2014-09-02_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2014
• 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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Structure Detail:
Structure #23 65rodlble Channel)
DITCH J -16
Triangular Erodible Channel Inputs:
Material: Shales and hardpans
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope Manning's n
Depth:
Vel9dty (fps)
Ratio Ratio
Depth (ft) . 9% of Depth Mult. x (VxD)
--velocity:
1.5:1 1,5:1 1010 0.0250
0.30
6.0
Erodible Channel Results:
Filename: Pond J-1 0 Year Event-01 3014.sc4
TR-84
I
Printed 02-04-2014
Volume X1, App. B-25 02/14
w/o Freeboard w/ Freeboard
Design Discharge:
0.27 cfs
Depth:
0.21 ft 0.51 ft
Top Width:
0.64 ft 1.54 ft
--velocity:
3.76 fps
X-Section Area:
0.07 sq ft
Hydraulic Radius:
0.089 ft
Froude Number:
2.03
Filename: Pond J-1 0 Year Event-01 3014.sc4
TR-84
I
Printed 02-04-2014
Volume X1, App. B-25 02/14