Onassis Cultural Centre

Eckersley O'Callaghan had significant involvement with the design, review and installation of the new all glass staircase, developing many of the challenging details in collaboration with the design team.


Location

New York

 

Architect

Perkins Eastman

 

Client

Onassis Cultural Centre

Onassis Cultural Centre

645 Fifth Avenue

New York

NY 10022

The newly renovated creative space in the Onassis Cultural Centre, presents a programme of events where audiences can engage with art, ideas and Hellenic culture.

Eckersley O'Callaghan had significant involvement with the design, review and installation of the new all glass staircase, developing many of the challenging details in collaboration with the design team.

The project included a number of critical structural engineering calculations. The intermediate landing cantilevers from the glass stringers and can therefore be unsupported.

The stringers are a unique fabrication challenge of 4-ply, SGP structural laminate. One end of the ‘tabbed’ treads are supported by ‘mail box slots’ in the middle wall. The other ends of the treads are supported by a 2-ply sawtooth stringer which are laminated to the face of a 2 ply. The total is a significant 4-ply laminate central wall.

The staircase also had to meet New York City building performance code regulations. We had to perform tests to verify that the resistance of the annealed treads met with specific ASTM requirements.

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