CIC Changxing Shipyard Completes Repair Works for MV Columbia Maersk (China)

On February 15th 2012, CIC Changxing Shipyard successfully completed the repair job of MV Columbia Maersk. The vessel belongs to the Danish company AP Moller-Maersk A/S. With the overall dimension of 346.98 x 42.80m, the vessel arrived at the shipyard on Feb. 11th. The main job was the renewal of hydraulic signal mast hinge.

The machinery workshop actively formed the working team. Since the original hydraulic system was broken, the signal mast could not rise and fall properly, so the hydraulic cylinder needed to be renewed, and due to the connection had been welded, it should be renewed too. The shore crane hanged the signal mast throughout the cutting process for the safety. After the cutting, the newly bought connection trunk had to be welded to the original foundation. Through discussion, the managing personnel decided to weld the bottom part first, then the top part. During the process, it was found that the foundation was not a standard circle, which resulted in a poor fit. After the discussion with the ship owner and the surveyor, the shipyard decided to weld some backing flat bars inside, and the problem was resolved. The top part was the circular type, so there was no poor fit happened. The managing personnel, together with the crane men, were on site all the time until the job was finished. Finally, the cylinder was refitted and recovery works about relative parts were operated after that.

Following the operation philosophy “Honesty & integrity, Shipowners supreme”, the shipyard paid attention to the schedule, safety, quality and service.

Shipbuilding Tribune Staff, February 23, 2012; Image: csgcic

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Posted on February 23, 2012

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