Bureau Veritas approvals help propel floating offshore wind sector

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© DCNS Energies - GE

Bureau Veritas has issued a Preliminary Design Approval for a Floating Offshore Wind Turbine (FOWT) foundation designed by DCNS Energies. The floating foundation is based on a semi-submersible floater, designed to be competitive, adapted to mass production, easily towable, connectable and dis-connectable, and adaptable to site conditions & local industrial environments.

This approval was provided as part of the General Electric (ex-Alstom) and DCNS Energies Sea Reed project, a FOWT product development initiative supported by ADEME, the French Environment and Energy Management Agency and is validation for upcoming projects in France, the USA and beyond

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A Preliminary Design Approval for Bureau Veritas implies that the Basis of Design has been approved. The design is feasible, achievable, and contains no technological show-stoppers that may prevent the design from being matured. Bureau Veritas engineers verified design methodologies, covering hydrodynamics, structure, stability and electricity. They also checked that the design is deemed to be suitable for use in all phases of operation including in-transit to field, installation and commissioning as well as providing recommendations through subsequent phases of the project.

Cooperation between Bureau Veritas and DCNS Energies in the floating offshore wind sector will continue to grow with a floating wind project planned to be deployed between the Groix and Belle-Ile Islands. The array will comprise four 6 MW GE Haliade turbines, installed on a hybrid version (steel & concrete) of DCNS Energies floating foundations. Bureau Veritas has been awarded, for the entire project, certification of the floating wind array covering the different phases: site conditions assessment, design evaluation, manufacturing, transportation and commissioning surveillance. The units are expected to be operational in 2020.