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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Parameters to be considered are: Click to learn more. Please copy and paste this embed script to where you want to embed Embed Script. This task is a specific management task implemented all along the design process from preliminary analysis to service operation.

Guide to application of. An efficient RAM Programme should be established and maintained over the whole Life Cycle by both, Main Supplier and Customer, taking into account the whole range, including variations, of operational possibilities to be chosen during the life time of the rolling stock.

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These characteristics define the conditions under which the rolling stock is required to accomplish its mission and constitute the reference conditions for: EN – 3: Learn more about the cookies we use and how to change your settings. 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. In this case only one choice can be considered: Customers who bought this product also bought BS EN We need your help to maintenance this website.

Main Supplier responsibility, or alternatively is classified as “nonchargeable”. This means that it should be possible to perform, as far as practicable, preventive diagnostics so as to check the condition of the object before a failure occurs and to be able to perform corrective diagnostics in order to identify clearly which item may be malfunctioning or damaged. Please help us to share our service with your friends.


Deliverables of the preliminary Enn activities constitute the necessary background for defining the overall RAM Requirements Specification in terms of: Modularity should make it possible to 501126-3 maintenance activities into two levels: A Contract Award or a Notice to proceed concludes the tender p hase.

Users are responsible for its correct application. May Number of pages: In this case two choices can be considered for addressing the target of minimising standstill time: The predicted or observed results of a failure cause on the LRU in relation to the operating conditions at the time of the failure Failure Cause.

The Main Supplier is responsible for providing visibility of the configuration management process through documented activities and eh reviews. When choosing the checking period, it is important to highlight that: Guidance on Hazard Identification.

Follow up the impact of such action plan to decide whether to carry on the iterative process or to stop it.

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Regarding Corrective and Preventive Maintenance Costs, Figures 1 to 3 contain elements useful to build costs of items. 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. If technical modifications are necessary, the Supplier should precisely quantify the consequences of modified configuration e.

TR – 3. Terms and 51026-3 for Customized compilation of standards Contact us Accessibility. At least, the following general conditions of failure are to be considered as “nonchargeable” when verified: This process is adopted for the development of the guide and should be applied in accordance with the structure of the application guide.

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There are several methods and tools to set up a breakdown structure. Maintenance cost is time-variable when considering either corrective or preventive maintenance. What is RAMS about?

The final scope of such analyses is to ensure that the rolling stock design satisfies all the RAM Requirements and the following: Register online at inter and intra-company training, and certifying diplomas, seminars, distance learning. The Main Supplier should indicate the cleaners compatible with the materials and coverings used. Final Design Review This design process milestone is to check that design has progressed to completion. Search all products by. In this case the Customer should specify which items are counted as maintenance cost and the agreed period of time for counting.


The following example shows the integration process and the programme implementation when: Generally, the steady state level is achieved at least after two years of revenue service. The first situation is commonly referred to as “In-Service Maintenance” and the second one as “Out-ofService Maintenance”.

Also, preliminary information on probable cause, including technical evaluation, could be included to enable allocation of acceptance criteria. Highlight the top most problem contributors affecting contractual service performances,! The specification and demonstration of. As a general rule, in the visible environments, all efforts should be made to avoid sharp corners, indentations, complicated relief patterns or hollows where dirt could accumulate or that could be difficult to clean.

For parts already in use by the customer, he should supply a list. Railway Customers and Operators require railway products that are reliable, safe and can be easily maintained over their useful lives. During this phase, functions should be classified using the Failure Categories defined by the Main Supplier and adapted for the specific requirements of the Contract. We need your help! Although some of the examples given in the annexes of EN are for rolling stock, the standard is essentially a imed as a top level railway system document.

Option to visualize changes at a glance. Where Main Supplier introduces limitations, they should be discussed and agreed with the Customer.