2010-10-22_REVISION - M2008017 ‎(4)‎

• Permit No: M2008017
• IBM Index Class Name: REVISION
• Doc Date: 10/22/2010
• Doc Name: TR-01 Adequacy Review Comment Responses
• From: J&T Consulting, Inc.
• To: DRMS
• Type & Sequence: TR1
• Email Name: MAC
• Media Type: D
• Archive: No

Table 2 - Static Condition Slope Stability Analysis Results - Wet Mining
Description Calculated
Factor
Of Safety Required
Minimum Factor
Of Safety
Case law -South Property Line 1.47 1.25
Case 2aw - Existing Balsam Avenue ROW 1.45 1.25
Case 3aw - North Property Line 1.47 1.25
Case 4aw - Existing Gas Well 1.45 1.25
Table 3 - Pseudo-Static Condition Slope Stability Analysis Results - Wet Mining
Description Calculated
Factor
Of Safety Required
Minimum Factor
Of Safety
Case 1 awe - South Property Line 1.21 1.0
Case 2awe - Existing Balsam Avenue ROW 1.18 1.0
Case 3awe - North Property Line 1.21 1.0
Case 4awe - Existing Gas Well 1.18 1.0
Table 4 - Static Condition Slope Stability Analysis Results - Dewatered
Description Calculated
Factor
Of Safety Required
Minimum Factor
Of Safety
Case 1a - South Property Line 1.57 1.25
Case 2a - Existing Balsam Avenue ROW 1.51 1.25
Case 3a - North Property Line 1.57 1.25
Case 4a - Existing Gas Well 1.62 1.25
Table 5 - Pseudo-Static Condition Slope Stability Analysis Results - Dewatered
Description Calculated
Factor
Of Safety Required
Minimum Factor
Of Safety
Case 1 ae - South Property Line 1.37 1.0
Case 2ae - Existing Balsam Avenue ROW 1.33 1.0
Case 3ae - North Property Line 1.37 1.0
Case 4ae - Existing Gas Well 1.42 1.0
Broken Arrow Investments, LLC - Derr Pit - M-2008-17
J&T Consulting, Inc. Technical Revision No. 1- Slope Stability Analye s