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EN 61511-3:2017

Current

Current

The latest, up-to-date edition.

Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels

Published date

21-04-2017

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FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
Annex A (informative) - Risk and safety
        integrity - general guidance
Annex B (informative) - Semi-quantitative
        method - event tree analysis
Annex C (informative) - The safety layer
        matrix method
Annex D (informative) - A semi-qualitative method:
        calibrated risk graph
Annex E (informative) - A qualitative method:
        risk graph
Annex F (informative) - Layer of protection
        analysis (LOPA)
Annex G (informative) - Layer of protection analysis
        using a risk matrix
Annex H (informative) - A qualitative approach for
        risk estimation & safety integrity level
        (SIL) assignment
Annex I (informative) - Designing & calibrating a
        risk graph
Annex J (informative) - Multiple safety systems
Annex K (informative) - As low as reasonably
        practicable (ALARP) and tolerable risk
        concepts
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

IEC 61511-3:2016 is available as IEC 61511-3:2016

RLV which contains the International Standard and its Redline

version, showing all changes of the technical content compared to

the previous edition.





IEC 61511-3:2016 applies when functional safety is achieved using one or more SIF for the protection of either personnel, the general public, or the environment; may be applied in non-safety applications such as asset protection; illustrates typical hazard and risk assessment methods that may be carried out to define the safety functional requirements and SIL of each SIF; illustrates techniques/measures available for determining the required SIL; provides a framework for establishing SIL but does not specify the SIL required for specific applications; does not give examples of determining the requirements for other methods of risk reduction. This second edition cancels and replaces the first edition published in 2003. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: Additional H&RA example(s) and quantitative analysis consideration annexes are provided.

Committee
CLC/TC 65X
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

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EN 1012-3:2013 Compressors and vacuum pumps - Safety requirements - Part 3: Process compressors
12/30258747 DC : DRAFT MAR 2012 BS EN 12583 - GAS INFRASTRUCTURE - COMPRESSOR STATIONS - FUNCTIONAL REQUIREMENTS
15/30274589 DC : 0 BS EN ISO 17776 - PETROLEUM AND NATURAL GAS INDUSTRIES - OFFSHORE PRODUCTION INSTALLATIONS - MAJOR ACCIDENT HAZARD MANAGEMENT DURING THE DESIGN OF NEW INSTALLATIONS
BS EN 62282-5-1:2012 Fuel cell technologies Portable fuel cell power systems. Safety
BS EN 1474-3:2008 Installation and equipment for liquefied natural gas. Design and testing of marine transfer systems Offshore transfer systems
VDI 3678 Blatt 1:2011-09 Electrostatic precipitators - Process and waste gas cleaning
BS EN 1012-3:2013 Compressors and vacuum pumps. Safety requirements Process compressors
DIN EN 1474-3:2009-02 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 3: OFFSHORE TRANSFER SYSTEMS
I.S. EN 1474-3:2008 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 3: OFFSHORE TRANSFER SYSTEMS
UNI EN 1012-3 : 2014 COMPRESSORS AND VACUUM PUMPS - SAFETY REQUIREMENTS - PART 3: PROCESS COMPRESSORS
UNE-EN 62282-3-1:2011 Fuel cell technologies - Part 3-1: Stationary fuel cell power systems - Safety
BS EN 62282-3-1:2007 Fuel cell technologies Stationary fuel cell power systems. Safety
BS EN 62551:2012 Analysis techniques for dependability. Petri net techniques
UNE-EN 61882:2017 Hazard and operability studies (HAZOP studies) - Application guide
BS EN 61882:2016 Hazard and operability studies (HAZOP studies). Application guide
BS EN 60079-29-3:2014 Explosive atmospheres Gas detectors. Guidance on functional safety of fixed gas detection systems
UNI EN 1474-3 : 2009 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN AND TESTING OF MARINE TRANSFER SYSTEMS - PART 3: OFFSHORE TRANSFER SYSTEMS
I.S. EN 62282-3-3:2008 FUEL CELL TECHNOLOGIES - PART 3-3: STATIONARY FUEL CELL POWER SYSTEMS - INSTALLATION
EN 1474-3:2008 Installation and equipment for liquefied natural gas - Design and testing of marine transfer systems - Part 3: Offshore transfer systems
BS EN 62282-3-3:2008 Fuel cell technologies Stationary fuel cell power systems. Installation
EN 60079-29-3:2014 Explosive atmospheres - Part 29-3: Gas detectors - Guidance on functional safety of fixed gas detection systems
EN 62551 : 2012 ANALYSIS TECHNIQUES FOR DEPENDABILITY - PETRI NET TECHNIQUES (IEC 62551:2012)
EN 62282-5-1:2012 FUEL CELL TECHNOLOGIES - PART 5-1: PORTABLE FUEL CELL POWER SYSTEMS - SAFETY (IEC 62282-5-1:2012)

IEC 61025:2006 Fault tree analysis (FTA)
EN 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3
IEC 62551:2012 Analysis techniques for dependability - Petri net techniques
IEC 61511-1:2016+AMD1:2017 CSV Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements
CEN ISO/TR 12489:2016 Petroleum, petrochemical and natural gas industries - Reliability modelling and calculation of safety systems (ISO/TR 12489:2013)
IEC 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels (see Functional Safety and IEC 61508)
IEC 61165:2006 Application of Markov techniques
EN 61165:2006 Application of Markov techniques
EN 62551 : 2012 ANALYSIS TECHNIQUES FOR DEPENDABILITY - PETRI NET TECHNIQUES (IEC 62551:2012)
EN 61025:2007 Fault tree analysis (FTA)
EN 61508-5:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 5: Examples of methods for the determination of safety integrity levels
ISO/TR 12489:2013 Petroleum, petrochemical and natural gas industries Reliability modelling and calculation of safety systems
IEC 61508-6:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 (see Functional Safety and IEC 61508)
IEC TS 62556:2014 Ultrasonics - Field characterization - Specification and measurement of field parameters for high intensity therapeutic ultrasound (HITU) transducers and systems

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