WebOct 7, 2024 · October 7, 2024 3:31pm. The New York skyline in the 1920s. The New York Historical Society/Getty Images. When the 59-story Citicorp Center was built in 1977 in … WebLeMessurier tried to take comfort from another element of Citicorp's advanced design: the building's tuned mass damper. This machine, built at his behest and perched where the bells would have been if the Citicorp tower had been a cathedral, was essentially a four-hundred-and-ten-ton block of concrete, attached to huge springs and floating on a ...

AD Classics: Citigroup Center / Hugh Stubbins

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 to house the headquarters of Citibank, it is 915 ft (279 m) tall and has 59 floors with 1.3×10 sq ft (120,000 m ) of office space. The building was designed by architect Hugh Stubbins, associ… WebMay 29, 1995 · In 1978, William J. LeMessurier, one of the nation’s leading structural engineers, discovered after Citicorp Center was completed and occupied, conceptual errors pertaining to joint weakness, tension, and wind force. Alarmed by the magnitude of the errors and the danger they presented, LeMessurier acknowledged the flaws, … crystal\\u0027s ed

Design Flaw, that Almost Wiped Out an New York City Skyscraper

The Citicorp Center engineering crisis was the discovery, in 1978, of a significant structural flaw in Citicorp Center, then a recently completed skyscraper in New York City, and the subsequent effort to quietly make repairs over the next few months. The building, now known as Citigroup Center, occupied an entire … See more The Citigroup Center, originally known as Citicorp Center, is a 59-story skyscraper at 601 Lexington Avenue in the Midtown Manhattan neighborhood of New York City. It was designed by architect Hugh Stubbins as the … See more In June 1978, Princeton University engineering student Diane Hartley was writing her senior thesis about Citicorp Center's design at … See more Since no structural failure occurred, the work was only publicized in a lengthy article in The New Yorker in 1995. The 1995 story in The New Yorker described the student as a "young man, whose name has been lost in the swirl of subsequent events" who called … See more • Morgenstern, Joseph (May 25, 1995). "The Fifty-Nine-Story Crisis". The New Yorker. pp. 45–53. • Postal, Matthew A. (December 6, 2016). "Citicorp Center" (PDF). See more LeMessurier agonized over how to deal with the problem. If the issues were made known to the public, he risked ruining his professional reputation as well as causing panic in the immediate area surrounding the building, as well as to occupants. LeMessurier … See more According to the American Institute of Architecture Trust case study, "many have viewed the actions of LeMessurier as nearly heroic, and many engineering schools and ethics educators now use LeMessurier's story as an example of how to act ethically." … See more WebAug 3, 2010 · The Infrastructurist. A product of rushed and poor construction, one of the buildings at the Lotus Riverside complex in Shanghai collapsed on June 27, 2009, killing one worker and shocking the ... WebNov 16, 2024 · What happened to the Citibank building NYC? ... the skyscraper’s chief structural engineer, William LeMessurier, discovered a potentially fatal flaw in the building’s design: the skyscraper’s bolted joints were too weak to withstand 70-mile-per-hour wind gusts. ... Our global headquarters is located in New York City, and Citi’s tens-of ... crystal\u0027s ed