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The Challenge

To ensure there were no space restrictions within the storage facility we needed to design the system to be completely in the warehouse roof with no mounted steelwork, as this would inhibit the building of large set pieces in this large work space.

The Solution

The overarching requirement for this lifting system was to provide a large scale solution that could accommodate set building in a theatrical environment. In order to achieve this we had to design a system of steelwork which was built into the existing building frame to distribute the dynamic loads from the cranes and also work within the capacity of the roof, whilst also leaving suitable steelwork members to suspend our crane tracks.

Hoist UK worked closely with the customer’s structural engineer ARUP to achieve their goal, which meant that we had to supply and install five tonnes of additional secondary steelwork to distribute the loads into

the correct areas of the roof to work with the existing portal frames.

The complete system gives them a total lifting capacity of 2520kg, spread over four independent 630kg SWL cranes with a maximum lifting height of eight metres, and covers an area of 550 square meters in their warehouse roof. All of the cranes were fitted with radio control, so that the crane operator can stand in the best and safest location for the particular lift, as items suspended from the crane can be irregular shapes and configurations due to the nature of their business.


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