National Foreword
Introduction
1. Scope
2. Normative references
3. Definitions and abbreviations
3.1 Definitions
3.2 Abbreviations
4. Overall framework of this standard
5. Conditions for safety acceptance and approval
5.1 The Safety Case
5.2 Evidence of quality management
5.3 Evidence of safety management
5.4 Evidence of functional and technical safety
5.5 Safety acceptance and approval
Figures
1 Scope of CENELEC railway standards
2 Structure of this standard (ENV 50129)
3 Structure of Safety Case
4 Example of system life-cycle
5 Example of design and validation portion of system
life-cycle
6 Arrangements for independence
7 Structure of Technical Safety Report
8 Safety acceptance and approval process
9 Examples of dependencies between Safety Cases/Safety
Approvals
Annexes
A (normative) Safety Integrity Levels
B (normative) Additional technical requirements
C (normative) Identification of hardware component failure
modes
D (informative) Supplementary technical information
E (informative) Techniques and Measures for safety-related
electronic systems for signalling for the
avoidance of systematic faults and the
control of random and systematic faults
(informative) Bibliography