It applies to non-powered stairs, stepladders, and guard-rails that are part of a stationary machine or fixed access to a building where the machine is installed.
Once you download your licensed PDF copy, focus your workflow on these sections:
DIN EN ISO 14122-3 is part of a four-part international standard. It focuses specifically on attached to permanent machinery. The complete standard series includes: din en iso 14122-3 pdf
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Stepladders are steeper than standard stairs and require users to face the steps while descending. The complete standard series includes: I'll follow the
The standard is a critical safety document that provides the requirements for permanent means of access to machinery , specifically focusing on stairs, stepladders, and guard-rails . It is part of a four-part series designed to prevent falls and ensure safe maintenance and operation of stationary industrial equipment. Key Requirements of the Standard
The minimum clear width of a staircase should be 600 mm, though 800 mm is highly recommended for regular two-way industrial traffic. I have information about the standard's scope, requirements,
The standard provides design guidelines for protective covers, including:
If you are currently designing or auditing an industrial platform, I can help you verify your dimensions. Please let me know:
Specifies dimensions to ensure safe climbing, including: Overlap ( ): Must be ≥10is greater than or equal to 10 Rise ( ): Should remain constant throughout the flight of stairs. Pitch: Generally between 30∘30 raised to the composed with power 38∘38 raised to the composed with power for standard stairs. Stepladders (Section 6): Covers steeper access (typically 45∘45 raised to the composed with power 75∘75 raised to the composed with power ) where users may need to face the ladder while descending. Where to find the PDF
): Treads must overlap by at least 10 mm to eliminate open gaps where feet could slip.