BS EN ISO 14122-3欧标梯子平台设计规范.pdf

Licensed Copy: Inger Standal, AkerKvaerner, 31 January 2005, Uncontrolled Copy, (c) BSI BRITISH STANDARD BS EN ISO 14122-3:2001 Safety of machinery — Permanent means of access to machinery — Part 3: Stairways, stepladders and guard-rails I S B ) c ( , y p o C d e l l o r t n o c n U , 5 0 0 2 y r a u n a J 1 3 , r e n r e a The European Standard EN ISO 14122-3:2001 has the status of a v K British Standard r e k A , l a d n a t S r e ICS 13.110 g n I : y p o C d e s n e NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW c i L BS EN ISO 14122-3:2001 National foreword This British Standard is the official English language version of EN ISO 14122-3:2001. It is identical with ISO 14122-3:2001. It partially supersedes BS 5395-3:1985, and BS 4592-1 to -5, which are being amended to address the requirements of this standard. Recommendations on the design aspects of industrial type stairs, walkways, platforms, fixed ladders and companion way ladders not addressed by this standard can be found in BS 5395-3. Requirements for industrial type metal flooring, walkways and stair treads that are not addressed by this standard can be found in BS 4592-1 to -5, which covers the following: — Part 1: Specification for open bar gratings;