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Playford Relocation and Transmission Line Diversions

Project detailsĀ 

Client: ElectraNet

Location: Port Augusta
Start: September 2008
Finish: December 2010
Contract Type: Engineer, Procure, Construct (EPC)
Contract Value: $43m


Portion 1 - Substation design, supply, construction and commissioning
Portion 2 - Transmission line design, supply, construction and commissioning
Portion 3 - Communications design, supply, construction and commissioning

This substation relocation scope included:

  • Construction of 160MVA transformer bays with associated 275kV plant
  • Construction of a new 132kV yard bench, which required in excess of 50,000 m3 bulk earthworks
  • Design, supply, installation and commissioning of the required 132kV plant at Davenport & Playford substations
  • Procurement, design, installation and commissioning of new protection and control systems, radio and fibre links between substations
  • On site refurbishment of 1 x 160MVA transformer

Overview of key contract successes and learnings

  • 58,000 man-hours of work to date with zero lost time injuries
  • Comprehensive internal design which led to minimised onsite issues due to the construction phase
  • Project controls ensured high levels of efficiencies on the project
  • Detailed planning and co-ordination reduces the effect of adverse weather and outage minimising
  • Project currently ahead of time and under budget