Client: Codelco, Division Teniente
Location:Rancagua, VI Region, Chile

Execution of 1.306, 170 meters of horizontal developments. Excavation of emergency exit ramp, vehicle thrusts, ventilation pediments, pedestrian shelters, electrical substation pediments, removal of ventilation doors, ventilation chimneys with RaiseBorer 500 meters, electrical substations: assembly and supply of electrical works 2500 and XNUMX KVA, lighting systems, drainage works, assembly and supply of instruments, closed circuit television, fire control system and communications network.