2012-08-31_PERMIT FILE - C1981012 ‎(2)‎

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 8/31/2012
• Doc Name: Development Waste Disposal Area ‎(DWDA)‎ #2 Slope Stability Evaluations
• Section_Exhibit Name: Exhibit 37‎(1)‎ Development Waste Disposal Area ‎(DWDA)‎
• Media Type: D
• Archive: No

Mr. Daniel Hernandez
May 25, 2012
Page 5
7.4
r s�
7b0
_ 7.49
O
O
O
7.49
X
7.47
O
9 748
N
W 7.45
744
742
42
N
Desaiption New Elk Coal Company
DWDA #2
Description: Name: Development Waste Unit Weight 110 pd Cohesion: 460 psf Phi: 30'
Name: Base Fill Unit Weight: 90 pd Cohesion: 760 psf Phi: 38 °
2.1
21 W 80 100 _. 1140
Distance
_I I I I
160 ISO zoo 220
File Name: DWDA 50_2- 1_psat0.gsz
Figure 4. DWDA #2, 2.0(H):1.0(V) Side Slopes, Groundwater 10 ft above Ground Surface
Description: New Elk Coal Company
OWDA#2
7.5"
Name: Development Waste Unit Weight: 110 pd Cohesion. 460 psi Phi: 30
Name. Base Fill Unit Weight 90 pd Cohesion. 760 psf Phi. 38'
5!
7.M
7.49
O
O
7 4$
X
C 7.47
O
N 7b
9
_N
W 745
744
7.43
7.42
20
I I I _
I I I I I I
0 20 40 5; _ ,a ... W '90 200 220
Distance File Name: DWDA_50 2- 1 _ps +20 gsz
Figure 5. DWDA #2, 2.0(H):1.0(V) Side Slopes, Groundwater 20 ft above Ground Surface
Agapito Associates, Inc.
TR 66 Page E 37 -6
Revised 5/25/2012