Performance-based Retrofit of the United Nations Headquarters Campus

“Nestled along the East River in New York City, the United Nations Headquarters has long been admired as the physical embodiment of global diplomacy and collaboration.  Born from the ashes of World War II, the United Nations Headquarters was designed in 1947 by a collaborative, international team of esteemed architects including Le Corbusier, Wallace K. Harrison, and Oscar Niemeyer.  The campus’ resulting architectural achievements have endured as one of the most widely-recognized examples of 20th century International Style architecture, including the first glass curtain wall skyscraper in the United States.

After decades of wear and weather exposure, the buildings’ envelopes were performing poorly, and the iconic green glass of the Secretariat Tower had lost its transparency due to the application of reflective film.  In 2001, the United Nations started developing a master plan to renovate the campus for the next century.  Heintges & Associates was tasked with restoring the integrity of the facades for all six of the campus buildings.  To date, renovation has been completed on four: the Secretariat, General Assembly, Conference, and North Lawn Buildings.”

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