A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf after successfully tunnelling Watercare’s $22m Clarks Beach Outfall over the past seven weeks.

CHANGSHA -- China's self-developed tunnel boring machine with the biggest diameter has been rolled off the production line on Thursday. The machine, with a maximum excavation diameter of 16.64 meters, ...

Press Release – Watercare A 19.5 tonne TBM was lifted out of the Onehunga Wharf after successfully tunnelling the Clarks Beach Outfall (Photo/Supplied A 19.5 tonne tunnel-boring machine docked at ...