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

W ./: I
10 -Yr 24 -hr Event
Runoff Curve Number and Runoff
Project: SWB -7
Location: Revenue Mine
Developed
1. Runoff Curve Number (CN)
Cover description
Mined Land, Disturbed (Poor)
CN (weighted): 87.0
Total Area: 14.431 Acre
2. Runoff
Return Period: 10 -Year
Rainfall, P: 2.20
Runoff, Q: 1.0645
Runoff Volume: 1.2801
25 -Yr 24 -hr Event
Runoff Curve Number and Runoff
Project: SWB -7
Location: Revenue Mine
Developed
1. Runoff Curve Number (CN)
Cover description
Mined Land, Disturbed (Poor)
CN (weighted): 87.0
Total Area: 14.431 Acre
2. Runoff
Return Period:
25 -Year
Rainfall, P:
2.60
Runoff, Q:
1.3952
Runoff Volume:
1.6778
Revenue Mine August 2012 6 -5
By: B Langenfeld Date: 05/23/12
Checked: Date:
CN Soil Group Area(Acre)
87 C 14.431
in
in
Acre -Ft
By: B Langenfeld Date: 04/05/12
Checked: Date:
CN Soil Group Area(Acre)
87 C 14.431
in
in
Acre -Ft