Sydney (02) 8783 8200 | Brisbane – (07) 3803 0600Sydney - | Brisbane –

Geotechnical Engineering


Ground Technologies Pty Ltd (GTECH) is a leading provider of Geotechnical engineering, soil testing, and Environmental services with over 25 years of experience, providing clients with practical solutions through the successful integration of industry experience, innovative practices, and technical excellence.

GTECH’s in-house NATA-accredited soils testing (construction material testing) laboratory provides tangible benefits and savings for our clients by reducing turnaround times and prioritizing analysis depending on project requirements. By eliminating the dependence on third-party laboratories, our current clients experience significant cost and time savings. Additionally, using drilling equipment including our 4WD mounted drill rig our drilling team has gained a reputation for providing high-quality soil samples to Clients, as well as undertaking thorough geotechnical and environmental assessments.

GTECH’s geotechnical services team consists of highly skilled, experienced, and professionally qualified geologists and geotechnical engineers. The Geotechnical team has extensive experience providing practical and robust geotechnical investigations, design evaluation, and advice during construction, including supervision and project management for the full range of geotechnical services on major civil engineering projects in Sydney Metropolitan.


  • Infrastructure feasibility studies.
  • Geotechnical investigations, analysis, and design services for a range of building structures (industrial, commercial, and residential) and infrastructure projects Roads and railways including pavements, cut/fill embankments, cuttings, bridges, and tunnels.
  • Geotechnical slope risk assessments in accordance with the requirement of the Geotechnical Risk Management policy for Pittwater (2009) and Landslide risk assessment and management using Australian Geomechanics guidelines given in AGS 2007c.
  • Lot/site classification and residential and industrial subdivision.
  • Cone Penetration Testing (CPT), interpretation, and reports.
  • Pavement investigation and pavement thickness design using computer software, in-house Deflection Test (Benkelman Beam testing), and test truck.
  • Infiltration/Hydraulic Conductivity investigation.

  • Pile/pier drilling supervision and certification.
  • Shallow footings (Pad/strip footings) inspections.
  • Excavated rock cut face assessment and remediation advice.
  • Stability assessment of soil cut batters.
  • Rock slope mapping and assessment of face support requirement.
  • Rock bolt/anchor design verification, installation, and proof testing supervision.
  • Compaction monitoring and field density testing including Level 1 and 2 Geotechnical Inspection and testing in accordance with AS 3798 – 2007.
  • Piling platform and crane pad assessments and design.
  • Pile construction verification and bearing capacity assessments.
  • Earthworks proof rolling and ground improvement assessments.
  • Dilapidation reporting.