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National Standard Fire Protection for Ordinary Residential Buildings

Jan / 07 / 2022

1. Except for student or employee apartments, other apartments should be designed according to the hotel’s fire protection design.

 

2. Independently constructed student or employee dormitories (apartments) should be designed according to residential buildings. The design of the type and width of the evacuation stairs shall comply with the provisions of Article 5.3.11 and Article 5.3.14 of the “Code for Fire Protection Design of Buildings”; the design of the fire water supply shall be in accordance with Article 8.3.1, Clause 4 and other Chapter 8 Relevant regulations. 3. For student and staff dormitories (apartments) built in combination with other functional spaces, the fire separation between the residential part and other non-residential parts shall be implemented in accordance with Article 5.4.6 of this code, and the fire water supply design of the building shall be based on the entire building Material considerations. In this reply, it is clear that the student or staff apartment is designed according to the residential building, which is actually a residential apartment (ordinary apartment), and other apartments are designed according to public buildings, but the clear width of the evacuation passage and evacuation stairs of the student or staff apartment should not be less than 1.1 m, and the net width of the stairs with railings on one side of the residences of six floors and below shall not be less than 1.0m. In addition, the indoor fire hydrant shall be installed in the apartment according to paragraph 4 of Article 8.3.1. In the “Code for Fire Protection Design of Buildings” Article 8.3.1, paragraph 4, it is specified that the design of indoor fire control water supply for non-residential residences such as dormitories and apartments should be carried out in accordance with the requirements of public buildings. In addition, regarding the combustion performance and fire resistance limit of building components, the “Code for Fire Protection Design of Buildings” specifies that when prestressed reinforced concrete floors are used for the floor slabs of second-class fire resistance residential buildings, the fire resistance limit of the floor slabs should not be less than 0.75h. Stress reinforced concrete floor slabs, while apartments cannot be used. Therefore, in the “Code for Fire Protection Design of Buildings”, the fire protection design of residences and apartments, some places have higher requirements than buildings, and some places have higher requirements than apartments.

 

For high-rise buildings, the “Code for Fire Protection Design of High-Rise Civil Buildings” GB50045-95 (2005 Edition) does not clarify the difference between residential and apartment buildings. Although high-rise buildings are divided into residential buildings and public buildings in the 3.0.1 building classification, residential buildings Only one form of residence is included. Therefore, for high-rise apartments, regardless of the form of apartments, the author believes that the fire protection design should be carried out according to public buildings. The safety exits of each fire compartment should not be less than two, and the distance between the two safety exits should not be less than 5m. The number of room doors is stipulated in the “Code for Fire Protection Design of High-Rise Civil Buildings” as follows: a room located between two safety exits in a public building, when its construction area does not exceed 60 square meters, can be provided with a door, the net width of the door It should not be less than 0.9m; the room at the end of the walkway in a public building, when its construction area does not exceed 75 square meters, can be provided with a door, and the clear width of the door should not be less than 1.40m. Of course, it is difficult to provide two doors for residential apartments. It is worth discussing whether it can refer to the one door for residential apartments. As for the installation of fire-fighting facilities, can residential apartments refer to 7.6.1 of the “Code for Fire Protection Design of High-Rise Civil Buildings”. For internal rooms that do not have centralized air-conditioning and have Class A fire doors, automatic sprinkler systems may not be installed. After all, residential apartments In general, there are not many people in the apartment, and there are independent sanitary equipment and auxiliary facilities in the unit, and the actual area will be reduced.

 
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