Iso 13857 Pdf

0 mm 4. Reaching Over Protective Structures To prevent someone from reaching over a fence to touch a machine, the standard uses a table to determine the required height of the barrier. Low Risk: If the hazard is "low risk" (e.g., minor bruising), the distances are shorter. High Risk: If the hazard is "high risk" (e.g., amputation or death), the distances are significantly increased. Common Rule: If a hazard is 2.4 metres high, it is generally considered "out of reach" for an upright person, provided there is no additional platform to stand on. 5. Reaching Around (Flexible Limbs) The standard accounts for the fact that human joints (shoulders, elbows, wrists) allow for "reaching around" a corner. It provides specific "radius of reach" measurements to ensure a person cannot swing their arm around the edge of a plate to touch a moving part. How to Access the PDF Because ISO standards are copyrighted, "free" PDFs found online are often: Outdated: The current version is

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In simple terms, it provides mathematical formulas and tables that calculate the minimum safe distance between a hazard (like a rotating saw blade or pinch point) and a protective barrier (like a guard or fence). The goal is to ensure that an operator cannot reach the hazard before the machine stops, or cannot reach it at all based on human anthropometrics (body measurements). 0 mm 4

When downloading and using the ISO 13857 PDF, beware of these common errors: High Risk: If the hazard is "high risk" (e