Tower 4

Conceptual DesignSeptember 6, 2006
Schematic DesignMarch 1, 2007
Design DevelopmentJuly 1, 2007
Foundation ConstructionJanuary - July 2008
Construction DrawingsApril 1, 2008
Superstructure to Ground LevelJuly 2008 - January 2009
Structural Steel ErectionJanuary 2009 - September 2010
Structural Concrete Tower Core & SlabMarch 2009 - November 2010
Core and Shell WorkSeptember 2009 - December 2011
Curtain WallNovember 2009 - March 2011