ODEÁXERE (BRAVURA) DAM |
|
PURPOSE - Irrigation / Hydroelectric | |
LOCATION | GENERAL FEATURES |
District -
Faro Municipality - Lagos Site - Bravura River Basin - Ribeiras do Algarve River - Odeáxere river |
Promoting entity
- Associação de Reg. e Benef.os do Alvor Owner - A. R. e Beneficiários do Alvor Engineering by - Hidrotécnica Portuguesa Construction by - Moniz da Maia & Vaz Guedes Project year - 1955 Year of completion - 1958 |
HYDROLOGY | RESERVOIR |
River basin area
- 76,8 km2 Mean annual rainfall - 685,8 mm Mean annual runoff - Flood runoff - 300 m3/s Return period - 100 years |
Reservoir area -
2850 x 1000m2 Gross capacity - 34825 x 1000m3 Effective storage - 32260 x 1000m3 Dead storage - 2565 x 1000m3 Normal water level (NWL) - 84,1 m Maximum flood level (MFL) - 85 m |
DAM | |
Concrete -
<<arch dam Height above foundation - 41 m Height above streambed- 36 m Crest elevation - 86 m Crest length - 150 m Crest width - 5 m |
|
SPILLWAY | BOTTOM OUTLET |
Location - Center Control type - Uncontrolled Spillway type - Over the dam Maximum discharge - 21 m3/s |
Location -
Thalweg Type - Through the dam Section - d 800 mm Maximum discharge - 8 m3/s Upstream control - Sluice gate Downstream control - Hollow jet valve Energy dissipation - Hollow jet and scour holes |
POWER PLANT | |
Type - Far
away from the dam Mean annual energy output - 1 GWh |