1. General provisions
1.0.1 This code is formulated with a view to prevent and reduce the fire hazards for the ferrous metallurgy enterprises and to protect the personal safety and property safety.
1.0.2 This Code is applicable to the fire protection and prevention design of the newly-built, extended and rebuilt works for the ferrous metallurgy enterprises, and is inapplicable to those locations where the detonators or blasting materials are processed, stored, distributed and used within the ferrous metallurgy enterprises.
1.0.3 As for the ferrous metallurgy enterprises, the fire protection and prevention design shall combine the practices of the project; actively adopt new technologies, new processes, new materials and new equipments to accomplish safe application, state-of-the-art technology and economic feasibility.
1.0.4 If the ferrous metallurgy enterprise has two or more process plants, then the fire-fighting planning as well as fire protection and prevention design should be implemented in a unitive way.
1.0.5 For the fire protection and prevention design of the ferrous metallurgy enterprises, not only the requirements stipulated in this Code but also those in the current relevant ones of the nation shall be complied with.
2 Terminologies
2.0.1 Main workshop
It's referred to the workshop containing one or more main processes, such as steel-making workshop and hot rolling workshop.
2.0.2 Process plant
It's referred to the relatively independent production unit region, such as steel plant and captive power plant.
2.0.3 Main electrical room
It's referred to the room equipped with steel rolling motor, deflector, power transforming/distribution device and automatic control device.
2.0.4 Main control building (room)
It's referred to building equipped with automatic control device, power transforming/distribution devices, except the steel rolling workshop.
2.0.5 General step-down transformer substation
It's referred to the independent place of the ferrous metallurgy enterprise where the outside power supply is connected to the transformer for step-down so as to supply and distribute the power the whole plant.
2.0.6 Area transformer substation
It's referred to the distribution substation set up in the electrical load- concentrated area within the ferrous metallurgy enterprise.
2.0.7 Chamber
It's referred to the independent space excavated in the production part of the underground mine shaft.
3 Fire hazard classification, fire resistance grade and fire compartment
3.0.1 Fire hazard classification of production and store goods shall be in accordance with relevant regulations specified in current national standard "Code of Design on Building Fire Protection and Prevention" GB50016.
3.0.2 Fire resistance grade, combustion performance of elements and fire endurance of construction shall be in accordance with relevant regulations specified in current national standard "Code of Design on Building Fire Protection and Prevention" GB 50016.
3.0.3 Supporting member of monolayer main workshop in Type D and Type F may adopt metal construction without fire prevention protection, in which, parts that influenced by Type A, B and C liquid or combustible gas flame, or parts with radiant heat temperature higher than 200℃ when producing, shall have fire prevention and heat insulation protection.
3.0.4 Underground hydraulic pressure station and underground lube station should adopt reinforced concrete construction or masonry construction, and their fire resistance shall not be less than Grade two. Fire resistance of oil-immersed transformer room and high voltage distribution room shall not be less than grade two.
3.0.5 Cable interlayer and electrical basement should adopt reinforced concrete construction or masonry construction; their fire resistance shall not be less than grade two. When the cable interlayer adopts steel construction, it shall make fire prevention protection for the architecture elements and shall reach the requirement for grade two fire resistance.
3.0.6 When dry coal shed or indoor coal depot adopts steel construction, design height of the coal dump and steel construction within 1.5m scope shall adopt effective fire prevention protective measures, and its fire endurance shall not be less than 1.0h.
3.0.7 The maximal permissible building area of fire compartment for construction shall be in accordance with the following requirements:
1 Overground cable interlayer shall not be larger than 1000m2 and basement shall not be larger than 500m2; when setting automatic fire-extinguishing system, it may be enlarged by 1.0 time;
2 When the main workshop meets requirements specified in Article 3.0.3 and Article 5.2.5 of this code, its fire compartment area is not limited;
3 Coalpited fire compartment shall not be larger than 3000m2;
4 The maximal permissible building area in fire compartment of other building shall be in accordance with relevant regulations specified in current national standard "Code of Design on Building Fire Protection and Prevention" GB 50016.
