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Pipe inspection equipment used to investigate an accessible underground pipe

Pipe locating

Underground Pipe Locating Services in Melbourne

Need to find a buried water, gas, sewer, stormwater or private pipe before excavation? HR Utilities selects the locating method from the pipe material, access points, ground conditions and decision your team needs to make.

Electromagnetic locating, GPR, sondes and traceable insertion investigate alignment where conditions allow. CCTV inspects the inside of an accessible pipe; targeted exposure physically confirms a selected point. Survey and digital mapping are scoped separately.

Pipes rarely stay simple once work starts

A drawing may show a main line but miss private extensions, abandoned runs, stormwater changes, or undocumented drainage. Once excavation starts, those gaps turn into delays.

HR Utilities investigates the defined work area before work reaches the pipe. No single method finds every pipe, so the field record should state what was detected, what was inferred, where evidence was limited and what should be checked next.

Pipe locating use cases

These are common reasons contractors, engineers, and property teams call HR Utilities.

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Water and gas pipe routes

Trace conductive services with electromagnetic induction and record the alignment for site planning.

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Stormwater and drainage

Use CCTV where access and visibility allow an internal condition check. Add a sonde or other locating method when surface position is also required.

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PVC and HDPE pipes

Use GPR or a traceable sonde or rod where suitable. Results depend on access, pipe size and depth, ground response and obstructions.

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Pipe clash risk

Map detected pipes into CAD or GIS so designers can check clashes before construction.

How we locate pipes

Pipe material, access, and depth guide the method. HR Utilities scopes each site before field work starts.

  1. 1

    Review available plans, BYDA responses, and visible pits, valves, drains, and surface features.

  2. 2

    Choose electromagnetic locating, GPR, sonde or traceable insertion based on material, access and ground conditions; use CCTV for internal condition evidence.

  3. 3

    Scan or trace the pipe route and mark field findings for site crews.

  4. 4

    Survey the detected alignment where the project requires mapped output.

  5. 5

    Hand over the investigated boundary, marks, methods, assumptions, limitations and any recommended exposure or further investigation.

Pipe locating outputs

  • Pipe alignment markings on site
  • Depth indicators where site conditions support them
  • CCTV footage or condition notes when internal inspection is included
  • Survey pickup and CAD, GIS or PDF output when included in the scope

Questions project teams ask

Can HR Utilities locate non-metallic pipes?

Sometimes. GPR or a traceable sonde or rod may provide useful evidence, depending on ground conditions, pipe size and depth, access and obstructions. If the evidence is not sufficient for the planned work, targeted physical exposure may be recommended.

Do I need CCTV inspection or pipe locating?

Use pipe locating when you need evidence of surface position and alignment. Use CCTV when you need a visual condition check inside an accessible pipe or drain. A camera can be paired with a sonde where both internal condition and surface position are required.

Can you map located pipes for design?

Survey pickup and CAD, GIS or PDF output can be included. Confirm the coordinate system, investigation boundary, quality notes and file format in the quote.

Ready for Precision Utility Mapping?

Expert utility locating services with BYDA certified precision.

Serving projects across Australia with advanced subsurface mapping solutions.