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SUI · Greater Western Sydney, NSW

Subsurface Utility Investigation Greater Western Sydney.

Utility locating and survey across Greater Western Sydney and the Western Parkland City growth corridor. No job too small. No project too large. From small contractors to major infrastructure.

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TfNSW & Sydney Water Accredited
CERTLOC Certified
AS 5488 · QL-A to QL-D
NULCA Member
Small Contractors to Tier One
Working in Greater Western Sydney

What the ground is like, and who owns what.

Greater Western Sydney covers the whole Western Parkland City, from Penrith and the Hawkesbury down through Blacktown, Parramatta, Fairfield and Liverpool to Campbelltown. Western Sydney International Airport, the Aerotropolis at Bradfield, Sydney Metro West and the Western Sydney Airport line, the M12 and the Northern Road upgrades are laying new trunk infrastructure through farmland while the established centres rebuild around their stations.

The common factor is the ground: Wianamatta shale and the reactive clays of the Cumberland Plain, which absorb ground penetrating radar within a metre. Western Sydney locates therefore lean on electromagnetic tracing, sondes and vacuum excavation to QL-A, and our reports say which method proved each asset. Endeavour Energy supplies most of the electricity, Sydney Water the water and sewer, Jemena the gas, and Transport for NSW the motorway, highway and rail corridors.

Services in Greater Western Sydney

Six capabilities, one verified picture.

The same accredited crew and AS 5488-2022 report across Greater Western Sydney and NSW, whether it's a single locate or a tier-one program.

01 · Locate

Utility Locating (EM & GPR)

Detection, tracing and marking of underground services using electromagnetic and ground-penetrating radar, to the accuracy each site demands.

EM · GPR · QL-A to QL-DLocate in Greater Western Sydney →
02 · Survey

Utility Survey & Mapping

Engineering-grade utility survey and drafting to AS 5488-2022, delivering 12D/DWG models, BIM-ready 3D strings and GDA2020 deliverables.

12D · DWG · GDA2020 · BIMSurvey in Greater Western Sydney →
03 · Verify

Non-Destructive Excavation

Safe vacuum potholing to positively identify services and achieve the highest Quality Level (QL-A), without damaging the asset.

Vacuum potholing · QL-AVerify in Greater Western Sydney →
04 · Scan

Concrete Scanning & Inspection

GPR concrete imaging before cutting, coring or drilling. Locates rebar, post-tension cables, conduits and voids. Radiation-free, no site shutdown.

GPR · radiation-freeScan in Greater Western Sydney →
05 · Inspect

CCTV & Drainage Investigation

Push-rod and crawler camera inspection, connectivity mapping and condition reporting for pipes up to 2 m in diameter.

Push-rod · crawler · to 2m diaInspect in Greater Western Sydney →
06 · Report

Additional Subsurface Reporting

USTs, concrete substructures, voids and rock seams, plus unmarked-grave, forensic and archaeological investigations.

USTs · voids · forensicReport in Greater Western Sydney →
FAQ

Utility locating in Greater Western Sydney: common questions.

Do you work on the Western Sydney Airport and Aerotropolis projects?

Yes. We locate and survey for civil contractors, designers and utility providers across the airport precinct, the M12, the Northern Road and the Aerotropolis, delivering to the Transport for NSW SUI specification.

Why does GPR struggle in Western Sydney?

The clay soils are conductive and wet for much of the year, which absorbs the radar signal. We use GPR where there is sandy fill or concrete to scan, and electromagnetic locating with potholing everywhere else.

Who supplies the services in Western Sydney?

Endeavour Energy for electricity across most of the region, Sydney Water for water and sewer, Jemena for gas, Telstra and NBN Co for communications and each local council for stormwater, with Transport for NSW owning the motorway and rail corridor assets.

Can you support a multi-site program across the west?

Yes. Corridor work, subdivision programs and utility renewal across several councils are scheduled with the client and issued in stages, with one datum and one drafting standard across every site.

Nearby

Also covered from the same crew.

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SUI on your next Greater Western Sydney site.

Send us the site and program. We come back with a same-day quote and deliverables to suit.

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