2015-04-02_PERMIT FILE - C1996083

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 4/2/2015
• 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 4.0
'I,....,.>ntir iooa_nnin v—t. t a,4... —k
East Clean Water Diversion (1.0 %)�10, Year Event
Material: Alluvial sifts colloidal
Triangular Channel
Sides
Left,
Sidope Slope ( %) MannlrKA n
Reeboard Freeboard Freeboard
Umiting
Velocity (fps)
Rat16 Ratio
Depth (ft) % of Depth Mult. x (VxD)
_ 1.24 ft 1.54 ft
1.5:1 1.5:1 1.0 0.0250
0.30
5.0
Flow Derived from:
Drainage Area "D" (10- year): 3.47
W. Div. Ditch #1 (10- Year): 4.44
Individual SWS: 0.88
Total: 8.79
SEDCAD Utility Run
Printed 11 -20 -2013
1
TR -91 Volume XI, App. B -73 10/14
-:-W /o Freeboard ' ' w/. Freeboard
Design Discharge:
8.79 dS
Depth:
_ 1.24 ft 1.54 ft
Top Width:
Velocity;
3.71 ft 4.61 ft
3.83 fps
-- X ^Section Area:
L -
2.30 sq ft
Hydraulic Wus:
Froude Number:
0.515 ft
0.86
Flow Derived from:
Drainage Area "D" (10- year): 3.47
W. Div. Ditch #1 (10- Year): 4.44
Individual SWS: 0.88
Total: 8.79
SEDCAD Utility Run
Printed 11 -20 -2013
1
TR -91 Volume XI, App. B -73 10/14