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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In particular, for elementary objects, commercial or unified solutions should be used, or parts already in use by the customer as classified replacement parts.

Define the assessment tasks at the boundary between. The following general failure conditions are defined for the rolling stock based on general failure categories, which may be experienced by a generic railway transport: The resultant deliverables of the preliminary RAM-related activities are: Consecutive number used to identify each maintenance task Maintenance Task Description of the preventive maintenance task Spare Parts and special tools Description of the special equipment not provided by the depot or workshop and in any case not easily available on the market and materials necessary consumables and spares Frequency Frequency of the maintenance task time or Km Maintenance level Codes of the maintenance levels used by the maintainer Personnel Number of persons necessary at the same time for the maintenance task described Skill Level Code of the Skill level requested for the personnel to carry out the maintenance task Spare Parts Cost Unit cost of materials expressed in EURO Man hours Time required for the maintenance task multiplied by the number of persons necessary Standstill time Standstill time for the rolling stock during the maintenance task Total Qty Total no.

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PD CLC/TR – September

Compatibility between rolling stock and train detection systems. 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 methods, tools and techniques required against each dn and the scope and 50162-3 of their application III. As these actions are only carried out two to five times throughout the service life, consideration should be given to these when preventive maintenance costs are evaluated.


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TR – 3. Where results from field data fall short of contractual requirements, the Main Supplier should undertake corrective actions.

This is defined as Fleet Availability, FA, and the number of rolling stock available for service is determined by the difference between the number of rolling stock in the whole fleet and the number of rolling stock not available for service due to maintenance actions preventive and corrective maintenance. Also, reports about repair and cause of failure are necess ary to address the correct corrective actions. Size px x x x x A guide to the application of EN -1 for safety of railway systems RAMS characteristics for rolling stock i.

Any failure occurring on the Rolling Stock and leading, at least, to one of the following conditions: This breakdown is sometimes called the logistic breakdown structure. RAM Programme tasks should be managed in conjunction with the management of the general functional and technical tasks, over the Life Cycle, through periodic reviews.

Destruel Date of publication: For parts unique to the customer, he may reserve the right, if necessary, for such parts to be restricted for his sole use. Please fill this form, we will try to respond as soon as possible. In this case two choices can be considered for addressing the target of minimising standstill time: 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.


PD CLC/TR 50126-3:2008

These documents are considered as part of the RAM Programme. Evaluation of removability of an item should also take into account the possible need for removing parts of the rolling stock structure e.

Then, the formula is: A list of tools suitable for use to perform the different analyses and to manage all RAM activities is given in Annex B5 of EN Table 3 — Example of minimum set of data representing a breakdown structure Subject Details Code Breakdown level code of the item Description Description of the item Qty Amount of the item under consideration in the higher level item Part No.

Worldwide Standards We can source any standard from anywhere in the world. Search all products by. We need your help to maintenance this website. Generally, the scope of the breakdown structure is to set up the borders of a system by listing all the items belonging to that system and, by using an appropriate number of discrete breakdown levels for the system, to draw out the relationships existing between the different items of the rolling stock. Additional requirements may be agreed between customer and supplier.

The scope of each requirement II. Following up application of these actions during the latest design phases! 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. Click to learn more. This application guide excludes: Modularity should make it possible to divide maintenance activities into two levels: