GB 50222-1995 Code for fire protection design of interior decoration of buildings
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National Standard of the People's Republic of China
GB50222—95
Code for Fire Prevention in Design of Interior Decoration of Buildings
CCode for Fire Prevention in Design of Interior Decoration of Buildings Buildings (2001 revised edition)
2001—04—01
National Bank of China
Ministry of Construction of the People's Republic of China
Jointly issued
Page 1
《Code for Fire Protection Design of Interior Decoration of Buildings》Data Collection
50222-95
Announcement on Partial Revision of Engineering Construction Standards
No. 29
National Standard 《Code for Fire Protection Design of Interior Decoration of Buildings》GB50222-95 has been partially revised by China Academy of Building Research in conjunction with relevant units. It has been reviewed by relevant departments and the partially revised provisions are now approved, including Article 3.1.15A, Article 3.1.18, Article 3.2.3 and Article 3.3.2, which will be implemented from May 1, 2001. The contents of the partially revised provisions are all mandatory provisions and must be implemented. The corresponding provisions in this code are abolished at the same time.
This is hereby announced.
Ministry of Construction of the People's Republic of China
April 2001
Page 2
《Code for Fire Protection Design of Interior Decoration of Buildings》Material Compilation+
50222-95
Partially revised provisions and their explanations
Article 3.1.15A The interior decoration of a building shall not reduce the net width and number required for the design of emergency exits, evacuation exits and evacuation corridors.
[Explanation] This article is a new article.
According to the investigation, there is a phenomenon that the width and number of safety exits, evacuation exits and evacuation corridors in the building are arbitrarily reduced in interior decoration design. In order to prevent this situation from happening, this article stipulates that Article 3.1.18 When singing and dancing halls, karaoke halls (including restaurants with karaoke functions), nightclubs, video halls, projection halls, saunas (except bathing parts), amusement halls (including electronic amusement halls), Internet cafes and other places for singing, dancing, entertainment, projection and amusement (hereinafter referred to as singing, dancing, entertainment, projection and amusement) are located on the fourth floor and above of buildings with first or second level fire resistance, the ceiling materials of indoor decoration should be Class A decoration materials, and other parts should be decorated with materials not lower than Class B: When it is located on the first underground floor, the ceiling and wall materials of indoor decoration should be Class A decoration materials, and other parts should be decorated with materials not lower than Class B. [Explanation] This article is a new article.
In recent years, there have been many fire accidents in places of entertainment, such as singing, dancing, and projection, which killed dozens or hundreds of people. One of the important reasons is that such places use a large number of combustible decoration materials. When a fire occurs, these materials produce a large amount of toxic smoke, which causes people to suffocate and die in a very short time. Therefore, this article makes corresponding provisions for the interior decoration materials of such places. When such places are located on the first underground floor, the conditions for safe evacuation and fire fighting are more unfavorable, so the requirements for underground buildings in this article are more stringent than those for above-ground buildings. For places of entertainment, such as singing, dancing, projection, and projection, which meet the conditions listed in this article, whether they are located in multi-story, high-rise or underground buildings, the combustion performance level of their interior decoration materials shall be implemented in accordance with the provisions of this article. When places of entertainment, such as singing, dancing, projection, and projection, are located on the first floor or the second or third floor of a single-story, multi-story or high-rise building, they shall still be implemented in accordance with the corresponding provisions of this code.
Article 3.2.3 In addition to the provisions of Article 3.1.18, when a single-story or multi-story civil building is equipped with an automatic fire extinguishing system, the combustion performance level of the interior decoration materials, except for the ceiling, can be reduced by one level based on the provisions of Table 3.2.1; when both an automatic fire alarm device and an automatic fire extinguishing system are installed, the combustion performance level of the ceiling decoration materials can be reduced by one level based on the provisions of Table 3.2.1, and the combustion performance level of other decoration materials may not be restricted. [Explanation] This article is a modification of the original article. Considering that some buildings have high decoration standards and need to be decorated with combustible materials, in order to meet actual needs without reducing the overall safety performance, it is stipulated that fire protection facilities should be set up to make up for the problem of insufficient combustion level of decoration materials. The American standard NFPA101 "Life Safety Code" stipulates that if automatic fire extinguishing measures are adopted, the combustion performance level of all decoration materials can be reduced by one level. Japan's "Basic Building Law" stipulates that "if automatic fire extinguishing measures such as water sprinklers and smoke exhaust measures are adopted, interior decoration materials may not be restricted." This article is formulated with reference to the provisions of the above two countries. Since the risk of fire in places of singing, dancing, entertainment, projection and amusement is high and can easily lead to mass deaths and injuries, the combustion performance level of indoor decoration materials in the places specified in Article 3.1.18 will not be downgraded when automatic fire alarm systems and automatic water sprinkler fire extinguishing systems are installed.
