According to ABC News, the Thiess Sedgman Joint Venture will design, procure, construct and commission the plant on behalf of Macarthur with it due for completion by mid-2013 a year and a half after mining operations commence. Sedgman’s relationship with Macarthur Coal spans 12 years starting with building the coal handling and preparation plant for Coppabella mine and then for the Moorvale and Middlemount mines.