London’s towering landmark, colloquially known as the “Gherkin“. At 180 metres The ‘Gherkin is three times the height of Niagara Falls and each of the stairwells has 1037 steps. Clifford Chapman Staircases added to that total by installing three new staircases between floors 22 to 26.
Solid stainless stringers, stainless steel handrail and stone treads. Toughened glass balustrade
The challenge was to develop a structure capable of give and unsupported cantilever landings, whilst ensuring the dynamic performance of the staircase.