Supertall

JP Morgan’s Demolition of 270 Park Avenue Making Visible Progress in Midtown East

Demolition is moving along on JP Morgan Chase‘s 52-story headquarters at 270 Park Avenue. Formerly referred to as the Union Carbide Building, the financial company is in the midst of razing the 707-foot-tall mid-century skyscraper in order to make way for a 1,425-foot-tall, 2.5-million-square-foot supertall, which will be one of the tallest structures in New York City.

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One Vanderbilt’s Spire Reinstalled Atop Midtown East

Last week, the top half of One Vanderbilt‘s 100-foot-tall architectural spire was finally replaced at the pinnacle of the 77-story Midtown East supertall. The spire was first put in place when the 1,401-foot-tall skyscraper topped out on September 18, 2019, but was disassembled in mid-December to make it easier for the construction crane to swing about. The reinstallation marks a major construction milestone for the Kohn Pedersen Fox-designed office tower, which is getting close to completion.

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343 Madison Avenue. Illustration by Mtoltethys

Supertall Plans for 343 Madison Avenue Reveal New 55-Story and 1,050-Foot-Tall Office Tower, in Midtown East

Plans for 343 Madison Avenue in Midtown East unveil the substantial size and scope of the supertall to take the place of the former Metropolitan Transportation Authority (MTA) headquarters. Boston Properties is developing the project that would comprise 925,630 square feet and rise 1,050 feet tall, with Class A office space above ground-floor retail. The building would yield 5,357 square feet of retail space on the ground floor, 832,613 square feet of commercial office space above, and 84,593 square feet of dedicated mechanical space. The tower would sit on a podium 301 feet tall.

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Concrete Core of Norman Foster’s 50 Hudson Yards Approaches the Halfway Mark, in Hudson Yards

The reinforced concrete core of 50 Hudson Yards is approaching the midpoint of its ascent to the supertall’s 1,011-foot parapet. Designed by Norman Foster of Foster + Partners and developed by Oxford Properties and Mitsui Fudosan, the skyscraper will be the largest structure by volume in the first phase of Related Companies‘ Hudson Yards master plan, yielding 2.9 million square feet.

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