OSLO, Norway --Aker Oilfield Services (AOS) has contracted Aker Yards to build four large ice-class intervention/construction vessels, for delivery during 2010-11. There is also an option for a further two vessels: the total contract value is $65.11 million.
All will be of the Aker OSCV 06 WI design, each being 157 m (515.09 ft) long, with a beam of 27 m (88.58 ft). They will be equipped with an active heave-compensated crane, an ROV and associated launching system, and a derrick for well intervention purposes. The DP3 vessels will have a maximum transit speed of 18 kt (20.71 mi/hr).