Cookie Policy

This site is owned by Mantenimiento de Infraestructuras, S.A. (hereinafter "Matinsa"). This website uses its own cookies and those of third parties to create profiles based on the user's browsing habits and to offer content adapted to their interests.

What are cookies?

Cookies are a tool used by web servers to store and retrieve information about their visitors. A cookie is a unique identifier in the form of a text file that certain servers send to the user's device in order to record information about activities on their websites, thus enabling the quality and security of the website to be improved. Each cookie has an expiration date, which may range from the duration of the session or until a specified future date after which they will no longer be operative.

Use of cookies on this website

This website uses cookies to facilitate browsing to ensure security and to achieve greater efficiency and personalisation of the services offered to users by analysing how they use the site.

Types of cookies used on this website

The cookies used are classified as follows:

  1. Session cookies: are temporary cookies that are not stored on the user's device but deleted when the session ends.
  2. Persistent cookies: are stored on the user's device and allow browsing information to be recovered during future visits. These cookies expire, but some time after the session has ended.

Specifically, the following session cookies and persistent cookies are used for the purposes indicated below:

Own Cookies

There are strictly necessary cookies such as, for example, those that serve for a correct navigation or those that serve to recognize the preferences of the user in his visit to the web, and analytical cookies to compile statistical data of the activity.

Cookie Category Expiry Date Ownership Purpose
COOKIES_GDPR Technical Without expiration date Own This cookie saves your settings regarding whether or not to enable third party cookies.
JSESSIONID Technical Session Own This cookie is a session ID to differentiate sessions between users.
NSC_* Technical 1 h Own This cookie is necessary in order to ensure the proper functioning of the infrastructure.
BIGipServerLiferay_443 Technical Session Own Persistence of communications
LFR_SESSION_STATE Technical 30 min Own Session Control Cookie


Third-party cookies

Third-party cookies, such as those used for identification purposes, or by external content add-ons such as Google's search engine.

Cookies de terceros
Cookie Category Expiry Date Ownership Purpose
Google Analytics (_ga*) Analytical cookie Up to two years Google Inc.

These Google Analytics cookies generate an anonymous user ID, which is used to count how many times a user visits the site. It also records when you first and last visited the site.

Google Analytics (_gat) Analytical cookie 1 min Google Inc. This cookie is used to differentiate between the different tracking objects created in the session. The cookie is created by loading the javascript library and there is no previous version of the _gat cookie. The cookie is updated each time you send data to Google Analytics.
Google Analytics (_gid) Analytical cookie 1 day Google Inc. Google uses this cookie to store and update a unique value for each page visited. The cookie is updated each time you send data to Google Analytics.
NID Advertising cookie 6 months Google Inc. Viewing maps using Google Maps.
1P_JAR Advertising cookie 1 week Google Inc. This cookie Transfers data to Google.
IDE Advertising cookie 2 years Google Inc. Cookie used by for targeting, optimization, reporting and attribution of online ads.
PREF Complementary external content cookie 10 years Google Inc. YouTube cookies used for the playback of videos through the web.
VISITOR_INFO1_LIVE Complementary external content cookie 240 days approximately Google Inc. This Cookie keeps track of the videos visited that are embedded in the web.
YSC Complementary external content cookie Session Google Inc. Cookie that measures the video reproductions made by the user and records the events 'Like' or 'Share video'.


Please note that configuring your browser to reject cookies will not prevent you from browsing the website, the only drawback being that you will not be able to benefit from the features that require cookies. In any case, you may revoke the consent given and delete the cookies stored on your device at any time by following the procedure established in “How to manage cookies on computers”.

How to manage cookies on computers

You can allow, block or delete the cookies installed on your computer by configuring the options of your Internet browser or changing them using the following link "configuration of cookies".

The following links explain how to do this:

If you reject the installation of cookies, you may continue using the website, however, the use of certain services may be limited and your experience on our website may therefore be less satisfactory.


If you wish to withdraw your consent related to this Cookies Policy at any time, you must modify the settings from the cookie settings panel, or delete the cookies stored through the settings and configuration of your Internet browser.