Back Hydraulics COVÃO DE FERRO DAM Alforfa River – Covilhã – Portugal ClientHidroeléctrica da Ribeira de Alforfa, SA LocationAlforfa River – Covilhã – Portugal Design date2005 - 2005 Construction date2005 - 2005 Design byJosé António Amaral (developed at Tecnasol, FGE) ServicesDetailed Design; Technical Assistance to the Construction ConstructionTECNASOL, FGE SummaryDam wall and foundation rehabilitation. Upgrading of all hydraulic components. Drainage basin area: 1.92 km² Average annual precipitation – 2 500 mm Average total flow (annual) – 2 900 × 1 000 m³ COVÃO DE FERRO DAM Project detail