I.S. EN 61511-3:2017
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
Hardcopy , PDF
English
01-01-2017
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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
National Foreword
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
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