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CSA Z259.2.4:15 (R2020)
This is the second edition of CSA Z259.2.4, Fall arresters and vertical rigid rails. It is part of a series of Standards on components of fall-protection systems and replaces the previous edition published in 2012.
This Standard specifies design, testing, and marking requirements for manufactured fall arresters and fixed vertical rigid rails that are used on a vertical or sloped plane.
The equipment specified in this Standard is intended for use where there is a danger of falling from heights. In the event of fall, the fall arrester will lock on the fixed vertical rigid rail to arrest the fall.
This Standard does not cover work positioning and horizontal travel systems.
The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.
In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the Standard.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.