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Whitehaven Coal Limited : Annual Report 2010
8 OPEN CUT OPERATIONS The Gunnedah Operations include the Canyon (100% owned by Whitehaven), Tarrawonga (70% owned by Whitehaven), Rocglen (100% owned by Whitehaven), and Sunnyside (100% owned by Whitehaven) open cut mines and the Gunnedah coal handling and preparation plant and train load-out facility ("CHPP") (100% owned by Whitehaven). The Werris Creek Mine is 100% owned by Whitehaven. Whitehaven's open cut mines continued to perform well during the year. Work has been continuing to expand the mines to their combined design and permitted capacity of approximately 5.5 Mtpa of saleable coal. As part of this, a new Hitachi EX3600 excavator plus second hand Cat 785 rear dump trucks were delivered to Werris Creek mine in late December 2009. Other supplementary equipment including a drill, bulldozers, a grader and a front end loader were delivered in early 2010. An additional excavator was deployed initially at Werris Creek mine in February 2010 to boost overburden capacity and this machine was then moved permanently to Tarrawonga in late May 2010 to help increase Tarrawonga production to 2 Mtpa ROM. In conjunction with the mine expansion, the Gunnedah CHPP is undergoing a significant upgrade to facilitate treatment of increased tonnage of up to 3.5 Mtpa. The remaining 2.0 Mtpa saleable open cut coal will be crushed and loaded from the Werris Creek site. Both the open cut and CHPP expansions have been implemented to coincide with the ramp-up of port capacity at the NCIG loading facility in Newcastle, and the increased rail and train capacity becoming available as part of ongoing rail infrastructure upgrades. MANAGING DIRECTOR'S REPORT
Annual Report 2009
Annual Report 2011