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270 Park Avenue

JPMorgan Chase’s Supertall Headquarters Continues Construction at 270 Park Avenue in Midtown East, Manhattan

Superstructure work is continuing for 270 Park AvenueJPMorgan Chase‘s upcoming 1,388-foot, 70-story supertall headquarters in Midtown East and number four on our year-end construction countdown. The project spans a full block between Park and Madison Avenues and 47th and 48th Streets, and will yield 2.5 million square feet of office space.

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Extell Files Permits For 1,100-Foot Supertall at 570 Fifth Avenue In Midtown, Manhattan

At number five on our year-end countdown is 570 Fifth Avenue, a mixed-use skyscraper in Midtown. Last week it was revealed that Extell filed permits to develop a ground-up structure with a maximum architectural height of 1,100 feet and 78 floors, making it a potential supertall structure standing on a 43,011-square-foot corner plot bound by Fifth Avenue and West 46th Street. The parcel itself has been sitting cleared and vacant for quite some time, but that will soon change as plans for this latest skyscraper get underway. No architect has been revealed for the project, or what interior functions will be housed inside, though a series of zoning and massing diagrams and ground-floor plans give us an idea about the scale of this mammoth edifice.

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328 East 61st Street Completes Construction on Manhattan’s Upper East Side

Construction is now finished on 328 East 61st Street, a six-story office building for Memorial Sloan Kettering on Manhattan’s Upper East Side. Designed by Daniel Goldner Architects and developed by LaSalle Investment Management, the low-rise edifice is located between First and Second Avenues with an architectural height of 82 feet tall and 72 feet to its roof. Inside the reinforced concrete structure is 61,740 square feet of newly built space, of which 49,750 square feet is dedicated to community facilities. William Macklowe Company recently sold its interest in the building for $95 million in mid-July. Cauldwell Wingate was the general contractor, DeSimone Consulting Engineers was the structural engineer, and 2L Engineering, D.P.C. handled the MEPs for the project.

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Demolition Begins for KPF-Designed Office Supertall at 343 Madison Avenue in Midtown East, Manhattan

Demolition work is ramping up at 343 Madison Avenue, the site of a 1,050-foot commercial supertall in Midtown East and number seven on our end-of-year countdown. Designed by Kohn Pedersen Fox and developed by Boston Properties, the 55-story structure will rise from a 25,000-square-foot rectangular site between East 44th and 45th Streets that is currently occupied by a 15-story building that formerly housed the Metropolitan Transportation Authority headquarters. The new tower will yield 832,613 square feet of office space, 5,357 square feet of retail space, and 5,357 square feet of subterranean circulation paths to Grand Central Terminal and the future East Side Access project. Rezoning plans for 343 Madison Avenue were approved by the City Council in mid November.

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