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• TABLE OF CONTENTS <br />EXECUTIVE SUMMARY ................................................................................................... ......... 3 <br />1.0 INTRODUCTION ..................................................................................................... ......... 4 <br />1.1 Scope of Services ................................................................................................... ......... 4 <br />2.0 SITE DESCRIPTION ................................................................................................ ......... 4 <br />3.0 SUBSURFACE CONDITIONS ................................................................................ ......... 5 <br />3.1 Gob Pile No. 3 ........................................................................................................ ......... 5 <br />3.2 Gob Pile No. 2 ........................................................................................................ ......... 6 <br />4.0 LABORATORY TESTING ........................................................................................ ........ 7 <br />4.1 Index Properties ..................................................................................................... ......... 7 <br />4.2 Triaxial Compression Testing ................................................................................. ........ 9 <br />4.2.1 Unconsolidated-Undrained (UU) Triaxial Testing on Gob ........................... ......... 9 <br />4.2.2 Unconsolidated-Undrained (iJU) Triaxial Testing on Foundation Soils ....... ....... 10 <br />4.2.3 Consolidated-Undrained (CU) Triaxial Testing on Gob ................................ ...... 10 <br />4.2.4 Consolidated-Undrained (CU) Triaxial Testing on Foundation Soils ........... ....... 11 <br />5.0 STABILITY EVALUATIONS ................................................................................... ...... 11 <br />5.1 Cross-Sections and Geometry ................................................................................ ....... 11 <br />5.2 Shear Strength Parameters ...................................................................................... ...... 12 <br />5.2.1 Gob ................................................................................................................. ....... 12 <br />5.2.2 Foundation Soils ............................................................................................ ....... 13 <br />5.3 Stability Evaluation Results .................................................................................... ...... 13 <br />6.0 CONCLUSIONS AND RECOMMENDATIONS .................................................... ....... 15 <br />• <br />7.0 REFERENCES ........................................................................................................... ...... 16 <br />8.0 CLOSING .................................................................................................................. .......17 <br />DRAWINGS <br />DRAWING 1 VICINITY MAP <br />DRAWING 2 GOB PILE NO. 3 SITE PLAN <br />APPENDICES <br />APPENDIX A <br />APPENDIX A.1 <br />APPENDIX A.2 <br />APPENDIX B <br />APPENDIX C <br />APPENDIX C.1 <br />APPENDIX C.2 <br />APPENDIX D <br />APPENDIX D.1 <br />• APPENDIX D.2 <br />APPENDIX E <br />LOGS OF EXPLORATORY DRILLING <br />GOB PILE NO. 3 FOUNDATION LOGS <br />GOB PILE N0.2 LOGS <br />LABORATORY INDEX TEST RESULTS <br />UNCONSOLIDATED UNDRAINED (UU) TRIAXIAL TEST <br />RESULTS <br />UU TRIAXIAL TEST RESULTS FOR GOB <br />UU TRIAXIAL TEST RESULTS FOR FOUNDATION SOILS <br />CONSOLIDATED UNDRAINED (CU) TRIAXIAL TEST <br />RESULTS <br />CU TRIAXIAL TEST RESULTS FOR GOB <br />CU TRIAXIAL TEST RESULTS FOR FOUNDATION SOILS <br />LIMIT EQUILIBRIUM STABILITY ANALYSIS OUTPUT <br />Bowie Gob Pile No. 3 stability report <br />Project p06-081-002 <br />Page 2 of 17 <br />