Ulstein has reported that at Hyundai Heavy Industries, the ‘Toisa Patroklos’ vessel is nearing completion.

The multipurpose offshore construction vessel, a customized Ulstein Deepwater Enabler design, is the largest vessel built featuring the patented X-BOW and the first to be built in Korea. It was launched in March 2015 and scheduled for completion in summer 2015.

The DP3 vessel is measuring 150.5 metres in length and 32 metres in width. The ship is designed for worldwide operations in the oil and gas sector, ultra deepwater installation and construction, flexible lay, pipelay, cable lay and topside construction support.

The design features heavy lift capabilities with Active Heave Compensation (AHC), two ROV moon pools and one large moon pool, up to 50 t/m2 deck strength and 250 POB accommodation.

The design also includes includes a fully AHC offshore crane rated at 900t SWL with a depth capability of 3,500 metres and a second AHC knuckle boom crane of 200t SWL with depth capability of 2,000 metres. Furthermore, the vessel can accommodate a 550t flex lay tower over the main moon pool and two 2,500 tonnes capacity carousel spaces below deck.

From the enclosed hangar two work class ROVs can be deployed over side to port and starboard or through dedicated offset moon pools. According to Ulstein, the vessel will be delivered with all necessary interfaces to service both ROVs and saturation dive system.