2009-12-28_PERMIT FILE - C1996083A ‎(10)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 12/28/2009
• Doc Name: Appendix A to Appendix C Report, 11/10/03
• Section_Exhibit Name: Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

•
0
Appendix B
Summary
Coal Mine Waste Disposal Area Ditches and Culverts
Ditch Grade
Minimum Grade
IMaximum Grade
I RipRap
I Peak
Min
I Max
Depth
I Velocity
Depth Velocity
5o nc
Flo
Feet
I Ft/Sec
Feet Ft/Sec
I
I cfs
F 1
1 3.5
3.5%1
0.301
3.11
0.301 3.1
2.89
F2
1 2%
2%1
0.351
2.61
0.351 2.61
1 3.61
F3
1 2%
2%1
0.301
2.41
0.301 2.41
1 2.21
F4
1 10%
40%1
ITrapezoidal
Channel
I 24
24.29
F5
1 2%
2%1
0.341
2.61
0.341 2.6
3.47
F6
1 2%
2%1
0.401
2.61
0.401 2.61
1 3.66
F7
1 2%
2%
Trapezoidal
Channel
1 151
43.97
F8
1 2%
2%1
2.21 0.271 2.21
1 1.89
F9
1 5%1
40%1
ITrapezoidal Channel
1 91
0.65
I F 10
1 2%
2%1
0.381
2.81 0.381 2.81
1 4.53
F11
1 10%
50%1
ITrapezoidal
Channel
1 211
26.04
I F 12
1 2%
2%1
0.341
2.61 0.341 2.61
1 3.43
I F 13
1 2%
2%1
0.98
4.6 0.981 4.61
1 6.72
F14
1 20%
50%1
I Trapezoidal Channel
1 181
33.74
F15
1 2%1
30%1
ITrapezoidal Channel
1 12
2.34
F16
I 10%
io%l
ITrapezoidal Channel
1 91
5.19
F17
1 2%
2%1
0.251
2.11 0.251 2.1
1.47
F18 1
2.5%1
2.5%1
0.561
3.81 0.561 3.8
2.93
I F 19 1
2.0%1
2.0%1
0.381
2.81 0.381 2.81
1 4.71
F20 1
30.0%1
30.0%1
ITrapezoidal
Channel 1
181
4.86
F21 1
2.0%1
2.0%1
0.311
2.41 0.311 2.41
1
2.62
East Div. 1
2.5%
5%1
ITrapezoidal
Channel 1
1
9.86
W. Div #1
5%1
10%1
ITrapezoidal
Channel 1
91
2.63
W. Div #21
2.5%
5%1
0.431
4.71 0.351 5.91
7.35
Culvert:
F2142"
40.46
Flow depth in feet does
not
include freeboard.
TR -64 App -B9 09/09
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