Standard

NEN-EN 50126-1:1999 en

Railway applications - The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS):Part 1: Basic requirements

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  • This norm is withdrawn since 01-10-2017

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About norm

Status Withdrawn
Number of pages 76
Committee Elektrisch materieel, systemen en elektronische toepassingen voor spoorwegen en soortgelijk geleid vervoer
Published on 01-11-1999
Language English
This standard: - defines RAMS in terms of reliability, availability, maintainability and safety and their interaction; - defines a process, based on the system lifecycle and tasks within it, for managing RAMS; - enables conflicts between RAMS elements to be controlled and managed effectively; - defines a systematic process for specifying requirements for RAMS and demonstrating that these requirements are achieved; - addresses railway specifics; - does not define RAMS targets, quantities, requirements or solutions for specific railway applications; - does not specify requirements for ensuring system security; - does not define rules or processes pertaining to the certification of railway products against the requirements of this standard; - does not define an approval process by the safety regulatory authority. This standard is applicable: - to the specification and demonstration of RAMS for all railway applications and at all levels of such an application, as appropriate, from complete railway routes to major systems within a railway route, and to individual and combined sub-systems and components within these major systems, including those containing software; in particular: to new systems; to new systems integrated into existing systems in operation prior to the creation of this standard, although it is not generally applicable to other aspects of the existing system; to modifications of existing systems in operation prior to the creation of this standard, although it it not generally applicable to other aspects of the existing system. - at all relevant phases of the lifecycle of an application; - for use by Railway Authorities and the railway support industry.

Details

ICS-code 29.280
45.020
Dutch title Spoorwegen en soortgelijke geleid vervoer - De specificatie en het bewijs van de bruikbaarheid, beschikbaarheid, onderhoudbaarheid en veiligheid - Deel 1: Basiseisen
English title Railway applications - The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS):Part 1: Basic requirements
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