A complete set of installation specifications for emergency lights
The lighting of the evacuation should not be more than 15 seconds, shopping malls and other densely populated places should not be more than 5 seconds, safety lights should not be more than 0.5 seconds, and the duration of emergency lights should not be less than 30 minutes. The working time of the fire-related room should not be less than 2 hours.
Emergency lights should be able to meet the needs of evacuation and safety lighting in the building. Should be set in public places, corridors, stairwells, elevator halls, entrances and exits and other locations. Lighting intensity should be in line with national standards, and should maintain a certain brightness and duration to facilitate evacuation.
Evacuation lighting is usually composed of safety exit sign lights and evacuation sign lights, in which the safety exit sign lights should not be less than 2m from the ground, and should be installed above the evacuation exit and the inside of the staircase.
The details of the installation of emergency lights are as follows: safety exit sign lights, usually set above the evacuation door. The evacuation staircase on the first floor should be installed above the inside of the staircase entrance, and its installation height should not be less than 2 meters.
Standard for installation of emergency lights
1. Emergency lighting should be able to meet the needs of evacuation and safety lighting in the building. Should be set in public places, corridors, stairwells, elevator halls, entrances and exits and other locations. Lighting intensity should be in line with national standards, and should maintain a certain brightness and duration to facilitate evacuation.
2. Installation standard of emergency lights: emergency lights should be installed on the walls of each floor of the evacuation passageway or on the door frame, or above the exit of the safe escape, or at the corner of the staircase.
3. If the emergency lighting is installed at the upper end of the exit door frame, the installation height should not be less than two meters, and if installed on the wall of the corridor, the height should not exceed one meter. But the installation height can also be adjusted according to the actual situation, in addition, emergency lighting should be installed in a place without shelter, so as not to affect the light efficiency.
4. The installation distance of emergency evacuation indicator lights or safety exit lights should not be more than 20 meters. The installation specification, installation height and lamp density of fire safety exit lights should be based on the environment of actual installation and use. The actual situation of the installation and use place of emergency lamps.
Design standard for emergency lighting
Article 1 the emergency conversion time of fire emergency lighting shall not be more than 5s. Article 2 Fire emergency lighting fixturesThe emergency working time is not less than 30min.
The setting of safety exit lights must meet the following requirements: the halls of the underground buildingEmergency lights are needed at the entrances and exits of each room.The horizontal illumination of the ground should not be lower than that of 0.5LXThe sign of the safety exit is best installed above the side of the evacuation exit and the staircase, more than 2 meters above the ground.
The minimum horizontal illuminance of the floor in the stairwell should not be lower than 0Lx. Evacuation signs should be set in obvious places, and walkways and their corners should be set on the wall below 0m from the ground or on the ground of walkways, and the distance between them should not be more than 20m.
The illuminance value of the safety lighting is not less than 5% of the general illumination value of the place; the illuminance value of the evacuation lighting of the evacuation passage is not less than 0.5 h.
According to the “Code for Fire Protection Design of buildings” and “Code for Fire Protection Design of High-rise Civil buildings”, fire emergency lights should be set up in the following parts of the building, fire emergency lights are divided into safety exit lights and evacuation sign lights: closed stairwell, smoke-proof stairwell and its front room, fire elevator and its front room.
In the scope of construction, only the brightness of emergency lighting is limited, and the normal occasion should be greater than 0.5lx, such as fire-related space, generator room, etc., the brightness of emergency lighting is carried out according to the standard of ordinary lamps and lanterns. For fire protection zones, emergency lights should have separate circuits, and fire barriers should be provided in each zone.
