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
('- -,inhl 1 QQA -')M n P-1, I .CnM.mh
East Clean Water Diversion - (1.0 %) - 10 Year
Material: Alluvial silts colloidal
Triangular Channel
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %} Manning's n
Depth:
Velocity (fps)
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD )
_..�_._..__.__. Velocity:
1.5:1 1.5:1 1.0 0.0250
0.30
5.0
Flow Derived from:
Drainage Area "D" (10 -Year)
W. Div. Ditch #1 (10- year):
Flow from 7.5% section:
Flow from coverfill SAE:
SEDCAD Utility Run
3.47
4.44
1.77
0.86
Total: 10.54
Printed 01 -29 -2015
TR -91 Volume XI, App. B -78 01/15
w/o Freeboard w/ Freeboard
Design Discharge:
10.54 cfs
Depth:
1.32 ft f 1.62 ft
Top Width:
W 3.97 ft 4.87 ft
_..�_._..__.__. Velocity:
-- 4.01 fps
-VX- Section Area:
2.63 sq ft
.__. --- ...._._..._............
Hydraulic Radius:
-- -
0.551 ft
Froude Number:
0.87
Flow Derived from:
Drainage Area "D" (10 -Year)
W. Div. Ditch #1 (10- year):
Flow from 7.5% section:
Flow from coverfill SAE:
SEDCAD Utility Run
3.47
4.44
1.77
0.86
Total: 10.54
Printed 01 -29 -2015
TR -91 Volume XI, App. B -78 01/15