This part must be used in conjunction with ISO 14122-1 for the full selection and design of access systems.

from:

is the third part of this critical series. It specifically focuses on stairs, stepladders, and guardrails that form part of a permanent means of access to machinery. If you are a safety engineer, plant manager, or machinery designer, having access to the DIN EN ISO 14122-3 PDF is essential for compliance with the EU Machinery Directive 2006/42/EC and national workplace safety regulations.

The standard demands that materials used for stairs and guardrails resist environmental degradation throughout their lifecycle.

The standard was heavily revised to address historical safety loopholes. If you are referencing an older PDF version, ensure you update your documentation to reflect these changes:

Understanding the difference between DIN, EN, and ISO is crucial when purchasing the correct standard.

Compare specific requirements for steps ladders versus standard stairs in more detail. What part of the standard are you most focused on? INTERNATIONAL STANDARD ISO 14122-3 - Cloudfront.net

Continuous handrails must be provided on both sides to allow users to maintain three points of contact. Key Updates in the Latest Revision

DIN EN ISO 14122-3:2016-10 (or the most recent 2018/2021 amendments depending on jurisdiction).

For corporate access and multi-user licensing.

The handrail diameter should be between 25 mm and 50 mm for an ergonomic grip.