Office

Rendering of One Madison Avenue Expansion. Designed by Kohn Pedersen Fox

One Madison Avenue’s Renovation and Expansion Progresses in The Flatiron District, Manhattan

Work continues to progress on One Madison Avenue, a 1.4-million-square-foot, 27-story office tower expansion in Midtown, Manhattan’s Flatiron District. Designed by Kohn Pedersen Fox and developed by SL Green, the project involves the construction of a steel-framed structure atop the current eight-story building, which was partially demolished and is in the process of being excavated and gutted. The property takes up a full block bound by East 23rd and 24th Streets and Madison Avenue and Park Avenue South, and sits directly adjacent to the 112-year-old Metropolitan Life Insurance Company Tower. The developers, which also include the National Pension Service of Korea and Hines, successfully acquired $1.25 billion in construction financing and are aiming to achieve both WELL and LEED Gold certification, as well as incorporating state-of-the-art HVAC and circulation systems to improve interior air quality and overall cleanliness. AECOM Tishman is serving as the general contractor.

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SUMMIT One Vanderbilt Opens To The Public In Midtown East, Manhattan

SUMMIT One Vanderbilt, New York City’s fifth public high-rise observatory, officially opened to the public yesterday afternoon at 1:00 PM. A group of SL Green Realty executives, SUMMIT One Vanderbilt creators, One Vanderbilt partners, and New York City leaders gathered atop the 91st floor of the 65,000-square-foot indoor-outdoor venue earlier yesterday morning to give speeches and cut a ceremonial ribbon before the first visitors arrived.

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1,663-Foot-Tall Tower by David Adjaye Revealed As Part of RFP Submission For 418 11th Avenue, In Hudson Yards

While concrete details remain unconfirmed, the first Request for Proposal (RFP) submission for the site of a future supertall north of Related Companies’ Hudson Yards complex has now been unveiled. The ground-up 1,663-foot-tall building would become one of the tallest towers in New York City by both architectural and roof height, on the site of the former Hudson Spire proposal. Sir David Adjaye of Adjaye Associates is the architect, while developers include Deryl McKissick, The Peebles Corporation, Exact Capital Group, and the Witkoff Group. The envisioned master plan would sit on a 1.2-acre lot, dubbed “Site K,” at 418 11th Avenue, bound by West 35th and West 36th Street, Hudson Boulevard West, and 11th Avenue.

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New Renderings Released for RAMSA’s Claremont Hall at 100 Claremont Avenue in Morningside Heights, Manhattan

YIMBY has an exclusive new set of exterior renderings for Claremont Hall, a topped-out 41-story residential and academic tower at 100 Claremont Avenue in Morningside Heights. Designed by Robert A. M. Stern Architects with SLCE Architects as the architect of record and developed by L&M Development Partners, Daiwa House Texas, Inc., and Lendlease, the 354,000-square-foot structure will yield 165 condominiums as well as institutional offices, faculty housing, and classrooms for Union Theological SeminaryBeyer Blinder Belle is handling the renovations of Union Theological Seminary’s Hastings Hall, where students currently reside. Claremont Hall is situated by the corner of Claremont Avenue and West 122nd Street, directly across from Riverside Church, and the tower is being built by Lendlease Construction with the use of air rights from the seminary.

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