Attachment 1 to Statement 719 - Change the power plant from a single coal fired boiler to two circulating fluidized bed co-generation boilers - change to proposal approved on 26 October 2007.
Attachment 2 to Statement 719 - Increase the maximum production capacity to 4.7 million tonnes per annum - change to proposal approved on 26 February 2008.
Attachment 3 to Statement 719 - Clear 29 hectares of State forest for a lay down area for expansion-related plant and equipment and further stockpiling of overburden material for construction of bauxite residue disposal areas - change to proposal approved on 17 April 2008.
Attachment 4 to Statement 719 - Clear 16.5 hectares of State forest to expand freshwater lake at the bauxite refinery - change to proposal approved on 25 July 2008.
Attachment 5 to Statement 719 - Install an additional secondary crushing plant adjacent to the existing crushing facilities at Saddleback - change to proposal approved on 23 January 2009.
Attachment 6 to Statement 719 - Change to conveyor operations - change to proposal approved under s45C on 27 June 2011.
Attachment 7 to Statement 719 – Change to Sulphur Dioxide and Carbon Monoxide emissions – change to proposal approved under s45C on 30 April 2012.
Attachment 8 to Statement 719 - Increase in clearing within the Refinery Lease Area from 45.5 to 66.6 ha - change to proposal approved under s45C on 15 April 2016.
Attachment 9 to Statement 719 - Construction of a temporary water supply pipeline and associated pumping infrastructure from Wellington Dam to the Worsley Refinery which requires clearing of up to 2 ha of undisturbed native vegetation and up to 6 ha previously native vegetation within Wellington National Park - change to proposal approved under s45C on 30 November 2016.
Attachment 10 to Statement 719 - Conversion of the existing coal fired boilers to a natural gas fired facility (boilers) within the existing power and steam raising facilities at the Worsley Alumina Refinery. - change to proposal approved under s45C on 16 May 2023.
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