Mechanical Resources

Not only does OSSA, Obras subterráneas, rely on skilled professionals who have years of experience in the execution of underground works. The company is also backed by an extensive, specialized Plant Fleet.

OSSA’s Plant Fleet comprises over 400 different units, including excavation, extraction and lifting equipment, plus mucking out, shoring and lining equipment and diverse auxiliary equipment.

OSSA has the mechanical resources and the skilled staff with proven experience in the use of equipment for underground works where cutting-edge excavation techniques are needed: automated Jumbos, ground pressure shields (GPS), TBM equipment, tunnel micro-boring equipment, shearers, raise-boring equipment, ripping equipment, etc.