Roadheader tunnelling update

Tunnelling

Tunnelling works are continuing to be undertaken 24 hours, 7 days a week in the roadheader tunnels. Tunnelling involves a three-step process: cutting rock, rock bolting and shotcreting (spraying concrete to seal the tunnel interior).

The preferred excavation method to cut the rock is by using roadheaders. When rock conditions are too hard, rock hammers may also be used. This may change the level of noise and vibration experienced on the surface. Where possible, roadheaders will be used to minimise disruption.

Impacts from underground tunnelling activities may be felt at your property for approximately two months.
 

Cross passages

A cross passage is a short tunnel that connects the two parallel Cross River Rail tunnels. Construction of cross passages will occur below ground within the tunnels after the roadheaders have passed through the area.

Cross passage excavation will occur 24 hours a day, 7 days a week for up to four weeks.

Cross passages will be excavated using rock hammers. If you are located near a cross passage, we will contact you before work starts.
 

Our team

The Cross River Rail team is committed to keeping you up to date with progress in the roadheader tunnels. If you would like to arrange a meeting with our team or have any questions, then please contact us here:

• [email protected]
• 1800 010 875.

To keep you up to date with the latest in tunnelling information, we invite you to enjoy a coffee on us – Friday 25 June 2021 7:30am to 9:00am at a location near you. More detail to come.

If you want to know more, you can access these links below:

• Works Notice – Roadheader tunnelling update – June 2021
• Works Notice – Building the Cross River Rail tunnels factsheet
• View the Guide to tunnelling page