Home > Kennards Lift and Shift chain blocks and props move motor generators at HVC Movement Engineers

Kennards Lift and Shift chain blocks and props move motor generators at HVC Movement Engineers

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article image A generator is lowered from the mezzanine and Super props provide temporary support
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Four 10-tonne chain blocks, suspended within a hydraulic gantry system, were used to remove three large motor generators from a difficult site. Equipment hire specialists, Kennards Lift and Shift, supplied HVC Movement Engineers with chain blocks as well as two alloy super props, which are lightweight while being able to support 15 tonnes.

The emergency power units, each weighing more than 10 tonne, had been lifted on to the mezzanine of a Telstra exchange 25 years earlier by winches attached to a beam in the ceiling.

However, ducting and pipe work, since installed beneath the beam, prevented this option being used for their removal and installation of a new 13 tonne unit.

The process used to move each generator was to attach two chain blocks to the corners closest to the edge of the mezzanine, with the back of the machine remaining on skates. The gantry was then moved away from the mezzanine until the back of the generator was near the edge.

Super props were erected to support the front of the generator while the chain blocks were unhooked and relocated to the rear corners, and replaced by two more. The motor generator was then hydraulically lowered, but the gantry system could not place it directly on the ground so the chain blocks were adjusted to bridge the gap.

Once the generator was safely settled on skates, part of the gantry system was dismantled so the unit could be rolled away. The gantry was reassembled and the process repeated.

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