Specialist Advice



GCG provides specialist advice on a wide variety of geotechnical works, including:

  • Underground road, rail, metro and service tunnels
  • Horizontal Directional Drilling (HDD)
  • Flood defences, Dams and embankments
  • Mine tailings
  • Onshore and offshore foundations
  • Slope design and stabilisation
  • Soil reinforcement and nailing
  • Ports, harbours, sea-outfalls, and pipelines
  • Power stations
  • Highways
  • Groundwater control


Members of GCG have also served as expert witnesses on these types of construction.