2016-10-12_PERMIT FILE - C1996083A

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 10/12/2016
• Doc Name: Appendix A through Appendix C
• Section_Exhibit Name: Volume IX Coal Mine Waste Disposal Area No. 2
• Media Type: D
• Archive: Yes

MR -189 App. B-2 09/16
Appendix B
Summary
Coal Mine Waste Disposal Area Ditches and Culverts
Ditch Grade
Minimum Grade
Maximum Grade
RipRapPeak
Min
Max
Depth
Velocity
Depth Velocity
50 InchFlo
Feet
Ft/Sec
Feet
Ft/Sec
cfs
F1 1
4.2%1
4.2%1
0.401
4.21
0.401
4.21
1
6.18
F2 1
1.3%1
1.3%1
0.471
2.61
0.471
2.61
1
5.17
F3 1
4.4%1
4.4%1
0.341
3.81
0.341
3.8
3.83
F4 1
30.0%1
30.0%1
1.401
14.01
1.401
14.01
241
39.22
F5 1
2.0%1
2.0%1
0.381
2.81
0.381
2.8
3.50
F6 1
1.1%1
1.1%1
0.401
2.11
0.401
2.1
3.93
F7 1
2.0%1
2.0%1
ITrapezoidal Channel
1
12
19.08
F7a 1
33.0%1
33.0%1
0.901
11.71
0.901
11.71
241
19.08
F8 1
4.6%1
4.69/6
0.371
4.21
0.371
4.21
15.22
F9 1
30.0%1
30.0%1
0.101
6.21
0.101
6.21
12
1.40
F10 1
2.2%1
2.2%1
0.541
3.71
0.541
3.7
9.63
F11 1
3.4%1
3.4%1
0.331
3.31
0.331
3.31
1
3.19
F12 1
3.6%1
3.6%1
0.391
3.81
0.391
3.81
15.03
F13 1
2.0%1
2.0%1
0.801
4.11
0.801
4.11
13.93
F14 (2%) 1
2.0%1
2.0%1
ITrapezoidal Channel11.22
F14 (30%) 1
26.0%1
26.0%1
ITrapezoidal Channel
1
181
11.22
F15 1
1.8%1
1.8%1
0.481
2.71
0.481
2.741
10.96
F16 1
10.0%1
10.0%1
1.301
8.01
1.301
7.981
181
3.05
F17 1
1.0%1
1.0%1
0.681
2.61
0.681
2.61
12.14
IF18 1
3.4%1
3.4%1
0.561
2.31
0.561
2.31
1
1.08
F19 1
2.9%1
2.9%1
0.391
2.61
0.391
2.61
10.60
East Div. 1
2.0%1
30.0%1
ITrapezoidal Channel
1
0-24" 1
21.21
W. Div #2 1
4.0%1
4.0%1
0.401
2.61
0.401
2.6
3.52
W. Div #1 1
3.5%1
3.5%1
0.811
4.31
0.811
4.31
1
10.64
Permanent Culvert:
F2130"
I I
I
I
I I
1
1
15.14
F4 I Deleted From Design with TR-87, will remain in place until Pond D expansion is complete.
Tempora Culvert:
T-F1 30" Half Culvert
1
21.75
T-F2 12"
I
1
1
0.47
T-F3 24"
I
1
1
21.41
T-F4 30" Half Culvert
I
1
1
4.74
T-F5 30" Half Culvert
1
5.82
T-F6 36"
I I
I
39.22
Flow depth in feet does not include freeboard.
MR -189 App. B-2 09/16