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A crane vessel, crane ship, crane barge, or floating crane is a ship with a crane specialized in lifting heavy loads, typically exceeding 1,500 t (1,476 long tons; 1,653 short tons) for modern ships. The largest crane vessels are used for offshore construction .
The crane barge was built by Kelso Marine in Galveston, Texas [6] [7] for Sun Shipbuilding in 1972 at a cost of nearly $5 million. [2] [8] At the time, it was the largest crane ship in the world. [8] The crane was initially able to lift 800 short tons (710 long tons; 730 t), and so was named Sun 800. [9]
The floating barge-crane, originally named Marine Boss, was built for Murphy Pacific Marine.The barge was assembled by Zidell Explorations from scrapped ship steel in Oregon [2] in 1966 and fitted in San Francisco with a heavy 500-ton revolving crane made by Clyde Iron Works [3] to perform the heavy girder and deck-section lifts for construction of the 1967 San Mateo-Hayward Bridge.
Unlike typical barge cranes, which offer a single hook, Bottom Feeder consists of two barge-mounted gantry frames, each weighing 1,250 short tons (1,130 t); [20] four independent lift blocks are suspended from the frames, each with a capacity of 1,000 short tons (910 t), allowing greater control and capacity for retrieval. [21]
A $1.5 million grant from the National Oceanic and Atmospheric Administration will cover the cost of extracting the 114-foot crane-topped barge from the spot where it sunk in a fall nor'easter ...
The Port of Baltimore shared an image of the crane barge, Donjon's Chesapeake 1000, which ABC News reported was onsite Friday morning at the site of the Francis Scott Key Bridge. The span ...
The vessel is equipped with two revolving cranes built by Huisman Equipment B.V., each with a capacity of 10,000 t (11,000 short tons); the main cranes can be operated in tandem to jointly lift 20,000 t (22,000 short tons). After its completion in 2019, SSCV Sleipnir succeeded Heerema's earlier SSCV Thialf as the largest crane vessel in the world.
Titan is a large self-propelled crane vessel with the tip of its main boom standing at 374 feet (114 m) above the typical water line and a lifting capacity of 385 short tons (349 t). [3] In 1957, it was claimed to be the largest floating crane in operation. [7]