DP construction vessel operable in shallow water

Offshore staff

ULSTEINVIK, Norway – Ulstein has introduced a new dynamically positioned multi-purpose construction vessel suited to shallow-water operations, including cable lay and offshore construction.

The mooring and DP-2 (optionally DP-3) station keeping capability, in combination with the large endurance and adequate transit speed, ensure that the ULSTEIN S182 can operate autonomously in remote areas, the company adds.

“We decided that speed will be a result of the design rather than a design driver as it is in most designs,” says Edwin van Leeuwen, managing director of Ulstein Design & Solutions. “Speed requirements often have a big impact on installed power, easily spiralling up vessel capex.”

The vessel can operate in DP mode at a draft of 4.5 m (14.8 ft), including beaching. Features include a large open work deck that can support a carousel of up to 30 m (98.4 ft), a large cargo hold below deck, and around 10,000 dwt capacity.

A main offshore crane of up to 400 tons can be positioned on the side of the vessel, while a passage way below main deck is created between aft casings and accommodation, avoiding the need for personnel to cross the open work deck.

The main areas targeted are Southeast Asia, the Middle East, Africa, and the North Sea.


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