Surex is an established Australian survey consulting practice, which specialises in major infrastructure projects.

We are highly specialised being an industry leader in the areas of tunnel surveying and underground navigation.

Surex consults in all facets of surveying throughout the evaluation, design, development, and delivery phases of projects.  They provide Clients from both the public and private sectors with a wide range of professional surveying services and innovative solutions to industry problems.  Typical services and project types include:

  • Tunnel Surveys

  • Underground Navigation

  • Large Infrastructure Surveys (road, rail, sewer, water, power, etc)

  • Topographic Surveys

  • Civil Engineering Set-out Surveys

  • Monitoring Surveys

  • Project Control Network Surveys (including GPS networks)

  • Automated Positioning Systems

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Tunnel Boring Machine

With specialised skill sets and experience in open (hard-rock), single shield and double shield TBM’s, Surex provides an overall service in TBM tunnel surveying including Segment and Mould Measurements and Gyroscope Surveys.


Surex has comprehensive experience in surveying Roadheader Tunnels. From maintaining guidance systems in excavation and tunnel support, through to final tunnel lining and fitout.

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Pipe Jacking

Surex supplies specialised surveying for trenchless, straight and curved tunnels. Laser Guided for short straight tunnels, or Gyroscope and VMT SLS Guidance systems for long, curved tunnels.

Project Control Network and Gyroscope Surveys

With the experience of supplying project control on a variety Australia’s largest infrastructure projects, Surex will establish accurate control to project specifications and requirements.

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Underground Navigation

Experience of various guidance systems and specialised surveying techniques allows Surex to provide confidence in underground navigation through all facets of tunnelling


Surex provides service in various forms of monitoring including real-time, automated, conventional 3D and settlement.

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