Chevy Chase Center ( 460, 000 Sq. Ft. ) Dwight D. Eisenhower Executive Office Building ( 600, 000 Sq. Ft. ) Contract for New Chinese Chancery GHT and Pei Partnership Awarded Contract for New Chinese Chancery... IMF HQ-2 Design Underway GHT, Pei Cobb Freed and Partners, and WDG File Permit Documents for IMF HQ-2... GHT Limited 1010 N. Glebe Rd., Suite 200 Arlington, Virginia 22201-4749 PH: 703 ...