PortandTerminal.com, July 2, 2019
Boskalis has been awarded a contract by Carnival Cruise Line to lift the Carnival Vista out of the water and onto another ship. That’s the easy part. After that, the BOKA Vanguard will transport the Carnival Vista to a shipyard facility for a dry-docking operation. This is a world-first operation that will take place in the coming weeks in Freeport, Bahamas
Freeport, Bahamas – Carnival Vista is the second-largest cruise ship in the Carnival fleet with a capacity of nearly 4,000 passengers and a length in excess of 300 meters. Due to technical issues with Carnival Vista’s azipods, the ship’s main propulsion system, the vessel must be repaired in a dry dock which is currently not available in the region. Boskalis offers a unique solution to facilitate this dry dock repair by deploying the world’s largest semi-submersible heavy lift vessel BOKA Vanguard. Carnival Vista will be loaded onto the BOKA Vanguard off the coast of Freeport, Bahamas.
The Carnival Vista
The Carnival Vista is an impressive ship. Homeport Galveston, TX, its an $800 million dollar cruise ship built-in 2016 that can accommodate up to 6,166 passengers and crew.
The Carnival Vista weighs 133,000 tonnes and is the 40th largest cruise ship of the 314 major vessels out there.
The Carnival Vista is almost as long as a Nimitz Class aircraft carrier, the largest in the world, but is significantly heavier than the warship.
Dry docking operation
The BOKA Vanguard is the world’s largest semi-submersible ship uniquely positioned to lift and transport extremely heavy cargoes in a dry and safe manner.
The vessel has an impressive track record transporting large offshore oil and gas structures, but can also carry other vessels and act as a floating offshore dry dock facility. The BOKA Vanguard is unique in that is has an open and flat stern and bow-less deck measuring 275 meters by 70 meters allowing the vessel to lift and transport cargo’s longer and wider than these deck dimensions.
By filling its ballast tanks, the ship deck is submerged in a controlled manner, allowing it to lift deep draught cargoes. This creates an alternative for dry-docking allowing inspections and repairs to be safely and efficiently conducted at a location where traditional dry dock alternatives are not available.
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