Moberly House, University of Exeter
Spiral UK has completed work for Vinci Construction UK on a project to install four external spiral staircases on student accommodation for the University of Exeter.
Moberly House on the western side of Streatham campus has been demolished and rebuild to create new student residences. Developed by the University Partnership Programme (UPP) the building will provide 251 single standard bedroom accommodation in flats of 8-10 students.
We have designed, manufactured and installed steel spiral staircases, as a means of escape, on four corners of the H shaped building. They are significant structures rising over 11 metres with five landings and a roof canopy. As well as a security enclosure.
All four escape stairs were compliant with a Category E Public stair defined by BS5395 Part II as to be used by large numbers of people at one time e.g. stairs in places of public assembly.
Project
Moberly House, University of Exeter
Requirement
Four large external spiral staircases
Architect
Willmore Iles Architects
Contractor
Vinci Construction UK Building Division
Staircase Category
E
Floor to floor height
3000mm + 3150mm + 2850 + 2850mm
Spiral diameter
2500mm
Risers
18 @ 183.3mm, 2 @ 150mm, 60 @ 190mm
Tread Type
4.5mm durbar plate
Tread Width
71 @ 1250mm
Clear Tread Width
1000mm
Landing
5 x special shaped landings in 3mm durbar plate
Balustrade
2 @ 22mm Steel tubular balusters per tread, 40mm x 6mm flat bar handrail capped with PVC
Additional
27mm diameter circular hollow section CHS vertical upright enclosure with security gate at ground level
Steel spiral staircase
The external spiral staircase on building A, like all the steel spiral stairs we provided, was made up of five special landings, a large canopy roof covering the footprint of the stairs at the top, and an enclosure of tubular uprights for the safety of students and security. A gate at ground level provided an outward opening and an external key entry.
We fabricated the spiral stairs and enclosure in our factory in Helston and one of our, UK wide, team of fitters installed the stairs on site.
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