Thornlie–Cockburn Link

Project delivered through practical engineering, close collaboration and reliable execution.

TNE Civil worked on the Thornlie–Cockburn Link from 2020, initially constructing new lining walls inside the Glen Iris Tunnel before returning in 2024 to deliver track slabs and the MCR walkway.

The FRP scope included capping beams for the Kenwick Tunnel dive structures, Ranford Road culvert bases, ground beams, crash barriers and more than 800 linear metres of access walkways.

TNE Civil also delivered 3,000 m² of Class 2 shotcrete, vacuum excavation, electrification screens and five months of remedial works within the existing Kenwick Tunnel.

Head Contractor NEWest Alliance (CPB Contractors and DT Infrastructure)
Principal Public Transport Authority
Value $12m+
Status Completed 2025
Location Southern metropolitan Perth, Western Australia
Scope FRP, shotcrete, vacuum excavation, electrification screens and remedial works
Across the Thornlie–Cockburn Link, TNE Civil delivered structural concrete, civil and remedial packages across both new and existing rail infrastructure. The scope spanned tunnel linings, track slabs, capping beams, culvert bases, barriers, access walkways and Class 2 shotcrete.
CAPABILITIES USED

Integrated delivery across complex rail structures.

Civils & Earthworks
Vacuum excavation and associated civil works supporting construction across active rail locations.
Shotcrete
Delivery of 3,000 m² of Class 2 shotcrete across tunnel and rail structures.
Complex Concrete Structures & FRP
Tunnel lining walls, track slabs, capping beams, culvert bases, ground beams, crash barriers and access walkways.
Remedial Works
A five-month programme of precision concrete remediation within the existing Kenwick Tunnel.

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