Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This code is revised from the national standard GB 50222-95 Code for Fire Prevention in Design of Interior Decoration of Buildings by China Academy of Building Research jointly with organizations such as Sichuan Fire Research Institute of Ministry of Public Security according to the requirements of "Notice on Printing and Distributing 'Development and Revision Plan of National Engineering Construction Standards and Codes (First Batch) in 2007'" (JIANBIAO [2007] No. 125) of the former Ministry of Construction,
During the revision process of this code, this code is finalized by the code drafting group through complying with relevant national fire prevention policy, profoundly learning lessons from fire accidents and deeply investigating new conditions and problems appearing in project construction development and difficulties encountered during the process of implementing this code, carefully summarizing engineering practice experience, learning and borrowing ideas from foreign relevant technical standards and fire prevention scientific achievements and widely soliciting for opinions.
This code consists of 6 chapters, covering general provisions, terms, types and classification of decoration materials, typical places, civil buildings, factory buildings and warehouses.
Main contents revised in this code are as follows:
1. Terms are added;
2. Typical places in civil building are combined with those in industrial building, and are separately listed as a chapter;
3. Names of civil building and place are adjusted and improved; the fire prevention requirements for decoration of civil building and place are supplemented and adjusted; fire prevention requirements for decoration of exhibition place are added;
4. Fire prevention requirements for decoration of residential building are supplemented;
5. Fire prevention requirements for decoration of industrial factory building are detailed;
6. Fire prevention requirements for decoration of warehouse are added.
In this code, the provisions printed in bold type are compulsory, and must be enforced strictly.
The Ministry of Housing and Urban-Rural Development is in charge of the administration of this code and the explanation of the compulsory provisions, the Ministry of Public Security is responsible for routine management, and China Academy of Building Research is responsible for the explanation of specific technical contents. During the process of implementing this code, please send the comment or suggestion (if any) to China Academy of Building Research (address: No.30 North 3rd Ring East Road, Beijing; 100013) for reference in future revision.
Contents
Foreword i
1 General Provisions 4
2 Terms 4
3 Types and Classification of Decoration Material 5
4 Typical Places 5
5 Civil Buildings 8
5.1 Single Storey and Multi-storey Civil Buildings 8
5.2 High-rise Civil Buildings 12
5.3 Underground Civil Buildings 17
6 Factory Buildings and Warehouses 19
Explanation of Wording in This Code 22
List of quoted standards 23
Code for Fire Prevention in Design of Interior Decoration of Buildings
1 General Provisions
1.0.1 This code is formulated with view to regulating the design of interior decoration of buildings, reducing fire hazards and protecting the personal and property safety.
10.2 This code is applicable to the fire prevention design of interior decoration of industrial and civil buildings while not applicable to that of historic buildings and timber buildings.
1.0.3 For the design of interior decoration of buildings, incombustible and flame retardant materials shall be actively adopted while materials generating high volume of dense smoke or toxic gas during combustion shall be avoided, so as to realize safety, applicability, technical advancement, economy and rationality.
1.0.4 The fire prevention design of interior decoration of buildings shall meet not only meet those specified in this code, but also comply with those in the relevant current national standards.
2 Terms
2.0.1 interior decoration of buildings
activities such as decoration, protection and fixed facility installation in buildings to meet functional requirements
2.0.2 decorative fabric
Textiles, e.g. window curtain and purdah, made of natural fibers such as cotton, linen, silk and wool as well as other synthetic fibers, so as to meet the interior functional requirements of buildings
2.0.3 partition
the vertical partition fixed in the interior but away from the roof of the building
2.0.4 fixed furniture
the furniture fixed together with the building structure or not liable to translocation, such as closet, wall cabinet, display stand, large goods shelf, etc. in the building
3 Types and Classification of Decoration Material
3.0.1 According to the application positions and functions, the decoration materials may be classified into seven categories, i.e. ceiling decoration material, wall face decoration material, floor decoration material, partition decoration material, fixed furniture, decorative fabric and other decoration materials.
Note: other decoration materials refer to stair handrail, picture rail, skirting, window curtain box, radiator cover, etc.
3.0.2 According to the combustion performance, the decoration materials shall be classified into 4 levels and shall meet the requirements specified in Table 3.0.2.
