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We continue to use Online for their reliable and timely service. Their modern CCTV equipment and experienced operators are great.


Woolhara Council

I’ve used OnLine’s services for close to 23 years. We have built a great working relationship based on efficient and professional service and I will continue to use OnLine.


D & W Plumbing

We have a long held relationship with OnLine, they have very experienced operators and their availability is fantastic.


A & G Professional Plumbing

OnLine are a great team to work with. Their prompt timing, friendly service and cutting edge technology suits our business requirements accurately.


Robson Civil

I have been working with Online for many years. I am impressed with their modern equipment and availability. Their operators are always on time and get the results we need.


Blacktown Industrial Plumbing

I appreciate OnLine’s availability, professional service and the great results we can achieve with the modern equipment they use.


SN King Plumbing

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Pipe and Cable Locating

Online Pipe & Cable Locating - Wollongong (Online Pipe) provides a range of locating services to assist in the protection of underground assets, and the prevention of hazards on site.

To meet client needs and project requirements, we have a range of locating equipment to suite most site conditions and applications.

Hand-held Locators - for the location of metallic pipes, cables and other structures 300-400mm sub-surface.

Outdoor Ground Penetrating Radar (GPR) - for the location of metallic and non-metallic pipes, cables and other structures from 2-3m sub-surface; suited to roads, construction sites, and other outdoor sites. 

Indoor GPR - for locating 300-400mm sub-surface;  suited to building sites and concrete scanning to locate post-tension cables and rebar prior to concrete cutting or core hole drilling.

Sonde Locators - for the location and depth of non-metallic pipes and cables (and the location of blockages).

With advanced technology, our technicians can accurately mark the location of sub-surface infrastructure on site as well as provide sub-surface imaging and reports.

Client Benefits

Non-destructive and safe location methods prior to excavation; fast, accurate, and reliable results; reduced risks; and reduced costs.

Online Pipe has the GPR equipment and expertise to provide fast, accurate and reliable location of underground infrastructure, such as:

  • Water pipes
  • Gas pipes
  • Electrical cables
  • Telecommunications cables
  • Hard-to-find sewer lines
  • Storm water drains
  • Unused storage tanks
  • Voids
  • Concrete rebar and post-tension cables