Attachment 1 to Statement 712 - Mining below the watertable within Orebody Pit 1 to a depth below the watertable of approximately 30 metres. The pit will be backfilled to 5 metres above the watertable with waste material at the cessation of mining activities - s45C change to proposal approved on 11 June 2008.
Attachment 2 to Statement 712 - Change OB25 mine operation life until 2018 to mine additional ore from Pit 3 and portion of Pit 1 (i.e. Pit 1 East) - s45C change to proposal approved on 2 October 2009.
Attachment 3 to Statement 712 - Increase in disturbance area and development envelope – change to proposal approved under section 45C on 19 September 2012.
Attachment 4 to statement 712 - Changes to water supply, water demand and water supply source; removal of elements that are not key characteristics - s45C change to proposal approved on 12 October 2015.