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While a grand outdated building with opaque glass on Manhattan’s 380 Madison Avenue is currently wrapped in scaffolding and construction material, L & L holding are redeveloping this tower built in the 50s to be re massed into what is expected to be a hulking 33 story, 373 feet high light filled modern engineering structure named as the 390 Madison Avenue.
The old 380 Madison avenue project will be repositioned as the new 390 Madison Avenue by preserving 25% of the former building while altering its internal structure. This will be executed by demolishing three million pounds of concrete and over 160,000 square feet in the old building’s base which would be recovered by the addition of eight new office floors on top.
The new 390 Madison Avenue will have 663,419 square feet of commercial space, most of which will be office space, although the first two floors will contain double-height retail space. It will also be featuring an “L” shaped triple-height interior space occupying the southeast corner of Madison Avenue and 47th Street. While this triple height space is combined with a 20’ deep, exterior wraparound terrace garden along 46th street, Madison Ave & 47th street, it will transform into what will be a window to the city providing breathtaking views of the whole city surrounding it. Smaller terraces at differing heights will also be implemented thus creating fresh air opportunities and astonishing city views for the new buildings’ tenants and its offices’ occupants.
The designers of this 21st century engineering master piece are Kohn Pedersen Fox Associates (KPF) and Adamson Associates. While the East midtown area is commonly recognized as a dense area which lacks the presence of sun bathed spaces, the designers of the new 390 Madison Avenue have decided take up that challenge to change such a fact by employing a careful practice of selected column removal as well as the adherence of an uninterrupted curtain wall glass envelope and numerous setbacks which would also ensure that tenants are granted significantly better views. This increased sunlight will influence the glass selection and mechanical systems, ensuring an energy efficient result. The electrical load of the building will be reduced by nearly 25 percent and its advanced air filtration system will filter 85 percent of airborne particulates. This induced efficiency is predicted to aid in lowering the residents’ occupancy costs and will make each work- place more environmentally responsible.