You are assigned as the attendant at the entrance to 3 starboard double bottom ballast tank, inside which the Chief Officer and Cadet are carrying out an inspection. What do you understand you are permitted to do?

2021年5月5日 · It is best practice not to enter a dangerous space, however, onboard crew members have to enter enclosed spaces for a number of reasons including routine inspection of tanks (ballast tanks, DB tanks), checking if a tank is dry before loading, cleaning of tanks or holds, maintenance including painting, repairing, etc.

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 hogging or sagging ...

The job of entering, inspecting and cleaning ship's cargo, ballast, and fuel tanks, void spaces and cofferdams is essentially one of confined space entry. The five basic requirements for safe confined space entry are: The space has adequate oxygen. The space of free of toxic vapours or substances. The tank entry personnel are properly trained.

船舶的压载水舱（ballast tank）是放置压载水的船舱，用于调整船舶的重心位置、浮态和稳性。 可解决船舶在航行过程中因油水消耗、重心升高而导致的稳性不足或吃水不适当的问题。

2020年1月12日 · After discharge of volatile cargoes sufficient vapours may still remain in tanks to cause oxygen deficiency. Hydrogen may occur in cargo oil tank used for ballast but will tend to disperse quickly when tank covers are opened.

2024年10月23日 · Chapter: 8.3 Cargo & Ballast operations - Oil 1. Tanker Are Ratings familiar with company procedures for dipping, ullaging & sampling flammable static accumulator cargoes in non-inerted tanks...

Before entry into cargo tanks, pump rooms, fuel tanks, cofferdams, duct keels, ballast tanks, cargo holds, and similar enclosed or confined spaces, an assessment must be made by the attendant in conjunction with the master or responsible officer.

2012年3月9日 · An MAIB Investigation Report highlights an accident of this type which took place during a routine inspection of a ballast tank. Particular care must be taken by personnel in such circumstances, and sufficient lighting should be provided …

2012年3月8日 · An MAIB Investigation Report highlights an accident of this type which took place during a routine inspection of a ballast tank. Particular care must be taken by personnel in such circumstances, and sufficient lighting should be provided …