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What are the requirements for the safety exit indicator?
Safety exits are escape exits in various public places, and safety exits are an important safety facility in crowded places. When a safety accident occurs, all people in crowded places quickly escape the accident scene mainly through various safety exits, and rescue personnel also enter the accident scene mainly through safety exits to rescue the trapped or rescue the property.
1. Fire emergency lights and safety evacuation indicators must be equipped with two power sources, namely normal power and emergency backup power. Emergency backup power is generally supplied by self-supplied power generation and storage batteries. When storage batteries are used, the continuous power supply time cannot be less than 200 minutes.
2. The illuminance of fire emergency lighting and safety evacuation signs should not be less than 0.5lx, so that they can fully illuminate walkways, stairs and other evacuation routes. The fire control room, fire water pump room, self-provided generator room, and parts that still need to work during a fire must also ensure normal illumination.
3. Safety evacuation signs should be installed on the top of the fire exit or the evacuation walkway and its corner on the wall below 1m from the ground. The spacing of the signs on the walkway should not be greater than 20m. Fire emergency lighting and safety evacuation indicators should be equipped with protective covers made of glass and other non-combustible materials.
4. The evacuation stairwell should be marked with obvious signs to indicate the location and the number of floors, so that the people in the building can know where they are in time to facilitate safe evacuation.