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Contractors World 2011 Volume 2 Issue 9
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Liebherr giant 400 tonne crane playing vital role




Liebherr giant 400 tonne crane playing vital role

During the Summer, installation of a Liebherr LR 11350 400-ton lifting capacity crawler crane was completed for the Russky Bridge. This crane will be used to lift large-size central span deck panels of the bridge to the Russky Island to the elevation of 70 meters.

A special platform with reinforced foundation was constructed for operation of the LR 11350 which weighs about 1,200 tonnes. Specialists believe that this crawler brings a new dimension to this class of handling equipment. Because of the use of various boom configurations, the LR 11350 offers high flexibility in operation with or without a derrick system.

The crane has a 66 meter long boom with a controllable 36 m long jib extension The Superlift system uses 200-ton and 320-ton counterweights.

Liebherr giant 400 tonne crane playing vital role    Daniel Skeypens, Crane Installation Supervisor, Sarens NW says “The unique lifting crane features a flexible boom configuration, short deployment time, easy and economical relocation, state-of-the art electronic control system, high reliability because of redundant safety systems, and, which is highly important, high job quality.

“It is true that lifting the panels that weigh up to 375 tons to the elevation of 70 meters within the tight space conditions of the site on the Russky Island is a challenging task. But it is also true that this state-of-the art machine offers a high lifting capacity in any configuration.”

 “This crane configuration will allow us to lift and tie up together large-size panels within a short time under the tight space conditions on the bridge construction site on the Russky Island side,” says Nikolay Rogov, General Director, SK MOST.

    “Ten panels of the main steel stiffening girder will be lifted from the span between the pillars M8 and M7 to the design elevation, and installation of a rig for the next work phase to be conducted from the water in the Eastern Bosphorus Strait will be done as well using this crane.”

[Photos by Igor Lischuk / SK MOST]

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