Hains Daniels Group
A food factory in Histon, Cambridgeshire.
The owners of a food factory in Cambridge were planning to repurpose the building but needed to have an obsolete overhead crane removed from the space for the work to go ahead.
The removal of the crane presented a particular challenge due to the height of the unit, the limited working space between the top of the crane and the roof of the building, and the relatively small area in which any cranes would have to operate in.
Another issue that needed to be factored into the removal of the overhead crane was the fact that any equipment used to complete the task would be operating within the interior of the building, which meant that potentially harmful emissions would be trapped within the building, a problem that would be particularly acute within the context of food production.
With all this in mind, Sky Bespoke Glass turned to us at JT Cranes, to provide specialist project delivery, including a combination of expertise, experience and access to bespoke specialist equipment.
We approached the problem by drawing on our extensive experience of working with compact cranes in locations that are difficult to access.
We quickly realised that the size and height of the overhead crane meant that two smaller units would have to be used, as a single unit with sufficient lifting power would be difficult to operate in the limited space. We also knew electric-powered units were the only viable solution capable of eliminating the problem of unpleasant and dangerous emissions.
We decided that the solution was to use two smaller cranes operating in tandem to deliver the lifting power of a single larger unit while being able to operate within the limited space available. The model we chose was the Jekko SPX 1275, a crane with a reduced stabilisation area that is capable of working at heights of up to 27.5 metres and lifting a maximum weight of 7500kg.
The Jekko SPX 1275 was particularly suited to the job for a number of reasons. Upmost amongst these was the fact that, despite taking up a relatively small working area, the crane can still rotate through three hundred and sixty degrees, while the fact that the Jekko SPX 1275 is powered using 32amp three-phase electricity meant that both emissions and noise pollution were minimised if not eliminated entirely.
Our experience came to the fore when choosing the attachment for the crane, a jib3500G attachment with a fixed hook that was capable of acting within the small headroom allowed without compromising on the security of the attachment.
Finally, the best equipment is only ever as effective as the person operating it, and the expertise and experience of our slinger signallers was vital in operating the two cranes in tandem and lifting the crane from its position, and safely lowering it to the floor.
“The lifting operation went extremely smoothly due to the diligent planning and professional competence of all involved. A complex lift but with both of the cranes working in perfect synchronisation guided by the two slinger signallers they were able to bring the overhead crane down to the ground with effortless precision.” Mark Weston of JT Cranes
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