Type 3.0.2 Combustion Performance Level of Decoration material
Level Combustion performance of decoration material
A Incombustibility
B1 Flame retardancy
B2 Combustibility
B3 Inflammability
3.0.3 The combustion performance level of decoration material shall be determined through testing according to the relevant requirements of GB 8624 Classification for Burning Behavior of Building Materials and Products.
3.0.4 The gypsum plasterboard and mineral-cotton acoustic board with combustion performance reaching Level B1 and installed on metal joist may be used as Level A decoration materials.
3.0.5 The paper or cloth wall paper with mass per unit area less than 300g/m2, where directly bonded to Level A base material, may be used as Level B1 decoration material.
3.0.6 The inorganic decorative coating on Level A base material may be used as Level A decoration material; the organic decorative coating on Level A base material, with coating ratio less than 1.5kg/m2 and dry film thickness of coating not greater than 1.0mm, may be used as Level B1 decoration material.
3.0.7 Where multi-layer decoration materials are adopted, the combustion performance level of each layer shall meet the requirements of this code. The combustion performance level of composite decoration material shall be determined through integral testing.
4 Typical Places
4.0.1 The interior decoration of buildings shall not arbitrarily reduce, change, remove or block fire protection facility, evacuation indicatory sign, safety exit, evacuation exit, evacuation walkway, fire compartment, smoke compartment, etc.
4.0.2 The interior hydrant cabinet door of the building shall not be sheltered by the decoration, and the color of decoration materials around this door shall be obviously distinguished from the color of hydrant cabinet door or luminous sign shall be arranged on the surface of hydrant cabinet door.
4.0.3 Mirror-surfaced reflecting material affecting the safe evacuation of personnel shall not be adopted for the ceiling and wall face of evacuation walkway and safety exit.
4.0.4 For the lobbies of horizontal evacuation walkway and safety exit of overground building, Level A decoration materials shall be adopted for the ceiling while decoration materials not lower than Level B1 shall be adopted for other positions; for the lobbies of evacuation walkway and safety exit of underground civil building, Level A decoration materials shall be adopted for the ceiling, wall face and floor.
4.0.5 Level A decoration materials shall be adopted for the ceiling, wall face and floor of evacuation staircase and antechamber.
4.0.6 Where the atrium, gallery, open stair and escalator connecting the upstairs and downstairs are arranged in the building, Level A decoration materials shall be adopted for the ceiling and wall face of the connecting position while decoration materials not lower than Level B1 shall be adopted for other positions.
4.0.7 Decoration materials not lower than Level B1 shall be adopted for the surface decoration of the base course on both sides of interior deformation joint (including settlement joint, expansion joint, seismic joint, etc.) of the building.
4.0.8 As for the combustion performance level of the interior decoration material of windowless room, all levels, except Level A, shall be improved by one level based on the requirements specified in Tables 5.1.1, 5.2.1, 5.3.1, 6.0.1 and 6.0.5.
4.0.9 For fire pump room, mechanical pressurized air supply smoke exhaust machine room, fixed fire extinguishing system, steel cylinder room, power distribution room, transformer room, generator room, oil storage room, ventilation and air conditioning machine room, etc., all interior decorations shall be of Level A decoration materials.
4.0.10 For important rooms such as fire control room, Level A decoration materials shall be adopted for the ceiling and wall face while decoration materials not lower than Level B1 shall be adopted for floor and other decorations.
4.0.11 For the kitchen in the building, Level A decoration materials shall be adopted for the ceiling, wall face and floor.
4.0.12 For the restaurant and scientific research laboratory where fire instrument is frequently used, the combustion performance level of decoration materials, except Level A, shall be improved by one level based on the requirements specified in Tables 5.1.1, 5.2.1, 5.3.1, 6.0.1 and 6.0.5.
4.0.13 For the warehouse or storeroom in civil building, all interior decorations shall meet the requirements of corresponding places, and shall be of decoration materials not lower than Level B1.
4.0.14 The decoration design of exhibition place shall meet the following requirements:
1 Decoration materials not lower than Level B1 shall be adopted for booth.
2 Level A decoration materials shall be adopted for the wall face and operating platform adjacent to electrical heating equipment in the restaurant operation area where electrical heating equipment is arranged.
3 Level A decoration materials shall be adopted for booth positions adjacent to high-temperature lighting fixtures such as halogen tungsten lamp.
