In situations of emergency evacuation, especially when confronted by power failure, a way guidance system using photoluminescent tapes, signs and markers will help to indicate clearly defined escape routes, saving critical time for the evacuation of the building.
BS 5266-6: 1999, is a Code of Practice for non-electrical low mounted way guidance marking using a photoluminescent system. It recommends how to plan, design, install and maintain the system when used in conjunction with powered emergency lighting. The use of this standard, combines with BS ISO 16069:2004, Graphical symbols-Safety signs – Safety way guidance systems and BS 5499-4: 2000, Code of Practice for escape route signs, gives the answers to most questions that could be asked from those contemplating installing a photoluminescent way guidance system.
The installation of a photolumiescent way guidance system does not replace the use of powered emergency lighting when this is required, but compliments its existence. For a satisfactory performance, photoluminescent materials require initial activation from a good light source.