tbms sydney

Autonomous TBMs drilling smoothly on Sydney tunnels

  Tunnel boring machines (TBMs) Betty and Dorothy are progressing well on their journey to carve out a section of the twin Sydney Metro West tunnels between Sydney Olympic Park and Westmead. They have already built 865 metres and 300m, respectively, of fully lined tunnels since launching from the Clyde launch box. The 1200-tonne machines are tunnelling approximately 180m a week and are expected to complete the first 4.5-kilometre leg of their journey and arrive at Sydney Olympic Park in mid-2024. Read More
betty cuthbert

Betty the borer assigned to Sydney Olympic Park

One of Australia’s most loved Olympians, Betty Cuthbert, has been commemorated with a tunnel boring machine (TBM) in her name on the Sydney Metro West project. TBM Betty is the third of six mega TBMs set to build Sydney Metro West and has the huge task of carving out the section of tunnel between Sydney Olympic Park and Westmead, via the Clyde Stabling Maintenance Facility and Parramatta Metro Station. Read More
sydney tbm

Local Western Sydney students to name next TBM

Students from six primary schools across Western Sydney will have the chance to name a mega tunnel boring machine (TBM) for the 23-kilometre Sydney Metro–Western Sydney Airport line. The six schools are Orchard Hills Public School, Claremont Meadows Public School, Our Lady of the Rosary Primary St Marys, Kurrambee School, St Marys North Public School and St Marys South Public School. Read More

Mega tunnel boring machines for mega rail loop

Expressions of Interest have opened for the longest tunnelling package in Victoria’s history – delivering around 16 kilometres of twin tunnels between Cheltenham and Glen Waverley.  A second package will see the tunnels constructed from Glen Waverley to Box Hill, completing the SRL East rail corridor.
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