The standard establishes essential safety requirements for permanent, non-powered access to stationary and mobile machinery, specifically covering stairs, step ladders, and guard-rails . The current 2016 edition (ISO 14122-3:2016) provides updated technical specifications and verification methods to ensure operator safety during maintenance and operation. Core Scope and Application
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When vertical ladders are too steep but a standard stairway is impractical due to space, stepladders are used. din en iso 14122-3 pdf
Choice of fixed means and general requirements of access Part 2: Working platforms and walkways Part 3: Stairs, stepladders, and guard-rails Part 4: Fixed ladders
The standard operates as a under ISO 12100. It provides generic safety principles that apply across a broad array of machinery industries. It cannot be utilized in isolation; it must be used in conjunction with Part 1 to establish a legal presumption of conformity. Choice of fixed means and general requirements of
Part 3 focuses exclusively on preventing falls from heights and ensuring ergonomic movement when workers ascend or descend between levels. Core Safety Requirements of ISO 14122-3
Why this matters: Angles steeper than 45° require different step designs and handrail positions. Part 3 focuses exclusively on preventing falls from
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The standard is mandatory for that needs fixed access ways. It also applies to mobile machinery when fixed access parts are used. However, it is not intended for powered access equipment such as lifts, escalators, or other devices specifically designed to lift people between levels.
