EN 50126-3 PDF

Supersedes CLC/TR English version. Railway applications –. The specification and demonstration of. Reliability, Availability. BS PD CLC/TR Railway applications – The specification and demonstration of Reliability, Availability, Maintainability and Safety (RAMS) – Part 3. Buy CLC/TR Railway Applications – The Specification And Demonstration Of Reliability, Availability, Maintainability And Safety (rams) – Part 3.

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RAM documentation should be reviewed at this milestone to ensure that all the RAM Requirements have been properly achieved and to examine any problems arising. Guide to the application of EN -1 for rolling.

Thank you for interesting in our services. Also, in rolling stock contracts, there is now a greater emphasis on the impact on end customers of service failures and on the economic and risk considerations em RAMS i.

This application guide excludes: RAMS characteristics for rolling stock i. For IECwhich came into operation inwe see an attempt to The immediate cost consequences due to unavailability of the rolling stock can be the following: Identification number of 05126-3 wing or diagram containing the identif ication references of the LRUs under consideration code and description.

Get a quote for certification of systems, products or services, and get certified. Users eb responsible for its correct application.

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At each level identified in the hierarchy, every system identified becomes the next system under consideration and can be further decomposed into lower levels, as necessary. Generally, the depth of analyses is limited to the level of Breakdown Structure for which, data and specification of the technical and functional design is available in sufficient detail.

Specific requirements for composite insulators used for overhead contact line systems. Where Main Supplier introduces limitations, they should be discussed and agreed with the Customer.

Consequently, the analyses from the previous phase should be updated and detailed considerations given to the RAM. Implement an action plan to eradicate the problems or to mitigate their effects,!


Also, preliminary information on probable cause, including technical evaluation, could be included to enable allocation of acceptance criteria. Follow up of critical items! The list should only be considered as an aid for developing a more suitable and coherent list of hazards related to the rolling stock under consideration. The resultant deliverables of the preliminary RAM-related activities are: It should record and report the processing and implementation status of the modifications and the verification of their compliance with stated RAM Requirements.

The Main Supplier should indicate the cleaners compatible with the materials and coverings used.


Compatibility with axle counters. Depending on the definition of MUT and MDT, ej is possible to have different types of availability using the same formula: Safety related electronic systems for signalling BS EN This should be considered to ensure that maintenance costs from different operators or from different rolling stock Main Supplier are compared on the same equal basis.

We are a non-profit group that run this website to share documents. These characteristics define the conditions under which the rolling stock is required to accomplish its mission and constitute the reference conditions for: Establishing a breakdown structure of the rolling stock, gives a clear reference outline for all the activities and analyses for supporting RAM Programme through the Life Cycle.

The Main Supplier is responsible for providing visibility of the configuration management process through documented activities and periodic reviews. This guide deals with the application of RAM part of EN to rolling stock only, as stated in the Scope and clarifies areas where EN could be misinterpreted. As eb, the Customer may specify targets for important sub-systems of 05126-3 rolling stock e. The number of journeys running to schedule can be determined by the difference between the total number of scheduled journeys and the number of journeys not running to schedule due to rolling stock related causes.

Eh clause gives detailed information on phases 1, 2, 4 and 5 of system life cycle requirements described in 6. Solutions used should, to the maximum extent, make it possible to interchange parts with others already in use by the customer and installed on other rolling stock.


Code s Theme s The 5026-3 are recommendations to be followed in order to 50162-3 an appropriate and suitable breakdown structure for RAM purposes: An efficient RAM Programme should be established and maintained over the whole Life Cycle by both, Main Supplier and Ne, taking into account the whole range, including variations, of operational possibilities to be chosen during the life time of the rolling stock.

It is also a complex task requiring a thorough understanding of the specific railway operation scenarios, railway infrastructure and environment together with a deep knowledge of the rolling stock under consideration and its systems Therefore, the list should only be used as a guide and a Hazard Identification Process carried out with the full 5026-3 of competencies involved in the process.

It defines a comprehensive set of tasks for the different phases of a generic life cycle for a total rail system. This should be verified on the mockup. If technical modifications enn necessary, the Supplier should precisely quantify the consequences of modified configuration e. Software for railway control and protection systems. Generally, the steady state level is achieved at least after two years of revenue service.

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However, it provides, only as an example, typical data and document templates for recording the output of a RAM analysis. Option to visualize changes at a glance. In the same way the Customer should define, before the beginning of the checking period and for each RAM Requirement, detailed acceptance criteria in order to establish clear rules to be followed. Destruel Date of publication: Identifying, as part of the RAM analysis process preliminary and detailed analysiscritical scenarios i.

Where results from field data fall short of contractual requirements, the Main Supplier should undertake corrective actions. This should identify and document modifications to specific characteristics of a functional or physical item of the rolling stock.