Fire: the number of square meters of rice, a few layers need to set up two stairs?
In principle, regardless of the size of the area, should handle the relevant fire inspection procedures, including drawing approval, fire facilities construction or renovation, fire and other work. How many square meters above the need for fire permits
As long as not a layer requires two escape routes,
Building design fire safety regulations GB50016-2006, Article 5.3.2 provides:
The number of safety zones in each building within a public building shall be determined by calculation and shall not be less than 2 for each floor of a fire zone. A safety exit or evacuation staircase may be provided when one of the following conditions is met:
1, in addition to nursery, kindergarten, the building area is less than or equal to 200M2 and the number of people do not exceed the single public building
2, in addition to hospitals, nursing homes, the elderly building and nursery, kindergarten children's room and children's playroom and other children's activities, etc., in line with Table 5.3.2 requirements of the 2,3-level public buildings.
That is, four or more, all two stairs. 3 or less, except for the provisions of 5.3.2, need to set up two stairs.
