2012-06-28_PERMIT FILE - M2012032 ‎(21)‎

• Permit No: M2012032
• IBM Index Class Name: PERMIT FILE
• Doc Date: 6/28/2012
• Doc Name: Appendix 6 & 7
• Media Type: D
• Archive: No

SWB -3
Graphical Peak Discharge
Project: SWB -3
Location: Revenue
Developed
1. Data:
Drainage area: .................... A =
Runoff Curve Number :.............CN =
Time of Concentration: ........... Tc =
Storm Type :....................... _
Pond and swamp areas spread
throughout watershed ............... _
2. Frequency ........................yr =
3. Rainfall ,P(24 - hour) .............. in =
4. Initial abstraction, Ia............ =
5. Compute Ia /P ....................... =
6. Unit peak discharge, qu ...... csm /in =
7. Runoff ,Q .........................in =
8. Pond & swap adjustment factor .... Fp =
9. Peak Discharge,gp ...............cfs =
SWB -4
Graphical Peak Discharge
Project: SWB -4
Location: Revenue
Developed
1. Data:
Drainage area: .................... A =
Runoff Curve Number: ............. CN =
Time of Concentration: ........... Tc =
StormType: ....................... _
Pond and swamp areas spread
throughout watershed ............... _
2. Frequency ........................yr =
3. Rainfall ,P(24 - hour) .............. in =
4. Initial abstraction, Ia............ =
5. Compute Ia /P ....................... =
6. Unit peak discharge, qu ...... csm /in =
7. Runoff ,Q .........................in =
8. Pond & swap adjustment factor,...Fp =
9. Peak Discharge,gp ...............cfs =
Revenue Mine August 2012 6 -2
By: B Langenfeld Date: 05/23/12
Checked: Date:
32.2460Acres
75
0.24
II
0.00 percent of A
0.0000 Acres
100
3.30
0.6667
0.2020
696.38
1.1622
1.00
40.7778
By: B Langenfeld Date: 05/23/12
Checked: Date:
14.0470Acres
73
0.21
II
0.00 percent of A
0.0000 Acres
100
3.30
0.7397
0.2242
723.84
1.0473
1.00
16.6388