4.0.15 The decoration design of residential building shall also meet the following requirements:
1 Interior flue and air duct of residential building shall not be changed.
2 Decoration materials not lower than Level B1 should be adopted for the fixed cabinet in kitchen.
3 Level A decoration materials should be adopted for toilet ceiling.
4 Decoration materials not lower than Level B1 should be adopted for balcony decoration.
4.0.16 Where the lighting fixtures or the high-temperature positions of electrical equipment and circuit get close to non-Level A decoration materials or members, fire protection measures such as heat insulation and heat dissipation shall be taken, and the distance between them and decoration materials such as window curtain, purdah, curtain and soft cover shall not be less than 500mm; materials not lower than Level B1 shall be adopted for light fixtures.
4.0.17 The interior distribution box, control panel, junction box, switch, socket, etc. shall not be directly installed on decoration materials lower than Level B1; the wood plates used for ceiling and wall face decoration, where containing objects such as electrical appliance and wire, shall be materials not lower than Level B1.
4.0.18 Where electric heating system is installed in indoor ceiling, wall face, floor and partition decoration materials, the combustion performance level of indoor decoration materials and thermal insulation materials adopted shall be Level A. Where water (steam) heating system is installed in indoor ceiling, wall face, floor and partition decoration materials, the combustion performance of decoration materials and thermal insulation materials adopted for ceiling shall be Level A while that for other positions shall not be lower than Level B1; the requirements of public places in this code shall also be met.
4.0.19 Wall hanging and fabrics made of Level B3 decoration materials should not be arranged in the building; where required to be arranged, they shall not get close to electrical circuit, fire source or heat source, or isolation measures shall be taken.
4.0.20 For the places not specified in this code, the interior decoration shall be implemented by analogy according to relevant requirements of this code.
Foreword i
1 General Provisions
2 Terms
3 Types and Classification of Decoration Material
4 Typical Places
5 Civil Buildings
5.1 Single Storey and Multi-storey Civil Buildings
5.2 High-rise Civil Buildings
5.3 Underground Civil Buildings
6 Factory Buildings and Warehouses
Explanation of Wording in This Code
List of quoted standards
Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative.
This code is revised from the national standard GB 50222-95 Code for Fire Prevention in Design of Interior Decoration of Buildings by China Academy of Building Research jointly with organizations such as Sichuan Fire Research Institute of Ministry of Public Security according to the requirements of "Notice on Printing and Distributing 'Development and Revision Plan of National Engineering Construction Standards and Codes (First Batch) in 2007'" (JIANBIAO [2007] No. 125) of the former Ministry of Construction,
During the revision process of this code, this code is finalized by the code drafting group through complying with relevant national fire prevention policy, profoundly learning lessons from fire accidents and deeply investigating new conditions and problems appearing in project construction development and difficulties encountered during the process of implementing this code, carefully summarizing engineering practice experience, learning and borrowing ideas from foreign relevant technical standards and fire prevention scientific achievements and widely soliciting for opinions.
This code consists of 6 chapters, covering general provisions, terms, types and classification of decoration materials, typical places, civil buildings, factory buildings and warehouses.
Main contents revised in this code are as follows:
1. Terms are added;
2. Typical places in civil building are combined with those in industrial building, and are separately listed as a chapter;
3. Names of civil building and place are adjusted and improved; the fire prevention requirements for decoration of civil building and place are supplemented and adjusted; fire prevention requirements for decoration of exhibition place are added;
4. Fire prevention requirements for decoration of residential building are supplemented;
5. Fire prevention requirements for decoration of industrial factory building are detailed;
6. Fire prevention requirements for decoration of warehouse are added.
In this code, the provisions printed in bold type are compulsory, and must be enforced strictly.
The Ministry of Housing and Urban-Rural Development is in charge of the administration of this code and the explanation of the compulsory provisions, the Ministry of Public Security is responsible for routine management, and China Academy of Building Research is responsible for the explanation of specific technical contents. During the process of implementing this code, please send the comment or suggestion (if any) to China Academy of Building Research (address: No.30 North 3rd Ring East Road, Beijing; 100013) for reference in future revision.
