Northlink Stage 1 Project – Guildford Road to Benara Road

  • Client:
    Monford Group / CPB Contractors for Main Roads WA
  • Location:
    Section between Guildford Road and Benara Road
  • Project Type:
    Major Infrastructure Project

Project Overview


Alliance Surveying was engaged to deliver surveying services for Northlink WA Stage 1, covering the section between Guildford Road and Benara Road. This major infrastructure project was designed to improve traffic flow, safety, and freight efficiency in Perth’s north-east corridor.

Working closely with contractors and engineers, our licensed surveyors led a skilled team to provide precision set-outs, as-built verification, and digital deliverables. Our involvement ensured compliance with Main Roads WA specifications, while supporting efficient construction on a project of state significance.


Key aspects of the project include:

Scope & Responsibilities

Our responsibilities on Stage 1 included:

  • Control network establishment across the project corridor.
  • Lane widening and new road alignment set-outs.
  • Surveying for new bridgeworks, drainage structures, and retaining walls.
  • As-built surveys to verify lane geometry, bridge elements, and safety barriers.
  • Topographic mapping and cross-sections for engineering reference.
  • Delivery of accurate survey data in digital formats for integration with project systems.

Challenges & Solutions

The project required surveying in live traffic environments with strict safety protocols. By coordinating with site teams, we minimised disruption while maintaining accuracy.

Our guarantee of fast turnaround ensured deliverables were provided within 48 hours, supporting design adjustments and construction progress. With fixed-price agreements, the client had confidence that no cost overruns would occur. By mobilising within 7 days of project approval, we seamlessly integrated into the delivery schedule.

Project Gallery

Get in Touch

From urban highway upgrades to regional infrastructure works, Alliance Surveying delivers surveying solutions that keep projects on time, on budget, and compliant.

Contact our team today to discuss your next transport or civil construction project.

Why Alliance Surveying?

Fast Turnaround:

All quotes are delivered within 2 days, guaranteed.

Swift Project Start:

Job commencement is guaranteed within 7 days of approval, so your project won’t face delays.

Transparent Pricing:

Our quotes are fixed; if unexpected costs arise, we cover the difference, ensuring no surprise charges.

Fully In-House Team:

We never outsource. Every step of your survey is handled by our own team of 30 experienced professionals.

Frequently Asked Questions

Stage 1 involved upgrading the road corridor between Guildford Road and Benara Road to improve traffic capacity, safety, and freight efficiency.

We delivered control networks, set-outs, topographic surveys, and as-built verification to support construction.

Accurate surveying ensures new road alignments, bridges, and drainage structures are built to design specifications and safety standards.

Yes, we provided set-outs and as-built verification for new bridge elements, drainage systems, and retaining structures.

We worked under strict safety protocols, coordinating closely with traffic management teams to ensure safe operations.

We delivered outputs within 48 hours, supporting real-time project progress and design adjustments.

Yes, licensed surveyors led the work and were supported by skilled field staff and technical personnel.

We provided a fixed-price agreement, covering any unexpected costs ourselves to ensure full transparency.

Survey data and drawings were supplied in digital formats compatible with Main Roads WA systems.

Yes, we regularly deliver surveying services for major roads, freeways, and infrastructure projects across Western Australia.

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