water ballast tank


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water ballast tank

[′wȯd·ər ¦bal·əst ‚taŋk]
(naval architecture)
A tank in which sea water for ballast is confined.
References in periodicals archive ?
AE-monitoring indicated in an empty area of the water ballast tank active AEsources with amplitudes up to 65 [dB.sub.AE] approximately 1.5 m to 2.5 m below the sensor setup.
In addition, the Top version has a memory for up to 50,000 readings in up to 999 batches so large volumes of reading data can be recorded, analysed and archived as inspection records for the preparation of the Coating Technical File required by the IMO PSPC Salt Water Ballast Tank coating regulations that have recently come into force.
The 235-metre Arendal, chartered by BP and bound for America, has two 2ft cracks on the deck near the water ballast tank.
A variable water ballast tank system will permit the vessel to maintain neutral buoyancy regardless of passenger load.
* Versatile cargo resistance--wide ranging tank protection including cargo oil tanks, water ballast tanks and mud/ brine tanks;
Hempel Quattro Photo IMO requires the use of a PSPC certified coating for water ballast tanks and this launch of a new range of pure epoxy coatings represents the latest state-of-the-art in pure epoxy technology which delivers optimized performance based on customer requirements.
"I have been changing course on the autopilot as the wind alters, and filling and emptying the water ballast tanks as the trim requires it.