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 OPERATIONS CONFIGURATION
r--hf 1°OA An1n Parol. 1 C,hw.h
1
Structure Detail:
sialcture_ 0,/ (tfod/h/o-halmW/
DITCH J3
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
Freeboard Freeboard Freeboard
Limiting
Bottom Sideslope Sideslope Slope (%) Manning's n
Depth:
Velocity (fps)
Widen Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
Velocity:
3.00 1.5:1 1.5:1 0.6 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond J_100Yr-Operations, revised.sc4
Printed 09-21-2015
TR -105 Volume XI, App. B-49 09/15
w/o Freeboard w/ Freeboard
Design Discharge:
36.08 cfs
Depth:
1.56 ft 1.86 ft
Top Width:
7.69 ft 8.59 ft
Velocity:
4.32 fps
X -Section Area:
8.35 sq ft
Hydraulic Radius:
0.967 ft
Froude Number:
0.73
Filename: Pond J_100Yr-Operations, revised.sc4
Printed 09-21-2015
TR -105 Volume XI, App. B-49 09/15