HDD & Service Relocation Works

Completed HDD and civil works for the Heysen Tunnels Stage 2 project, including SAPN high voltage relocation, conduit installation, and excavation works, with zero safety or environmental incidents.

Heysen Tunnels Stage 2 infrastructure project in South Australia
Photo credit: Government of South Australia

DTI engaged Bench Directional Drilling & Civil for drilling work as part of the Stage 2 Heysen Tunnels project, including service upgrades and rock drilling.

Works undertaken

  • Successful installation of SAPN high voltage relocation via HDD and civil construction methodology
  • Installation of 8 x E110mm conduits under the newly built Eagle on the Hill fire water tanks
  • Excavation of joint bay in environmentally sensitive area completed
  • Zero safety or environmental incidents