Van Oord hires BAUER Spezialtiefbau for Saint-Brieuc piling works


Van Oord has selected BAUER Spezialtiefbau to provide piling works for Saint-Brieuc offshore wind farm, one of the first offshore wind farms in France to obtain all the necessary government permits for its construction and operation.

Saint-Brieuc will be built on an area of 75 km2 and comprise 62 turbines with a capacity of 8 MW each. In total, the wind farm will have a capacity of 496 MW.

Located approximately 16 km off the French coast, the wind farm will produce 1,820 GWh per year – the equivalent of the annual electricity consumption of 835,000 people including heating.

BAUER Spezialtiefbau will install 190 bored piles at 62 locations for 3-legged jackets, as well as one substation location consisting of a 4-legged jacket foundation. Van Oord will start the offshore operations in 2021 with the installation of the bored piles using its offshore installation vessel (OIV) Aeolus. The Aeolus will be assisted by a second vessel in 2022 to install jackets foundations.

The commercialization will start in 2023.

BAUER Spezialtiefbau GmbH is going the provide and operate the drilling and grouting operations for the subsea operation, including the use of three newly designed BAUER Dive Drills DD 40 U, which will work simultaneously up to 47 meters penetration depth in a rock structure up to 160 MPa and in a water depth of up to 37 meters. Finally, onboard of OIV Aeolus Bauer will execute grouting operations to fix the 190 bored piles at the drilling location.

Anela Dokso

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