Accredited utility locating, engineering-grade survey, non-destructive excavation and concrete scanning. A complete, verified picture of what lies below ground.
From a single locate for a local contractor through to the largest tier-one infrastructure programs. The same accredited crew, the same AS 5488-2022 report.
LCG is a professional surveying and subsurface utility investigation consultancy and an accredited provider for Transport for NSW and Sydney Water. Our SUI service combines accredited locating with engineering-grade survey and drafting to reduce risk, protect critical assets and support confident design and construction decisions.
Locating, survey, drafting and reporting delivered in-house and classified to AS 5488-2022.
Detection, tracing and marking of underground services using electromagnetic and ground-penetrating radar, to the accuracy each site demands.
Engineering-grade utility survey and drafting to AS 5488-2022, delivering 12d/DWG models, BIM-ready 3D strings and GDA2020 deliverables.
Safe vacuum potholing to positively identify services and achieve the highest Quality Level (QL-A), without damaging the asset.
GPR concrete imaging before cutting, coring or drilling. Locates rebar, post-tension cables, conduits and voids. Radiation-free, no site shutdown.
Push-rod and crawler camera inspection, connectivity mapping and condition reporting for pipes up to 2 m in diameter.
USTs, concrete substructures, voids and rock seams, plus unmarked-grave, forensic and archaeological investigations.
Every investigation is planned to a clear methodology, all classified and reported to AS 5488-2022 for a transparent, defensible record of data confidence.
Desktop research and Before You Dig Australia (BYDA) enquiries to build the picture before we mobilise.
Complementary field locating with electromagnetic and GPR methods, marked on site.
Quality-controlled survey pick-up and drafting to the required Quality Level.
All data classified and reported to AS 5488-2022 for a defensible record of data confidence.
From design and pre-construction utility clearance to damage prevention on complex, congested sites.
Talk to the LCG Subsurface Utility Investigation team about your site, program and deliverables.