Tonkin Consulting

Olympic Dam

BHP Billiston

Olympic Dam

BHP Billiston

Roxby Downs Pre-Feasibility Study

The Roxby Downs Expansion Pre-Feasibility was undertaken over a six-month period during 2007 with a consultancy value in excess of $1 million.

Tonkin Consulting was a subconsultant to Arup responsible for all issues relating to water supply, wastewater collection, treatment and re-use and stormwater management within the township.

Technical Details

The project was undertaken in three phases:

  • development of base case scenario;
  • development and assessment of options; and
  • development of preferred option to enable a ±25% cost estimate to be developed.

Roxby Downs Council is responsible for the management of water supply and wastewater services within Roxby Downs.

The existing water supply system is pressurised from a pump station located to the north-west of the town.  This pump station provides a variable flow at constant pressure to a distribution network.  Hydraulic modelling of the base case and development options identified that the pump station would require upgrading as part of the growth of the Roxby Downs township. 

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