EDF floats first foundation for Blyth

EDF ER Chief Executive Matthieu Hue said: “This is the first major offshore operation on this project and over the coming months people will be able to see the wind farm being built out at sea. This ground-breaking scheme will benefit the North East of England and help the UK to meet its future low carbon electricity needs.

“This is the first time that this float and submerge method has been used on a wind farm project. The GBFs are held in place by gravity and this unique design reduces the need to use expensive marine equipment for the installation on the sea bed.”

Each GBF is made up of more than 1,800m³ of concrete and weighs over 15,000 tonnes when fully installed on the seabed. The structures have a total height of around 60m from the base to the access platform.

The GBFs have been constructed at the Neptune dry dock over the past 12 months by BAM Nuttall and these structures will be floated down the river to the Port of Tyne, where extra ballast will be added ahead of their ‘tow-out’ to the offshore wind farm site.

Once the GBFs are put into position over the summer, specialist contractor VBMS will start laying the inter array cables that will connect the individual wind turbines.

Installation of five turbines will then commence once the cable is securely buried on the sea bed. The turbines will have a power rating of 8.3MW and it is anticipated that the turbines will start generating power by the end of the year.

Divisional Director at BAM Nuttall Scotland and the North of England, Gareth Farrier said, “Bam Nuttall and the wider BAM group are delighted to be supporting EDF Energy Renewables on this demonstrator project, through both the opportunity to deliver innovation and engineering excellence in overcoming the many design and construction challenges, and by continuing our long tradition of civil engineering that has many positive impacts upon the lives of the people in the North-East.”

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