2018-03-30_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 3/30/2018
• 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
(`nnvrinM 10QH .7M (1 Pamnh I Crh-.K
Structure Detail:
Structure #4 Erodible Channel)
F2
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n
Depth:
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
Velocity:
3.0:1 15.0:1 1.3 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond F 100Year.sc4
Printed 01-07-2015
TR -98 App. B-30 01/15
w/o Freeboard w/ Freeboard
Design Discharge:
5.17 cfs
Depth:
0.47 ft 0.77 ft
Top Width:
8.49 ft 13.89 ft
Velocity:
2.58 fps
X -Section Area:
2.00 sq ft
Hydraulic Radius:
0.234 ft
Froude Number:
0.94
Filename: Pond F 100Year.sc4
Printed 01-07-2015
TR -98 App. B-30 01/15