Skip to main content

Sydney Metro - Central Station Advanced Adit


Laing O'Rourke




Sydney, Australia

Tunnelling Solutions were engaged by Laing O’Rourke in the early stages of this iconic project within Sydney’s Central Station. The concept was to construct a materials-handling tunnel eliminating the need for track closures to remove material from the live platforms 16-23.

The delivery scope comprised of the following:

  • 68m long x 6m wide and 5.5m arched tunnel comprising of Canopy Tubes, Lattice Girders, Shotcrete and GRP Anchor Bolts completed under the live rail above.
  • Tunnelling Solutions Road Header (Matilda) working in Sydney Sandstone completed the works in the extremely sensitive live rail area.
  • 4no culverts stubs to provide launch area for 900mm bottom up vertical bores to live platform
  • Design and Fabricate bespoke vertical auger boring machine to bore from adit culvert stubs to the live platform above.
  • 1.5m x 1.5m wide x 4.5m deep hand excavated with timber support reception shafts constructed on live Platforms for the 900mm bored shaft.
  • Massive public working environment with a huge amount of stakeholder engagement to ensure all risks were mitigated and methodology communicated and understood by all parties.
Back To Projects
Curve Curve

ENQUIRE NOW For More Information