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3 World Trade Center

Conceptual Design	September 6, 2006
Schematic Design	March 1, 2007
Design Development	July 1, 2007
Foundation Construction	January - July 2008
Construction Drawings	April 1, 2008
Foundation Work Begins	July 2010
Foundation Reaches Grade	December 2011
Steel Tops Out	Winter 2013
Curtainwall Enclosure	Summer 2014