00 <br />4. Initial abstraction, la....... ..... = 0.6567 <br />5. Compute la/P ................. ...... = 0.3284 <br />6. Unit peak discharge, qu. .....csm/in = 887.25 <br />7. Runoff,Q ........................ .in = 0.3900 <br />8. Pond & swap adjustmen t factor,...Fp = 1.00 <br />9. Peak Discharge,gp ........ .......cfs = 11.4284 <br />(REVISED 4-30-02) <br />Date: <br />Attachment 2.05.3(3) -10-118 <br />04/30/2002 09:07 <br />04/30/2002 09:10 <br />Date: 04/30/02 <br />