Okhta Centre Tower

Contact

Mohsen Vaziri. Ramboll

Mohsen Vaziri

Head of Ground Engineering, London
T: +44 20 7631 5291
Part of a broader urban regeneration project aimed at reclaiming the city's stature as a major European centre for culture and commerce, this HQ building is to be the tallest building in St Petersburg.

The competition-winning design is for a glass-clad tower with a distinctive twisted profile that tapers to a rounded point — evoking the contour of a gas flame. Inspired by the pentagonal plan of an ancient Scandinavian fort believed to have once occupied the site, the tower consists of a central concrete core ringed by five square interlocking floorplates. The floorplates spin on their axes as they ascend, giving the building its twisted effect. A 'cog mechanism' — whereby the five floorplates interlock — ensures the tower's stability. Steel beams link the core to the external columns to further stiffen the structure.

St Petersburg's building regulations reflect its history as a predominantly low-rise city — there simply are no codes for high-rise structures. International standards were used to deliver the designs. Our geotechnical team — primed by years of working with the London clays — justified an optimised solution in the clay strata beneath the site.

Ramboll

Ramboll
240 Blackfriars Road
London SE1 8NW
United Kingdom
Tel:+44 20 7631 5291
Fax:+44 845 299 1610

Mail: london@ramboll.co.uk

Company registration

Company registration

Ramboll UK Limited. Registered in England & Wales. Company registration no. 03659970. Registered office: 240 Blackfriars Road, London SE1 8NW


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