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I <br />TABLE OF CONTENTS <br />PAGE <br />LIST OF TABLES <br />LIST OF FIGURES <br />1.0 INTRODUCTION <br />1-1 <br />2.0 MONITORING WELLS <br />2-1 <br />3.0 SLURRY WALL CUTOFF AND PUMP -BACK SYSTEM <br />3-1 <br />3.1 GENERAL <br />3-1 <br />3.2 SLURRY WALL AND EMBANKMENT <br />3-2 <br />3-4 <br />3.3 SUMP AND DRAINAGE TRENCH <br />3.4 PUMP -BACK SYSTEM <br />3-5 <br />3.5 PERFORMANCE OF THE SYSTEM <br />3-7 <br />4.0 DAM GROUTING <br />4-1 <br />4.1 GENERAL <br />4-1 <br />4.2 GROUT TAKES <br />4-2 <br />4.3 EFFECTIVENESS OF GROUTING <br />4-5 <br />5.0 CONCLUSIONS AND RECOMMENDATIONS <br />5-1 <br />TABLES <br />FIGURES <br />APPENDIX A - BORING LOGS <br />APPENDIX B - PIEZOMETER INSTALLATION SKETCHES <br />I <br />