Walker and Gray Earthworks are able to mobilise to and complete projects in any area of Australia on a FIFO basis. From our base in Mount Gambier our staff are regularly engaged in projects throughout the entire South East region of South Australia and Western Victoria, metropolitan Adelaide and country New South Wales.

Walker and Gray are a progressive and mobile company and are more than willing to provide quotations and tenders for works in any location as required.

The following is a list of some current and previous projects successfully completed by Walker and Gray in recent years.

• Cadia East 132kv Duplicate Feeder Project – Orange, New South Wales.
  Directional Drilling and installation of multiple 225 and 125 OD conduits for new high voltage power feed for Newcrest Mining 'Cadia East' Gold Mine in Orange, NSW.
• HDPE Butt Welding of 4640 metres of 225mm Electrical Conduit for 'Cadia East' Project in Orange, NSW.
  
  
• Rio Tinto Northparkes Mine - Parkes, New South Wales.
  Directional Drilling and installation of 225mm and 100mm conduits for supply of HV power feed to new Learning and Training Centre within Rio Tinto Northparkes mine complex.
  HDPE Butt Welding of 225mm conduits on site for same project.
  
  
• National Broadband Network (NBN) – Willunga, South Australia.
  Directional Drilling and installation of communications conduit for the NBN first site rollout at Willunga, SA.
  
  
• Mount Gambier Sale yards Effluent Treatment Plant.
  Installation of 70 kilometres of Netifin Irrigation conduit & mainline water mains for the removal of waste water from the Mt Gambier / Glenburnie sale yards.
  
  
• Telstra Network Distribution Area Rehabilitation.
  D.A. Rehabs of Furner, Mil-Lel and Caroline distribution areas.
  
  
• Power Line Environment Committee Project.
  Undergrounding of existing high and low voltage power lines in the central business district of Mt Gambier for ETSA Utilities (PLEC) Project.
  
  
• Electronet Project.
  Undergrounding of existing power lines in various locations from the Mingbool Substation through to the substation in Snuggery (south of Millicent) for the Electronet / Wind Farm electrical project.
  
  
• New Subdivision work.
  Installation of 4 kilometres of new P100 conduit and the hauling of copper phone cabling for the new subdivision on Sherwin Rd & Kennedy Ave in Mt Gambier for Visionstream / Telstra.
  Installation of Telstra & ETSA conduits & cabling for the Cape Douglas Sub Division.
  
  
• Origin Energy Pipeline Replacement.
  Installation of renewed gas lines for Origin Energy throughout the South West region of Mount Gambier.
  
  
• ETSA Government Building Optical Fibre Upgrade.
  Installation of pits, pipe & optical fibre roll out for all government departments throughout Mount Gambier.
  
  
• Telstra Wideband Project.
  Hauling of optical fibre from the Telstra Exchange throughout Mount Gambier & fitting of cabinets for the wide band project.
  
  
• District Council of Grant Heavy Bypass.
  Relocation of existing Telstra conduits, pits, manholes & cabling on the Worrolong Rd heavy bypass project for the District Council of Grant.
  
  
• SA Water Infrastructure Upgrades.
  Installation of 100mm water mains in various locations including Millicent, Pinnaroo, Naracoorte, Meningie & Coonalpyn for SA Water.
  Upgrade of electrical conduit's for SA Water pumping station located in Beachport.