2008 - Dubai, U.A.E.
The Pentominium is a 122-storey, 1,693 ft supertall skyscraper on hold in Dubai, United Arab Emirates. It was designed by Andrew Bromberg of architects Aedas and funded by Trident International Holdings.
The AED 1.46 billion (US$400 million) construction contract was awarded to Arabian Construction Company (ACC). The Pentominium has one of the deepest excavations done in the world, performed by Swissboring Overseas Piling Corp.
If completed, the Pentominium Tower would be the second tallest building in Dubai after Burj Khalifa, and the tallest residential building in the world.