Office

Excavation Underway for The Alloy Block at 100 Flatbush Avenue in Downtown Brooklyn

At number 16 on our countdown is The Alloy Block, a multi-tower complex designed and developed by Alloy Development in Downtown Brooklyn. Located along the border with Boerum Hill, the project consists of the 840-foot-tall 80 Flatbush Avenue and the 44-story, 482-foot-tall 100 Flatbush Avenue. Hunter Roberts Construction Group is in charge of building the foundations, and Urban Atelier Group will take over the superstructure work, which will rise from the trapezoidal plot bound by Flatbush Avenue to the northeast, State Street to the southwest, and 3rd Avenue to the northwest.

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New Renderings of FXCollaborative’s Two-Tower Development at 495 Eleventh Avenue Revealed in Midtown West, Manhattan

At number 20 on our year-end countdown is a pair of mixed-use residential skyscrapers at 495 Eleventh Avenue in Midtown West, Manhattan. Designed by FXCollaborative with Gene Kaufman Architects as the architect of record, the 589,842-square-foot project consists of a 680-foot-tall, 57-story edifice paired with a slightly shorter 653-foot-tall, 56-story sibling that will rise along Eleventh Avenue between West 39th and West 40th Streets, next to the Jakob K. Javits Center. NYC Economic Development Corporation is listed as the owner behind the applications that were filed back in late October.

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Demolition Prep Underway For 415 Madison Avenue In Midtown East, Manhattan

Demolition preparations are ramping up at 415 Madison Avenue in Midtown East, the site of a 605-foot-tall commercial skyscraper and number 25 on our year-end countdown. Designed by Skidmore Owings & Merrill and developed by 415 Madison Avenue LLC, the 40-story building will yield 343,100 square feet of office space and replace a 66-year-old structure currently owned by Rudin Management at the corner of Madison Avenue and East 48th Street. YIMBY last reported that the LLC was seeking special permits as part of the ULURP process to build in compliance with the East Midtown sub-district regulations. This would allow for the reconstruction of overbuilt floor area in a new development, as well as obtaining air rights from the nearby landmarked St. Bartholomew’s Church along Park Avenue. The new property will also include a 350-square-foot ground-floor retail pavilion and a 2,400-square-foot open-air public concourse.

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Green Roof Construction Progresses at 341 Ninth Avenue in West Chelsea, Manhattan

Construction is progressing on Manhattan’s largest outdoor roof deck atop the ten-story 341 Ninth Avenue in West Chelsea. Tishman Speyer and the United States Post Office are working together to redevelop the 2.2-million-square-foot building, known as the Morgan North Postal Facility, which was originally completed in 1933 and occupies a full block from Ninth to Tenth Avenues and West 29th to West 30th Streets. Upon completion, the structure will not only boast a 2.5-acre landscaped rooftop, but also more than 5,000 square feet of ground-floor retail along Ninth Avenue and newly renovated and modernized office floors. CBRE represented USPS in prior negotiations with Tishman Speyer for the project. King Contracting Group is handling the removal and replacement of the main roof on the seventh floor, totaling 150,000 square feet.

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