CONTENTS 



Page 



INTRODUCTION 1 



BACKGROUND 1 



CABLE BURIAL SYSTEM REQUIREMENTS 5 



General Operational Requirements 5 



Specific Operational Requirements 7 



STATE-OF-THE-ART 8 



Trenching/Excavating 8 



Plowing 8 



Water Jetting 10 



Jet Plowing 11 



Dredging 12 



Fluidizing 12 



Related Techniques 12 



CONCEPT DEVELOPMENT 13 



SUBSYSTEM ANALYSIS 16 



Excavation Subsystems 16 



Propulsion Subsystems 22 



Running Gear Subsystems 28 



CONCEPT SELECTION 32 



Excavation Subsystem (Table 7) 42 



Propulsion Subsystem (Table 8) 43 



Running Gear Subsystem (Table 9) 43 



Overall System Evaluation (Tables 10 and 11) 43 



SUMMARY 44 



CONCLUSIONS 45 



RECOMMENDATIONS 46 



