Standard No.:	GB/T 45420-2025
English Name:	Specification standard for risk management of hazardous chemicals safety production
Chinese Name:	危险化学品安全生产风险分级管控技术规范
Professional Classification:	GB    National Standard
Source Content Issued by:	SAMR; SAC
Issued on:	2025-02-28
Implemented on:	2025-9-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	44500 words
Translation Price(USD):	1335.0
Delivery:	via email in 1~5 business day

GB/T 45420-2025 Specification standard for risk management of hazardous chemicals safety production English, Anglais, Englisch, Inglés, えいご This is a draft translation for reference among interesting stakeholders. The finalized translation (passing through draft translation, self-check, revision and verification) will be delivered upon being ordered.) ICS 13.200 CCS C 66 National Standards of the People's Republic of China GB/T 45420-2025 Technical specifications for classified management and control of hazardous chemicals safety production risks 危险化学品安全生产风险分级管控技术规范 (English Translation) Issue date: 2025-02-28 Implementation date: 2025-09-01 Issued by the State Administration for Market Regulation the Standardization Administration of the People's Republic of China Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Basic requirements 5 Risk assessment 6 Risk Control 7 Risk dynamic monitoring 8 Validation Method Annex A (Standardization) Basic procedures for safety risk management and control Annex B (Normative) Intrinsic Safety Assessment Methods for Hazardous Chemicals Production Plant Annex C (Normative) Main Risk Management Activities in the R&D Phase of New Process, New Equipment and Facilities Annex D (Informative) Process Safety Risk Information Annex E (informative) Commonly used risk identification and analysis methods Annex G (Informative) Change Safety Review Form Annex H (Informative) Risk Matrix and Application Examples · Annex I (Informative) Method for classification of inherent risks of installation facilities Annex J (Informative) Installation Facility Risk List Annex K (informative) Risk-based key parameter determination methodology Annex L (Informative) Risk Calculation Process and Method of Installation and Facilities Bibliography Law on Technical Specifications for Risk Classification Management and Control of Hazardous Chemicals Safety Production 1 Scope This document stipulates the technical requirements for risk assessment, risk control and dynamic risk monitoring for hierarchical management and control of hazardous chemicals safety production risks. This document is applicable to the safety production risk management and control of enterprises that produce, store and operate hazardous chemicals (with storage facilities). 2 Normative references The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, for the referenced document with a date, only the version corresponding to that date is applicable to this document; The latest version of the undated referenced document (including all amendments) is applicable to this document. GB 5085.1 Hazardous waste identification standards Corrosiveness identification GB 6441 Classification of casualties of employees in enterprises GB/T 13861 Classification and code of hazards and harmful factors in the production process GB/T 16483 Contents and item sequence of chemical safety technical specification GB/T 21109 Functional Safety of Safety Instrumentation Systems in Process Industry GB/T 24353 Risk Management Guide GB/T 27921 Risk management risk assessment techniques GB 30000.1 ~ GB 30000.29 Specification for Classification and Labeling of GB 30871 Safety Specifications for Special Operations in Hazardous Chemicals Enterprises GB/T 32857 Protective Layer Analysis (LOPA) Application Guide GB/T 35320 Hazard and Operability Analysis (HAZOP Analysis) Application Guide 3 Terms and definitions, abbreviations 3.1 Terms and attributes The following terms and definitions apply to this document 3.1.1 risk comprehensive measure of the likelihood and severity of the consequences of an undesired safety incident 3.1 2 facility installation Production equipment, tank farms, warehouses, loading and unloading facilities, pipe galleries, public works and other units and systems used for the production, storage and operation of hazardous chemicals 3.1.3 inherent risk inherent risk initial risk of the installation facility when no risk control measures are taken. 3.1.4 residual risk residual risk residual risk residual risk existing risk after the successful implementation of risk control measures, the risk magnitude has the characteristics of dynamic change 3.1.5 acceptable risk acceptable risks within a certain range according to today's social value orientation Note: Acceptable risks include low risks and general risks that meet the minimum reasonably practicable (ALARP) principle 3.1.6 risk assessment whole process of risk identification, risk analysis and risk assessment 3.1.7 risk control process of realizing acceptable residual risks by taking risk elimination, transfer or new risk reduction measures for unacceptable risks in the production process 3.2 Following abbreviations apply to this document. ALARP: Minimum reasonably practicable As Low As Reasonably Practicable CEA: Consequence impact analysis (Consequence Effect Analysis) CFD: Computational Fluid Dynamics EPS: Emergency power supply Emergency Power Supply ESD: Emergency stop system (Emergency Shutdown System) FDS: Fire Detection and Alarm System FMEA: Failure Mode and Impact Analysis Failure Mode and Effects Analysis GDS: Combustible and toxic gas detection and alarm system (Gas Detection System) HAZID: Hazard Identification HAZOP: Hazard and operability analysis (Hazard and Operability Analysis) ISA: Intrinsic safety analysis Inherent Safety Analysis JSA: Operational safety analysis Job Safety Analysis LOPA: Protective layer analysis Layer of Protection Analysis PFD: Process flow diagram (Process Flow Diagram) PHA: Process hazard analysis Process Hazard Analysis P&ID: Pipeline Instrument Flow Chart (Piping and Instrumentation Diagram) QRA: Quantitative risk assessment Quantitative Risk Assessment RBI: Risk-Based Inspection RC-Sheet: Risk Check Sheet RCM: Reliability-Centered Maintenance SCL: Safety Checklist SDS: Chemical Safety Data Sheet SIF: Safety instrument functions Safety Instrumented Function SIL: Security Integrity Level Safety Integrity Level SRS: Safety requirement specification Safety Requirement Specification UPS: Uninterruptible power supply Uninterruptible Power Supply 4 Basic requirements 4.1 Enterprises that produce, store and operate hazardous chemicals (with storage facilities) (hereinafter referred to as enterprises) should establish a dual prevention mechanism of safety risk classification management and control and hidden danger investigation and management, and ensure that the residual risks in the production process are in an acceptable state by implementing risk assessment, risk control and risk dynamic monitoring in accordance with the basic requirements of GB/T 24353 and GB/T 27921. The basic safety risk management and control procedures shall comply with the provisions of Annex A.