A, the types and role of safety evacuation facilities
Generally speaking, the building's safety evacuation facilities are evacuation staircases and stairwells, evacuation aisles, safety exits, emergency lighting and evacuation signs, emergency broadcasting and auxiliary life-saving facilities. For ultra-high-rise buildings also need to set up the refuge floor and helipad, etc..
(a) evacuation stairs and stairwells
(b) evacuation aisles
(c) safety exits
(d) evacuation signs and emergency lighting
The second, the evacuation signs and emergency lighting
② power distribution room, fire control room, fire pump room, smoke exhaust machine room, battery room for fire fighting, self-powered generator room, telephone switchboard room, as well as fire still need to adhere to the work of other rooms.
3 audience halls, exhibition halls, multi-purpose halls, restaurants and commercial business halls and other densely populated places.
④ Evacuation aisles in the public **** building and residential buildings within the aisle length of more than 20m inside the aisle.
⑤ Underground or semi-underground buildings with a floor area of more than 300 square meters or rooms for public **** activities in basements or semi-basements.
(2) public **** building, civil defense works and high-rise civil buildings in the following parts should be equipped with lighted evacuation signs:
① In addition to the two types of residential buildings, high-rise buildings, evacuation aisles and safety exits;
② multi-storey buildings should be along the evacuation aisles and in the safety exits, crowded places Evacuation door directly above;
3 ③ total floor area of more than 8,000 square meters of exhibition buildings; total floor area of more than 5,000 square meters of above-ground stores; total floor area of more than 500 square meters of underground, semi-basement stores; song and dance entertainment projection of the amusement park; seating capacity of more than 1500 movie theaters, theaters, seating capacity of more than 3,000 stadiums, Hall or auditorium evacuation aisles and the main evacuation routes on the ground, should be able to maintain visual continuity of the light evacuation signs or light storage evacuation signs.
Three, evacuation signs and emergency lighting requirements
(1) evacuation of the emergency lighting, the minimum illuminance on the ground should not be less than 0.5LX.
(2) The fire control room, the fire pump room, smoke and exhaust smoke machine room, Distribution room and its own generator room, telephone switchboard room and other rooms in the event of fire still need to adhere to the work of the emergency lighting, should still ensure that the illumination of normal lighting.
(3) evacuation emergency lighting should be located on the wall or ceiling. Safety exit signs should be located at the top of the exit; evacuation aisle signs should be located in the evacuation aisle and its corners from the ground 1 meter below the wall. Aisle evacuation sign light spacing should not be greater than 20 meters.
(4) Emergency lighting and lighted evacuation signs should be provided with glass or other non-combustible materials made of protective cover.
(5) emergency lighting and evacuation signs, can use batteries as a backup power supply, and the continuous power supply time should not be less than 20 minutes; height of more than 100 meters of high-rise buildings continuous power supply time should not be less than 30 minutes.
Four, safety evacuation facilities of the daily fire inspection
For the evacuation stairs and stairwells, evacuation aisles, safety exits, its daily inspection should be carried out around the following:
1. Whether there is a combustible, inflammable materials piled up and blocking
2. Whether there are obstacles piled up, blocking the passage, affecting the evacuation;
3. Whether the safety exit is locked.
For the daily inspection of the evacuation indicator signs and emergency lighting, the main contents are:
1. Evacuation indicator signs whether the appearance is intact, whether it is blocked by the hanging objects;
2. Evacuation indicator signs whether the direction of the correct direction;
3. Indicator signs indicator lighting is normal, rechargeable battery power is sufficient;
4. Emergency lighting fixtures and wiring is intact;
5. Emergency lighting fixtures are in a normal working condition.
The above is about the primary firefighter exam in the security evacuation facilities part of the assessment of the key points to share, to the candidates who are preparing for the primary firefighter exam, I hope to help you, want to know more about the exam related content, welcome to pay attention to this platform in a timely manner!