TUNNELS - SPECIAL WORKS. Available to Purchase

GIE TRANSMANCHE CONSTRUCTION, TUNNELS, CHANNEL TUNNEL, WORKS, PASSAGES, TRANSVERSE, PUMPING STATIONS, RAILWAYS, CROSSOVERS, SPECIAL, PISTONS, RELIEF, DUCTS, AIR, VENTILATION, DEWATERING, DESIGN, STRUCTURES, CYLINDRICAL, CONSTRUCTION, ELECTRICAL, EQUIPMENT, ROOMS, LININGS, EXCAVATIONS, SHAFTS, SERVICE, RUNNING, STAGES, METHODS, GALLERIES, CORES, EXCAVATING, TUNNELLING, CHANNEL TUNNEL, FRANCE