The proposal

The proposal by BHP Billiton for the development of a multi-component project including an open-cut mine, expanded processing facilities and associated infrastructure.

Assessment stages and documentation

Stage of assessment process



Declaration as major development

15 September 2005

Variation to declaration 14 December 2006

Variation to declaration 10 April 2008

Variation to declaration 21 August 2008

See notice in Government Gazette

Release of draft guidelines / issues paper

21 November 2005

Draft guidelines issues paper (1.8 MB PDF)

Public comment on draft guidelines / issues paper

21 November 2005 – 19 December 2005

Submissions available for viewing on request to Department of Planning and Local Government

Release of final guidelines (EIS level of assessment determined to be required)

13 February 2006

1 December 2008

Guidelines for an EIS - (382.5 KB PDF)

13 February 2006

Guidelines for an EIS Land outside indenture land (755.5 KB PDF)

NT guidelines NT transport options only (224.5 KB PDF)

Release of EIS by proponent for public comment

The public consultation period on BHP Billiton's draft environmental impact statement closed on Friday 7 August 2009

Environmental impact statement

Response by proponent to public and agency comment on EIS document

The Australian Government indicated to BHP Billiton on 21 April 2011 that, following an 'adequacy' review, its Supplementary EIS (SEIS) contained sufficient information for the Australian, South Australian and Northern Territory governments to formally assess the project, as required by the Commonwealth's Environment Protection and Biodiversity Conservation Act 1999. Supplementary Environmental Impact Statement

Assessment report by Minister

The South Australian Minister for Mineral Resource Development, as the Minister responsible for the Roxby Downs (Indenture Ratification) Act 1982, released the Assessment Report on 10 October 2011.Assessment Report (4.6 MB PDF)
Chapter 1 (88.3 KB PDF)
Chapter 2 (104.6 KB PDF)
Chapter 3 (146.6 KB PDF)
Chapter 4 (1.3 MB PDF)
Chapter 5 (449.5 KB PDF)
Chapter 6 (581.6 KB PDF)
Chapter 7 (445.4 KB PDF)
Chapter 8 (398.6 KB PDF)
Chapter 9 (340.5 KB PDF)
Chapter 10 (416.4 KB PDF)
Chapter 11 (333.6 KB PDF)
Chapter 12 (136.0 KB PDF)
Chapter 13 (195.3 KB PDF)
Chapter 14 (260.4 KB PDF)
Bibliography (71.3 KB PDF)
Acronyms (54.9 KB PDF)
Decision by Minister

The South Australian Minister for Mineral Resources Development, as the Minister responsible for the Roxby Downs (Indenture Ratification) Act 1982, approved the Olympic Dam Expansion Project, subject to 157 conditions, on 10 October 2011.

A variation to this approval was granted by the above Minister on 24 October 2013, 13 December 2015 and 8 August 2017.

See notices in the Government Gazette

Related information

On this site

Proposals currently being assessed

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Page last updated 5 November 2019

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