On Thursday, June 10, the Los Gallos tunnel, which OSSA is building in the State of Mexico (Mexico) for Sociedad Concesionaria AT-AT, S.A. de C.V., was successfully bored. This is another milestone reached in a tunnel of great technical complexity due to the type of terrain and the large excavation section.
OSSA is executing for Sociedad Concesionaria AT-AT, S.A. de C.V. the Los Gallos tunnel, 208m long, and the Cahuacán tunnel, 115m long, both with a 220m2 section.
