The Burj Khalifa tower project in Dubai aimed to build the world's tallest skyscraper at a cost of $1.5 billion. It was developed by Emaar Properties and constructed by a joint venture including Samsung, Besix, and Arabtec. Over its six-year construction from 2004 to 2009, the tower reached various milestones and set new records, including topping out at 828 meters tall and 164 floors upon completion. The project finished on schedule and on budget.