The Wolfson Centre for Bulk Solids Handling Technology Port of Vancouver USABühler GmbHCimbriaViganTelestack
  • TBA Group
  • Cleveland Cascades Ltd
  • Cimbria
  • Port of South Louisiana
  • The Wolfson Centre for Bulk Solids Handling Technology
  • Bühler GmbH

Underwater scrubber sea chest installation

(Posted on 27/03/19)

The wide range of Hydrex 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.
 
Hydrex can help 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. The company is 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. The Hydrex 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 the double bottom tank had to be declared gas free. Once this was done Hydrex divers installed a cofferdam on the outside of the hull. The tailor-made cofferdam was designed and constructed by The company’s R&D department. The exact measurements of the area where the sea chest was to be installed were taken in advance. This was done to be sure the cofferdam would perfectly fit the rounded shape of the hull.
 
The team cropped an opening in the shell plating where the sea chest needed to be installed. Hydrex 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. This concluded the interior part of the operation.
 
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.

Latest News

DESMI gains market share despite pandemic

(Posted on 11/04/21)

2020 has been a special year for DESMI. Founded in 1834, the company is one of Denmark’s oldest... Read more


Iskenderun bulkers provide reference for Nippon Paint

(Posted on 06/04/21)

Turkey’s Iskenderun Ship Management has provided a first reference for Nippon Paint Marine&rsquo... Read more


Hydrex underwater repairs in winter conditions

(Posted on 06/04/21)

In just over a week Hydrex diver/technicians travelled to Finland, Germany, the Netherlands and France... Read more


ABB Azipod electric propulsion marks 30 years

(Posted on 06/04/21)

From its creation three decades ago to its market leading position in global shipping today, Azipod... Read more


MHC to increase Italian terminal productivity

(Posted on 01/04/21)

The port terminal operator SERMI in Pozzallo (Sicily), has ordered an eco-efficient Konecranes Gottwald... Read more


Inmarsat signs Greece/Cyprus agreement

(Posted on 01/04/21)

Inmarsat, the world leader in global, mobile satellite communications, has signed an agreement with... Read more


US cement handler orders Siwertell unloader

(Posted on 28/03/21)

Bruks Siwertell has recently secured a new Siwertell road-mobile ship unloader order for cement handing... Read more


Veteran to lead Superior’s sales

(Posted on 28/03/21)

Superior Industries, Inc., a U.S.-based manufacturer and global supplier of bulk material processing... Read more


Survitec unveils new crew face covering

(Posted on 22/03/21)

Global safety solutions leader Survitec has unveiled a new face covering with protective features designed... Read more


NIBC and Damen extend lease partnership

(Posted on 22/03/21)

NIBC Bank, Damen Ship Lease and Damen Financial Services have digitally shaken hands for a multi-year... Read more


TOC EventsPort of South LouisianaTBA GroupPort of StocktonCoaltrans Global 2021Cleveland Cascades Ltd
  • Sailors Society
  • Coaltrans Global 2021

Subscribe to our newsletter

Keep up to date with the latest global news in bulk cargo handling and shipping