CTC Marine wins Wave Hub offshore installation contract

Source: Wave Hub

The South West RDA (Regional Development Agency) has announced the appointment of CTC Marine Projects as offshore contractor for the pioneering Wave Hub marine energy project.

CTC Marine, which is part of the global Trico Marine Group headquartered in Texas, will handle the load out and installation of Wave Hub’s 25km armoured subsea cable, and the deployment of the hub itself on the seabed in 50m of water.

The £7 million contract was awarded following a competitive tender and was announced at today’s (May 19) All Energy exhibition and conference in Aberdeen.

Wave Hub is creating the world’s largest test site for wave energy technology by building a grid-connected socket on the seabed, 16 kilometres off the coast of Cornwall, to which wave power devices can be connected and their performance evaluated.

The £42 million project has been developed by the South West RDA (Regional Development Agency) and is a cornerstone of its strategy to develop a world class marine energy industry in South West England.

Jim Price, Wave Hub’s head of procurement at the South West RDA, said: “The award of this contract is a significant milestone for Wave Hub and it means we’re all systems go for deployment this summer. The CTC team has already carried out some onshore surveys at Hayle and will be fully mobilised next month.”

Daryl Lynch, managing director of CTC Marine, said: “We are delighted to be involved in this prestigious project and look forward to bringing CTC’s offshore management and subsea engineering experience to Wave Hub.”

CTC Marine, based in Darlington, County Durham, will be responsible for laying the 1,300 tonne cable, and deploying the 12 tonne Wave Hub some 16 kilometres offshore.

The operation will include burying the cable on the beach at Hayle where it comes ashore and for the first six kilometres offshore using a 45-tonne underwater trenching machine that crawls along the seabed, burying the cable as it goes using a high-pressure jet of water.

Further out to sea, where the seabed is more rocky, the cable will be held in place by a combination of rocks and 176 concrete ‘mattresses’ measuring six metres by three metres and weighing up to four and half tonnes each.

Wave Hub is being funded with £12.5 million from the South West RDA, £20 million from the European Regional Development Fund Convergence Programme and £9.5 million from the UK government.

An independent economic impact assessment has calculated that Wave Hub could create 1,800 jobs and inject £560 million in the UK economy over 25 years. Almost 1,000 of these jobs and £332 million could be generated in South West England.

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