
Hydraulic and renewable works
Hydroelectric Power Project of the river Xallas in Olveira, La Coruña
Owner: Villar Mir Energía
Client: Isolux – Corsan
Hydroelectric Power Project of the river Xallas in Olveira, La Coruña.
Salto Ponte Olveira II Gallery: Construction by mixed excavation (mechanical excavation and blasting) of 7,741 m3 with horseshoe-shaped cross-section, using 256 m3 of Sprayed Concrete HM-35 with 35kg/m3 of metal fibre.
Salto Novo Castrelo Gallery: Construction by mixed excavation (mechanical excavation and blasting) of 31,200 m3 with horseshoe-shaped cross-section, using 1,236 m3 of Sprayed Concrete HM-35 with 35kg/m3 of metal fibre.
Surge shaft: Construction by top-down mixed excavation of 2,941m3 of a surge shaft with a diameter of 14.60 metres and a depth of 19 metres, using 318 m3 of Sprayed Concrete HM-35 with 35kg/m3 of metal fibre.