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OLF 070 : 2004

Current
Current

The latest, up-to-date edition.

Published date

01-12-2013

1 INTRODUCTION
1.1 SCOPE AND PURPOSE OF DOCUMENT
1.2 RISK REDUCTION, SIS AND SAFETY BARRIERS
2 THE IEC 61508 AND IEC 61511 STANDARDS
3 REFERENCES
4 ABBREVIATIONS AND DEFINITIONS
4.1 ABBREVIATIONS
4.2 DEFINITIONS
5 MANAGEMENT OF FUNCTIONAL SAFETY
5.1 OBJECTIVE
5.2 REQUIREMENTS
6 VERIFICATION, VALIDATION AND FUNCTIONAL SAFETY ASSESSMENT
6.1 INTRODUCTION
6.2 INTERPRETATION OF TERMS
6.3 VERIFICATION
6.4 VALIDATION
6.5 FUNCTIONAL SAFETY ASSESSMENT
7 DEVELOPMENT OF SIL REQUIREMENTS
7.1 OBJECTIVE
7.2 APPROACH
7.3 DEFINITION OF EUC
7.4 HAZARD AND RISK ANALYSIS
7.5 DEFINITION OF SAFETY FUNCTIONS
7.6 MINIMUM SIL REQUIREMENTS
7.7 HANDLING OF DEVIATIONS FROM THE MINIMUM SIL REQUIREMENTS
7.8 SAFETY REQUIREMENTS SPECIFICATION
8 SIS DESIGN AND ENGINEERING
8.1 OBJECTIVES
8.2 ORGANISATION AND RESOURCES
8.3 PLANNING
8.4 INPUT
8.5 REQUIREMENTS
8.6 SELECTION OF COMPONENTS
8.7 HMI - HUMAN MACHINE INTERFACE
8.8 INDEPENDENCE BETWEEN SAFETY SYSTEMS
8.9 FACTORY ACCEPTANCE TEST (FAT)
8.10 DOCUMENTATION FROM DESIGN PHASE
9 SIS INSTALLATION, MECHANICAL COMPLETION AND VALIDATION
9.1 OBJECTIVES
9.2 PERSONNEL AND COMPETENCE
9.3 REQUIREMENTS
10 SIS OPERATION AND MAINTENANCE
10.1 OBJECTIVE
10.2 OPERATION AND MAINTENANCE PLANNING
10.3 OPERATIONS AND MAINTENANCE PROCEDURES
10.4 COMPETENCE AND TRAINING
10.5 MAINTENANCE
10.6 COMPENSATING MEASURES UPON OVERRIDES AND FAILURES
10.7 REPORTING OF NON-CONFORMITIES AND DEMANDS
10.8 CONTINUOUS IMPROVEMENT OF OPERATION AND MAINTENANCE PROCEDURES
11 SIS MODIFICATION
11.1 OBJECTIVE OF MANAGEMENT OF CHANGE (MOC)
11.2 MOC PROCEDURE
11.3 MOC DOCUMENTATION
12 SIS DECOMMISSIONING
12.1 OBJECTIVES
12.2 REQUIREMENTS
APPENDIX A BACKGROUND FOR MINIMUM SIL REQUIREMENTS
A.1 INTRODUCTION
A.2 DATA DOSSIER
A.3 PSD FUNCTIONS
A.4 SEGREGATION THROUGH ESD WITH ONE ESD VALVE
A.5 BLOWDOWN
A.6 ISOLATION OF TOPSIDE WELL
A.7 ISOLATION OF RISER
A.8 FIRE DETECTION
A.9 GAS DETECTION
A.10 ELECTRICAL ISOLATION
A.11 FIREWATER SUPPLY
A.12 BALLASTING SAFETY FUNCTIONS
A.13 ISOLATION OF SUBSEA WELL
A.14 DRILLING AND WELL INTERVENTION
A.15 MANUAL INITIATORS
A.16 REFERENCES
APPENDIX B EXAMPLES ON HOW TO DEFINE EUC
B.1 INTRODUCTION
B.2 DEFINITION OF EUC FOR LOCAL SAFETY FUNCTIONS
B.3 DEFINITION OF EUC FOR GLOBAL SAFETY FUNCTIONS
APPENDIX C HANDLING OF DEVIATIONS - USE OF QRA
C.1 INTRODUCTION
C.2 EXAMPLES ON HANDLING OF DEVIATIONS (EXAMPLE 1 AND 2)
C.3 VERIFICATION BY QRA OF A STATED SAFETY INTEGRITY LEVEL (EXAMPLE 3)
C.4 QRA AND IEC 61508
APPENDIX D QUANTIFICATION OF PROBABILITY OF FAILURE ON DEMAND (PFD)
D.1 RELATION BETWEEN PFD AND OTHER MEASURES FOR LOSS OF SAFETY
D.2 FAILURE CLASSIFICATION
D.3 COMMON CAUSE FAILURE MODEL
D.4 CALCULATION OF PFDUK
D.5 CALCULATION OF PFDK
D.6 WHY SHOULD WE ALSO QUANTIFY SYSTEMATIC FAILURES (PSF)?
D.7 RECOMMENDED APPROACH FOR QUANTIFICATION OF LOSS OF SAFETY WHEN IEC 61508 IS USED
D.8 EXAMPLE QUANTIFICATION
D.9 COMMON CAUSE FAILURES BETWEEN DIFFERENT TYPES OF COMPONENTS (DIVERSITY2
D.10 SOME USEFUL FORMULAS
D.11 REFERENCES
APPENDIX E LIFECYCLE PHASES, ACTIVITIES AND DOCUMENTATION
E.1 LIFECYCLE PHASES FOR A TYPICAL OFFSHORE PROJECT
E.2 SRS STRUCTURE AND CONTENT
E.3 SAR STRUCTURE AND CONTENT
APPENDIX F SIL FOLLOW UP 136
F.1 OVERVIEW OF OPERATION AND MAINTENANCE ACTIVITIES FOR SIL WORK
F.2 PROCEDURES FOR UPDATE OF TEST INTERVALS
F.3 ACTUAL SHUTDOWNS AS TEST
APPENDIX G INDEPENDENCE BETWEEN SAFETY FUNCTIONS
G.1 IMPLEMENTATION OF INDEPENDENCE BETWEEN SYSTEMS
G.2 CONNECTION BETWEEN SYSTEMS
G.3 CONNECTIONS TO EXTERNAL SYSTEMS
G.4 DATA FLOW BETWEEN SYSTEMS

