Strategy
Planning &
Transaction
Delivery, Controls &
Performance
Asset Operations,
Maintenance & Integration

Case study

Transport for NSW

Strategy

Transport for NSW

Project

Bankstown to Liverpool Sydney Metro Extension

Location

Sydney, New South Wales

Budget

$24B

Sector/s

Rail

The Western Sydney Rail Needs Study examined a range of future rail corridor options to support long-term transport planning and business case development across Western Sydney.

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The study considered 10 separate alignment options, each incorporating different combinations of tunnels, surface rail and station infrastructure.

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Key services
What Chapter Advisory delivered

The objective was to understand the relative cost, complexity and viability of each option and provide a robust basis for future investment decisions.

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Detailed P50 and P90 capital cost estimates were developed for each corridor to support comparative assessment, risk evaluation and business case planning for a potential investment program valued at up to $24 billion.

Project outcome

Cost planning services to support the assessment of 10 potential rail alignment options across Western Sydney were delivered.

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The engagement included development of P50 and P90 capital cost estimates for each corridor, incorporating tunnel, surface rail and station infrastructure.

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These estimates provided a consistent basis for comparing options, understanding cost and risk exposure, and informing business case development.

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The work supported Transport for NSW in evaluating investment pathways and progressing long-term rail planning across Western Sydney.