Din En Iso 14122-3 Pdf May 2026

This standard is the definitive guideline for designing safe stairways, stepladders, and guard-rails for machinery. This article explores the scope of the standard, key design requirements, and how accessing the PDF version is essential for compliance.

When vertical ladders are too steep but a standard stairway is impractical due to space, stepladders are used. din en iso 14122-3 pdf

Important note:

This standard does not apply to public stairways, escalators, or construction site scaffolding. It is strictly for permanent access to machinery . DIN EN ISO 14122-3 PDF: The Complete Guide

Conclusion

• Tread depth must be at least the vertical step height minus 15 mm.
• The treads must be closed (no open risers) to prevent tools or feet slipping through.

• DIN EN ISO 14122-2: Working platforms and walkways (adjacent to stairs)
• DIN EN ISO 14122-4: Fixed ladders (for steeper access)
• DIN 51130: Testing of slip resistance for floor coverings
• EN 1090: Execution of steel structures (for welded guardrails)
• BetrSichV (German Betriebssicherheitsverordnung) – operational safety regulation