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

SEDCAD 4 for Windows
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OPERATIONS CONFIGURATION
Structure Detail;
Slru� tore' %'� (171,0(khk C,i)ollno/)
DITCH J-15
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)
4.89 fps
1.5:1 1.5:1 10.0 0.02501 0.30
6.0
Erodible Channel Results:
Filename: Pond J_10Yr-Operations, revised.sc4
Printed 09-21-2015
TR -105 Volume XI, App. B-22 09/15
w/o Freeboard w/ Freeboard
Design Discharge:
Depth:
Top Width:
0.75 cfs
0.32 ft 0.62 ft
0.95 ft 1.85 ft
Velocity:
4.89 fps
X -Section Area:
0.15 sq ft
Hydraulic Radius:
0.132 ft
Froude Number:
2.16
Filename: Pond J_10Yr-Operations, revised.sc4
Printed 09-21-2015
TR -105 Volume XI, App. B-22 09/15