WINDOWLESS ROOMS IN ACCORDANCE WITH BS 5266 AND FIRE SAFETY APPROVED DOCUMENT B
Escape Routes (UP to 2 METRES WIDE). A fire escape route is a path that leads to a point of safety, such as a fire exit or protected stairwell in the event of an emergency or mains failure. BS5266 and CIBSE LG12. Light level. Minimum illumination level should be 1 lux along centre-line and a central band consisting of not less than half the full width to 50% of that value (0.5 Lux). Duration: 60 minutes if evacuated immediately. 180 minutes otherwise. (CIBSE LG12 states – as required for installation). Response Time: Response time should be no more than 5 seconds. Reference Plane: Finished floor level. Question Substantially wider escape routes to be treated as several 2 metre strips or be treated as an open area
