Notable Features
- The roof of Citigroup Center slopes at a 45-degree angle because it was originally intended to contain solar panels to provide energy. However, this idea was eventually dropped because the positioning of the angled roof meant that the solar panels would not face the sun directly.
- To help stabilize the building, a tuned mass damper was placed in the mechanical space at its top. This substantial piece of stabilizing equipment weighs 400 tons (350 metric tons). The damper is designed to counteract swaying motions due to the effect of wind on the building and reduces the building's movement due to wind by as much as 50%. Citigroup Center was not the first skyscraper in the United States to feature a tuned mass damper. That distinction belongs to the John Hancock Tower in Boston, MA.
- The building features double-deck elevators, which are separated to serve only odd or even floors.
- The corporate headquarters of Citigroup, contrary to popular perception, are not located in the building, but across the street in 399 Park Avenue.
- The building is visible in numerous television shows and movies (often as part of a wider panoramic shot of New York City), notably during the opening credits of the long-running NBC police procedural and legal drama Law & Order.
- In 2002, one of the columns was reinforced with blast resistant shields of steel and copper as well as steel bracing to protect the building due to the possibility of a terrorist attack.
- From 1987 to 2009, the bank presented an annual toy train exhibition in the lower lobby.
Read more about this topic: Citigroup Center
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