GB/T 42834-2023Functional safety of safety instumented system in oil and gas pipelines—Operation and maintenance requirements (English PDF)
油气管道安全仪表系统的功能安全 运行维护要求
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 6, 2023
Implementation date
March 1, 2024
Scope
GB/T 42834-2023 is the English-translated version of 油气管道安全仪表系统的功能安全 运行维护要求.
This document specifies the operation and maintenance of the safety instrumented system of an oil and gas pipeline: the basis on which it is carried out, the requirements for the personnel, for operation, for maintenance, for fault handling and for management.
The document applies to the operation and maintenance of safety instrumented systems in oil and gas pipelines.
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Document preview — GB/T 42834-2023
National Standard of the People's Republic of China
- ICS
- 25.040
- Classification
- N 10
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- Introduction
- 1 Scope
- 2 Normative reference documents
- 3 Terms and Definitions
- 4 Abbreviations
- 5 Basis for operation and maintenance
- 6 Personnel Requirements
- 6.1 Personnel Responsibilities
- 6.2 Personnel capabilities
- 7 Operational requirements
- 7.1 General requirements
- 7.2 Environmental requirements
- 7.3 SIS operating procedures
- 7.4 Network Security
- 7.5 Operational safety
- 8 Maintenance requirements
- 8.1 General requirements
- 8.2 Maintenance plan
- 8.3 Maintenance procedures
- 8.4 Maintenance content
- 8.5 Inspection Test
- 8.6 Maintaining security
- 9 Troubleshooting requirements
- 10 Management requirements
- 10.1 Change Management
- 10.2 Spare parts management
- 10.3 Document Management
- Appendix A (informative) Periodic maintenance content and cycle
- Appendix B (informative) Functional test method
- B.1 Actual action test
- B.2 Simulation test
- B.3 System redundancy function test
- Reference
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting.
Introduction
Safety instrumented systems (SIS) were developed in the 1980s and 1990s and are widely used in oil and gas pipelines for their high reliability, safety and flexibility.
It has been widely used in the field of Taoism. Implementing SIS and responding correctly to hazardous process conditions can reduce the frequency of hazardous events.
Or mitigate the consequences of hazardous events, so SIS is an important measure to ensure the safety of oil and gas pipeline production. At present, relevant functions have been released internationally Functional safety basic standard IEC 61508 (all parts) and functional safety application standard IEC 61511 (all parts) for the process industry, I China has transformed it into GB/T 20438 (all parts) "Functional safety of electrical/electronic/programmable electronic safety-related systems" and GB/T 21109 (all parts) "Functional safety of safety instrumented systems in the process industry".
The functional safety series standards of oil and gas pipeline SIS are GB/T 20438 (all parts) and GB/T 21109 (all parts) in oil and gas Applications in the pipeline field. The purpose of formulating this series of standards is to standardize the technical requirements for activities in each life cycle stage of SIS in the field of oil and gas pipelines. requirements, management requirements and application principles, promote the standardization of the application and management of SIS in the field of oil and gas pipelines, and ensure the safety of the oil and gas pipeline system Reliable operation. At present, this series of standards has released GB/T 32202 "Specifications for Functional Safety Assessment of Oil and Gas Pipeline Safety Instrument Systems" and GB/T 32203 "Specifications for Functional Safety Acceptance of Oil and Gas Pipeline Safety Instrument Systems".
The purpose of formulating this document is to guide and standardize the functional safety operation and maintenance activities of SIS in the field of oil and gas pipelines to ensure that it achieves and Maintain functional safety.
1 Scope
This document stipulates the operation and maintenance basis, personnel requirements, operation requirements, maintenance requirements, and fault handling requirements for oil and gas pipeline safety instrument systems. requirements and management requirements.
This document applies to the operation and maintenance of safety instrument systems for oil and gas pipelines.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.
GB/T 32202-2015 Specification for functional safety assessment of oil and gas pipeline safety instrumentation systems
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Dangerous failure
A failure that prevents or prevents a given safety action from being performed.
Note 1.A failure can only be said to be "dangerous" for a given SIF.
Note 2. When fault margin is implemented, a dangerous failure can result in.
- SIF downgrade, in which case safety actions can be performed, but there will be a higher PFD or PFH, or - SIF fails. In this case, safety actions cannot be performed at all or dangerous events have been induced.
Note 3. When failure margin is not implemented, all dangerous failures will cause SIF failure. [Source: GB/T 21109.1-2022,3.2.11]
3.2 Safety failure safe failure
May trigger the failure of a given safety action.
Note 1.A failure is "safe" only for a given safety function.
Note 2. When fault margin is implemented, safe failure results in.
- Continue to operate when the safety function is available, but with a higher success rate or a lower possibility of dangerous events;
- Trigger safety function malfunction.
Note 3. When failure margin is not implemented, a safety failure will trigger the safety function regardless of process conditions. This is also called a malfunction.
Note 4. Malfunction is safe for a given safety function, but may be dangerous for other safety functions.
Note 5. Malfunction may adversely affect the production availability of the process. [Source: GB/T 21109.1-2022,3.2.62]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.
Referenced standards
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