2014-06-04_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 6/4/2014
• 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
/`—m .hf 1000-1in1n 0-1. I Q,4..—k
East Clean Water Diversion (0.6%) - 100 Year Event
Material: Alluvial silts colloidal
Triangular Channel
..Bottom Left Right lo
Width (ft)'- 5ideslope . Side�ope Slope (%) Manning's n ,_
Freeboard Fceeboatcl Freeboard
Limiting it
Velod
Ratio Ratio
Depth (ft). 06 of Depth Mutt. z (VxD)
1.94 ft 2.24 ft
0.00 1.5:1 1.5:1 0.6 0.0250
0.30
5.0
Flow Derived from:
W/o Freeboard w/ Freeboard
Design Discharge:
2254 cfs
Depth: V
1.94 ft 2.24 ft
Top Width:
_ 5.61 ft 6.71 ft
Velocity:
-- 4.00 fps
X- Section Area:
5.64 sq ft
Hydraulk Radius:
�Froude
0.806 ft
Number:
0.72
Flow Derived from:
Drainage Area "D" (100 - year):
11.64
W. Div. Ditch #1 (100- Year):
9.19
Mine Water discharge:
0.50
Individual SWS:
1.24
Total:
22.54
SEDCAD U111ty Run
Printed 12 -09 -2013
1
TR -88 Volume XI, App. B-67 05/14