Unsupported browser

For a better experience, please update your browser to its latest version.

Your browser appears to have cookies disabled. For the best experience of this website, please enable cookies in your browser

We'll assume we have your consent to use cookies, for example so you won't need to log in each time you visit our site.
Learn more

First Sydney Metro TBM arrives on site

The first of five tunnel boring machines (TBMs) that will drive 155km of twin tunnels for a new metro system in Sydney, Australia has been delivered.

The Herrenknecht TBM arrived at main contractor John Holland CPB Ghella joint venture’s Marrickville launch site in eight shipping containers and 23 other separate pieces.

The 1,100t TBM will be assembled on site and is expected to start work on boring the 8.km tunnel towards Waterloo Station and Barangaroo before the end of the year.

Another TBM will be delivered to complete the twin tunnel from Marrickville, while two other TBMs will drive the 6.2km tunnels from Chatswood to the edge of Sydney Harbour. A fifth TBM will be used to drive both bores of the 1km tunnels below the harbour.

The project is the first in Australia to use five TBMs concurrently. All have been manufactured by Herrenknecht.

Have your say

You must sign in to make a comment

Please remember that the submission of any material is governed by our Terms and Conditions and by submitting material you confirm your agreement to these Terms and Conditions. Links may be included in your comments but HTML is not permitted.