2014-09-22_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/22/2014
• Doc Name: Appendix B - Protection of Hydrologic Balance
• Section_Exhibit Name: Volume XI Coal Mine Waste Disposal Area No. 3
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Structure Detail:
Structure #20 (Cu /vertu
CUL VERT J-4
Culvert Inputs:
Max. Entrance
Length (ft) Slope (%) Manning`s n Headwater Tailwater (ft) Loss Coef.
(ft) (Ke)
28.00 11.00 0.0240 2.00 0.00 0.50
Culvert Results:
Design Discharge = 10.97 cfs
Minimum pipe diameter: 1 - 24 inch pipe(s) required
1
Filename: Pond J-1 DO Year Event-11 10513.sc4 Printed 11 -24 -2013
TR -84 Volume XI, App. B -56 02/14