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BS 5760-18:2010

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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Reliability of systems, equipment and components Guide to the demonstration of dependability requirements. The dependability case

Available format(s)

Hardcopy , PDF

Superseded date

31-05-2015

Superseded by

BS EN 62741:2015

Language(s)

English

Published date

31-05-2010

€306.17
Excluding VAT

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Purpose and description of the dependability case
5 Principles of the dependability case
6 Development of the dependability case
7 Providing the evidence
8 Presenting evidence
9 Assessing the adequacy of evidence
Annexes
Annex A (informative) - General requirements for the
        dependability case and dependability case report
Annex B (informative) - Examples of dependability
        management risks at the different stages of a
        systems life cycle
Annex C (informative) - Checklist of points for assessing
        the adequacy of evidence
Annex D (informative) - Dependability risk reduction process
Annex E (informative) - Dependability case evidence framework
Bibliography

Gives a description of the principles of the dependability case and provides guidance on its content and application in systems engineering.

Committee
DS/1
DevelopmentNote
Supersedes 09/30202368 DC. (06/2010) Superseded by BS EN 62741, but remains current and will be withdrawn on 24/03/2018. (05/2015)
DocumentType
Standard
Pages
48
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

This part of BS 5760 provides a description of the principles of the dependability case and provides guidance on its content and application in systems engineering. The dependability case can be used throughout the life cycle, from concept and definition, through design and development; manufacture and installation, to operations and maintenance; mid-life enhancement, and eventual disposal. Whilst this part of BS 5760 is primarily intended for application by the system developers, it will be of value to bodies who might be contracted to manage the dependability case for a project, where deemed necessary. This part of BS 5760 has five main clauses which describe: principles of the dependability case (Clause 5); development of the dependability case (Clause 6); providing the evidence (Clause 7); presenting the evidence (Clause 8); assessing the adequacy of the evidence (Clause 9). The activities required for the achievement of dependability depend on the nature and development state of the system and are likely to vary significantly from one project to another. The guidelines are not to be considered as being prescriptive in nature: they are generic and do not attempt to be exhaustive. Annex A describes the general requirements for the dependability case and dependability case report Annex B provides examples of dependability management risks at different stages of a system’s life cycle. Annex C provides a checklist of points for assessing the adequacy of evidence. The checklist is not to be considered to be prescriptive or exhaustive; it is generic and provides guidance to supplement the generic guidance provided in Clause 8. Annex D describes the dependability risk reduction process shown in Figure 7 using illustrative examples where appropriate. Annex E describes the dependability evidence framework, expanding on the information given in 5.1. Whilst this part of BS 5760 does not specifically address safety cases, the same principles can be applied.

BS EN 61508-3:2010 Functional safety of electrical/electronic/ programmable electronic safety-related systems Software requirements
BS CECC 00804:1996 Harmonized system of quality assessment for electronic components. Interpretation of \'EN ISO 9000:1994\'. Reliability aspects for electronic components
BS 4778-3.2:1991 Quality vocabulary. Availability, reliability and maintainability terms Glossary of international terms - 3.2 glossay of international terms
BS EN 60300-2:2004 Dependability management Guidelines for dependability management
BS EN ISO 9000:2015 Quality management systems. Fundamentals and vocabulary
BS EN 60300-1:2014 Dependability management Guidance for management and application

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