The vessel was on a laden voyage to the Far East. During the last month the crew had been inspecting the vessel’s topside ballast tanks, noting condition of steel and paintwork. The crew was now about to inspect the last ballast tank, the no. 1 port.
The air pipes of the tank had been closed off for some time. To air the tank the crew had opened both manholes on deck, one forward and one in the aft end of the tank. An electric fan normally used to air the tanks was faulty and could not be...
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