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Lifting and installation of Girders

Weight: 140T, Length: 45m, Qty: 8 units

Project scope

Lifting of  8 Girders of the Bridge to link Al Mariyah Island with Al Reem Island in Abu Dhabi. Major challenges were space constraints, limited crane set up area and access, large lifting radius and highest precision requirement for the job.

Solution provided

Girders were lifted into place by tandem operation using the largest mobile crane available in our fleet LTM-11200-9.1 (1200T) and LTM-1500-8.1 (500T). The 1200T crane was positioned at Al Mariyah Island and the 500T crane was positioned at Al Reem Island. Girders were delivered to Al Mariyah Island and were initially lifted using our single 1200T crane, swung across the island so that one end of the girder reached Al Reem Island. The Girder was then lowered on the ground and lifted onto final position on bridge pier by tandem operation using 2 cranes.