OceanHub > Feed > Underwater scrubber sea chest installation
Hydrex Belgium
9 days ago

Underwater scrubber sea chest installation

Our wide range of maintenance and repair services includes the on-site installation of additional sea chests required for the intakes and outlets of scrubbers or other purposes. These afloat installations are performed by installing a cofferdam on the hull.

We can help you when going to drydock is not an option, if the scrubber equipment is not available yet during docking or if the scrubber system needs to be installed before the next scheduled docking. We are able to carry out the installation of sea chests while your vessel stays afloat and in some cases during cargo operations, depending on the ship’s schedule.

A good example of this service is the installation of sea chests on two sister vessels. Our team installed overboard discharge boxes in the hull plating of these tankers during their stop in Rijeka, Croatia. The same procedure was followed on both occasions.

First our men installed a tailor-made cofferdam on the outside of the hull. Next they cropped an opening in the shell plating where the sea chest needed to be installed. Our certified welders then installed the sides of the box. Next the discharge pipe and valve were connected to the side of the box and the top of the chest was fitted. The cofferdam was then removed and an inlet/outlet grid was installed in the hull. This can also be done from the inside, before closing the sea chest if required.

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