2013-01-14_PERMIT FILE - C1996083A ‎(11)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 1/14/2013
• 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 #14 (Erodible Channel)
NO
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right I Freeboard Freeboard Freeboard
limiting
Sideslope Sideslope Slope ( %} Manning's n
Velocity (fps)
Ratio Ratio Depth (ft) % of Depth Mult. x (VxD)
0.52 ft 0.82 ft
3.0:1 15.0:1 2.0 0.02501
0.30
6.0
Erodible Channel Results:
Filename: Pond F100 Year.sc4
Printed 11 -05 -2012
TR -76 App. B -27 11/12
w/o Freeboard w/ Freeboard
Design Discharge:
8.18 cfs
Depth:
0.52 ft 0.82 ft
Top Width:
9.30 ft 14.70 ft
Velocity:
3.40 fps
X- Section Area:
2.40 sq ft
Hydraulic Radius:
0.257 ft
Froude Number:
1.18
Filename: Pond F100 Year.sc4
Printed 11 -05 -2012
TR -76 App. B -27 11/12