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Infrastructure
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Auckland wastewater tunnel complete as borer breaks through

German-supplied boring machine emerges in Herne Bay after nearly five years on the job.

WATCH: Mayor of Auckland Wayne Brown.

NBR Staff Fri, 28 Mar 2025

Hiwa-i-te-Rangi, Watercare’s tunnel boring machine emerged into fresh air on Friday after completing the final stage of tunneling for Auckland's $1.5 billion central interceptor (CI) wastewater project.

The 200-metre long machine, which started digging at the Māngere wastewater plant in July

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NBR Staff Fri, 28 Mar 2025
Contact the Writer: editor@nbr.co.nz
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Auckland wastewater tunnel complete as borer breaks through
Infrastructure,
108458
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