IEC TC 56

IEC TC 56 – Dependability

IEC Technical Committee 56 (IEC TC 56) develops International Standards related to dependability, which includes the reliability, availability, maintainability, and safety of systems, equipment, and processes.
These standards provide methods and guidelines for assessing system performance over time, including failure analysis, risk assessment, and life-cycle evaluation.

IEC TC 56 publications are widely used in industries such as power generation, aerospace, transportation, manufacturing, telecommunications, and industrial automation.
The standards help engineers design systems that operate consistently, minimize downtime, and ensure efficient maintenance strategies.

List of Standard (IEC TC 56):

Part 1 (IEC-60300 Bundle)

1. IEC 60300-1:2021 Dependability management – Part 1: Managing dependability
2. IEC 60300-3-1:2003   Part 3-1: Application guide – Analysis techniques for dependability – Guide on methodology
3. IEC 60300-3-2:2004   Part 3-2: Application guide – Collection of dependability data from the field
4. IEC 60300-3-3:2017    Part 3-3: Application guide – Life cycle costing
5. IEC 60300-3-4:2007    Part 3-4: Application guide – Specification of dependability requirements
6. IEC 60300-3-5:2001    Part 3-5: Application guide – Reliability test conditions and statistical test principles
7. IEC 60300-3-10:2001   Part 3-10: Application guide – Maintainability
8. IEC 60300-3-11:2009    Part 3-11: Application guide – Reliability centred maintenance
9. IEC 60300-3-12:2011    Part 3-12: Application guide – Integrated logistic support
10. IEC 60300-3-14:2004   – Part 3-14: Application guide – Supportability and support
11. IEC 60300-3-15:2009    Part 3-15: Application guide – Engineering of system dependability
12. IEC 60300-3-16:2008   Part 3-16: Application guide – Guidelines for specification of maintenance support services

Part 2 (IEC 31010 – IEC 62198)

1. IEC 31010:2019 Risk management – Risk assessment techniques
2. IEC 60605-2:1994 Equipment reliability testing – Part 2: Design of test cycles
3. IEC 60605-4:2001 Equipment reliability testing – Part 4: Statistical procedures for exponential distribution – Point estimates, confidence intervals, prediction intervals and tolerance intervals
4. IEC 60605-6:2007 Equipment reliability testing – Part 6: Tests for the validity and estimation of the constant failure rate and constant failure intensity
5. IEC 60706-2:2006 Maintainability of equipment – Part 2: Maintainability requirements and studies during the design and development phase
6. IEC 60706-3:2006 Maintainability of equipment – Part 3: Verification and collection, analysis and presentation of data
7. IEC 60706-5:2007 Maintainability of equipment – Part 5: Testability and diagnostic testing
8. IEC 60812:2018 Failure modes and effects analysis (FMEA and FMECA)
9. IEC 61014:2003 Programmes for reliability growth
10. IEC 61025:2006 Fault tree analysis (FTA)
11. IEC 61070:1991 Compliance test procedures for steady-state availability
12. IEC 61078:2016 Reliability block diagrams
13. IEC 61123:2019 Reliability testing – Compliance test plans for success ratio
14. IEC 61124:2012 Reliability testing – Compliance tests for constant failure rate and constant failure intensity
15. IEC 61160:2005 Design review
16. IEC 61163-1:2006 Reliability stress screening – Part 1: Repairable assemblies manufactured in lots
17. IEC 61163-2:1998 Reliability stress screening – Part 2: Components
18. IEC 61164:2004 Reliability growth – Statistical test and estimation methods
19. IEC 61165:2006 Application of Markov techniques
20. IEC 61649:2008 Weibull analysis
21. IEC 61650:1997 Reliability data analysis techniques – Procedures for comparison of two constant failure rates and two constant failure (event) intensities
22. IEC 61703:2016 Mathematical expressions for reliability, availability, maintainability and maintenance support terms
23. IEC 61709:2017 + COR-1–2019 Electric components – Reliability – Reference conditions for failure rates and stress models for conversion
24. IEC 61710:2013 Power law model – Goodness-of-fit tests and estimation methods
25. IEC 61882:2016 Hazard and operability studies (HAZOP studies) – Application guide
26. IEC 61907:2009 Communication network dependability engineering
27. IEC 62198:2013 Managing risk in projects – Application guidelines

Part 3 (IEC 62308 – IEC 63039)

1. IEC 62308:2006 Equipment reliability – Reliability assessment methods
2. IEC 62309:2004 Dependability of new products containing reused parts and life-extended products
3. IEC 62402:2019 SCAN Obsolescence management
4. IEC 62429:2007 Reliability growth – Stress testing for early failures in unique complex systems
5. IEC 62502:2010 Analysis techniques for dependability – Event tree analysis (ETA)
6. IEC 62506:2013 Methods for product accelerated testing
7. IEC 62508:2010 Guidance on human aspects of dependability
8. IEC 62550:2017 Spare parts provisioning
9. IEC 62551:2012 Analysis techniques for dependability – Petri net techniques
10. IEC 62628:2012 Guidance on software aspects of dependability
11. IEC 62673:2013 Methodology for communication network dependability assessment and assurance
12. IEC 62740:2015 Root cause analysis (RCA)
13. IEC 62741:2015 Demonstration of dependability requirements – The dependability case
14. IEC 62775:2016 Application guidelines – Technical and financial processes for implementing asset management systems
15. IEC 62853:2018 Open systems dependability
16. IEC 62960:2020 Dependability reviews during the life cycle
17. IEC 63039:2016 Probabilistic risk analysis of technological systems – Estimation of final event rate at a given initial state