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  • CEI CLC/TR 50451 : 2008

    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

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee CT 9
    Development Note Classificazione CEI 9-106. Supersedes CEI R009-004. (02/2008)
    Document Type Standard
    Publisher Comitato Elettrotecnico Italiano
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    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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