House of Assembly Fifty-Second Parliament, Second Session (52-2) 52 2 Parliament of South Australia House of Assembly published Answers to Questions Answers to Questions BHP Billiton BHP BILLITON In reply to Ms CHAPMAN House of Assembly Bragg Deputy Leader of the Opposition BHP BILLITON In reply to Ms CHAPMAN (Bragg—Deputy Leader of the Opposition) (20 June 2012) (Estimates Committee B). The Hon. A. KOUTSANTONIS House of Assembly West Torrens Minister for Transport and Infrastructure Minister for Mineral Resources and Energy Minister for Housing and Urban Development BHP BILLITON The Hon. A. KOUTSANTONIS (West Torrens—Minister for Transport and Infrastructure, Minister for Mineral Resources and Energy, Minister for Housing and Urban Development): I have been advised: The Department of Planning, Transport and Infrastructure (DPTI) is invoicing BHP Billiton on a monthly basis for the Port Augusta to Olympic Dam Shoulder Sealing Project. The final invoice is due March 2013. BHP Billiton's decision regarding the Olympic Dam Expansion has not impacted its commitment to the shoulder sealing project.