West Gate Tunnel: how a contamination issue became a 3-year delay
A Melbourne project analysis of a major programme slip, what it did to the critical path, and why re-baselining mattered.

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Independent insights on Australian construction, infrastructure and project controls.

A Melbourne project analysis of a major programme slip, what it did to the critical path, and why re-baselining mattered.


A review of cost growth, station delivery and contingency.

What the estimate range says about programming a project at this scale.

The Tier 1 contractors and the work attributed to them.
A contamination dispute, programme delay and final cost in context.
What a $10.9b to $13.48b delivery tells planners about contingency.
Reading the government estimate and Auditor-General findings together.
Companies ranked from the Planning Toolkit supplier directory by verified rating and review count.
Questions around licensing, equipment fit, capacity and comparable past projects.
Existing directory coverage arranged as a useful procurement starting point.
Charts, maps and public datasets interpreted by Planning Toolkit are being developed. Data coverage is expanding; no current dataset is presented here as live editorial reporting.
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