Three Liebherr mobile cranes have undertaken a complex lift to move a 108-tonne steel storage tank over a 12-metre pipe bridge.
Maxikraft, a German crane and heavy logistics contractor, was selected to install a new storage tank at a chemical plant which needed to be transported from its assembly area to the destination.
To move the 33-metre long tank into position, it had to be hoisted over a 12-metre-high pipe bridge.
Two Liebherr mobile cranes, an LTM 1500-8.1 and an LTM 1750-9.1, were positioned on both sides of the pipes. The awkward load was lifted off a low loader by the two mobile cranes and hoisted over the obstacle.
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A Liebherr LG 1750 lattice boom mobile crane was set up at the tank’s destination. Working in tandem with the LTM 1500-8.1, the tank was moved into a vertical position and then hoisted by the large crane into the plant over a 16-metre concrete wall to the final installation location.
The LG 1750 was fitted with a 70-metre main boom, which required a radius of 30 metres. Due to the constructed environment, it could only be set up with a small support base of 12 metres by 12 metres.
An optional slewing platform extension was fitted onto the crane to ensure the gross load of 115 tonnes could be managed at the radius, increasing the ballast radius by 2.5 metres.
30 personnel were required to complete the complex lift, which received support from the Maxikraft Group.