
Route 60 tunnel breakthrough.
We are pleased to inform you that the breakthrough of the Route 60 tunnel, which

We are pleased to inform you that the breakthrough of the Route 60 tunnel, which

As part of the Corporate Social Responsibility Program, the OSSA Chile delegation has participated together

At the end of last December, excavation and support works began on the tunnel of

In its project at Station 15 of the Lima Metro (Peru), OSSA joined the awareness
Attached is the article that the Peruvian magazine Rumbo Minero has dedicated to OSSA’s activities.

At OSSA we have a pact with sustainable development, which is articulated through our commitment

As a result of its constant commitment to health and safety in its projects, OSSA

In the presence of the Minister of Transport, Gloria Hutt, and the President of Metro,

In recognition of the work that OSSA has been doing in prevention and early detection
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