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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Str1](11110 9 (F10(liblf_1 ('110M)(21)
DITCH J5
OPERATIONS CONFIGURATION
Structure Detail:
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:
1.5:1 1.5:1 0.1 0.02501
0.30
1 6.0
Erodible Channel Results:
Filename Pond J_10Yr-0perations, revised.sc4
Printed 09-21-2015
TR -105 Volume XI, App. B-18 09/15
w/o Freeboard w/ Freeboard
Design Discharge:
0.66 cfs
Depth:
0.72 ft 1.02 ft
Top Width:
2.16 ft 3.06 ft
Velocity:
0.84 fps
X -Section Area:
Hydraulic Radius:
Froude Number:
0.78 sq ft
0.300 ft
0.25
Filename Pond J_10Yr-0perations, revised.sc4
Printed 09-21-2015
TR -105 Volume XI, App. B-18 09/15