Article 3.3.2 Except for the places specified in Article 3.1.18 and high-rise civil buildings over 100m and auditoriums, conference halls, and top-floor restaurants with more than 800 seats, when automatic fire alarm devices and automatic fire extinguishing systems are installed, the combustion performance level of interior decoration materials other than ceilings can be reduced by one level based on the provisions of Table 3.3.1 [Explanation] This article is a modification of the original article. The explanation is the same as Article 3.2.3. Page 4
Code for Fire Protection Design of Interior Decoration of Buildings
50222-95
Announcement on Partial Revision of Engineering Construction Standards
No. 20
National Standard "Code for Fire Protection Design of Interior Decoration of Buildings" GB50222-95 has been partially revised by China Academy of Building Research in conjunction with relevant units. It has been reviewed by relevant departments and the partially revised provisions are now approved for implementation on June 1, 1999. The provisions of the corresponding provisions in the standard will be abolished at the same time. This is hereby announced. Ministry of Construction of the People's Republic of China
April 13, 1999
National Standard of the People's Republic of China
Code for Fire Prevention in Design of Interior Decoration of Buildings
Code for Fire Prevention in Design of Interior Decoration of Buildings GB50222-95
Editor: Ministry of Public Security of the People's Republic of ChinaApproval: Ministry of Construction of the People's Republic of ChinaEffective Date: October 1, 1995
Notice on the Issuance of the National Standard "Code for Fire Prevention in Design of Interior Decoration of Buildings"
Jianbiao [1995] No. 181
According to the requirements of the State Planning Commission's Document No. 1990160, the "Code for Fire Prevention in Design of Interior Decoration of Buildings" jointly compiled by the Ministry of Public Security and relevant ministries has been reviewed by relevant departments. The "Code for Fire Prevention in Design of Interior Decoration of Buildings" GB50222-95 is now approved as a mandatory national standard and will be implemented on October 1, 1995. This standard is managed by the Ministry of Public Security, and its specific interpretation and other work is the responsibility of the China Academy of Building Research. The publication and distribution is organized by the Standard and Quota Research Institute of the Ministry of Construction. Ministry of Construction of the People's Republic of China
March 29, 1995
Classification and grading of decoration materials
3 Civil buildings
General provisions
Single-story and multi-story civil buildings
High-rise civil buildings
Underground civil buildings
4 Industrial plants
Appendix A
Appendix B
Appendix C
Classification of combustion performance of decoration materialsbzxz.net
Examples of classification of combustion performance of common building interior decoration materials ·\15 Explanation of terms used in this standard
Additional Notes
1 General Principles
1.0.1 This specification is formulated to ensure the fire safety of building interior decoration, implement the fire protection work principle of "prevention first, prevention and elimination combined", and prevent and reduce the hazards of building fires.
1.0.2 This specification applies to the interior decoration design of civil buildings and industrial plants. This specification does not apply to the interior decoration design of ancient buildings and wooden structures. 1.0.3 The interior decoration design of buildings should make good use of the contradiction between decoration effect and safety of use, actively adopt non-combustible materials and flame-retardant materials, and try to avoid using materials that produce a lot of smoke or toxic gases when burning, so as to ensure safety, applicability, advanced technology, and economic rationality.
1.0.4 The interior decoration design of buildings specified in this code includes the decoration of ceilings, walls, floors, partitions, fixed furniture, curtains, curtains, bedspreads, furniture covers, fixed decorations, etc. in civil buildings; and the decoration of ceilings, walls, floors and partitions in industrial plants.
Note: (1) Partitions refer to partitions that do not reach the top. The decoration of fixed partitions that reach the top should be the same as the wall decoration. (2) The decoration of columns should be the same as the wall decoration. (3) Cabinets that reach the top and have the function of space separation should be considered as fixed furniture. 1.0.5 In addition to the provisions of this code, the interior decoration design of buildings should also comply with the provisions of the current relevant national standards and specifications. 2 Classification and grading of decoration materials
2.0.1 Decoration materials can be divided into seven categories according to their use parts and functions: ceiling decoration materials, wall decoration materials, floor decoration materials, partition decoration materials, fixed furniture, decorative fabrics, and other decoration materials.
Note: (1) Decorative fabrics refer to curtains, drapes, bedspreads, furniture covers, etc. (2) Other decorative materials refer to stair railings, mirror rails, skirting boards, curtain boxes, radiator covers, etc. 2.0.2 Decorative materials shall be classified into four levels according to their combustion performance and shall comply with the provisions of Table 2.0.2:
Combustion performance level of decorative materials
Combustion performance of decorative materials
Non-flammability
Flammability
Flammability
2.0.3 The combustion performance level of decorative materials shall be determined by professional testing institutions in accordance with the provisions of Appendix A of this Code. B3 grade decorative materials do not need to be tested. 2.0.4 Gypsum boards and mineral wool acoustic boards installed on steel keels with combustion performance reaching B1 grade may be used as A grade decorative materials. 2.0.5 When the surface of plywood is coated with a first-class decorative fire-retardant coating, it can be used as a Class B decoration material. When plywood is used for ceiling and wall decoration and does not contain electrical appliances, wires and other objects, it is advisable to only apply fire-retardant coating on the outer surface of the plywood: When plywood is used for ceiling and wall decoration and contains electrical appliances, wires and other objects, the inner and outer surfaces of the plywood and the corresponding wooden keel should be coated with fire-retardant coating, or flame-retardant impregnation treatment should be used to reach Class BI.
Note: The grade of decorative fire-retardant coating should comply with the relevant provisions of the current national standard "Test Method and Classification Standard for Fire Retardant Performance of Fire Retardant Coatings".
2.0.6 Paper and cloth wallpaper with a unit weight of less than 300g/m can be used as Class B decoration materials when directly pasted on Class A substrates. 2.0.7 Inorganic decorative coatings applied on dry A-grade substrates can be used as A-grade decoration materials: organic decorative coatings applied on dry A-grade substrates with a wet coating ratio less than 1.5g/m2 can be used as B-grade decoration materials. When the coating is applied on B and B2-grade substrates, the coating and the substrate should be combined to determine their combustion performance level in accordance with the provisions of Appendix A of this specification.
2.0.8 When different decoration materials are used for layered decoration, the combustion performance level of each layer of decoration materials should comply with the provisions of this specification. Composite decoration materials should be tested as a whole by professional testing institutions and their combustion performance levels should be divided. 2.0.9 The classification of combustion performance levels of commonly used building interior decoration materials can be determined according to the examples in Appendix B of this specification.
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