Validation of railway products

Procedure for validating railway products

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Purpose of the procedure

The Procedure for the “Validation of Railway Products” aims to regulate the process followed by Adif to “validate” products to be installed on the General Interest Railway Network. This strategy is intended to facilitate the contracting mechanisms and serve as quality control for these products.

This process is based on demonstrating compliance with the requirements set out in the corresponding Validated Technical Specification (VTS).

Validatable Technical Specifications (VTS)

For a railway product to be validated by Adif, a Validable Technical Specification is required. This is the document that includes the characteristics that the product must meet. These specifications can be consulted by any agent who requires it in the “List of Validatable Technical Specifications”.

Preliminary Validation

The requirements that products must meet in order to be validated include a series of laboratory tests detailed in the specifications (VTS), which also define the characteristics and type of laboratories where they are to be carried out. Additionally, some products require on-track testing to complete the validation process. These tests must be defined in the reference specifications (VTS).

Once the laboratory tests have been completed, Adif can grant a "preliminary validation" of the product, prior to conducting on-track tests. Products that obtain this preliminary validation will appear in the “List of products with preliminary validation”.

Registr of Validated Products

Once the process has been completed and the product has been validated by Adif, it is included in the “Register of Validated Products”. This register is referred to in Adif tenders.

Validation Request

To start a new validation process for a railway product, a request must be sent to the following email address (see Section 6.2 of the Procedure):
Flujograma de fases de validación de productos ferroviarios
Note: Adif/Adif AV is not considered an accredited conformity assessment body in accordance with Regulation (EC) of the European Parliament and of the Council of July 9, 2008, and this approval is only valid for Adif/Adif AV.
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El proceso de validación está regulado, en todas sus fases, conforme a  Procedimiento.
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Las Especificaciones Técnicas Validables que regulan productos, y que aparecen en este listado, son a las que le aplica el proceso de validación (actualización semestral).
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Este listado recoge todos aquellos productos que han finalizado favorablemente sus pruebas en laboratorio, a expensas de finalizar las pruebas en vía conforme a su ETV (actualización continua)​​​​​​.
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Este Registro recoge todos aquellos productos que han finalizado el proceso de validación favorablemente.

El Registro vigente es el que se puede consultar en este enlace (actualización continua).