Work will soon start on a purpose-built facility at Hi-Quality Group’s Sunbury Eco-Hub that will manage and dispose of soil excavated by the tunnel boring machines on the West Gate Tunnel Project.

Hi-Quality’s site was recommended by CPB John Holland Joint Venture, Transurban’s builder, following a comprehensive assessment of the technical specifications and environmental protection capabilities of three potential sites in outer Melbourne.

On this page you will find key documents related to the selected site and tunnelling.

Fact sheets

Tunnels - construction overview (PDF, 1.9MB)


AECOM report  - assessment of PFAS in groundwater (PDF, 2.1MB)

AECOM report - groundwater results testing map (PDF, 1.5MB)


Hi Quality's EMP for the West Gate Tunnel Project

Planning Scheme Amendment - Hi-Quality

Information about Hi-Quality Group's Sunbury Eco-Hub

More information including Hi-Quality Group's tender announcement, FAQs and information sheets are available on the Sunbury Eco-Hub webpage.