Ecosse Gets Additional Work on Wikinger OWF

Ecosse Subsea Systems (ESS) has extended a trenching scope on the Wikinger offshore wind farm in the Baltic Sea with the award of a seabed clearance project.

The Scottish company was last year awarded a contract by Prysmian Group to carry out pre-cut seabed trenching, prior to cable laying, on Iberdrola’s 70-turbine wind farm offshore Germany.

The initial contract has now doubled in scope with the award of route clearance and seabed preparation work on the 350MW Wikinger development which will generate enough energy to power more than 350,000 homes, the company said.

Keith McDermott, ESS commercial director, said: “Detailed surveys discovered a number of obstacles on the proposed route and we have been contracted by Prysmian Group to carry out seabed clearance and route preparation prior to commencing the trenching work.

“This is an area in which we have a great deal of experience and strong track record of working in different terrains and our SCAR Route Clearance system has been used in similar projects in the Baltic Sea.”

Once the seabed is prepared ESS’s SCAR system will perform first pass and multi-pass trenching in preparation for Prysmian’s installation and burial of 81 km of submarine cables which will connect the turbines to the offshore substation.

McDermott added: “Our previous experience of seabed clearance and trenching on the Baltic 2 wind farm has proven the versatility of the SCAR system and in particular its suitability for the soils in this region. We offer a robust, cost effective option for major cable-laying workscopes, helping reduce the levelised cost of energy production.”

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