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 #3 (Erodible Chann %�
FI
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:
3.0:1 15.0:1 3.0 0.0250
0.30
1 6.0
Erodible Channel Results:
Filename: Pond F100 Year.sc4
1
Printed 11 -05 -2012
TR -76 App. B -17 11/12
w/o Freeboard w/ Freeboard
Design Discharge:
4.10 cfs
Depth:
0.37 ft 0.67 ft
Top Width:
6.63 ft 12.03 ft
- -- -
Velocity:
3.36 fps
- --
X- Section Area:
1.22 sq ft
Hydraulic Radius:
0.183 ft
Froude Number:
1.38
Filename: Pond F100 Year.sc4
1
Printed 11 -05 -2012
TR -76 App. B -17 11/12