BAUER Spezialtiefbau to support Saint-Brieuc foundation works

In: Windfarms
03/07/2020
Van Oord awarded German specialist foundation company BAUER Spezialtiefbau GmbH a contract to support foundation installation at the Saint-Brieuc offshore wind farm.

The foundation installation scope includes the installation of 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
Aeolus. It will be assisted by a second vessel in 2022 to install jackets foundations.
 
BAUER Spezialtiefbau GmbH will 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 m penetration depth in a rock structure up to 160 MPa and in a water depth of up to 37 m. The company will also execute grouting operations to fix the 190 bored piles at the drilling location from
Aeolus.
 
Saint-Brieuc is being constructed 16.3 kilometres off Brittany. Once finished, the wind farm, with a total capacity of 496 MW, will produce 1,820 GWh annually, expected to meet the annual electricity consumption of 835,000 inhabitants. The installation works will last several months and will continue until 2022. The wind farm will be fully commissioned in 2023. To achieve this, Iberdrola will invest €2.4 billion in its construction.

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