Contents
Foreword i
1 General Provisions 4
2 Terms 4
3 Types and Classification of Decoration Material 5
4 Typical Places 5
5 Civil Buildings 8
5.1 Single Storey and Multi-storey Civil Buildings 8
5.2 High-rise Civil Buildings 12
5.3 Underground Civil Buildings 17
6 Factory Buildings and Warehouses 19
Explanation of Wording in This Code 22
List of quoted standards 23
Code for Fire Prevention in Design of Interior Decoration of Buildings
1 General Provisions
1.0.1 This code is formulated with view to regulating the design of interior decoration of buildings, reducing fire hazards and protecting the personal and property safety.
10.2 This code is applicable to the fire prevention design of interior decoration of industrial and civil buildings while not applicable to that of historic buildings and timber buildings.
1.0.3 For the design of interior decoration of buildings, incombustible and flame retardant materials shall be actively adopted while materials generating high volume of dense smoke or toxic gas during combustion shall be avoided, so as to realize safety, applicability, technical advancement, economy and rationality.
1.0.4 The fire prevention design of interior decoration of buildings shall meet not only meet those specified in this code, but also comply with those in the relevant current national standards.
2 Terms
2.0.1 interior decoration of buildings
activities such as decoration, protection and fixed facility installation in buildings to meet functional requirements
2.0.2 decorative fabric
Textiles, e.g. window curtain and purdah, made of natural fibers such as cotton, linen, silk and wool as well as other synthetic fibers, so as to meet the interior functional requirements of buildings
2.0.3 partition
the vertical partition fixed in the interior but away from the roof of the building
2.0.4 fixed furniture
the furniture fixed together with the building structure or not liable to translocation, such as closet, wall cabinet, display stand, large goods shelf, etc. in the building
3 Types and Classification of Decoration Material
3.0.1 According to the application positions and functions, the decoration materials may be classified into seven categories, i.e. ceiling decoration material, wall face decoration material, floor decoration material, partition decoration material, fixed furniture, decorative fabric and other decoration materials.
Note: other decoration materials refer to stair handrail, picture rail, skirting, window curtain box, radiator cover, etc.
3.0.2 According to the combustion performance, the decoration materials shall be classified into 4 levels and shall meet the requirements specified in Table 3.0.2.
Type 3.0.2 Combustion Performance Level of Decoration material
Level Combustion performance of decoration material
A Incombustibility
B1 Flame retardancy
B2 Combustibility
B3 Inflammability
3.0.3 The combustion performance level of decoration material shall be determined through testing according to the relevant requirements of GB 8624 Classification for Burning Behavior of Building Materials and Products.
3.0.4 The gypsum plasterboard and mineral-cotton acoustic board with combustion performance reaching Level B1 and installed on metal joist may be used as Level A decoration materials.
3.0.5 The paper or cloth wall paper with mass per unit area less than 300g/m2, where directly bonded to Level A base material, may be used as Level B1 decoration material.
3.0.6 The inorganic decorative coating on Level A base material may be used as Level A decoration material; the organic decorative coating on Level A base material, with coating ratio less than 1.5kg/m2 and dry film thickness of coating not greater than 1.0mm, may be used as Level B1 decoration material.
3.0.7 Where multi-layer decoration materials are adopted, the combustion performance level of each layer shall meet the requirements of this code. The combustion performance level of composite decoration material shall be determined through integral testing.
4 Typical Places
4.0.1 The interior decoration of buildings shall not arbitrarily reduce, change, remove or block fire protection facility, evacuation indicatory sign, safety exit, evacuation exit, evacuation walkway, fire compartment, smoke compartment, etc.
4.0.2 The interior hydrant cabinet door of the building shall not be sheltered by the decoration, and the color of decoration materials around this door shall be obviously distinguished from the color of hydrant cabinet door or luminous sign shall be arranged on the surface of hydrant cabinet door.
4.0.3 Mirror-surfaced reflecting material affecting the safe evacuation of personnel shall not be adopted for the ceiling and wall face of evacuation walkway and safety exit.
4.0.4 For the lobbies of horizontal evacuation walkway and safety exit of overground building, Level A decoration materials shall be adopted for the ceiling while decoration materials not lower than Level B1 shall be adopted for other positions; for the lobbies of evacuation walkway and safety exit of underground civil building, Level A decoration materials shall be adopted for the ceiling, wall face and floor.
4.0.5 Level A decoration materials shall be adopted for the ceiling, wall face and floor of evacuation staircase and antechamber.
