EN 14122-3: Specifies minimum requirements for fixed guardrails used as fall protection on machinery, elevated platforms, and working areas. These standards specify guardrail dimensions, strength, placement, and materials to reduce workplace injuries and ensure compliance. Regulatory handrails are not only important to protect your workers, but they are also necessary to guarantee the integrity and safety of your company. In this article you will find what you need to know about the UNE-EN ISO 14122-3 standard for the installation of fixed handrails. Ready to learn. (b) Guardrail systems. The top edge height may exceed. Guardrail systems — including balustrades, mezzanine edge protection, and warehouse railings — along with pallet safety gates, play a crucial role in effective fall protection. But what specific safety standards must these systems comply with? To minimize fall risks and prevent accidents, every. Commonly used terms relative to guardrail systems in this course are defined below in accordance with American Society of Testing and Materials Standard Terminology of Railing Systems and Rails for Buildings (ASTM E 1481), and National Association of Architectural Metal Manufacturers, Pipe Railing.