TBM Breakthrough Marks Completion of Sydney Metro Tunnelling

Written by
Dean Oliver

TBM Breakthrough Marks Completion of Sydney Metro Tunnelling

Written by
Dean Oliver

TBM Breakthrough Marks Completion of Sydney Metro Tunnelling

Written by
Dean Oliver

Tunnel Boring Machine Kathleen broke-through to Blues Point last week marking the completion of tunnelling for the Sydney Metro project.

Named after Kathleen Butler, who played a vital role in building the Sydney Harbour Bridge, the TBM completed twin tunnels, each one 885 metres long and up to 40 m below sea level from Barangaroo to Blues Point.

This marks the completion of a total of 31 kilometres of tunnels delivered by 5 TBMs for the Sydney Metro project.

But the occasion wasn’t celebrated with the usual fanfare as ministers are busy dealing with a health crisis.