Underwater Structures and Installations 



Platforms 



Petroleum production installations 



Habitats, observatories, laboratories 



Power generating and processing plants 

 Man-in-the-Sea Operations 



Free and hard hat diving 



Saturation diving systems 



Working and living underwater 

 Underwater Construction Methods and Equipment 



Dredging. Trenching 



Piles. Caissons 



Underwater fabrication, maintenance, inspection 



Pipelines 



Subaqueous tunnels 



Mission-Oriented Technological Areas 



Fisheries Technology 



Support of marine biology research 



Location, tracking, identification 



Concentration, control, harvesting 



Modification of environment , 



Support of mariculture 

 Petroleum Drilling and Production 



Drilling platforms. Mobile rigs 



Blow-out preventers. Marine conductors. Casing strings 



Production platforms. Subsea completion systems 



Underwater storage tanks. Gathering lines 

 Ocean Mining 



Exploration and evaluation 



Extraction, processing, transportation 

 Shoreline Modification and Island Building 



Shoreline structures and construction methods 



Beach erosion, transport, deposition, silting control 



Land fills. Island building 

 Underwater Technology Supporting Pollution Control and Waste Disposal 



Standards and tolerance limits 



Monitoring and sampling systems 



Dispersion of wastes (industrial, mining, radioactive) 



Removal of discharged oil 

 Search and Salvage Methods and Equipment 



Search and identification 



Attachment, lifting, flotation 



Recovery of cargo and equipment 



Removal of debris 



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