Product name: 

Preventive and corrective maintenance and auxiliary works of the electrification facilities (overhead contact line and traction substations). Lots 1 (Center), 5 (North) and 6 (Northeast).

Description: 

Preventive and corrective maintenance work on 3,000 kV electrical installations (traction electrical substations, overhead catenary lines and LAT connections), including the metric gauge network, in three lots that account for the vast majority of conventional maintenance in northern Spain.

Web: