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Comcast Center

1701 John F. Kennedy Boulevard
Philadelphia PA United States

Construction Dates
Floor Count57
Floor Area165,000 m²
Building Uses
 - office
 - communication
 - conference
 - garden
 - mechanical
 - parking garage
 - restaurant
 - retail
Structural Types
 - highrise
Architectural Style
 - modern
 - glass
 - steel
 - concrete, reinforced

 Heights ValueSource / Comments 
Roof974 ftctbuh

• Architect: Robert A.M. Stern Architects LLP, Kendall/Heaton Associates Inc.
• Tenants & Incorporations: Liberty Property Trust, L.F. Driscoll Company, Hill International, Inc.

• It replaces the Sheraton Penn Center Hotel formerly stood on this site empty for years. This is today the tallest building in Philadelphia, surpassing One Liberty Place as well as Cleveland's Key Tower.

• This project has changed somewhat since it was first proposed in 2001. Initially, it was a 50 storey 223m tower and later incorporated a second smaller office building (Two Pennsylvania Plaza) within the same property. A previously Original design changed from a golden Kasota stone as an homage to the Philadelphia Museum of Art to this glassy tower.

• A later concept, unveiled in early 2004, called for the tower to rise to 293m at the peak of it pyramidal cap and reign as the city's new tallest. Speculation surrounding the project suggested that it could be made real through a large lease deal and Keystone Opportunity Zone (KOZ) tax incentives.

• The newest design, released in January 2005, eliminates the pyramidal cap and raises the height to over 297m (975 feet). Construction started in mid-january 2005 and was ready for occupancy starting in 2007. The design calls for a reinforced concrete (vertical) frame and steel floors. Floor heights vary from 4.6m (15') on the lower floors to 5.2m( 17') in the upper reaches.

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