2014-08-19_PERMIT FILE - C1980007 ‎(10)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 8/19/2014
• Doc Name: Haul Road Geotechnical Design Method
• Section_Exhibit Name: Exhibit 82 Appendix H
• Media Type: D
• Archive: No

Mountain Coal Company RPE East HR -1: Seepage & Stability Analysis
Seepage Analysis
File Name: RPE Haul Road Stability_ FinalSurvey.gsz
6.55 - - -
Last Saved Date: 5/10/2012 Name: Shale
Model: Saturated Only
6.50 K -Sat: 3.28e-008 ft/sec
Volumetric Water Content: 0.25 ft'/ft'
Road-----------------------------
C)
----------------------O-
O 6.20 7.5 gpm/50' = 3.342e-004 cfs/ft
Name: Coal
0
6.55
Name: Colluvium (FS) (no suction)
6.45
Model: Saturated/ Unsaturated
6.40
K -Function: Colluvium
__"--
x
Vol. WC. Function: Colluvium
6.40
K -Sat: 3.28e-005 ft/sec
6.20
Name: Carbonaceous Shale (Impenetrable)
6.15 C
Volumetric Water Content: 0.2 ft'/ft3
Model: Saturated Only
6.35
K -Sat: 3.28e-008 ft/sec
Name: Drainage Blanket
6.30
Volumetric Water Content: 0.25 ft'/ft'
Model: Saturated Only
K -Sat: 0.00085301837 ft/sec
6.00
Volumetric Water Content. 0.3 ft ' Haul
Road-----------------------------
C)
----------------------O-
O 6.20 7.5 gpm/50' = 3.342e-004 cfs/ft
Name: Coal
0
6.55
6.50
6.45
6.40
Model: Saturated Only
__"--
x
6.15
K -Sat: 3.28e-005 ft/sec
6.20
6.15 C
Volumetric Water Content: 0.2 ft'/ft3
C
c
6.10
�
6.10
6.00
5.95
co
5.90
5.85
5 80
5.75
5.70
6.05
W
6.00
5.95
5.90
5.85
Name: Sandstone
Model: Saturated ly
5.80
K -Sat: 3.28e-006 f ec
Volumetric Water C ntent: 0.15 ft'/ft'
5.75
5.7011-
0.26
0.36 0.46 0.56 0.66
0.76 0.86 0.96 1.06 1.16
Horizontal Distance (ft) (x 1000)
1.26 1.36 1.46
Figure 7
6.55
6.50
6.45
6.40
6.35
----------------------------------
6.30
6.25
6.20
6.15 C
C
c
6.10
6.05
6.00
5.95
5.90
5.85
5 80
5.75
5.70
1.56 1.66 1.76