2016-11-07_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 11/7/2016
• Doc Name: Appendix A through Appendix C
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
(,—,—Kf 100Q -Inll) D-1, I Q,h—.k
Structure Detail:
Structure #22 (Erodible Channel
DIRECT
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right Freeboard Freeboard Freeboard
Limiting
Sideslope Slcleslope Slope Manning's n
Velocity (fps)
Ratio Ratio Depth (ft) % of Depth Mult. x (VxD)
0.52 ft 0.82 ft
1.5:1 1.5-.1 2.0 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond F—IOOYear.sc4
1
Printed 07-31-2013
TR -81 App. B-61 10/13
w/o Freeboard wl Freeboard
Design Discharge:
1.21 cfs
Depth:
0.52 ft 0.82 ft
Top Width:
1,55 ft 2.45 ft
Velocity:
3.02 fps
X -Section Area:
0.40 sq ft
Hydraulic Radius:
0,215 ft
Froude Number:
1.05
Filename: Pond F—IOOYear.sc4
1
Printed 07-31-2013
TR -81 App. B-61 10/13