2014-11-21_PERMIT FILE - C1996083A ‎(5)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 11/21/2014
• 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 #11 (Erodible Channel
F8
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %} Manning's n
Velocity (fps)
Ratio Ratio Depth (ft) % of Depth Mult. x (VXD)
0.37 ft 0.67 ft
3.0:1 15.0:1 4.6 0.0250 1 0.30 I
6.0
Erodible Channel Results:
Filename: Pond F 100Year.sc4
1
Printed 09 -13 -2013
TR -81 App. B -40 09/13
w/o Freeboard w/ Freeboard
Design Discharge:
5.22 cfs
Depth:
0.37 ft 0.67 ft
Top Width:
6.72 ft 12.12 ft
Velocity:
4.16 fps
X- Section Area:
1.26 sq ft
Hydraulic Radius:
0.186 ft
Froude Number:
1.70
Filename: Pond F 100Year.sc4
1
Printed 09 -13 -2013
TR -81 App. B -40 09/13