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Citicorp accepted LeMessurier's proposal to weld steel plates over the bolted joints, and Karl Koch Erecting was hired for the welding process. [31] Very few people were made aware of the issue, besides Citicorp leadership, mayor Ed Koch, acting buildings commissioner Irving E. Minkin, and the head of the welder's union. [20] [31]
The Citigroup Center (formerly Citicorp Center and also known by its address, 601 Lexington Avenue) is an office skyscraper in the Midtown Manhattan neighborhood of New York City. Built in 1977 for Citibank , it is 915 feet (279 m) tall and has 1.3 million square feet (120,000 m 2 ) of office space across 59 floors.
Collapsed after being struck by United Airlines Flight 175: 630-1,000 Structural damage, fires ignited by jet fuel weakened the tower's steel beams, eventually causing a progressive collapse. [4] Marriott World Trade Center [5] Lower Manhattan, New York City 1981 Destroyed Sustained heavy damage in the collapse of 1 and 2 World Trade Center 54+
LeMessurier is perhaps best known for his role during the Citicorp Center engineering crisis, when he secretly reassessed his calculations on the Citicorp headquarters tower in New York City after the building had been finished in 1977.
7 World Trade Center (7 WTC, WTC-7, or Tower 7), colloquially known as Building 7 or the Salomon Brothers Building, was an office building constructed as part of the original World Trade Center Complex in Lower Manhattan, New York City.
People inside both the North and South towers of the World Trade Center hung on for dear life after the planes hit on 11 September. According to New York Magazine, 2,016 people died who worked in ...
People walk in the street in the area where the World Trade Center buildings collapsed September 11, 2001, after two airplanes slammed into the twin towers in a suspected terrorist attack ...
A 2008 incident involving a scaffold collapse 47 floors over Manhattan, which occurred only months after Tractel repaired the faulty equipment, resulted in the death of one of two window washers ...