2014-09-02_PERMIT FILE - C1996083A ‎(3)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2014
• 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

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Structure Detail;
Structure #18 Nonerodible Chann %�
DITCH I -1
Trapezoidal Nonerodible Channel Inputs:
Material: Concrete
Bottom -Left . Right -
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope (%) - Manning's n
0.60 cfs
- -
Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
1.00 1.0:1 1.0:1 1.0 0.0150
0.30
Nonerodible Channel Results:
Filename: Pond J-10 Year Event-01 3014.sc4
1
Printed 02 -04 -2014
TR -84 Volume XI, App. B -16 02/14
w /o- Freeboard w/ Freeboard
Design Discharge:
0.60 cfs
- -
Depth:
0.19 ft 0.49 ft
Top Width:
1.37 ft 1.97 ft
Velocity,:--
2.73 fps
—
X- Section Area:
0.22 sq ft
Hydraulic Radius:
0.144 ft
Froude Number:
1.20
Filename: Pond J-10 Year Event-01 3014.sc4
1
Printed 02 -04 -2014
TR -84 Volume XI, App. B -16 02/14