Sydney Metro West - Western Tunnelling Package

About the project

Sydney Metro West will support a growing city and deliver world-class metro services to more communities. This new underground railway will connect Greater Parramatta and the Sydney CBD.

The Gamuda Australia and Laing O’Rourke Consortium is delivering the Sydney Metro West - Western Tunnelling Package. The contract includes the delivery of twin nine kilometre tunnels between Sydney Olympic Park and Westmead, the excavation of two new metro stations, a stabling and maintenance facility at Clyde, and a precast facility at Eastern Creek.


Sydney Metro West - Western Tunnelling Package


Gamuda Australia and Laing O’Rourke Consortium (Alliance)


Sydney, New South Wales

Time Frame

In Delivery


AUD $2.16 billion


JDK was engaged by Gamuda and Alliance through secondment to provide full-time engineering services during the ground investigation stages of the project. JDK assisted the project management team in primarily delivering the anchoring scope and providing support to the excavation and shotcrete team.

Responsibilities included:

  • Ensuring compliance with technical specifications, applicable legislation, approvals, and standards
  • Managing the anchoring subcontractors to meet quality and program.
  • Maintain quality documentation to the client's standard.
  • Providing input and recommendations for changes to design where needed
  • Working with multiple teams to meet the program targets.


JDK Geotech was tasked with conducting geotechnical site investigations and overseeing piling rig operations to ensure adherence to bedrock conditions. Employing a systematic methodology, we meticulously gathered geotechnical and geological data in accordance with the Australian Standard AS1726. Operating independently, our team seamlessly integrated robust site safety management and meticulous documentation procedures into our operations

Project Highlights