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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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Ground Penetrating Radar

Locating sub-surface infrastructure is a crucial step before excavation, core hole drilling, or concrete cutting. Online Pipe & Cable Locating (Online Pipe) has the latest in Ground Penetrating Radar (GPR) meaning we can help you prevent hazards on site and protect sub-surface infrastructure. 

We have the following GPRs available for locating jobs:

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, footpaths, car parks, industrial 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 performed by on-site tradesmen). This GPR can also be used to locate reinforcement bar (reo bar) concealed in walls.

Our locating services include reports and clear and accurate 3D imaging of sub-surface infrastructure. 

Client Benefits

Fast and accurate locating and mapping; permanent record of sub-surface imaging on DVD; non-destructive locating method; saves time and project costs; and  helps prevent damage and reduces risks.

Online Pipe has the GPR equipment and expertise to locate underground assets 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

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