Subsea 7 announced today the acquisition of Toisa Pegasus, a 2009-built multipurpose offshore construction and dive support vessel.
The vessel will be renamed Seven Pegasus and undergo a docking and crew familiarisation programme before starting work in Q2 2019. It will primarily support Subsea 7’s operations in the North Sea and Asia-Pacific regions.
Subsea 7 chief operating officer John Evans said: “This acquisition reinforces our leading diving capabilities and reflects our strategy to actively manage our fleet composition to meet our client’s requirements and market conditions.”
The vessel measures 133 m in length by 22 m in breadth and has a dwt of 9,300. It carries four diesel-electric B&W MAN 9L27/38 engines, each producing 2,680 kW of power. Propulsion comes from two stern-mounted azimuthing 3,000 kW fixed-pitch propeller thrusters, two bow-mounted variable pitch 1,335 kW tunnel thrusters and a retractable azimuthing 1,200 kW variable pitch thruster.
Lifting capacity comes from a main deck crane with a safe working load (SWL) of 250 tonnes in double-fall configuration, or 200 tonnes in single-fall configuration when working offshore, as well as two Hydralift five-tonne auxiliary cranes.
The diving system comprises a twin-bell 18-person saturation dive system installed belowdecks. The system includes two six-person twin-lock saturation and two three-person saturation chambers. Toisa Pegasus also carries two 18-person hyperbaric lifeboats, one port-mounted and one starboard-mounted. There is also a dedicated 750 kW dive emergency generator.
The vessel carries one work-class ROV and has capacity to carry a second work-class ROV, with a dedicated survey suite.
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