Fire door classification and the use of the place a complete list
According to the fire resistance limit: fire door is divided into A, B, C three levels, the fire resistance limit is not less than 1.50h, 1.00h, 0.50h, corresponding to the firewall, evacuation staircase door and shaft inspection door.
Basic classification of fire doors
1) According to the fire resistance limit: fire door is divided into A, B, C three levels, the fire resistance limit is not less than 1.50h, 1.00h, 0.50h, corresponding to the firewall, evacuation staircase door and shaft inspection door.
2) According to the material: can be divided into wood, steel, composite material fire door.
3) According to the door structure: it can be divided into with bright, without bright; single fan, multi-fan.
I. Class A Fire Door Use Places
1)The opening of fireproof wall
2)Cinema, auditorium, theater
3)Door of each equipment room in the refuge area
4)Door near the stairwell of high-rise ward building
5)Smoke-proof stairwell of underground 20,000m².
6)Class A plant (non-explosion hazard)
7)Atrium doors and windows
8)Intermediate storage tank door
9)Class B plant adjacent to the 10kV substation (distribution) station
10) substation room, ventilation and air-conditioning plant room, fire pump room, elevator plant room, generator room, oil storage room, diesel generator room, direct-fired engine room, oil-immersed transformer room
B. Class B fire door
1) Doors separating the first floor and underground staircase
2) Doors leading to outdoor staircases
3) Smoke-proof stairwell, closed stairwell, front room
4)Outside window of refuge floor
5)KTV
6)Doors of medical institutions for the elderly and children
7)Kitchen doors other than those of residential buildings
8)Door of each equipment room of a transportation tunnel
9)Door of pedestrian street facing the street
10)Doors separating class C factories, class C and D warehouses from offices and rest rooms.
11) Fire extinguishing equipment room
C. Class C Fire Door
Vertical shafts such as cable wells, pipe wells, smoke ducts, exhaust ducts, garbage ducts and so on.
Fourth, special fire doors
1) fire control room
The textbook is class B, and the human defense regulations are class A.
2) fire pump room, ventilation and air conditioning plant room, power distribution room
In the construction regulations for class B, in the water regulations for class A.
Keywords: Casement Window
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