| AZIBO DAM | |
| PURPOSE - Irrigation / Water supply / Landscape valorization (Natural park) | |
| LOCATION | GENERAL FEATURES |
| District -
Bragança Municipality - Macedo de Cavaleiros Site - Vale da Porca - Salselas River Basin - Douro River - Azibo river |
Promoting entity
- INAG Owner (RSB) - INAG Engineering by - COBA Construction by - Azevedo Campos, SARL Project year - 1977 Year of completion - 1982 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 91 km2 Mean annual rainfall - 715 mm Mean annual runoff - 32000 x 1000 m3 Flood runoff - 350 m3/s Return period - 1000 years |
Reservoir area -
4100 x 1000m2 Gross capacity - 54470 x 1000m3 Effective storage - 46670 x 1000m3 Dead storage - 7800 x 1000m3 Normal water level (NWL) - 602 m Maximum flood level (MFL) - 603,65 m Minimum operating level - 575 m |
| DAM | |
| Earthfill - Zoned
embankment Height above foundation - 56 m Height above streambed - 52 m Crest elevation - 606 m Crest length - 551 m Crest width - 10 m Foundation - Greywacke and schist Volume of dam body - 1561 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Left
bank Control type - Controlled Spillway type - Chute spillway Sill elevation - 600 m Sill length - 2 x 6 m Number of gates - 2 sector gates Maximum discharge - 170 m3/ s Energy dissipation - Hydraulic jump |
Location - Right
bank Type - Rock tunnel Section - d 2,0 m Maximum discharge - 45,6 m3/s Upstream control - Sluice gate Downstream control - Radial gate Energy dissipation - Hydraulic jump |