Business of Blowouts: the major infrastructure project that hasn't blown out – yet

The central interceptor crew has had plenty to celebrate. (Image: Watercare)

Thu, 21 Sep 2023

Shayne Cunis of Auckland water services provider Watercare remembers the day in 2018 when he told joint venture partners Ghella, a family-owned Italian tunnelling company, and civil engineering firm Abergeldie that their JV had been selected as the preferred bidder for the central interceptor project. “Once I was out of eyesight, I heard screaming,” he says. The $1.2 billion wastewater tunnel, which runs 14.7 kilometres from Māngere under the Manukau Harbour to Grey Lynn, is the biggest wastewater project ever underta...

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