The chief engineer planned some repairs of minor water and vapour leaks near the turbo pumps of the feed water circuit while the vessel was at anchor. The pump system consists of an expansion bellows, a suction valve, the pump, and a discharge valve with non-return function. There was no specific procedure for this work. Nonetheless, around 09.00 three engineers and two oilers under the supervision of the chief engineer started closing valves and opening drains. On turbo pump 2, the delivery valve was closed first by an oiler. Then the recirculation valve was closed. At 09.20, one of the engineers was standing on a ladder closing the suction valve when the expansion bellows ruptured. Hot water gushed over an engineer on the deck and to a lesser extent over the engineer on the ladder. One of the oilers also received hot water on his ankles. All crew members were wearing full PPE, including helmets.
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