BS 8634:2017+A1:2022

Portable roof ladders. Specification


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标准号
BS 8634:2017+A1:2022
发布
2022年
发布单位
英国标准学会
当前最新
BS 8634:2017+A1:2022
 
 
适用范围
1   Scope This British Standard specifies requirements for portable roof ladders specifically designed solely to provide temporary access to pitched roofs with angles between 25° and 65° for tasks that are of short duration and low risk. In particular, it specifies: a) general design features, requirements and test methods; b) the supporting elements, the bearers and ridge hook , and their connections to the ladders, including how a ladder is supported and located by the ridge of a pitched roof; c) the pitch, dimensions and form of a roof ladder’s climbing surfaces, according to the intended angles of use; d) the wheels used to manoeuvre a roof ladder into position on a pitched roof; and e) markings and user instructions. Roof ladders conforming to this standard are only intended for use on pitched roofs with angles between 25° and 65° and for no other purpose. They are not intended for use as leaning or standing ladders. This British Standard covers single section roof ladders, extending roof ladders, roof ladders with hinge (articulated) joints, roof ladders with telesc...

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