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GB/T 40620-2021: Guidelines for fire hazard analyses in nuclear power plants
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 40620-2021 | English | 219 |
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Guidelines for fire hazard analyses in nuclear power plants
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GB/T 40620-2021
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Basic data | Standard ID | GB/T 40620-2021 (GB/T40620-2021) | | Description (Translated English) | Guidelines for fire hazard analyses in nuclear power plants | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F63 | | Word Count Estimation | 11,181 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40620-2021: Guidelines for fire hazard analyses in nuclear power plants---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Guidelines for fire hazard analyses in nuclear power plants
ICS 27.120.20
CCSF63
National Standards of People's Republic of China
Guidelines for Fire Hazard Analysis of Nuclear Power Plants
Released on 2021-10-11
2022-05-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed and managed by the National Nuclear Energy Standardization Technical Committee (SAC/TC58).
Drafting organizations of this document. Institute of Nuclear Industry Standardization, Nuclear and Radiation Safety Center of Ministry of Ecology and Environment, China Nuclear Power Engineering Co., Ltd.,
China General Nuclear Power Engineering Co., Ltd., Shanghai Nuclear Engineering Research and Design Institute Co., Ltd., China Nuclear Power Operation Management Co., Ltd., China Nuclear Power Development
center.
The main drafters of this document. Huang Jun, Xiao Jun, Chen Lin, Ren Zhaoying, Yan Zhen, Yang Guangyuan, Jiang Bo, Liang Xueyuan, Liu Wenhua, Wang Le, Li Zhaohua,
Zhu He, He Le, Men Changhua, Deng Ruiyuan, Zhang Hongwei, Wu Feifei, Zhang Xueyao.
Guidelines for Fire Hazard Analysis of Nuclear Power Plants
1 Scope
This document provides guidelines for fire hazard analysis of nuclear power plants, including data collection, fire development analysis and fire effect analysis, prevention
Evaluation of adequacy of fire safety measures, iterative analysis and quality assurance, etc.
This document is applicable to the nuclear island plant and other nuclear safety related plants of the newly built or in operation onshore fixed thermal neutron reactor nuclear power plant and other nuclear safety related plants.
For the fire hazard analysis of equipment workshops, other types of nuclear power plants and nuclear facilities can be used as a reference.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
HAD103/10 Nuclear power plant operation fire safety
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Combustion
The exothermic reaction between a substance and oxygen is usually accompanied by the production of flames, and/or light emission, and/or the production of smoke.
3.2
Fire
A combustion process characterized by heat emission and accompanied by smoke or flame or both, spreading in time or space in an uncontrollable form.
3.3
Fire barrier
A barrier used to limit the consequences of a fire.
Note. Including walls, floors, ceilings or devices used to block door openings, gates, penetrating parts and ventilation systems.
3.4
Fire zone firecompartment
A factory building or part of a factory building constructed to prevent the fire from spreading within a specified time.
Note. The fire zone may consist of one or more rooms, all of which are surrounded by fire barriers.
3.5
Fire zone firecel
In order to protect important safety items, set up fire protection facilities (such as limiting the amount of combustible materials, space separation, fixed fire extinguishing systems, fire protection coatings)
Or other facilities) to isolate the fire area.
Note. Through this setting, the isolated system will not be significantly damaged.
3.6
Fire load
The sum of all combustible materials (including walls, partitions, floors and ceiling surfaces) that may be burned to release heat in the space.
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