GMS provided structural engineering services for converting the tower portion (30th Floor-60th floor) of this landmark structure into residential apartments. Structural modifications include two new high-rise elevators from the sub-cellar to the 51st floor, new floor openings, concrete pit structures at sub-sub-cellar and machine room, and pickup framing from 51st to 53rd floor; new exit stair structures between 30th and 53rd floor, new floor openings and new/reinforced framing; two new penthouses at the 30th floor, new canopy structure at the ground floor for condominium entrance. Also, the below-grade levels were refurbished to accommodate restaurants, a health club, retail, and educational spaces. GMS has also renovated the intermediate levels for office tenants.
GMS also provided the structural Special Inspections for structural steel, stability, and field inspections for concrete.
Client: The Witkoff Group and Alchemy Properties
Architects: The Office of Thierry Despont and SLCE Architects
2020 SEAoNY Excellence in Structural Engineering Award – Renovation, Restoration, Forensics Winner
2019 ENR New York Regional Best Projects – Renovation/Restoration Best Project