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Huisman Mast Crane Nominated for Innovation Award
Huisman’s 5,000-tonne offshore mast crane on Subsea 7’s flagship Seven Borealis has been nominated for the Innovation of the Year Award. The award winner will be revealed in February during the Annual Offshore Support Journal Conference in London.
The conference advisory panel has shortlisted Huisman for its offshore mast crane and voting for the award is open until January 25.
Huisman, the specialist in lifting, drilling and subsea solutions, successfully delivered world’s largest offshore mast crane on the Seven Borealis. The crane, with the top of the mast reaching 150 meters above the main deck when upright, features a full-heave compensated deepwater lowering system that make it an efficient tool for the installation of heavy loads required for deepwater subsea production systems.
The 5,000-tonne crane was installed, commissioned and load-tested at Sembawang Shipyard in Singapore. Besides the two 2,500-tonne main hoisting blocks, the crane has a 1,200-tonne auxiliary hoist equipped with an active and passive heave compensation system and is capable of storing up to 6,000 meters of hoisting wire. The tip of the fly jib has an additional 110-meter whip hoist. The total installed motor power is approximately 15 megawatts. The crane revolves on an in-house designed and fabricated slew bearing with a diameter of 11 meters.
New heavy-lift mast cranes in the range of 1,800- to 4,000-tonnes are under construction.