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CEI CLC/TR 50451 : 2008

Current
Current

The latest, up-to-date edition.

RAILWAY APPLICATIONS - SYSTEMATIC ALLOCATION OF SAFETY INTEGRITY REQUIREMENTS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2008

Publisher

Comitato Elettrotecnico Italiano

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
Current
Supersedes

Standards Relationship
CLC/TR 50451:2007 Identical

ISO/IEC 15026:1998 Information technology System and software integrity levels
R009-001 : 1997 RAILWAY APPLICATIONS COMMUNICATION, SIGNALLING AND PROCESSING SYSTEMS HAZARDOUS FAILURE RATES AND SAFETY INTEGRITY LEVELS (SIL)
EN 50128:2011/AC:2014 RAILWAY APPLICATIONS - COMMUNICATION, SIGNALLING AND PROCESSING SYSTEMS - SOFTWARE FOR RAILWAY CONTROL AND PROTECTION SYSTEMS
ISA 84.01 : 1996 APPLICATION OF SAFETY INSTRUMENTED SYSTEMS FOR THE PROCESS INDUSTRIES
DEFSTAN 00-56(PT1)/7(2017) : 2017 SAFETY MANAGEMENT REQUIREMENTS FOR DEFENCE SYSTEMS - PART 1: REQUIREMENTS
EN 50129 : 2003 COR 2010 RAILWAY APPLICATIONS - COMMUNICATION, SIGNALLING AND PROCESSING SYSTEMS - SAFETY RELATED ELECTRONIC SYSTEMS FOR SIGNALLING
EN 50126-1:2017 Railway Applications - The Specification and Demonstration of Reliability, Availability, Maintainability and Safety (RAMS) - Part 1: Generic RAMS Process
EN 50121-5:2017 Railway applications - Electromagnetic compatibility - Part 5: Emission and immunity of fixed power supply installations and apparatus

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Hardcopy - English
PDF - English
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