REP03152

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 2/22/1996
• Doc Name: AUGER MINING ANALYSIS WEST PIT AND STREETER PIT AND STABILITY EVALUATION NORTH WALL OF WEST PIT COLO
• Permit Index Doc Type: STABILITY REPORT
• Media Type: D
• Archive: No

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TABLE OF CONTENTS
SCOPE .......................................................
PREVIOUS INVESTIGATIONS AND REFERENCES .......................
PROJECT DESCRIPTION ..........................................
GEOLOGIC CONDITIONS .........................................
AUGER MINING .................................................
Analysis Methods ..........................................
Auger Spacings ...........................................
Safety Regulations .....................:.................. .
Hydrologic Impact .........................................
Spontaneous Combustion ...................................
Subsidence ...............................................
STABILITY ANALYSES ...........................................
Water and Pseudostatic Conditions .......................... .
Wedge Analysis ..........................................
Circular Analysis .........................................
Rockfall/Bench Width ......................................
Summary of Stability Analysis ............................... .
LIMITATIONS ..................................................
LIST OF REFERENCES .............'.............................
FIG. 1 -GENERAL LOCATION PLAN
FIG. 2 -NORTH WALL WEST PIT TYPICAL SECTION
FIG. 3 - X-SEAM FLOOR ELEVATION CONTOURS
APPENDIX A -AUGER ANALYSIS
APPENDIX B -STABILITY ANALYSIS
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