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Company:LT McGuinness Wellington
The PwC Centre is a new base-isolated office building on Wellington’s waterfront. Due to the proximity of the building to the sea, the basement and ground floor design was one of the most complex the engineering firm had ever designed. It included over 1,200 continuous flight auguring piles, 33 lead rubber-bearing base isolators, and 31 slider type isolators, with tension ties helping hold it down.
The in-ground construction took thirteen months to complete. This made the programme very tight for the construction of the upper three levels, into which the incoming tenant had a drop-dead date on which they needed to have vacated their existing premises. Jeff undertook a thorough review of the planned methodology and sequencing. In doing so, he identified several opportunities to make changes that would enable faster build times and greater overlapping of sequences.
An additional aspect that placed pressure on the programme was the early access provided to tenants to undertake their fit-outs. This meant that Jeff was running a site with multiple contractors while managing expectations and project deliveries for numerous clients. The delivery of this most complex of buildings on the due date, despite consenting and in-ground hold-ups, was a significant achievement.