2013-02-11_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 2/11/2013
• 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 #39 (Erodible Channel
F19
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right i Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope Manning's n I
Velocity (fps)
Ratio Ratio Depth (ft) % of Depth Mult. x (VxD)
0.49 ft 0.79 ft
3.0:1 15.0:1 3.0 0.0250 0.30
6.0
Erodible Channel Results:
Filename: Pond F100 Year.sc4 Printed 11-05 -2012
TR -76 App. B -37 11/12
w/o Freeboard w/ Freeboard
Design Discharge:
8.65 cFs
Depth:
0.49 ft 0.79 ft
Top Width:
8.80 ft 14.20 ft
Velocity:
4.02 fps
X- Section Area:
2.15 sq ft
Hydraulic Radius:
0.243 ft
Froude Number:
1.43
Filename: Pond F100 Year.sc4 Printed 11-05 -2012
TR -76 App. B -37 11/12