Project Start Date

June 2015

Project Completion Date

December 2015


Ausnet Services

Comdain's Role

Service Provider



Design and construction of a 5.5km 200mm diameter high pressure (HP) steel gas main along Taylors Road and Leakes Road in Rockbank, Victoria.

Works Undertaken

  • Manage design of gas main and obtain approvals from regulatory authorities for design alignment and construction,
  • Supply and Installation of 5.5km of 200mm diameter HP gas main by open-cut along existing and future Taylors Road at depths of up to 2.5m in rocky ground conditions
  • Protection of Growling Grass Frogs in the vicinity of Kororoit Creek during gas main construction by open-cut method


Highlights & Innovations

  • Significant Cultural Heritage site (native vegetation, Growling Grass frog habitats) in the vicinity of Kororoit Creek and dry stone walls located in the works corridor
  • Comdain collaborated with local council to develop alternative alignment that minimised potential impact on dry stone walls and aid constructability
  •  Portable welding tents utilised to reduce risk of grassfire and provide additional protection to public in dry paddocks during Fire Danger period
  • Project completed with zero LTIs, MTIs and zero environmental incidents
  • Received positive feedback from client:
    “I would attribute the good result to Comdain’s Project Management Team who come to progress meetings well prepared and ensures all issues are covered and understood by everybody.”