2013-10-01_PERMIT FILE - C2010089A ‎(2)‎

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 10/1/2013
• Doc Name: NHN-001 Ditches As-Built
• Section_Exhibit Name: Appendix 2.05.3‎(4)‎-7
• Media Type: D
• Archive: Yes

Project: West Segment 1 SWS By: B Langenfeld Date: 05/07/13
1. Data:
Drainage area: .................... A = 4.2040Acres
Runoff Curve Number: ............. CN = 91
Time of Concentration: ........... Tc = 0.09
Storm Type: ....................... = II
Pond and swamp areas spread
throughout watershed ............... = 0.00 percent of A
0.0000 Acres
2. Frequency ........................yr = 10
3. Rainfall ,P(24 - hour) .............. in = 2.00
4. Initial abstraction, la............ = 0.1978
5. Compute la/P ....................... = 0.0989
6. Unit peak discharge, qu ...... csm /in = 1000.00
7. Runoff ,Q .........................in = 1.1636
8. Pond & swap adjustment factor .... Fp = 1.00
9. Peak Discharge,gp ...............cfs = 7.6436
APPENDIX 2.05.3(4) -7 PAGE - 4 - MAY 2013 (TR 04)
#pproVe
01.00 -2013