3.0.8 Requirement for interior trim shall comply with relevant requirements specified in current national standard "Code for Fire Prevention in Design of Interior Decoration of Buildings" GB 50222.
Foreword
1. General provisions
2 Terminologies
3 Fire hazard classification, fire resistance grade and fire compartment
4 General arrangement
4.1 General requirement
4.2 Fire break
4.3 Layout of pipeline
5 Safety evacuation and building construction
5.1 Safety evacuation
5.2 Building construction
5.3 Explosion-proof of construction
6 Process system
6.1 Mining and mineral separation
6.2 Integrated stock yard
6.4 Refractory material and metallurgical lime
6.5 Sintering and pelletizing
6.6 Iron-making
6.7 Steel-making
6.8 Ferroalloy
6.9 Hot rolling and heat process
6.10 Cold rolling and cold processing
6.11 Metal processing and testing
6.12 Hydrodynamic lubrication system
6.13 Combustion-supporting gas, gases and fuel facilities
6.14 Other auxiliary facilities
7 Automatic fire alarm systems
8 Fire water supply and fire-extinguishing facilities
8.1 General requirements
8.2 Indoor and outdoor fire water supply
8.3 Setting site of automatic fire-extinguishing system
8.4 Fire-water pond, fire pump room, and fire water box
8.5 Fire water discharge
9 Heating, ventilation, air conditioning, smoke-proof and smoke emission
10 Electricity
10.1 Fire power supply and distribution
10.2 Power transformer and distribution system
10.3 Cable and cable laying
10.4 Lightning protection and electrostatic prevention
10.5 Fire emergency lighting and fire safety evacuation indictor sign
Appendix A Fire Detector Selected Type Illustration and Design of Area Cable Fire Alarm System in Iron Steel Metallurgy Enterprises
Appendix B Design for Fine Spray Fire Extinguishing System of Iron Steel Metallurgy Enterprises
Appendix C Illustration for Regionalism of Environment with Explosion and Fire Risk
Wording Explanation
1. General provisions
1.0.1 This code is formulated with a view to prevent and reduce the fire hazards for the ferrous metallurgy enterprises and to protect the personal safety and property safety.
1.0.2 This Code is applicable to the fire protection and prevention design of the newly-built, extended and rebuilt works for the ferrous metallurgy enterprises, and is inapplicable to those locations where the detonators or blasting materials are processed, stored, distributed and used within the ferrous metallurgy enterprises.
1.0.3 As for the ferrous metallurgy enterprises, the fire protection and prevention design shall combine the practices of the project; actively adopt new technologies, new processes, new materials and new equipments to accomplish safe application, state-of-the-art technology and economic feasibility.
1.0.4 If the ferrous metallurgy enterprise has two or more process plants, then the fire-fighting planning as well as fire protection and prevention design should be implemented in a unitive way.
1.0.5 For the fire protection and prevention design of the ferrous metallurgy enterprises, not only the requirements stipulated in this Code but also those in the current relevant ones of the nation shall be complied with.
2 Terminologies
2.0.1 Main workshop
It's referred to the workshop containing one or more main processes, such as steel-making workshop and hot rolling workshop.
2.0.2 Process plant
It's referred to the relatively independent production unit region, such as steel plant and captive power plant.
2.0.3 Main electrical room
It's referred to the room equipped with steel rolling motor, deflector, power transforming/distribution device and automatic control device.
2.0.4 Main control building (room)
It's referred to building equipped with automatic control device, power transforming/distribution devices, except the steel rolling workshop.
2.0.5 General step-down transformer substation
It's referred to the independent place of the ferrous metallurgy enterprise where the outside power supply is connected to the transformer for step-down so as to supply and distribute the power the whole plant.
2.0.6 Area transformer substation
It's referred to the distribution substation set up in the electrical load- concentrated area within the ferrous metallurgy enterprise.
2.0.7 Chamber
It's referred to the independent space excavated in the production part of the underground mine shaft.
