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Left Coast Lifter made its first lift on the new Tappan Zee bridge in April 2015, [22] a steel-reinforced concrete pile cap which formed part of the bridge's foundation. The massive crane was being used for heavy lifts of large bridge sections, [23] and placed the final steel girder for the new Rockland-bound (westbound) span in October 2016. [24]
Typical loads include petrochemical plant modules, nuclear reactor vessels, bridge components or offshore equipment. [7] [6] They combine lifting capacity - up to 5,000 tons - with a long reach. Jib lengths of up to 160 m give a lifting radius of up to 100m. They also have a small footprint compared to gantry or Goliath cranes.
The Guinness World Records state that Taisun holds the world record for "heaviest weight lifted by crane", set on April 18, 2008 at 20,133 metric tonnes (44,385,667.25 lb) by lifting a barge, ballasted with water. [3] However, it was surpassed by the Honghai Crane when the new crane was completed in 2014, with a lift capacity at 22,000 tonnes. [5]
Underslung (lower-beam) launching gantry used for Skyline guideway construction (2015). A launching gantry (also called bridge building crane, and bridge-building machine) is a special-purpose mobile gantry crane used in bridge construction, specifically segmental bridges that use precast box girder bridge segments or precast girders in highway and high-speed rail bridge construction projects.
The advantage of the box girder type configuration results in a system that has a lower deadweight yet a stronger overall system integrity. Also included would be a hoist to lift the items, the bridge, which spans the area covered by the crane, and a trolley to move along the bridge. The most common overhead crane use is in the steel industry.
The crane can lift 1,000 tons of debris, Maryland Gov. Wes Moore said Friday. But “one of the challenges is that the Key Bridge, which sits on top of the vessel right now, that weight is ...
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