Major Tunnelling Works Begin On Cross River Rail

Tunnelling is underway on Brisbane’s Cross River Rail as excavation begins on the first part of the project’s Roma Street site. The 115-tonne roadheader tunnelling machine, which can excavate up to 50 tonnes of rock and soil per hour has started carving the station cavern.

The major project will create around 7000 jobs for Queenslanders, delivering much-needed jobs to the pandemic affected economy. The State Government also revealed Cross River Rail is pumping a critical $2.8 million into Queensland’s economy every day.

Queensland Premier, Annastacia Palaszczuk, said creating jobs and congestion-busting were main priorities for the project.

“Above ground demolition has also been underway for several months at the site of the new station – but today is a huge milestone for this project as we start tunnelling for the first time,” Ms Palaszczuk said.

“Cross River Rail will create more than 7,000 local jobs.

“This is just the beginning of the underground works, with 5.9km of twin tunnels and four underground stations to be excavated in total.

“That means more jobs and more economic stability at a vital time for Queensland.”


Roma Street roadheader Fast facts (provided by Cross River Rail)

  • The roadheader is 22 metres long end to end and weighs 115 tonnes
  • The roadheader cabs were manufactured by Queensland family-owned company QMW
  • The machine arrived at the site in five pieces which were lowered into the shaft using a gantry crane and then assembled at the bottom of the shaft
  • Roma Street station cavern will be approximately 27 metres below ground and 280 metres long
  • The roadheader will also be used to excavate parts of the Roma Street service tunnels
  • The access shaft is 12m wide x 16m long x 18 m deep
  • The gantry crane weighs 50 tonnes and is 24 m long
  • A second roadheader will begin work at Roma Street later this year.
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