CONTENTS 



FOREWORD iii 



ABSTRACT v 



INTRODUCTION 1 



BACKGROUND 1 



FORMULATION OF SALVAGE PLANS 4 



LOCATING OF ALVIN 4 



BASIC SALVAGE CONSIDERATIONS 4 



Initial Concepts 5 



Lift Line Attachments 6 



Command and Support Ships 7 



Lift Line Stress Considerations 7 



SALVAGE PLANS 7 



SALVAGE OPERATIONS 17 



MOBILIZATION AND OUTFITTING 17 



LIFT ATTEMPT NO. 1 17 



REPAIRS AND SALVAGE PLAN MODIFICATION 26 



LIFT ATTEMPT NO. 2 27 



SUBMERGED TOW TO SHALLOW WATER 32 



FINAL LIFT FROM WATER 34 



CONCLUSIONS ^ 34 



APPENDIX A. CHARTS 41 



APPENDIX B. VESSEL CHARACTERISTICS 47 



vii 



