The first jacket foundation has been installed at Seagreen Alpha & Bravo, Scotland’s largest and the world’s deepest, fixed-bottom offshore windfarm
Two jackets were transported by main contractor Seaway 7 on a barge from Global Energy Group’s Port of Nigg to the site, 27 km off the coast of Angus, arriving on 6 October 2021.
The barge was met by Saipem 7000, a semi-submersible crane vessel which was used to lift the 2,000-tonne jackets.
Several barges will work in continuous rotation, with each carrying two jackets from Nigg to the offshore site before returning to Nigg for replenishment.
Seaway 7 is managing the engineering, procurement, construction and installation of Seagreen’s 114 wind turbine generator foundations and approximately 300-km of associated inter-array cables.
Seaway 7 managing director EPCI projects Lloyd Duthie said, “We will continue the jacket installation campaign through 2021 and 2022. Later this year our cable-lay vessels will start the installation of the inner array grid cables.”
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