Underground explorers

Founded in Australia, we consult on major infrastructure projects across the globe.

Surex Surveyors are industry leaders in tunnel surveying and underground navigation technology. We provide public and private sector clients with a wide range of professional surveying services and innovative solutions to industry problems.

Client testimonials

“Surex displayed a great deal of knowledge in the tunnel space for both excavation and permanent lining. Thanks to the 3D and clash detection checks Surex... we were able to optimise our formwork system to suit the tight tunnel tolerances for this project.”
Brisbane Metro

“Surex team do what they know. They have done a large number of tunnelling projects so I can't think of any better company to deliver such a sensitive scope for our company.”
Western Sydney Airport Station Box and Tunnels

“They are a very professional company who are always quick and accurate with their responses to our every day on site needs... The knowledge and personal skill of these guys have been the key to getting works done as quickly and accurately as we have.”
Cross River Rail (Brisbane)

“Surex have experienced personnel who are easy to deal with and understand the specific requirements of tunnelling works. Management team cares about workforce by providing regular feedback and support.”
Western Harbour Tunnel (Stage 2)

“Surex have always delivered the required service for site surveyors and specifically tunnelling related support.”
Sydney Metro West (Western Tunnel Package)

Our experience

Tunnel boring machine (TBM) surveying

With specialised skill sets and experience in open (hard-rock), single shield and double shield TBMs, we cover all aspects of TBM service including segment and mould measurements and gyroscope surveys.

Roadheader

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

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.

Underground navigation

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

Monitoring

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

Our locations

Brisbane Office (HQ)

John Oxley Centre
Suite 6 Level 4, South Tower
339 Coronation Drive
Milton QLD 4064

Sydney Office

Unit 8/76b Edinburgh Road
Marrickville NSW 2204

Melbourne Office

Unit 14/28-36 Sabre Drive
Port Melbourne VIC 3207