Maritime Questions › Safety & Emergency

You are asked to supervise a crew member entering an empty fuel tank for inspection. The space was last opened and ventilated two hours ago and the atmosphere was tested as safe before that ventilation stopped. What should you do?

A. Allow entry on the basis of the earlier test, since two hours is a short gap
B. Postpone the inspection until the vessel reaches port, where shore staff can do it
C. Re-test the atmosphere immediately before entry (oxygen, flammable gas, toxic gas), continue ventilation, maintain continuous monitoring, and have a means of rescue and a person standing by at the entrance
D. Send the crew member in with a torch only, since fuel tanks rarely contain harmful gases once emptied
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You're asked to test a deck crane grab after electrical repairs nearby. As the grab is hoisted, what should have happened first?
A. Nothing — a test lift can proceed immediately after repairs
B. The area within the grab's swing radius should be cleared of personnel before the lift
C. Testing should wait until cargo operations begin
D. Only the crane operator needs to be aware the lift is happening
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A toolbox talk held before a lifting operation should explicitly cover which of the following?
A. Only the weather forecast for the next watch
B. The lunch schedule for the deck team
C. Who must remain clear of the exclusion zone while the lift takes place
D. The cargo manifest for the next port
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