Allseas orders two newbuild offshore construction vessels

The Switzerland-based offshore specialist Allseas is strengthening its offshore capabilities with the acquisition of two newbuild offshore construction vessels (OCVs).

The newbuilding contracts for the two vessels were signed on April 9, the company states, with the construction to take place at Wuchang Shipbuilding Industry Group in China.

Based on the proven SALT 308 OCV design, the vessels feature advanced equipment and systems to deliver enhanced performance, flexibility and functionality.

The first vessel is scheduled for delivery in September 2026, with the second following in December 2026.

Each of vessels will measure 100 metres in length, feature a 1,100 m² cargo deck and accommodate up to 110 personnel.

Advanced features include DP2 dynamic positioning system, 150-tonne active heave-compensated offshore crane, hangar housing two work-class ROVs, hybrid 1,500-kWh battery energy storage system and methanol-ready propulsion design for future fuel flexibility.

“We recognised a clear need to optimise our vessel deployment to support an increasingly diverse and complex project portfolio,” says Dries van Strijp, vice president operations of Allseas, who adds that “After carefully exploring all available options, it became clear that securing two next-generation