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In July 1978, a possible structural flaw was discovered in Citicorp Center, a skyscraper that had recently been completed in New York City. Workers quietly made repairs over the next few months. The building, now known as Citigroup Center, occupied an entire block and was to be the headquarters of Citibank. Its structure, designed by William ...
Reference no. 2582 [3] 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.
Austin J. Tobin Plaza. v. t. e. 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. The tower was located on a city block bounded by West Broadway, Vesey Street ...
The design and construction of the World Trade Center, most centrally its twin towers, involved many other innovative techniques, such as the slurry wall for digging the foundation, and wind tunnel experiments. Construction of the World Trade Center's North Tower began in August 1968, and the South Tower in 1969.
A New York City fireman calls for 10 more rescue workers to make their way into the rubble of the World Trade Center. The cleanup was a massive operation coordinated by the City of New York Department of Design and Construction. On September 22, a preliminary cleanup plan was delivered by Controlled Demolition, Inc. (CDI) of Phoenix, Maryland ...
270 Park Avenue, also known as the JPMorgan Chase Building, is a supertall skyscraper under construction on the East Side of the Midtown neighborhood of Manhattan in New York City. Designed by the firm of Foster + Partners, the skyscraper is expected to rise 1,388 feet (423 m) when completed in 2025. Photograph of immediate past building.
AIA Guide to NYC, p. 179 If Manhattan is the center of the city (of all five boroughs), then Midtown Manhattan is the center of the hub. "Here are most of the elements one expects to find in a city core: the major railroad and bus stations, the vast majority of hotel rooms, the biggest stores, the main public library and post office. All are located in Turtle Bay." Architecture Roche-Dinkeloo ...
Nonetheless, the World Trade Center's structural engineers ended up following draft versions of New York City's new 1968 building codes. [ 63 ] The framed-tube design, introduced in the 1960s by Bangladeshi-American structural engineer Fazlur Rahman Khan , [ 64 ] was a new approach that allowed more open floor plans than the traditional design ...