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509 Third Avenue, construction of a 118 m high tower in Manhattan, USA

Nov 09, 2023
The new 118 m high residential tower is located in the popular Manhattan neighbourhood of Murray Hill. The 36 floors include 229 flats, retail space and landscaped grounds.

18,580 m² of FORMADECK formwork was used to cover the slab. This product, typical of the North American market, has made it possible for an early recovery of its components and to be able to reuse the material in subsequent phases.

In some areas, including slab steps and thicker slab portions, the ENKOFLEX system has been used, combining wood and aluminium beams.

FORMADECK provides a fast and efficient method of forming large areas, and ENKOFLEX offers flexibility. Almost any situation can be safely and efficiently solved with these two systems. In this case, the minimum shoring was 2.9 m and the maximum 4.9 m.

Mario Elvir, Deck Foreman of Carben, talks about the service offered by ULMA: "Even if we call at the last minute, we always get timely next day deliveries. They are always there when you need them. The customer service is very good. I recommend them 100 %."

Watch the project video here.