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A Straightforward Guide to Applying IEC 61508 and Related Standards
To order this title, and for more information, click here
Second Edition
By
David Smith, BSc, PhD, CEng, FIEE, FIQA, HonFSaRS, MIGasE., Independent Consultant, Technis, Tonbridge, U.K.
Kenneth Simpson, MPhil, FIEE, FInstMC, MIGasE., Managing Director of Silvertech, U.K. Member of the IEC 61508 committee structure.
Description
Electrical, electronic and programmable electronic systems, such as emergency shut down systems and railway signalling systems, increasingly
carry out safety functions to guard workers and the public against injury or death and the environment against pollution. The international
standard IEC 61508 has been developed as a generic standard that applies to all these systems irrespective of their application.
IEC
61508 is seen by many professionals as complex. This book overcomes that complexity by introducing the standard in the context of safety
in general before moving on to provide practical advice about implementing it and obtaining certification. It also explains how IEC 61508
relates to second tier standards and related guidance, such as IEC 61511, 61513, UKOOA, ISA S84.01 and DIN standards, among others. Throughout
the text, the authors illustrate their explanations with examples to which the answers are supplied in the appendix. Four case studies
with further exercises set the information in context. Templates and checklists for drawing up your own implementation plan and information
on self-certification are also provided.
As Functional Safety, the standard, is applicable to many industries, Functional Safety,
the book, in its previous edition has proved to be an invaluable reference for professionals from a variety of industries, such as project/instrumentation/design/control
engineers as well as safety professionals in oil and gas, chemical, rail, power generation, nuclear, aircraft, and automotive industries.
The new edition includes a new chapter on IEC 61511, the process sector standard, published since the first edition. The text has been
updated throughout in light of the authors' recent experience and two case studies have been added.
Dr. David J Smith,
BSc, PhD, CEng, FIEE, HonFSaRS, FIQA, MIGasE, has been directly concerned with reliability, safety and software quality for 30 years.
He has written a number of books on the subject as well as numerous papers. His PhD thesis was on the subject of reliability prediction
accuracy and common cause failure. He chairs the IGasE panel which develops its guidelines on safety-related systems (now in its third
edition). He has also made contributions to IEC 61508.
Kenneth G. L. Simpson, MPhil, FIEE, FInstMC, MIGasE, has been
associated with safety-related systems design and also with their assessment for 25 years. He is a member of the IEC 61508 drafting committee
and also of the I Gas E panel which writes the gas industry guidance. Following a career in aerospace, Ken has spent 20 years in the
control system industry and is a Director of Silvertech International plc, a leading designer of safety and control systems. He has written
a number of papers on the topic and gives frequent talks.
Audience
Safety professionals; project / instrumentation / design / cost / control engineers in chemical, rail, power generation, nuclear, aircraft, and automotive industries.
Contents
A quick overview.
Acknowledgements.
PART A - THE CONCEPT OF SAFETY-INTEGRITY
The Meaning and Context of safety-integrity
targets:
Risk and the need for safety targets.
Quantitative and qualitative safety targets.
The life-cycle approach.
Basic steps
in the assessment process.
Costs.
The 7 Parts of IEC 61508.
PART B - THE BASIC REQUIREMENTS OF IEC 61508 AND 61511
Meeting IEC 61508 Part 1:
Functional safety management & competence.
Establishing SIL targets.
Applying ALARP.
Meeting
IEC 61508 Part 2:
Organising and managing the design.
Requirements involving the specification.
Requirements for design and
development.
Integration and test.
Operations and maintenance.
Proven in use.
Validation.
Modifications.
Acquired sub-systems.
?Proven
in use?.
Presenting the results.
Demonstration Template.
Meeting IEC 61508 Part 3:
Organising and managing the software
engineering.
Requirements involving the specification.
Requirements for design and development.
Integration and test.
Operations and
maintenance.
Modifications.
Some technical comments.
?Proven in use?.
Presenting the results.
Demonstration Template.
Meeting
IEC 61511:
Organising and managing the software life-cycle.
Requirements involving the specification.
Requirements for design
and development.
Integration and test.
Validation.
Modifications.
Installation and commissioning.
Operations and maintenance.
Presenting
the results.
PART C - THE QUANTITATIVE ASSESSMENT
Reliability modelling techniques (incl human error) :
Failure rate and unavailability.
Creating a reliability model.
Taking account of auto-test.
Human error/ human factors.
Failure
rate and mode data:
Data accuracy.
Sources of data.
Data ranges and confidence levels.
Conclusions.
PART D - RELATED
ISSUES
Some comments on Part 6 of IEC 61508:
Overview.
The quantitative Tables (Annex B).
The software safety-integrity
Tables (Annex E).
Second tier and related guidance documents:
IEC 61511 (Process).
I Gas E SR/15.
UKOOA (Offshore).
ISA S84.01 (Instrumentation).
OLF-077 (Norwegian).
EN50126 (railways).
UK MOD (Defence).
MISRA guidelines (motor).
MISRA C Code guidelines.
IEC 61513 (Nuclear).
EEMUA Guidelines.
RTCA DO178 (civil air).
DIN Standards.
?Machinery? documents.
NPL Software guidelines.
SEMSPLC
(programmable controllers).
Certification:
Demonstrating Conformance.
The Current Framework for Certification.
Self
Certification.
Other Types of ?Certification?.
Preparing for assessment.
Summary.
PART E - EXAMPLES IN THE FORM OF EXERCISES & EXAMPLES
Pressure control case study (exercise).
Burner control assessment (example).
SIL targeting - Some practical examples.
Hypothetical rail train braking case study (example).
Appendices:
Functional safety capability – Template procedure.
Assessment schedule (checklist).
Betaplus CCF model, checklists.
Assessing safe failure fraction and diagnostic coverage.
Answers to
examples.
References.
High and low demand.
Some terms and jargon.
Index.
| Bibliographic details |
Hardbound, 280 pages, publication date: JUN-2004
ISBN-13: 978-0-7506-6269-7
ISBN-10: 0-7506-6269-7
Imprint: BUTTERWORTH HEINEMANN
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GBP 46.99
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Last update: 30 Nov 2009
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