Tunnel project stops for next step
Drilling at the Waterview Connection project has stopped for three weeks in preparation for the next stage of the massive motorway project.
In the meantime a giant white gantry will be pushed into the tunnel behind Alice, the project’s tunnel boring machine.
The gantry – which is 95 metres long and weighs 400 tonnes and is the first of its kind in the world – will be used to lift into place large concrete culverts.
They will create a passageway on the tunnel floor to carry services like water, electricity and telecommunications links below the new motorway.
Twin 2.4km-long tunnels, which are both 13.1m in diameter, are being constructed to connect the southwestern and northwestern motorways as part of the western ring route. Transport Agency’s highway manager Tommy Parker says work is ahead of schedule.
‘‘We had originally planned to stop tunnelling for six weeks to get the gantry into place, but thanks to a lot of preparatory work and innovation on site we’ve managed to cut the time in half.’’
Under ground: Drilling has stopped while the Waterview Connection team prepares for the next stage.