ballast tank


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ballast tank

[′bal·əst ‚taŋk]
(naval architecture)
One of several tanks in the hold of a ship which may be pumped full of water as ballast.
One of the tanks in a submarine that are filled with water or air to submerge or surface.
References in periodicals archive ?
Work will include clean and gas free tanks, voids, cofferdams and spaces, deck non-skid renewal, ballast tank preservation, cylinder head and liner overhaul, main engine overhaul, heating, ventilating, and air conditioning support, degaussing system repairs, annual lifeboat certification, galley ventilation system cleaning, docking and undocking, propeller system maintenance and boss cap replacement, bow thruster maintenance, overhauling sea valves, and underwater hull cleaning and painting.
These include the continued expansion of the oil and gas market, more extensive use of coatings to ensure long-term protection of marine assets and the implementation of IMO ballast tank coating rules.
Over the last two years, in collaboration with the National Association of Corrosion Engineers (NACE), the IPPIC MCTC developed a test method, including pass/fail criteria, for determining the compatibility between ballast water management systems (BWMS) active ingredients and ballast tank coatings.
7, damage to a ballast tank on Floatel Superior working in the Norwegian Sea was discovered.
Left, KTP associate Darren Broderick conducting a coating survey of a ship's seawater ballast tank.
The application speed that the IMC-patented equipment produces allows the use of metalizing as a realistic alternative for ballast tank coating.
Above the castle car compartment, and aft ballast tank intended impact of their water supply or technical.
First, it was ascertained that the cargo tank and ballast tank were free of chemicals and fumes, and that the atmosphere was safe for both welders and hot work.
The Convention requires that the IMO Performance Standards be applied in a stepwise manner to ships undertaking international voyages in line with the year of building and the ballast tank capacity, with all ships required to adopt the standard by 2017.
The wheel is being supported by 40,000 litres in a giant ballast tank, which was delivered in two huge tankers.
I'm just going slowly and repairing the forward longitudinal, which is part of the forward ballast tank," he explained of the damage.