2015-01-30_PERMIT FILE - C1996083A ‎(17)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 1/30/2015
• 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 #J4 (L-rodihle Channel)
F10
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:
X -Section Area:
Hydraulic Radius:
Froude Number:
3.0:1 15.0:1 2.2 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond F 100Year.sc4
Printed 01-07-2015
TR -98 App. B-39 01/15
w/o Freeboard w/ Freeboard
Design Discharge:
9.63 cfs
Depth:
0.54 ft 0.84 ft
Top Width:
9.71 ft 15.11 ft
Velocity:
X -Section Area:
Hydraulic Radius:
Froude Number:
3.68 fps
2.62 sq ft
0.268 ft
1.25
Filename: Pond F 100Year.sc4
Printed 01-07-2015
TR -98 App. B-39 01/15