Tenders of Adif Presidencia

Technical Assistance Services for the Control and Surveillance of the Comprehensive Rehabilitation Works of the Overhead Contact Line at the Billabona Station. Madrid-hendaya line.

Supply and Transport of Sleepers for the Expansion of Lanes Up to a Useful Length of 750 M in Stations of the Zaragoza-Tarragona Section. Stations in Lleida: Juneda and Raimat / Selgua, Marcén- Poleñino and Almudévar. Stations in Caspe: Chiprana, Nonaspe and Flix / Fuente de Ebro and La Puebla de Híjar

Supply and Transportation of Sleepers for the Comprehensive Remodeling of the Grisén Station

Technical Assistance for Control and Surveillance in the Execution of the Treatment Work of the Trench Located Between the Pp.kk. 50+150 AND 50 +760. Line La Tour De Carol - Enveigt – Bif. Aigües. Montcada Bif section. - Les Franqueses Del Vallès-vic

Technical Assistance Services for the Control and Surveillance of the Repair Works of Tunnel No. 17 Bis (rc)-pinar de Antequera, Pp.kk. 240+810 A 242+800, Line 100 Madrid Chamartín Clara Campoamor – Hendaye / Irún Border (pk 641,181). Route Viana – Arcas Reales Pb (valladolid).

Supply and Transportation of Sleepers for the New Valladolid Railway Complex. Phase II

Technical Assistance Services for the Control and Surveillance of the Execution Works of the Renovation Project of the Security Facilities of the A Susana Station (line 822 Zamora-a Coruña)

Technical Assistance Services for the Control of the Execution Works of the Construction Project for the Improvement and Extension of the Useful Length of the Tracks of the Muriedas Railway Terminal.

Technical Assistance for the Control and Surveillance of the Execution Works of the El Bao Tunnel Repair Project, Pp.kk. 8+531 A 9+ 255, Line 722 Desertu-barakaldo - Muskiz. Ortuella-putxeta route (Vizcaya)

Technical Assistance for the Control and Surveillance of the Execution Works of Masonry Walls in the Railway Network of General Interest (rfig). (3 Lots)