Installing 190 subsea drilled and grouted pin piles for 62 wind turbine generator locations and one offshore substation around 16km off the coast of northern France is a challenge. However, Bauer Spezialtiefbau is also having to deal with subsoils with strengths in excess of 150MPa while utilising brand-new technology which is fully remote controlled from a command centre on an offshore construction vessel as part of the foundation work for the new Saint-Brieuc offshore wind farm.
Specially designed Bauer Dive Drills are working in water depths of up to 40m and simultaneously drill holes up to 47m deep and 3m in diameter
Underwater drilling work for the wind farm is scheduled to go into operation during the course of this year, has been underway since 2021. "The subsoil has turned out to be unexpectedly hard and extremely...
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