2015-10-05_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 10/5/2015
• 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
Structure Detail;
Structure #38 (Erodible Ownell
F18
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)
Hydraulic Radius:
3.0:1 15.0:1 3.4 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond F 100Year_sc4
Printed 07 -24 -2013
TR -81 App. B -51 09/13
w/o Freeboard w/ Freeboard
Design Discharge:
2.41 cfs
Depth:
0.30 ft 0.60 ft
Top Width:
Velocity:
X- Section Area:
5.32 ft 10.72 ft
3.06 fps
0.79 sq ft
Hydraulic Radius:
0.147 ft
Froude Number:
1.40
Filename: Pond F 100Year_sc4
Printed 07 -24 -2013
TR -81 App. B -51 09/13