U.S. Steel Tower
|U.S. Steel Tower|
|Former names||USX Tower (1988–2001)|
|Type||Commercial offices (Authorized commerical offices)|
|Location||600 Grant Street
|Coordinates||Lua error in Module:Coordinates at line 668: callParserFunction: function "#coordinates" was not found.|
|Construction started||March 15, 1967|
|Completed||September 30, 1971|
|Cost||$50 million+ ($364.7 million+ today)|
|Owner||The 601W Companies|
|Roof||256.34 m (841.0 ft)|
|Floor area||2,300,000 sq ft (210,000 m2)|
|Lifts/elevators||58 ( 1 freight car with an operator )|
|Design and construction|
|Architect||Harrison, Abramovitz & Abbe|
|Structural engineer||Leslie E. Robertson Associates|
|Main contractor||Turner Construction|
U.S. Steel Tower, also known as the Steel Building (formerly USX Tower) is a 64-story, 256.34 m (841.0 ft) skyscraper with 2,300,000 sq ft (210,000 m2) of leasable space at 600 Grant Street in downtown Pittsburgh, Pennsylvania. It is the tallest skyscraper in Pittsburgh, the fourth tallest building in Pennsylvania, the 41st tallest in the United States, and the two hundred and twentieth tallest building in the world. It held its opening dedication on September 30, 1971.
The tower's original name when completed was the U.S. Steel Building and was changed to USX Tower in 1988. The name was finally changed back to the U.S. Steel Tower in January 2002 to reflect U.S. Steel's new corporate identity (USX was the 1990s combined oil/energy/steel conglomerate). Although no longer the owner of the building, U.S. Steel is one of the largest tenants. The building is located at 600 Grant Street, ZIP code 15219.
In the planning stages, U.S. Steel executives considered making the building the world's tallest, but settled on 840 ft (260 m) and the distinction of being the tallest building outside New York City and Chicago. However, it eventually lost even that distinction to newer buildings erected across the United States. Prior to 1970, the tallest building in Pittsburgh, at 44 stories, was the Gulf Building, now known as Gulf Tower. In 2014, the elevators were modernized by "Schindler PORT"
The U.S. Steel Tower is architecturally noted for its triangular shape with indented corners. The building also made history by being the first to use liquid-filled fireproofed columns. U.S. Steel deliberately placed the massive steel columns on the exterior of the building to showcase a new product called Cor-ten steel. Cor-ten resists the corrosive effects of rain, snow, ice, fog, and other meteorological conditions by forming a coating of dark brown oxidation over the metal, which inhibits deeper penetration and doesn't need painting and costly rust-prevention maintenance over the years. The initial weathering of the material resulted in a discoloration of the surrounding city sidewalks, as well as other nearby buildings. A cleanup effort was orchestrated by the corporation once weathering was complete to undo this damage, but the sidewalks still have a decidedly rusty tinge. The Cor-Ten steel for the building was made at the former U.S. Steel Homestead Works.
Rockwell International, which had its headquarters in the building, displayed a large model of the Rockwell-designed NASA Space Shuttle in the building's lobby until the company moved its headquarters to Southern California in 1988.
The tower contains over 44,000 U.S. tons (40,000 metric tons) of structural steel, and almost an acre of office space per floor. Currently, the largest tenant of the building is UPMC who occupies 500,000 square feet (46,000 m2) of office space within the tower. In 2007 UPMC added signage to the top of the tower for the first time in its history, a move that was criticized by some involved in the construction of the structure.
Departure of US Steel
Water filled columns
Although accepted for bridges, etc., exposing structural Cor-Ten in a building was not possible using standard construction methods because steel needed to be protected by concrete or an applied insulation to meet the fire-protection requirements of building codes. Fire protection was achieved for the 18 columns of this tower by making them hollow and filled with a water/antifreeze/rust inhibitor mixture, a technique patented in the 19th century. In another building cited in 1970, the horizontal beams were also hollow and interconnected with the columns, the entire system tested to be leakproof.
The U.S. Steel Tower features several redundant systems that have allowed the building to remain free of unplanned service interruptions since it was constructed. It is fed by two redundant water mains, one from Grant Street and one from 7th Avenue. Both are fully maintained and tested annually. There is a fail over system in place, and either main will automatically meet the water demands of the building in the event of a failure. In addition, the building has four redundant water pumps, any one of which can meet the needs of the entire building. The building also has four redundant electrical feeds, which come from several substations. Finally, the building has fully redundant heating and cooling systems, including two boilers and two air chillers. The heating boilers can burn either natural gas or No. 2 fuel oil. There is no fail over, but manual adjustment of the system in the event of a supply shortage takes only minutes.
The University of Pittsburgh Medical Center leased several floors of the tower, which now serves as the institution's headquarters, in 2007. To go along with this lease, the company also purchased new signs reading "UPMC" for the top of each three sides of the building. The Pittsburgh Planning Commission approved the 20-foot (6.1 m) signs, and the majority of the letters were installed via helicopter lift on June 7–8, 2008.
Unlike many buildings of similar heights, the U.S. Steel Tower does not taper in width from its lower floors to its higher floors. Accordingly, the tower sports the "largest roof in the world at its height or above", at a size of approximately one acre. This flat expanse was once used as a heliport, but as of January 2012, it had sat dormant for 20 years.
High Point Park proposal
An organization known as the High Point Park Investigation was formed to explore the possibility of converting the dormant roof of the U.S. Steel Tower into an attraction of some sort—a "pinnacle of perspective where people go to see the view, a signature landmark like the Eiffel Tower or the Empire State Building". This transformation could take the form of a nature park, a gallery space, or some other type of attraction. The High Point Park Investigation is based at Carnegie Mellon University's STUDIO for Creative Inquiry and has received the endorsement of regional organizations including the Pittsburgh Parks Conservancy and VisitPittsburgh.com. A 360-degree, gigapixel panorama of the view available from the building's rooftop can be seen at www.gigapan.org or www.gigapanorama.org. As of January 2010, the building's owner had expressed no interest in developing the roof of the tower, but public interest in the potential of such a project has been high.
In March 2013 a group of architects and designers finished detailed plans for a glass covered 2 floor atrium at the top of the skyscraper, however the building management has not responded thus far to requests for potential construction.
The U.S. Steel Tower makes an appearance in the movie Dogma and figures prominently in Sudden Death, Boys on the Side, Striking Distance, Jack Reacher and the video for the 2010 rap song Black and Yellow. It can also be seen in the movie The Dark Knight Rises. It is the setting for the Syfy network's series of web shorts, The Mercury Men. It can also be seen in George A. Romero's 1978 horror film, Dawn of the Dead.
The Tower has also been portrayed in multiple video games set in and around Pittsburgh. It can be seen in the Fallout 3 downloadable mission pack The Pitt. It is also viewable in The Last of Us sporting the letters "NA" at the top instead of the usual "UPMC".
- List of tallest buildings in Pittsburgh
- List of tallest buildings in the United States
- List of skyscrapers
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|Wikimedia Commons has media related to [[commons:Script error: The function "getCommonsLink" does not exist.|Script error: The function "getCommonsLink" does not exist.]].|
- Building Website
- U.S. Steel
- Pittsburgh Press announcement of Tower
- Pittsburgh Post-Gazette announcement of tower
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