BS EN 14972-4:2024

Fixed firefighting systems. Water mist systems. Test protocol for non-storage occupancies for automatic nozzle systems | Status: Current

1 Scope This document specifies the evaluation of the fire performance of water mist systems for lightly loaded non-storage and non-manufacturing occupancies with ordinary combustibles, such as offices, schools, hospitals and hotels. This document is applicable to ceiling mounted automatic nozzles to be used in restricted and/or unlimited areas. This document is applicable for horizontal, solid, flat ceilings with heights of 2 m and above, up to the maximum tested ceiling height.