Ribeira dos Socorridos – Multipurpose Undertaking

This exploitation involved the construction of the following facilities:

• Gallery of Accumulation of Socorridos

Excavation and demotion of a Llift Station; Excavation of the Tunnel Reservoir; Implementation of Reinforced Concrete Slabs and Walls.

• Tunnels of the Encumeada and North Channel

Construction Reinforcement of tunnel lining with hydroelectric purposes (pre-existing); Construction of reinforced concrete structures for hydraulic purposes.

• Construction of Tunnel Covão

Tunnel excavation with hydroelectric purposes, with about 5.2 km long, using TBM ("Tunnel Boring Machine"); Excavation of two windows, using mechanical means and fire dismantles.