2015-12-23_PERMIT FILE - C1996083A ‎(5)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 12/23/2015
• Doc Name: Appendix B - Protection of Hydrologic Balance
• Section_Exhibit Name: Volume XI Coal Mine Waste Disposal Area No. 3
• Media Type: D
• Archive: Yes

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OPERATIONS CONFIGURATION
Structure Detail:
Shut/ u/ c 12 LEi odlble- 0111111el )
DITCH J8
Trapezoidal Erodible Channel Inputs:
Material: Alluvial silts noncolloidal
Bottom Left Right Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n
Velocity (fps)
Width (ft)
Ratio Ratio Depth (ft) % of Depth Mult. x (VxD)
0.50 ft 1.50 ft
3.00 1.5:1 1.5:1 0.7 0,02001 1.00
6.0
Erodible Channel Results:
Filename: Pond J_100Yr-Operations, revised.sc4
1
Printed 09-21-2015
TR -105 Volume XI, App. B-50 09/15
w/o Freeboard w/ Freeboard
Design Discharge:
6.24 cfs
Depth:
0.50 ft 1.50 ft
Top Width:
4.50 ft 7.50 ft
Velocity:
3.33 fps
X -Section Area:
1.87 sq ft
Hydraulic Radius:
0.390 ft
Froude Number:
0.91
Filename: Pond J_100Yr-Operations, revised.sc4
1
Printed 09-21-2015
TR -105 Volume XI, App. B-50 09/15