Coastal Engineering 



Facility Equipment 



OQshore Construction: New land; floating platform; artificial is- 

 lands; offshore platforms and submerged buoyant structures; min- 

 eral exploration and exploitation; pipelines; tunnels; and habitats. 



Materials and Fabrication Methods: Material needs; fabrication 

 methods. 



Exploration and Development Programs 



Instrumentation and Testing 



Oceanographic Data Acquisition 



Models of Ocean Environment 



Construction Material and Fabrication Methods Development 



VEHICLES AND PLATFORMS 

 Introduction 



Ocean Exploration Needs i 



Management Responsibility 

 Time Scales 



Study Methodology 



Analysis of Tasks for Vehicles and Platforms 



Critical Task Area: Launch; operation; navigation; communica- 

 tion; sensing/processing; work. 



Limitation in Technology 



PRINCIPAL TECHNOLOGY REQUIREMENTS 



Structure / Material: Pressure; hull; fabrication techniques; coatings. 



Mechanical Interfaces: pressure hull bolted joints, exostructure con- 

 nections; deep-depth emergency escape; hatch sealing at extended 

 depth; supplemental buoyancy material. 



Power Sources: Batteries; fuel cells; nuclear; waste-heat dissipation; 

 power-source technology. 



Electrical System: Connectors; conditioning equipment; hull pene- 

 tration; power cables. 



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