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Southern Cross Wellington Hospital expansion: 
In the company of giants

Working with New Zealand’s largest privately-owned construction company, on a project for New Zealand’s largest private healthcare network. That’s pretty big. 

Earlier this year Lattey Group were contracted by Naylor Love to install the bored piling for a substantial development at Wellington’s Southern Cross Hospital.


Their expanded campus will enable Southern Cross to deliver a broader range of healthcare services at their Newton site. A new three-level building adjacent to the existing hospital will house enhanced orthopaedic services including two new surgical theatres, taking the number of theatres at the campus from six to eight, and significantly increasing the hospital’s surgical capacity.


But before construction could begin, the project required the placement of 113 bored piles to depths of up to 24 metres, to create a solid platform for what would be built above. Due to the small site footprint and challenging ground conditions. the project had to be carefully managed by our on-site piling team. 


750mm and 900mm diameter piles were constructed through the water table 1.5 metres below the surface to depths ranging 10 to 25 metres until they reached and were socketed into competent ground material. After a reinforcing cage had been placed into the bore hole, watertight Tremie pipes were used to introduce the concrete. On average, one pile a day was placed over a six month period. During construction, over 900 cubic metres of concrete was poured.


Learn more about our civil capability here.



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