Cummins UK, Daventry
This external spiral staircase really demonstrates that we can produce spiral fire escape staircases of any shape and size. This was one of a range of external escape stairs created for Cummins UK in Daventry, a leading manufacturer of diesel engines.
Working with SDC Builders, we designed and manufactured this large external spiral stair which had a security enclosure at the base, a rest landing, middle landing and a top landing that incorporated a section of straight treads right at the top.
Project
Cummins UK, Daventry
Requirement
External spiral escape staircase
Client
Cummins UK
Contractor
SDC Builders
Floor to floor height
7625mm + 4334mm
Spiral diameter
349.4mm
Risers
40 @ 190.63mm, 22 @ 197mm, Open
Tread Type
Durbar plate
Tread Width
50 @ 1050mm
Clear Tread Width
828.2mm
Landing
3500 x 1200mm landing in durbar plate
Balustrade
2 x 22m diameter uprights per tread with 40mm x 6mm flat handrail with PVC capping
Additional
Perforated sheet panel security enclosure to the base of the stair with outward opening gate.
Steel Spiral Staircase
This imposing external spiral staircase was fabricated in mild steel galvanised to ISO EN1461. All our fire escape stairs are compliant with British Standard BS5395 Part II (Code of Practice for the design of helical and spiral stairs 1984).
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