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
r--i t.t ioon_onin oa,,,et. t o,.k —k
East Clean Water Diversion 1.0% - 10 Year Event
Material: Alluvial si, colloidal
Triangular Channel
Left Right
Sldeslape Sideslope Slope (�k) Manning's n
Freeboard Freeboard Freeboard
Umiting
Velocity (fps)
Ratio - Ratio
Depth (ft) % of Depth Mult, x (VxD)
=
1.5:1 1.5:1 1.0 0.02S0
030
5.0
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 Utility Run
Printed 11 -20 -2013
1
TR -88 Volume XI, App. B -73 05/14
-:-w /o Freeboard - w/- Freeboard
Design Discharge:
9.29 Cis
Depth:
1.24 ft 154 ft
Top Width:
3.71 ft 4.61 ft
Velocity:
-- 3.83 fps
– X ^Section Area:
Hydraullc Radius:
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 Utility Run
Printed 11 -20 -2013
1
TR -88 Volume XI, App. B -73 05/14