3 Fire hazard classification, fire resistance grade and fire compartment
3.0.1 Fire hazard classification of production and store goods shall be in accordance with relevant regulations specified in current national standard "Code of Design on Building Fire Protection and Prevention" GB50016.
3.0.2 Fire resistance grade, combustion performance of elements and fire endurance of construction shall be in accordance with relevant regulations specified in current national standard "Code of Design on Building Fire Protection and Prevention" GB 50016.
3.0.3 Supporting member of monolayer main workshop in Type D and Type F may adopt metal construction without fire prevention protection, in which, parts that influenced by Type A, B and C liquid or combustible gas flame, or parts with radiant heat temperature higher than 200℃ when producing, shall have fire prevention and heat insulation protection.
3.0.4 Underground hydraulic pressure station and underground lube station should adopt reinforced concrete construction or masonry construction, and their fire resistance shall not be less than Grade two. Fire resistance of oil-immersed transformer room and high voltage distribution room shall not be less than grade two.
3.0.5 Cable interlayer and electrical basement should adopt reinforced concrete construction or masonry construction; their fire resistance shall not be less than grade two. When the cable interlayer adopts steel construction, it shall make fire prevention protection for the architecture elements and shall reach the requirement for grade two fire resistance.
3.0.6 When dry coal shed or indoor coal depot adopts steel construction, design height of the coal dump and steel construction within 1.5m scope shall adopt effective fire prevention protective measures, and its fire endurance shall not be less than 1.0h.
3.0.7 The maximal permissible building area of fire compartment for construction shall be in accordance with the following requirements:
1 Overground cable interlayer shall not be larger than 1000m2 and basement shall not be larger than 500m2; when setting automatic fire-extinguishing system, it may be enlarged by 1.0 time;
2 When the main workshop meets requirements specified in Article 3.0.3 and Article 5.2.5 of this code, its fire compartment area is not limited;
3 Coalpited fire compartment shall not be larger than 3000m2;
4 The maximal permissible building area in fire compartment of other building shall be in accordance with relevant regulations specified in current national standard "Code of Design on Building Fire Protection and Prevention" GB 50016.
3.0.8 Requirement for interior trim shall comply with relevant requirements specified in current national standard "Code for Fire Prevention in Design of Interior Decoration of Buildings" GB 50222.
Contents of GB/T 50414-2007
Foreword
1. General provisions
2 Terminologies
3 Fire hazard classification, fire resistance grade and fire compartment
4 General arrangement
4.1 General requirement
4.2 Fire break
4.3 Layout of pipeline
5 Safety evacuation and building construction
5.1 Safety evacuation
5.2 Building construction
5.3 Explosion-proof of construction
6 Process system
6.1 Mining and mineral separation
6.2 Integrated stock yard
6.4 Refractory material and metallurgical lime
6.5 Sintering and pelletizing
6.6 Iron-making
6.7 Steel-making
6.8 Ferroalloy
6.9 Hot rolling and heat process
6.10 Cold rolling and cold processing
6.11 Metal processing and testing
6.12 Hydrodynamic lubrication system
6.13 Combustion-supporting gas, gases and fuel facilities
6.14 Other auxiliary facilities
7 Automatic fire alarm systems
8 Fire water supply and fire-extinguishing facilities
8.1 General requirements
8.2 Indoor and outdoor fire water supply
8.3 Setting site of automatic fire-extinguishing system
8.4 Fire-water pond, fire pump room, and fire water box
8.5 Fire water discharge
9 Heating, ventilation, air conditioning, smoke-proof and smoke emission
10 Electricity
10.1 Fire power supply and distribution
10.2 Power transformer and distribution system
10.3 Cable and cable laying
10.4 Lightning protection and electrostatic prevention
10.5 Fire emergency lighting and fire safety evacuation indictor sign
Appendix A Fire Detector Selected Type Illustration and Design of Area Cable Fire Alarm System in Iron Steel Metallurgy Enterprises
Appendix B Design for Fine Spray Fire Extinguishing System of Iron Steel Metallurgy Enterprises
Appendix C Illustration for Regionalism of Environment with Explosion and Fire Risk
Wording Explanation
