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CEI CLC/TR 50451 : 2008

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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RAILWAY APPLICATIONS - SYSTEMATIC ALLOCATION OF SAFETY INTEGRITY REQUIREMENTS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Superseded date

22-07-2025

Superseded by

CEI EN 50129:2019-03

£127.71
Excluding VAT
Summarise this standard

Executive summary
Introduction
1 Scope
2 References
3 Definitions
4 Symbols and abbreviations
5 Safety Integrity Levels allocation framework
6 System definition
7 Hazard identification
8 Risk analysis
9 System design analysis
Annex A - Single-line signalling system example
Annex B - Level crossing example
Annex C - Comparison of demand and continuous mode
Annex D - Frequently asked questions

Specifies a method to determine the required Safety Integrity Level of railway signalling equipment taking in consideration: - the operational conditions of the railway, and - the architecture of the signalling system.

Committee
CT 9
DevelopmentNote
Classificazione CEI 9-106. Supersedes CEI R009-004. (02/2008)
DocumentType
Standard
Pages
90
PublisherName
Comitato Elettrotecnico Italiano
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
CLC/TR 50451:2007 Identical

⚠

A newer version of this standard is available.

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£127.71
Excluding VAT