COVÃO DO FERRO DAM |
|
PURPOSE - Hydroelectric | |
LOCATION | GENERAL FEATURES |
District -
Castelo Branco Municipality - Covilhã Site - Covão da Nave River Basin - Tejo River - Alforfa river |
Promoting entity
- Hidroeléctrica da Ribeira de Alforfa, S.A Owner (RSB) - Hidroeléctrica da Ribeira de Alforfa, S.A Engineering by - Sociedade Ind. Penteação e Fiação de Lãs Construction by - Sociedade Ind. Penteação e Fiação de Lãs Project year - 1935 Year of completion - 1956 |
HYDROLOGY | RESERVOIR |
River basin area
- 1,92 km2 Mean annual rainfall - 2500 mm Mean annual runoff - 2900 x 1000 m3 |
Reservoir area -
65 x 1000m2 Gross capacity - 1100 x 1000m3 Effective storage - 870 x 1000m3 Normal water level (NWL) - 1573,4 m Maximum flood level (MFL) - 1575,7 m Minimum operating level - 1545 m |
DAM | |
Type - Masonry
gravity dam Height above foundation - 32,5 m Height above streambed - 30 m Crest elevation - 1575,7 m Crest length - 400 m Crest width - 3 m Foundation - Granite Volume of dam body - 111 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Saddle
at left embankment Control type - Uncontrolled Spillway type - Over the dam Sill elevation - 1573,4 m Sill length - 5,25 m Maximum discharge - 30 m3/s Energy dissipation - Inexistent |
Location - Right
bank Type - Through the dam Section - d 600 mm Upstream control - Sluice gate 1x1 m2 Downstream control - Válvula de cunha Energy dissipation - Inexistent |
POWER PLANT | |
Type - Far
away from the dam Type of units - Pelton turbine Power installed capacity - 1,2 MW Power production - 2,4 GWh |