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Offshore wind farms

RINA Services offers certification services for design, construction and installation of offshore wind farms, focusing on design verification of the support structure and type approval of the wind turbine.


Due to the large investments involved in offshore wind farms construction, third party verification and certification services are additional value to investors or insurance companies by reducing their risk and protecting their investment.

Moreover, the verification services are helpful to minimize the cost for wind turbine design changes or fabrication hitches.


The project of offshore wind farms requires mastering of multiple disciplines. There are several engineering challenges when locating wind turbines offshore mainly due to the action of the hydrodynamic loads.

Specific guidance is required for addressing the combination of wide range of winds necessary for the required plant performance and the issue of site specific assessment of the structure, typical of an offshore installation.

RINA Guidelines provides support for both targets of structural design verification of offshore foundations and approval of the wind turbine, with due consideration to the integrated structural support system verification and relevant dynamics.


  • Approval of the wind turbine
  • verification of risk analysis (e.g. ship collision risk analysis)
  • verification of the support structure and foundation versus site specific condition (related to soil and environmental conditions)
  • rotor-nacelle assembly assessment
  • inspection and testing at suppliers premise
  • site supervision at manufacturing yard
  • marine warranty survey services for transport and offshore installation of the structure.
All the above activities are to be carried out to verify compliance with applicable rules’ requirements such as those of the RINA Rules for the classification of fixed offshore platforms for the structure and the international standards IEC 61400-3 for offshore wind turbine design.​

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