World’s first grouted pile design in rock

New St. Brieuc

Saint Brieuc Kent
World’s first grouted pile design in rock
Duration: 2018 - ongoing

The Saint Brieuc wind farm is being developed by Ailes Marines (AMS), which consists of two stakeholders: Iberdrola and Caisse des Dépȏts. Ailes Marines have appointed Kent to deliver the detailed design of the foundation structures for the wind farm wind turbine generators (WTGs). The site varies between 29m and 42m water depth and has challenging ground conditions of particularly stiff rock. Siemens Gamesa 8MW wind turbines are used to achieve a total capacity of 496MW. Kent was appointed by AMS to produce an initial design for the jacket substructure during a preliminary design phase, and to subsequently develop and refine this design as the project moves through detailed design and certification. Kent is now supporting the project with engineering capability throughout fabrication and installation.

Some of the project activities that Kent is responsible for include:

  • Full design of jacket foundations (3-leg) and piles – including the use of a pre-drilled pile grouted connection into rock
  • Geotechnical analysis and engineering
  • Structural, electrical, process and utilities design
  • Structural analyses, including the full in-place, load-out and transportation
  • Fatigue analysis, ship impact, redundancy
the energy within.
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