AS 1657–2013 Fixed platforms, walkways,stairways and ladders – Design,construction and installation. ($194.66)
This standard supersedes the 1992 edition.  It includes single stile ladders, access to roofs, removed references to the regulatory authorities, requirements relating to a particular form of access (e.g. stairways, ladders) when grouped together, a broader scope of testing of products and more test methods, slip resistance issue highlighted and testing of a wider range of products introduced where verification by engineer’s analysis is not available.

Information courtesy of NATSPEC SPECnotes April 2014 edition download full article HERE

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