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Marine construction is the process of building structures in or adjacent to large bodies of water, usually the sea. These structures can be built for a variety of purposes, including transportation, energy production, and recreation. Marine construction can involve the use of a variety of building materials, predominantly steel and concrete ...
USS Regulus hard aground in 1971 due to a typhoon: after three weeks of effort, Naval salvors deemed it unsalvageable.. Marine salvage takes many forms, and may involve anything from refloating a ship that has gone aground or sunk as well as necessary work to prevent loss of the vessel, such as pumping water out of a ship—thereby keeping the ship afloat—extinguishing fires on board, to ...
Dolos construction yard - Yzerfontein, South Africa A man stands next to a dolos, showing its relative size. Dolosse moulds are in the foreground - Durban , South Africa Dolosse are normally made from un-reinforced concrete, poured into a steel mould.
Construction workers who leave the pressurized environment of the caisson must decompress at a rate that allows symptom-free release of inert gases dissolved in the body tissues if they are to avoid decompression sickness, a condition first identified in caisson workers, and originally named "caisson disease" in recognition of the occupational ...
Cross section of a vessel with a single ballast tank at the bottom. A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability for a vessel, to reduce or control buoyancy, as in a submarine, to correct trim or list, to provide a more even load distribution along the hull to reduce structural ...
A salvage situation arises when a shipowner accepts an offer of help from a salvor. To that extent, the arrangement is contractual, but it is not a contract for services with a pre-arranged fee (such as, say, a towage contract). Instead, the law provides that after the service is done a court or arbitrator will make an award taking into account:
German ETV Baltic. An emergency tow vessel, also called emergency towing vessel, (ETV) is a multi purpose boat used by state authorities to tow disabled vessels on high seas in order to prevent dangers to man and environment.
Underwater demolition, for removal of damaged structure in repair work, or to prepare an area for new construction. Underwater surveying : site surveys and geological surveys Underwater inspection of underwater structures, installations, and sites is a common diving activity, applicable to planning, installation, and maintenance phases, but the ...