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<br /> <br /> <br /> <br />TABLE OF CONTENTS <br />1. INTRODUCTION ............................................... <br />I1. BACKGROUND INFORMATION ..................................... <br />2 <br /> Ill. EXISTING SITE CONDITIONS .... <br />. <br />. <br />. <br />. <br />. <br />. 3 <br />' ::::::: <br />:: <br />::: : : <br />: <br />: : :: <br />:::: <br />: : :: <br />3-01. GEOLOGIC CONDITIONS 3 <br /> 3-02. GROUND WATER CONDITIONS ............................. 4 <br /> 3-03, EXISTING SLOPE CONDITIONS .............. <br />.. <br />... <br />.. 5 <br />' :: <br />:: <br />:: <br />::: <br />3-04. EXISTING MINING PLAN AND OPERATIONS 5 <br />' 1V. ENGINEERING EVALUATION AND DESIGN ............ . . ..... . .... . .. <br />4-01. ASSESSMENT OF FAILURE ................................. 6 <br />6 <br /> A. Individual Bench Stability .............................. 6 <br />' B. Overall Pit Slope Stability .............................. <br />4-02. ENGINEERING ANALYSIS OF OVERALL SLOPE STABILITY 6 <br />7 <br /> A. General ......................................... 7 <br /> B. Design Criteria . <br />. 7 <br /> . <br />......... ' ..... ... ......... ' <br />C. Stabilily Analysis and Model 7 <br /> D. Results .......................................... 8 <br />' V. RECOMMENDATIONS .......................................... 9 <br /> 5-01. GENERAL ............................................. 9 <br /> 5-02. PERIMETER CONTROL BLASTING ............................ l l <br />' 5-03. SLOPE MONITORING ..................................... 13 <br /> 5-04. RECLAMATION RECOMMENDATIONS ......................... 14 <br />' APPENDIX A <br />R <br />k M <br />J <br />i <br />S <br />D <br /> : <br />oc <br />ass <br />nt <br />et <br />ata <br />o <br />' APPENDIX B: Slope Stability Calculations <br /> <br />1 <br />1 <br /> <br /> <br />1 arc-~~ <br />