Seaway 7
Seaway 7

Semisubmersible transport and installation vessel

Unique value proposition (UVP)

In 2021 OHT will bring to market the largest and most innovative, custom-built offshore wind foundation installation vessel in the world. The Alfa Lift design vessel will feature a 3,000 t main crane, a 10,000+ m² smart deck, capable of carrying and installing up to 16 XL monopiles or 10 jackets per voyage, and will be able to fully submerge the main deck to a depth of 15 m. Free deck length: 148 m Free deck area: 8,310 m² main + 2,470 m² fcstl Accommodation: 100 people The vessel is a 48,000 dwt semi-submersible offshore windfarm foundation installation vessel of Alfa Lift design (patent pending), ready for work early 2021.

Key Benefits

  • The Alfa Lift vessel's capacity to transport and install up to 16 XL monopiles or 10 jackets per voyage cuts down installation time and lowers operational costs for offshore wind projects.
  • Equipped with a 3,000-tonne main crane and a submersible deck, the vessel reduces installation complexity and risk, boosting safety and operational efficiency.
  • Designed to accommodate up to 100 personnel, the Alfa Lift enables large-scale operations, ensuring scalability and uninterrupted project progress.

Other technologies by this company

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Oil & Gas

Vessels, rigs and modules

+1 more categorization

Semisubmersible heavy transport vessels

Seaway 7
TRL 9

Company contact

Trond Kjetil Nodberg
Head of Business Development and Tendering
tkn@seaway7.com+47 412 10 239

TRL scale

9
DevelopmentTech demoMature

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References

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