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Lodbrok is a floating crane, in the harbor of Ystad 2020. 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. [1]
Prior to the cranes for Sleipnir, the largest bearings Huisman had used for tub-mounted cranes were only 12 m (39 ft) in diameter. [5] The crane house is secured to the foundation using 1,100 bolts 82 mm (3.2 in) in diameter, each weighing more than 40 kg (88 lb), and held in place by nuts.
The Thialf has two cranes with a combined maximum lifting capacity of 14,200 metric tons (14,000 long tons; 15,700 short tons). [4] It is equipped with a class III dynamic positioning system. Propulsion and position keeping is by six 5,500-kW retractable azimuthing thrusters.
The Saipem 7000, originally named the Micoperi 7000, was conceived in the mid-1980s by its original owners Micoperi as a multipurpose offshore oil platform installation vessel that would be able to install very large oil production platform decks (known as integrated decks) as well as the decks' supporting structures (known as jackets) using its two very large fully revolving cranes.
Equipped with a large 7,500 tonnes lifting capacity crane, an additional 4,000 tonnes crane and an auxiliary 1,600 tonnes hook, a long stinger [12] and extensive equipment for lifting and lowering exceptionally heavy equipment and oil rigs, Lanjing is the largest crane vessel in the world (as of 2019). [13]
Taisun was built to install very large (up to 20,000 tons) integrated modules on top of a vessel's hull. Traditionally, offshore vessels such as drilling semi submersibles or FPSOs were built from the ground up in modules of 1000 to 2000 tons, which meant that much installation, hook up and commissioning work was left to be done on board where access is limited and efficiency is decreased.
The tub mounted crane will be available for additional lifts for jacket and topsides installation such as pile handling and bridge installation. [28] [29] The first major lifts with the new Huisman crane were performed in August 2020. [30] Stinger (left) and STF (centre) aboard Bumblebee; Pioneering Spirit in background on right
This provides a compact size for storage and manoeuvring. Fire appliance, with rear knuckle boom HIAB crane, folded for transport Same crane, extended to recover a damaged car. Knuckle boom cranes have become very common on offshore vessels as less of the deck space is blocked by the crane.
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