Delegate Coalvi: Ignacio Díaz Alfaro
Railway construction site team leader: Javier Gracia Vitoria
Machinery Park Manager: José Miguel Martori Pérez

Coalvi is a company specializing in railway works, and its main service is the assembly and renovation of conventional and high-speed tracks (in all gauges and layouts). It also works on railway infrastructures such as stations, depots, tunnels, and complementary works. Additionally, it is involved in various maintenance activities that deal with different elements and operations on railway infrastructure, such as turnouts and all types of track apparatus, leveling, stabilization and profiling, welding, vegetation control activities along the track, as well as railway line electrification (catenary).

Top products: MAINTENANCE: 1. Comprehensive maintenance of track, catenary, and power. Vegetation control. TRACK: 2 Renewal and installation of new track for track superstructure in UIC, Iberian, and metric gauges, using heavy track machinery.

Coalvi has developed key projects in the railway sector, both in high-speed and conventional lines, consolidating its expertise in infrastructure modernization, maintenance, and track renewal.

Expansion of the Madrid commuter rail network to Soto del Real. Phase 1. Infrastructure, track, and overhead contact line. Capacity increase of the section: Pinar de Las Rozas junction-Las Matas station, on the Madrid-Hendaye line. Track and electrification. Maintenance and pre-maintenance services for infrastructure, track, and track devices of the Madrid-East high-speed line (Requena and Monforte del Cid base areas). Construction of the track doubling and electrification in the section between Hospital Vila halt and Benidorm station. Extension up to 750 m of usable siding length at Chiprana and Nonaspe stations, in the province of Zaragoza, and Flix, in the province of Tarragona, all belonging to line 210 Miraflores-Tarragona, located at PPKK 442/733, 479/950, and 511/627, respectively. Vegetation control services on conventional and narrow-gauge lines of the general interest railway network (RFIG). . Lot 4: East Operations Subdirectorate. Execution works of the construction project. Algeciras – Zaragoza Railway Highway. Venta de Cárdenas Tunnels 1, 2, 3, and 4; Las Correderas 1, 2, and 3; Santa Elena; Calancha; Vilches; Espeluy; Andújar; and Montoro. Construction of the northbound connection from the TMZ Terminal to the Zaragoza-Huesca line. Phase 1. Terminal expansion (Phase 2) according to the Construction Project drafted by “SERS, Engineering and Architecture Consultants, S.A.U.”. Maintenance of infrastructure and track for ADIF conventional and metric gauge lines (MIV). Lot 4: East RC Operations Subdirectorate. Construction of the Rincón de Soto bypass on the Castejón – Logroño line (La Rioja). Construction of comprehensive infrastructure and track renewal. Monforte de Lemos – Chapela junction line. Section: Redondela Station – Vigo-Guixar Station.

Quality and Environment: ISO 9001, ISO 14001, ISO 45001