DEME Installs Piles at Moray East

Belgium-based DEME Offshore has installed all 37,000 tonnes of foundation pin piles at the site of the 950-MW Moray East offshore wind project off the north east coast of Scotland.

"Having designed the piles to contend with a complex and varied seabed geology, this stage of the project required DEME Offshore’s specialist installation vessel ‘Apollo’ to carefully drive each of the 309 piles into place within strict positional and vertical tolerances," said a press release.

"This highly precise operation was achieved through the use of innovative pile engineering and the development of a patented piling template, designed to integrate with the jack-up legs of ‘Apollo’," it added.

DEME Offshore developed a special underwater drilling tool to cope with hard and rocky layers and relief drilling to install the piles in these challenging conditions.

DEME Offshore was supported by the services of a number of specialist UK companies, and particularly notes those which conducted heavy fabrication works at Arnish and Methil, and those that provided onshore logistical services via facilities at Invergordon.

DEME Offshore looks forward to the second stage of offshore works when its newbuild, next generation offshore installation vessel ‘Orion’ will integrate 103 jacket foundation structures and three topside modules with the pin piles now in place.

Bart De Poorter, General Manager DEME Offshore, said: “This major project milestone highlights our technical expertise whereby we are delivering innovative solutions for the most challenging projects in the offshore wind industry. We would like to thank our partners and stakeholders in this project for the successful collaboration."

Poorter added: "Our teams will now fully focus on the preparation of the installation of the foundations, which will be the very first project for our giant new offshore installation vessel ‘Orion’.”

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