Cutting Head, Alice TBM

Cutting Head, Alice TBM

Cranes featured on and off recently on this blog, the reason being the construction of the Waterview Connection, a major tunnelling project for State Highway 20, completing eventually a ring route around Auckland.

Main protagonist in the exercise is the Tunnel Boring Machine (“Alice TBM“), a gigantic beast of 14.5 metres diameter which will chew its way 2.4 km from Owairaka to Waterview and then back again.…