Semisubmersible heavy-lift barge used for novel dry-dock in Mexico

A novel dry-docking operation began last month in Mexico, following the loading of the 11,220-tonne semisubmersible rig Mata Redonda on the main deck of the Zhong Ren 3 semisubmersible heavy lift barge (see photo).The Rotterdam-based ocean towage and heavy transportation company Fairmount Marine BV describes the 50,000-dwt Zhong Ren 3, 196 m long and 46 m wide, as the world's largest semisubmersible barge, owned by Shanghai Salvage Co. The Zhong Ren 3 was converted from an oil tanker to a submersible barge in the COSTCO shipyard at Nantong in 2001-02. Zhong Ren 3 was towed from Las Palmas, Canary Islands, to Mexico for the job by the 120-tonne bollard pull tug Hua An.Click here to e...

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