BURGA DAM | |
PURPOSE - Irrigation | |
LOCATION | GENERAL FEATURES |
District -
Bragança Concelho - Alfândega da Fé Municipality - Vilares de Vilariça Municipality - Douro River - Burga river |
Promoting entity
- INAG Owner (RSB) - DRATM Engineering by - Hidroprojecto Construction by - José Bento Pedroso & Filhos Project year - 1972 Year of completion - 1978 |
HYDROLOGY | RESERVOIR |
River basin area
- 16 km2 Mean annual rainfall - 700 mm Mean annual runoff - 2400 x 1000 m3 Flood runoff - 190 m3/s Return period - 500 years |
Reservoir area -
161 x 1000m2 Gross capacity - 1539 x 1000m3 Effective storage - 1383 x 1000m3 Normal water level (NWL) - 329 m Maximum flood level (MFL) - 330,5 m Minimum operating level - 307 m |
DAM | |
Earthfill - Homogeneous
embankment Height above foundation - 35 m Height above streambed - 28 m Crest elevation - 331,5 m Crest length - 353 m Crest width - 8 m Foundation - Schist Volume of dam body - 436 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Right
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 329 m Sill length - 32 m Maximum discharge - 130 m3/s Energy dissipation - Hydraulic jump |
Location - Left
bank Type - Conduit under the embankment Section - d 1500 mm Maximum discharge - 13,4 m3/s Upstream control - Sluice gate Downstream control - Radial gate Energy dissipation - Flip bucket |