Heerema’s latest catamaran project, which he said will be operational in 2020 at a capital cost of more than $3.4 billion, will measure about 400 metres long by 160 metres wide.

Perhaps more importantly, the gap between the unit’s twin hulls is designed to be a sprawling 72 metres wide, enabling the huge vessel to position itself around the largest of offshore platforms, and perform single-lift operations on structures of up to 72,000 tonnes.

It