Case Study 139 Churchill House London

Architect: ORMS Architects

Figure 13 9b View from underside (Spiral Staircase Systems)

Not an elegant stair but constructionally interesting. The shallow mild steel stringers are kept to a minimum depth and are reinforced with stainless steel tension cables to form beams. The framing is completed with rods at each baluster which tie the strings together. The glass treads are supported on slips. The whole structure floats above the floor on brackets.

Figure 13 9a View looking up (Spiral Staircase Systems)

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