4.0.6 Where the atrium, gallery, open stair and escalator connecting the upstairs and downstairs are arranged in the building, Level A decoration materials shall be adopted for the ceiling and wall face of the connecting position while decoration materials not lower than Level B1 shall be adopted for other positions.
4.0.7 Decoration materials not lower than Level B1 shall be adopted for the surface decoration of the base course on both sides of interior deformation joint (including settlement joint, expansion joint, seismic joint, etc.) of the building.
4.0.8 As for the combustion performance level of the interior decoration material of windowless room, all levels, except Level A, shall be improved by one level based on the requirements specified in Tables 5.1.1, 5.2.1, 5.3.1, 6.0.1 and 6.0.5.
4.0.9 For fire pump room, mechanical pressurized air supply smoke exhaust machine room, fixed fire extinguishing system, steel cylinder room, power distribution room, transformer room, generator room, oil storage room, ventilation and air conditioning machine room, etc., all interior decorations shall be of Level A decoration materials.
4.0.10 For important rooms such as fire control room, Level A decoration materials shall be adopted for the ceiling and wall face while decoration materials not lower than Level B1 shall be adopted for floor and other decorations.
4.0.11 For the kitchen in the building, Level A decoration materials shall be adopted for the ceiling, wall face and floor.
4.0.12 For the restaurant and scientific research laboratory where fire instrument is frequently used, the combustion performance level of decoration materials, except Level A, shall be improved by one level based on the requirements specified in Tables 5.1.1, 5.2.1, 5.3.1, 6.0.1 and 6.0.5.
4.0.13 For the warehouse or storeroom in civil building, all interior decorations shall meet the requirements of corresponding places, and shall be of decoration materials not lower than Level B1.
4.0.14 The decoration design of exhibition place shall meet the following requirements:
1 Decoration materials not lower than Level B1 shall be adopted for booth.
2 Level A decoration materials shall be adopted for the wall face and operating platform adjacent to electrical heating equipment in the restaurant operation area where electrical heating equipment is arranged.
3 Level A decoration materials shall be adopted for booth positions adjacent to high-temperature lighting fixtures such as halogen tungsten lamp.
4.0.15 The decoration design of residential building shall also meet the following requirements:
1 Interior flue and air duct of residential building shall not be changed.
2 Decoration materials not lower than Level B1 should be adopted for the fixed cabinet in kitchen.
3 Level A decoration materials should be adopted for toilet ceiling.
4 Decoration materials not lower than Level B1 should be adopted for balcony decoration.
4.0.16 Where the lighting fixtures or the high-temperature positions of electrical equipment and circuit get close to non-Level A decoration materials or members, fire protection measures such as heat insulation and heat dissipation shall be taken, and the distance between them and decoration materials such as window curtain, purdah, curtain and soft cover shall not be less than 500mm; materials not lower than Level B1 shall be adopted for light fixtures.
4.0.17 The interior distribution box, control panel, junction box, switch, socket, etc. shall not be directly installed on decoration materials lower than Level B1; the wood plates used for ceiling and wall face decoration, where containing objects such as electrical appliance and wire, shall be materials not lower than Level B1.
4.0.18 Where electric heating system is installed in indoor ceiling, wall face, floor and partition decoration materials, the combustion performance level of indoor decoration materials and thermal insulation materials adopted shall be Level A. Where water (steam) heating system is installed in indoor ceiling, wall face, floor and partition decoration materials, the combustion performance of decoration materials and thermal insulation materials adopted for ceiling shall be Level A while that for other positions shall not be lower than Level B1; the requirements of public places in this code shall also be met.
4.0.19 Wall hanging and fabrics made of Level B3 decoration materials should not be arranged in the building; where required to be arranged, they shall not get close to electrical circuit, fire source or heat source, or isolation measures shall be taken.
4.0.20 For the places not specified in this code, the interior decoration shall be implemented by analogy according to relevant requirements of this code.
Contents of GB 50222-2017
Foreword i
1 General Provisions
2 Terms
3 Types and Classification of Decoration Material
4 Typical Places
5 Civil Buildings
5.1 Single Storey and Multi-storey Civil Buildings
5.2 High-rise Civil Buildings
5.3 Underground Civil Buildings
6 Factory Buildings and Warehouses
Explanation of Wording in This Code
List of quoted standards
