The advice covers chutes constructed of detachable sections constructed from metal or non-metallic product, affixed to scaffolding. https://bjov6p2yortee2hcdb6cdagm2jgzvnwbrno3stonamzuming7dfa.cdn.ampproject.org/c/ezproxy.cityu.Edu.hk%2Flogin%3Furl%3Dhttps%3A%2F%2Filfordscaffolding.co.uk%2Findex.html/