Lift Shaft Construction

The project team are working with the lift and concrete frame contractor to develop an innovative way of constructing the lift shaft to tighter, more onerous tolerances. The team have designed a steel frame which will be constructed at the base of the lift shaft and house six lasers pointing vertically up the shaft.

The lasers are situated in key locations to suit the permanent lift installation and also the temporary core construction, and will enable the position of the lift doors and walls to be more accurately constructed at each floor level.

This technique has never been used to build a concrete jumpform core and has been acknowledged by all as a method of achieving the tighter tolerances required to achieve the specified architectural lift front doors. The proposed methodology will reduce the tolerance in the setting out of the core walls from +/-25mm to +/-10mm.

Footer Reference

Monitor Report. Mace Major Projects. London. February 2024.

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