Major marine fabrication returns to Southampton

One of the pontoons being lifted into the water One of the pontoons being lifted into the water
Industry Database

Southampton Marine Services is midway through a significant contract for Woods’ Silver Fleet to build three huge pontoons for the river Thames.

The works amount to circa 750 tonnes of fully fabricated steel pontoons and over 5,000 man hours of specialised, local, labour in Southampton, Hampshire, UK.

Chris Norman, the managing director of Southampton Marine Services said: “This project is of significance not only to SMS but also the local ship building community.”

The project has a timeline of approximately 18 months. The work includes three new-build pontoons measuring 55m by 10m, 64m by 6.5m and 77m by 6.5m with the respective steel weights of circa 200T, 250T and 300T.

The final pontoon will be delivered later this summer.  The methodology behind the build is specific to SMS’s localised footprint at Ocean Quay in Southampton – modules are prefabricated in the dedicated new-build shop, transported to the quayside and ‘pulled’ together for final assembly pre-launch on a specially engineered jig.

Finally, the shot blasting and painting is completed in an enclosure specifically designed and engineered for the build. The first barge has been lifted into the water.

Bob Gray, project manager for the build, said: “The fabrication process for the build has been fairly straight forward.  This week’s launch posed a few challenges namely the tandem contract lift utilising two Baldwins 1000T cranes.

He added: “It’s not often you get an opportunity to formally thank your suppliers but I think in this case, given the scale and significance of the project, it’s important to go on the record with special thanks to Houlder, Snijtech, Marmus, ML Fabrication and Jotun that are providing the 20 year paint scheme.”

The pontoons feature offices, mess facilities, crew engineering facilities, stores and event storage facilities plus a black water discharge system for the operators’ tonnage and newly improved passenger access.  Woods’ Silver Fleet is a family-based business which operates a fleet of luxury yachts and river cruisers on the Thames in London. The new pontoons will be used to support its operations.

By Jake Frith

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