Olympic Dam Tailing Storage Facility Valve Station


URS for BHP Billiton


Olympic Dam, SA



Contract Value


Start Date

September 2010

Completion Date

August 2011
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The construction of a new 265 hectare Tailings Storage Facility, TSF5 includes a Tailings Distribution System (TDS) where the tailings from the ore processing plant are distributed into the storage facility in a controlled sequence. This system comprises of several kilometres of HDPE and HDPE lined steel pipe complete with a valve station controlling flows through the system.

Decmil was contracted to supply all labour, material, tools, plant, equipment and secondary subcontract services required to complete the following works:

  • Fabrication and erection of structure, overhead cranes and platforms;
  • Installation of HDPE-lined CS piping and knife valves
  • Fabrication of HDPE pipelines within the valve station and to the EP5 evaporation pond
  • Electrical and Instrumentation including valve automation, lighting, CCTV and pumps
  • Installation and alignment of pumps

The project team worked collaboratively with the client to overcome a number of logistical challenges to meet the target commissioning date.

The team delivered an injury free project.

Delivering solutions.

We are committed to outstanding project management and delivery regardless of the scale or the intricacy of the work.