EVS-EN 50126-1:2005

This European Standard: - defines RAMS in terms of reliability, availabiliy, 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 reqiurements for RAMS and demonstrating that these requirements are achieved; - adresses railway specifics; - does not define RAMS targets, quantities, requirements or solutions for specific railway applications; - does not specify requirements for ensuring system sucurity; - does not define rules or processes pertaining to the certification of railway produkts against the requirements of this standard; - does not define an approval process by the safety regulatory authority.