Articles & Case Studies

DURAPIPE HELPS MAINTAIN WWII SHIP

Posted: Friday 12th October 2018

The challenges of installing pipework within confined spaces, across water and through listed sites, were all a reality faced by The Wellington Trust as it embarked on replacing the sewage line for HQS Wellington.

A serving WWII ship, HQS Wellington has been moored on the Thames since 1948 and is today home to a floating museum, library and a unique conference venue. Responsible for the restoration, preservation and maintenance of the vessel, The Wellington Trust tasked MSJ Maintenance with replacing the aging sewage line.

The existing galvanized steel pipework system had corroded over time and was suffering leaks. Therefore a new pipeline was required, and, after carefully considering all of the requirements, MSJ Maintenance opted for a plastic pipework solution to best meet the installation, performance and maintenance needs of the system.

With the ability to meet all of the complex criteria for this project, SuperFLO ABS pipework from Durapipe UK was selected. The pipework needed to transfer sewage from the sewage tank onboard the ship, across the water to the pontoon, up the gangway, along the embankment wall and into the main sewage system.

Working in such confined spaces, and in areas difficult to access, the lightweight nature of Durapipe SuperFLO ABS, at approximately 1/6th the weight of steel, makes it much easier to handle on site, significantly reducing installation time and costs.

Part of the pipework needed to be installed along the listed site of the embankment wall and, due to the pipework being installed outside, it was imperative to find a system with high impact resistance, and the Butadiene element of Durapipe SuperFLO ABS provides exceptional resistance to accidental damage, even at sub-zero temperatures, making it the ideal solution for this project.

In addition to the installation benefits, MSJ Maintenance was also keen to find a system that offered enhanced performance benefits, with reducing friction a key requirement. Friction in steel pipe systems can accelerate the formation of scale, allowing sewage flowing through the system to stick to any jagged sections of the pipe, potentially causing blockages within the system.

The smooth bore of Durapipe SuperFLO ABS significantly reduces friction, ensuring flow through the pipe is not restricted and eliminating the risk of any blockages, while also offering significant cost savings in pump energy consumption.

Repair and maintenance needs were also a consideration for MSJ Maintenance, which was looking for a solution that would make it easier to undertake repairs, if necessary. The existing galvanized steel pipework was labour and time intensive to repair by welding, compared with the quick and easy solvent weld jointing of Durapipe SuperFLO ABS. The corrosion and limescale resistant properties of Durapipe SuperFLO ABS also contribute to reduced maintenance costs and no costly system replacement.

Commenting on the project, Martin Brownjohn from MSJ Maintenance said: “There were lots of different considerations for this project and so the pipework selection was crucial as we needed a system that could meet a multitude of requirements. Durapipe SuperFLO ABS was ideal for this project both to aid the complex installation requirements and to meet the performance needs of the system once operational.”




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December 2018

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