Soil excavated by the tunnel boring machines on the West Gate Tunnel Project is now being managed and disposed of at Hi-Quality's Bulla Spoils Facility.

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.

Community resources



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.

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