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Anonymous users2024-01-241. It does not have to be a fire door.
2. The reason why fire doors are used is because most buildings have only one staircase (the code requires two), and the door of a staircase generally needs a Class A fire door.
3. Some doors that open directly to the front room of the elevator should use Class B fire doors (on the premise of meeting the two stairs, otherwise they are also Class A).
After reading your supplementary question, I feel that this should be a unit-type high-rise residence with less than 18 floors, it must be a Grade A fire door, and I think you must only have one staircase (walking ladder).
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Anonymous users2024-01-231 .Grade A door for one staircase below 18 floors.
2 .The 4 square meter fire elevator antechamber is not big enough.
3.Pay attention to the net width of the elevator hall should not be less than meters, and see if yours is small.
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Anonymous users2024-01-22The entrance door of high-rise residential buildings (buildings with more than 16 floors) requires fire doors; Now it is generally used Grade A steel fireproof and anti-theft doors; Your home should also use such doors.
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Anonymous users2024-01-21It doesn't have to be a fire door.
The reason why fire doors are used is because most buildings have only one staircase (the code requires two) and one staircase door.
Generally, Grade A fire doors are required.
Some doors that open directly to the front room of the elevator should use Class B fire doors (on the premise of satisfying two stairs, otherwise it is also A.
level).
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Anonymous users2024-01-20Fire doors. Class B or Class A.
Residential Design Code.
Residential doors should be guarded with security doors. Doors that open outwards should not obstruct traffic. >>>More
Nowadays, most of them use fireproof and anti-theft doors, which are generally Class A fireproof and Class C anti-theft.
Residential doors are required to be insulated.
The fire protection requirements should be determined according to the situation, generally high-rise residential doors directly open to the stairs or front rooms have fire protection requirements, and some corridor-type residential doors do not have fire protection requirements. >>>More
Burglary encounters a lock that won't be opened? It doesn't matter, I know, the three sects, nine streams and eight immortals have crossed the sea to show their magical powers, and you will go straight to the Yellow Dragon!
Yes, as long as this is constructed in accordance with the drawings after the fire audit and filing, there is no problem, mainly to see whether the design is designed in this position, if it is correct. The reverse is not true.