PERMFILE137359

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Coal Refuse Pile and Haul Road Design ‎(Lincoln DeVore 1997)‎
• Section_Exhibit Name: Exhibit 2.05-E4 Part 1
• Media Type: D
• Archive: No

FAILURE SURFACE p 6 SPECIFIED BY 8 COORDINATE POINTS
SAFETY FACTOR - 1.878
X-CENTER = 117.65
Y-CENTER = 142.22
RADIUS - 112.19
POINT XSURF YSURF A1pNA
NO. (DEO)
1 92.00 33.00 -5.33
2 121.86 30.11 9.83
3 I S 1.42 35.23 25.20
4 178.56 48.01 40.57
S 201.35 67.52 53.94
6 218.IG 92.37 71.30
7 227.77 120.79 86.67
8 228.42 131.87
FAILURE SURFACE N 7 SPECffIED BY B COORDINATE POINTS
SAFETY FACTOR - 1.879
• X-CENTER - 118.08
Y-CENTER - 140.98
RADUS = 111.08
POINT XSURF 5'-SI~RF ALPHA
NU. (DEO)
I 92.00 33.00 -5.82
2 121.85 29.96 9.71
3 151.42 35.02 25.23
4 17R.56 47.80 40.75
S 201.28 67.39 SG.27
6 217.94 92.34 71.79
7 227.31 120.83 87.31
8 227.82 131.62
FAILURE SURFACE M 8 SPECIFIED BY 8 COORDINATE POINTS
SAFETY FACTOR - 1.883
X-CENTER= 112.35
Y-CENTER = 156.70
RADIUS = 1 2G.90
PVINT XSI~RF Y-SURF AIPIIA
NO. (DEU)
1 84.00 33.00 -G.12
2 113.83 29.80 7.46
3 143.58 33.69 21.03