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Is it necessary to install fire doors in ordinary residential rooms?

Fire doors are mostly used in conspicuous places such as shopping malls or main fire exits of buildings, and residents only need to press the security door. The requirements for setting fire doors in multi-storey buildings are as follows: When closed stairwells are set in high-rise workshops (warehouses), crowded public buildings and crowded multi-storey Class C workshops, the doors leading to the stairwells should adopt Class B fire doors; The evacuation walkway leading to the front room and the door leading to the stairwell in the front room should adopt Class B fire doors; In the stairwell of basement and semi-basement, the first floor should be separated from other parts by incombustible partition wall with fire resistance of not less than 2.00h, and should be directly connected with the outdoor. When the partition wall must be opened, Class B fire doors should be adopted; Stairwells should not be used in basements, semi-basements and the first floor above ground. When stairwells must be used, incombustible partition walls and Class B fire doors with a fire resistance limit of not less than 2.00h should be used on the first floor to completely separate underground, semi-underground and aboveground parts, and obvious signs should be provided.

The door leading to the outdoor stairs should adopt Class B fire doors and should be opened outdoors; The front room should be set in the fire elevator room, and the door of the front room should adopt Class B fire door; Fire elevator shaft and machine room shall be separated from adjacent elevator shaft and machine room by incombustible partition wall with fire resistance limit of not less than 2.00h; When opening the door on the partition wall, a Class A fire door should be set; Evacuation walkways should be equipped with Class A normally open fire doors in the fire zone; Doors opened on the firewall shall be Class A fire doors. Normally open fire doors should be equipped with control devices, signal feedback devices and on-site manual control devices that can automatically close the door leaf in case of fire, and should meet the requirements of product specifications. After the fire door is installed, the door leaf should be flexible to open and close, and there should be no rebound, warping, jamming and lax closing. Except in special circumstances, the opening force of the fire door leaf should not be greater than 80N.

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