The Domain Tunnel is approximately 371 metres in length and serves as an essential transport link for the Cross Harbor Tunnel and is located under the Botanic Gardens on the Cahill Expressway Sydney.

Client  Roads & Martime Services
Contract Value  $3 Million
Services  Design & Construct
Branch Sydney Region
Service & Maintenance

Star Group provided the electrical services of the project, which consisted of services for the upgrade to new electrical installation systems that comply with the new standards and regulation as far as the physical tunnel construction and limitation allows.

Star Group’s services provided on the project included:

  • Motors
  • Variable Speed Drives
  • Uninterruptable Power Supplies
  • PLC / SCADA system
  • Communications Distribution
  • Earthing Systems
  • Lighting and Lighting Controls Systems
  • Dry Fire equipment
  • Ventilation
  • Removal, demolition, diversion and disposal of redundant installations
  • Temporary switchboards; and
  • Project Management.