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Stairs, ladders and walkways. Code of practice for the design of helical and spiral stairs (reprinted incorporating amendment No.1 and Corrigenda Nos. 1, 2 and 3)

BS 5395-2:1984

Stairs, ladders and walkways. Code of practice for the design of helical and spiral stairs (reprinted incorporating amendment No.1 and Corrigenda Nos. 1, 2 and 3)

Document Status



Core Supplement




Covers materials, dimensions, fire protection, means of escape.


Amendment 6076 dated July 1989 - indicated by a sideline in the margin. Amendment dated July 2008 - Corrigendum to replace poor quality figures. Amendment C2 dated March 2009 - Table 2: "Minimum outer going" corrected to "Maximum outer going" This corrigendum corrects an error that appears in some versions of this standard only. Amendment C3 dated June 2009 - Corrigendum to replace incorrect figures including keys and to correct equation in 5.2. Confirmed October 2016.




Publisher History

With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.



NBS has produced specification systems and information products for construction industry professionals for more than 40 years. The National Building Specification is the recognised UK national standard and is used by over 5,000 organisations. NBS is part of RIBA Enterprises Ltd.

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