Developed for installation and removal of such objects as platform topside and jackets with weights up to 20,000 tonnes, the Twin Marine Lifter system is based on using two heavy transport vessels.
Each has four, 2,500 t capacity lifting arms. The 75 m long arms are extensible by 15 m.
Lift force is created by deballasting the buoyancy tanks of the TML vessel and at the same time ballasting the ballast tanks.
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