What is Double Bottom Tank?
Double Bottom Tank A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.
Source: IMO SMCP, STCW Convention, SOLAS, COLREG
How is “Double Bottom Tank” Used in Practice?
Sound all double bottom tanks and record levels in the ballast log before departure; report any discrepancies to the chief officer.
Certification Exam Relevance
Who Needs to Know This Term?
- Deck Officers
- Engine Officers
- Masters
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What is Double Bottom Tank?
A compartment at the bottom of the ship, between the inner and outer hull, used for ballast water, fuel, or as a safety measure against grounding.
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