270 Park Avenue Manhattan, also known as the JPMorgan Chase Building, is a 60-story skyscraper in the Midtown Manhattan neighborhood of New York City. Rising to 1,388 feet, the building replaced the Union Carbide Building, which was demolished in 2021.
Upon its completion in 2025, it became the global headquarters for JPMorgan Chase, featuring 2.5 million square feet of office space and setting a record as the tallest building in New York powered by hydroelectric energy.
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General ContractorAECOM Tishman
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Customer/OwnerJP Morgan Chase
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EngineerSeverud Associates Consulting Engineers, PC
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Specialty SubcontractorFreyssinet, Inc.
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Project DurationJune 2020-July 2021
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LocationNew York, New York
Freyssinet's Mission
Freyssinet was contracted to design and supply post-tensioning systems to strengthen the building’s foundation. The prestressing loads were applied to counter the tensile stresses due to external loads using multiple strand tendons at various locations.
Freyssinet devised, tested, and applied innovative solutions to properly apply these forces to the structure. Freyssinet partnered with local specialists to develop accurate long-term loss calculations, post-tensioning shop drawings, and provided technical assistance to install, stress and grout the tendons.
Key Success Factors
We played a crucial role in strengthening the structural integrity of 270 Park Avenue. Our precision-engineered approach ensures the skyscraper’s long-term stability as it rises to become the tallest hydroelectric-powered building in New York and the global headquarters of JPMorgan Chase.
Post-Tensioning Systems
Building Solutions
Post-Tensioning Systems
Building Solutions
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