: Precise positioning of vehicle doors relative to barrier gates is mandated to prevent gaps or hazards during boarding.
I notice you've referenced — but as of my current knowledge, there is no widely recognized standard, document, or topic by that exact alphanumeric code (e.g., not a known European Standard (EN), ISO, or academic paper code). en 17168
Additionally, EN 17168 introduces a "Groove Quality Grade": : Precise positioning of vehicle doors relative to
The standard organizes requirements into several critical areas for infrastructure owners and system integrators: It moves the industry away from anecdotal evidence
EN 17168 addresses this by providing a unified methodology for characterization. It moves the industry away from anecdotal evidence ("we have always used this product") toward evidence-based practice. By standardizing how products are described and tested, the standard allows conservators to make apples-to-apples comparisons between different materials, ensuring that decisions are based on scientific data rather than marketing claims.
EN 17168 outlines various testing requirements for fire extinguishers, including:
This is the most significant deviation from EN 13329. The classic Taber abrasion test uses rotating abrasive wheels. On a grooved surface, the wheels "skip" over the grooves, potentially giving a false high result.