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TABLE OF CONTENTS <br />EXECUTIVESUMMARY ............................................................................. ............................... 3 <br />1.0 INTRODUCTION ............................................................................... ............................... 4 <br />1.1 Scope of Services ............................................................................. ............................... 4 <br />2.0 SITE DESCRIPTION .......................................................................... ............................... 4 <br />3.0 <br />SITE INVESTIGATION ..................................................................... ............................... 5 <br />3.1 <br />Drilling Program .............................................................................. ............................... <br />5 <br />3.2 <br />Vibrating Wire Piezometers ............................................................. ............................... <br />6 <br />3.3 <br />Inclinometers .................................................................................... ............................... <br />7 <br />4.0 <br />LABORATORY TESTING ................................................................. ............................... <br />8 <br />4.1 <br />Index Properties ............................................................................... ............................... <br />8 <br />4.2 <br />Triaxial Compression Testing .......................................................... ............................... <br />9 <br />4.2.1 <br />Unconsolidated - Undrained (UU) Triaxial Testing .................. ............................... 9 <br />4.2.2 <br />Consolidated - Undrained (CU) Triaxial Testing ...................... ............................... 9 <br />5.0 <br />INSTRUMENTATION MONITORING ........................................... ............................... <br />11 <br />5.1 <br />Vibrating Wire Piezometers ........................................................... ............................... <br />11 <br />5.2 <br />Inclinometers .................................................................................. ............................... <br />13 <br />6.0 <br />STABILITY EVALUATIONS .......................................................... ............................... <br />13 <br />6.1 <br />Short -Term Analyses ..................................................................... ............................... <br />14 <br />6.2 <br />Long -Term Analyses ..................................................................... ............................... <br />16 <br />7.0 CONCLUSIONS AND RECOMMENDATIONS ............................ ............................... 17 <br />8.0 REFERENCES .................................................................................. ............................... 17 <br />9.0 CLOSING .......................................................................................... ............................... 18 <br />Bowie No 2 Gob Pile Stability Dec2005 <br />Project #05- 126 -GEO <br />Page 2 of 18 <br />APPENDICES <br />APPENDIX A <br />VICINITY MAP AND SITE PLAN <br />APPENDIX B <br />LOGS OF EXPLORATORY DRILLING <br />APPENDIX C <br />PIEZOMETER CALIBRATION RECORDS <br />APPENDIX D <br />LABORATORY INDEX TEST RESULTS <br />APPENDIX E <br />TRIAXIAL SHEAR TEST RESULTS <br />APPENDIX F <br />INCLINOMETER DISPLACEMENT PLOTS <br />APPENDIX G <br />LIMIT EQUILIBRIUM STABILITY ANALYSIS OUTPUT <br />Bowie No 2 Gob Pile Stability Dec2005 <br />Project #05- 126 -GEO <br />Page 2 of 18 <br />