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Wakefield Hospital - Screw Piling for Terrain Challenges

Lattey started work on the new Wakefield Hospital in Wellington last month. The screw piling was tested to 260 tons at the beginning of the month. 80 Screw piles in total will be installed to about 12.0m depth over a ten-day period late August, with pile demands varying widely.

An interesting aspect of the foundation system is that it rests on base sheer isolators, a series of rubber blocks designed to extend and move up to 600mm in the event of an earthquake. This is a similar system that has been used and can be observed under the Te Papa Museum.

The new Wakefield Hospital is a very complex architectural project: a 5-storey building resting on challenging ground conditions and 12m elevation across the 1400 m2 site. Before the work started, it had been two years in the design.

The next part of Lattey's job is the installation of a King Post Wall System (retaining wall). We will also supply stairs treads and rises, all components of which will be precast in our Levin site.




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