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
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Structure Detail:
Structure #9 (Erodible
F6
Triangular Erodible Channel Inputs:
Material: Shales and hardpan
Left Right
Freeboard Freeboard Freeboard Limiting
Sideslope Sides" Slope Manning's n
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
3.0:1 20.0:1 2,0 0.0250.
0.30 6.0
Erodible Channel Results:
Filename: Pond F100 Year.sc4
1
Printed 10-29-2012
TR-76 App. B-22 11/12
w/o Freeboard wl Freeboard
Design Discharge:
3.66 cfs
Depth:
0.35 ft 0.65 ft
Top Width:
8.01 ft 14.91 ft
Velocity;
2,62 -fps,
X-Section Area;
1.40 sq ft
---------- - - -
Hydraulic Radius:
0.173 ft
Froude Number:
1,11
Filename: Pond F100 Year.sc4
1
Printed 10-29-2012
TR-76 App. B-22 11/12