In April 2016, Aluminium Bahrain (Alba) announced that Bechtel had been appointed engineering, procurement, and construction management (EPCM) contractor for the company's Line 6 Expansion Project. The initiative will make Alba the world's largest single-site aluminum smelter upon completion, boosting production to 1.5 Mtpa.[138] That same month, Rio Tinto announced that Kitimat had reached full production levels of 420,000 tonnes per annum,[139] while Las Bambas achieved commercial production in July 2016.[140] As of 2016, Bechtel is advancing the Amrun bauxite initiative for Rio Tinto in Australia, which announced project approval in November 2015.[141]