Engineering, construction and maintenance of overhead and underground power lines.
High voltage lines
Turnkey projects for medium, high, and very high voltage power lines; engineering, supply, construction, assembly, and maintenance. We can assure you that we are specialists in transmission lines, with more than 4,000 transmission lines built.
Construction of new lines: Civil works, assembly and lifting of supports and laying of power and fiber optic conductors.
Maintenance of existing lines: Routine and comprehensive inspections, both traditional and using new technologies; helicopters, drones, thermal imaging cameras. Grounding measurements of lines in service and corrective actions.
Upgrading and modifications of existing lines: Reinforcement of existing foundations, addition of towers, replacement of conductors, re-tensioning, replacement of insulation, etc.
Basic and detailed engineering: New lines, modifications to existing lines, repowering and extension of supports, reinforcements.
Area line experience
L 400 KV Promotores – La Mudarra.
L 220 KV C.S. Los Vientos – S.T. Los Vientos.
L 220 KV Promotores – Fuendetodos.
L 220 KV Majas II – Los Vientos.
L 220 KV Mata Alta – Promotores.
L 400 ST Núñez de Balboa – ST Bienvenida.
L 132 KV Bonete – ST Campanario Renovables.
L 132 KV Los Navalmorales – Cijara.
L 132 KV Castrejon – Los Navalmorales.
L 132 KV Olmedilla – Contrera.
L 132 KV Cofrentes Contreras.
L 132 KV Toledo – Puebla.
L 132 KV Casas Ibáñez – Cofrentes.
L/400 kv Palos – Guillena (tramo IV) (Sevilla).
L/200 kv Vall d’uixó – Segorbe (Castellón).
L/220 kv Segorbe – Campo (Castellón).
L/400 kv ST les Comes – ST l’Espluga de Francolí (Tarragona).
Refuerzo de Cimientaciones de l/220 kv Bellicens –Begues (Tarragona- Barcelona).
Repotenciación 220 kv l/132 kv ST Catadau – Vilanova (Valencia).
Refuerzo de cimentaciones de l/132 kv Vilanova – Gandia (Valencia).
Líneas subterráneas
GAROC has extensive experience laying underground communications and electrical lines across all voltage ranges: 15kV, 30kV, 45kV, 66kV, 132kV, 220kV, and 400kV.
Within this activity, GAROC has been carrying out maintenance on IBERDROLA's 132 kV lines in Madrid for several years. We have carried out numerous renovations to galleries, junction chambers, and pipelines.
Underground line experience
Sot L/132 kv Romica – Campollano (Albacete).
Sot L/132 kv Majadahonda – Fuencarral y Majadahonda – Ventas (Madrid).
Sot L/220 kv Majadahonda – Coslada – Villaverde (Madrid).
Sot L/132 kv Aranjuez I – Aranjuez II (Madrid).
Sot L/132 kv afectada por la urbanización El Esparragal – Pinto (Madrid).
Retranqueo L/220 kv Fuencarral – el Pilar I y II (Madrid).
L/132 kv E-S en ST Illescas 2 (Toledo).
E-s en ST Parla de L/220 kv Villaverde – Aceca (Madrid).
L/132 kv Cantalejo – Perogordo (Segovia).
L/132 kv ST Layna – Medinaceli (Soria).
L/132 kv ST La Hípica (Murcia).
E-S en ST Guadalajara de L/132 kv Fuentes La Alcarria – Torija (Guadalajara).
