Three Japanese firms to collaborate on SEP construction

Penta-Ocean Construction, Kajima Corporation, and Yorigami Maritime Construction Company have agreed to jointly construct a multi-purpose self-elevating platform (SEP) equipped with a 1,600-tonne lifting capacity crane for construction of bottom-fixed foundations and wind turbines for 10-12MW class wind power generation facilities.

The basic design will be undertaken by GustoMSC of the Netherlands while Singapore’s PaxOcean Engineering will be responsible for the overall building of the SEP.

The vessel is scheduled to be completed and delivered in September 2022 and operational in March 2023, with an investment of approximately ¥18.5 billion (US$170 million).

The SEP ship holding company will be established as a subsidiary of Penta-Ocean and it will be operated jointly by the three companies.


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