We designed, supplied and installed two feature staircases for a new 9,350m² four storey office building which is located at BP’s International Centre for Business and Technology.

The two feature staircases were formed in high strength precast concrete elements connected by in-situ concrete stitches. Large, curved, tapered spine sections were connected via prestressed

Macalloy bars. These were then connected to curved flights and half-landing units.

All the precast units included rebates, recesses and cast-in conduit for lighting and balustrading.

These were all co-ordinated with the reinforcement and embedded steel sections to provide the necessary cover.


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