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UNDERWATER BOW THRUSTER REPLACEMENT KEEPS BOXSHIP ON SCHEDULE

Sunday, December 2, 2018 

Recently a team from Hydrex removed a bow thruster from a 300m container ship during a stop in Italy. The unit needed to be overhauled and the operation had to be carried out within a very short window that would fit the tight schedule available to the vesselís charterer.

The diver/technicians started the operation with a detailed inspection of the bow thruster unit and tunnel. They then detached the blades one by one. In the meantime, initial preparations were made in the bow thruster engine room for the removal of the unit so that there would be no ingress of water once it was taken out.
The next step was to secure the gearbox with hoisting equipment. The unit was then disconnected from the bow thruster engine room. Once it was lifted onto the quay, it was prepared for transport to the workshop.
By performing the operation on-site and underwater the team of divers made it possible for the owner to keep the vessel out of drydock, and worked in shifts around the clock, finishing the job well within the available time frame. This allowed the ship to sail exactly on schedule, which was a key benefit for the charterer.

The diver/technicians started the operation with a detailed inspection of the bow thruster unit and tunnel. They then detached the blades one by one. In the meantime, initial preparations were made in the bow thruster engine room for the removal of the unit so that there would be no ingress of water once it was taken out.

The next step was to secure the gearbox with hoisting equipment. The unit was then disconnected from the bow thruster engine room. Once it was lifted onto the quay, it was prepared for transport to the workshop.

By performing the operation on-site and underwater the team of divers made it possible for the owner to keep the vessel out of drydock, and worked in shifts around the clock, finishing the job well within the available time frame. This allowed the ship to sail exactly on schedule, which was a key benefit for the charterer.

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