World Trade Center, Tower One


New York, NY


Client: Tishman Construction Corporation

Owner: Port Authority of NY & NJ

Contract Duration: 2007-2013

Service Provided:
Cost Management: cost estimating

Project Controls: Change order management


ELLANA is providing cost estimating and project cost control services for the 2.6-million-square-foot, 102-story Tower One at the World Trade Center site. Services include assisting the Project Program Manager with independent estimate preparation for trade bid packages; bid reviews; estimate preparation for bulletins, addenda, and change orders; and tracking and updating budget costs. Tower One is being built according to World Trade Center Sustainable Design Guidelines and will, at a minimum, conform to the U.S. Green Building Council’s Leadership in Energy and Environmental Design (LEED®) standard.