Johnson Arabia was contracted by the Dubai Electricity & Water Authority (DEWA) to lift three transformers for a substation located in Al Khawaneej, Dubai. The two-day lifting job was assigned to a Liebherr LTM 1400 7.1, a 400t all-terrain crane.
However, space limitations at the site created restrictions for positioning of the crane outriggers, and the only option was to add propping support on the manholes nearby to position the outriggers.
The Liebherr LTM 1400 7.1 all-terrain crane lifting a transformer with its outriggers positioned on manholes.
The complex lifting job was completed with the crane operating in two positions. Two of the transformers were lifted from first crane position and third transformer was lifted from the second crane position.
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