2014-09-22_PERMIT FILE - C1996083A ‎(2)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/22/2014
• 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 4.0
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East Clean Water Diversion (1.0%) - 10 Year Event
Material: Alluvial silts -colloidal
Triangular Channel
. Left Right
Sweslope Sideslope Slope (0/6) Mannlng's n
Freeboard Freeboard Freeboard
Limiting
Velocity (fps)
Ratio - Ratio
Depth (ft) % of Depth Mult. x (VxD)
1.24 ft 154 It
3.71 ft 4.61 ft
1.0 0.0250
0.30
X-Section Area:
Hydraullc Raclius:
Froude Number:
Flow Derived from:
Drainage Area "D" (10-year): 3.47
W. Div. Ditch #1 (10-Year): 4.44
Mine Water discharge: 0.50
Individual SWS: 0.88
Total: 9.29
SEDCAD U119ty Run
Printed 11-20-2013
I
TR-88 Volume X1, App. B-73 05/14
-.--w/o Freeboard . w /. Freeboard
Design Discharge:
9.29 dS
Depth:
Top Width:
1.24 ft 154 It
3.71 ft 4.61 ft
Velocity:
3.83 fps
X-Section Area:
Hydraullc Raclius:
Froude Number:
2.30 sq ft
0.515 ft
0.86
Flow Derived from:
Drainage Area "D" (10-year): 3.47
W. Div. Ditch #1 (10-Year): 4.44
Mine Water discharge: 0.50
Individual SWS: 0.88
Total: 9.29
SEDCAD U119ty Run
Printed 11-20-2013
I
TR-88 Volume X1, App. B-73 05/14