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About Request a Quote 1300 032 730
SUI · Wollongong, NSW

Subsurface Utility Investigation Wollongong.

SUI services across the Illawarra, from Wollongong to Shellharbour and the South Coast. No job too small. No project too large. From small contractors to tier-one infrastructure.

Request a Quote Call 1300 032 730
Transport for NSW Accredited
Sydney Water Accredited
CERTLOC Certified
AS 5488-2022 (QL-A to QL-D)
NULCA & Rail Industry Worker
SUI Capabilities in Wollongong

Six capabilities, one verified picture.

The same accredited crew and AS 5488-2022 report across Wollongong 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-DLearn more →
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 · BIMLearn more →
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-ALearn more →
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-freeLearn more →
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 diaLearn more →
06 · Report

Additional Subsurface Reporting

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

USTs · voids · forensicLearn more →
Request a Quote

SUI on your next Wollongong site.

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

Talk to our SUI team