This follows a letter of intent signed in March between SembMarine subsidiary Jurong Shipyard and Heerema, which said the new semisub will be the largest vessel of its type in the world.

Scheduled for delivery in the fourth quarter of 2018, the vessel is designed for the installation and decommissioning of major offshore facilities worldwide.

It will be equipped with two Huisman heavy-lifting offshore cranes of 10,000-tonne lifting capacity each and a large reinforced work deck area.

The