Tunnel boring machine (TBM) Hiwa-i-te Rangi has reached the 10km mark after leaving a site next to Mangere Wastewater Treatment Plant, New Zealand, in August 2021.
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Central Interceptor’s 18 gantries slotted
Watercare has slotted 18 gantries, also known as back-up cars, into place on its Central Interceptor Tunnel Boring Machine (TBM) in New Zealand.
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