The purpose of this document is to adapt and simplify the application of the IEC 61508 and IEC 61511 standards for use in the Norwegian petroleum industry.

DocumentType
Standard
PublisherName
Norwegian Oil Industry Association
Status
Current

11/30253360 DC : 0 BS EN ISO 13628-14 - PETROLEUM AND NATURAL GAS INDUSTRIES - DESIGN AND OPERATION OF SUBSEA PRODUCTION SYSTEMS - PART 14: SUBSEA HIGH INTEGRITY PRESSURE PROTECTION SYSTEMS (HIPPS)
NORSOK D 001 : REV 3 COR 2013 DRILLING FACILITIES
NORSOK P 002 : REV 1 AC 2017 PROCESS SYSTEM DESIGN
I.S. EN ISO 14224:2016 PETROLEUM, PETROCHEMICAL AND NATURAL GAS INDUSTRIES - COLLECTION AND EXCHANGE OF RELIABILITY AND MAINTENANCE DATA FOR EQUIPMENT (ISO 14224:2016)
NORSOK D-002 : 2013 WELL INTERVENTION EQUIPMENT
NORSOK I 001 : 2010 FIELD INSTRUMENTATION
ISO 14224:2016 Petroleum, petrochemical and natural gas industries Collection and exchange of reliability and maintenance data for equipment
API 17O : 2014 SUBSEA HIGH INTEGRITY PRESSURE PROTECTION SYSTEMS (HIPPS)
BS EN ISO 14224:2016 Petroleum, petrochemical and natural gas industries. Collection and exchange of reliability and maintenance data for equipment

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
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 61508-4:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 4: Definitions and abbreviations (see Functional Safety and IEC 61508)
IEC 61508-3:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 3: Software requirements (see Functional Safety and IEC 61508)
ISO 17776:2016 Petroleum and natural gas industries Offshore production installations Major accident hazard management during the design of new installations
ISO 10418:2003 Petroleum and natural gas industries Offshore production installations Analysis, design, installation and testing of basic surface process safety systems
IEC 61511-3:2016 Functional safety - Safety instrumented systems for the process industry sector - Part 3: Guidance for the determination of the required safety integrity levels
IEC 61511-2:2016 Functional safety - Safety instrumented systems for the process industry sector - Part 2: Guidelines for the application of IEC 61511-1:2016
ISO 9000:2015 Quality management systems — Fundamentals and vocabulary
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 61508-1:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see Functional Safety and IEC 61508)
IEC 61508-7:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 7: Overview of techniques and measures (see Functional Safety and IEC 61508)
ISO 13702:2015 Petroleum and natural gas industries — Control and mitigation of fires and explosions on offshore production installations — Requirements and guidelines
IEC 61508-2:2010 Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 2: Requirements for electrical/electronic/programmable electronic safety-related systems (see Functional Safety and IEC 61508)

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