PRADA DAM |
|
| PURPOSE - Irrigation | |
| LOCATION | GENERAL FEATURES |
| District -
Bragança Municipality - Vinhais Site - Prada River Basin - Douro River - Vidoeira river |
Promoting entity
- Direcção Regional de Agricultura de Trás-os-Montes Owner - Junta de Agricultores de Prada Engineering by - Hidroprojecto / AGRAR Construction by - Teixeira Duarte Project year - 1988 Year of completion - 1995 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 3,63 km2 Return period - 500 years |
Reservoir area
- 46 x 1 000m2 Gross capacity - 247 x 1 000m3 Effective storage - 233 x 1 000m3 Dead storage - 14 x 1 000m3 Normal water level (NWL) - 931,5 m Maximum flood level (MFL) - 932,2 m Minimum operating level - 921,75 m |
| DAM | |
| Earthfill - Homogeneous
embankment Height above foundation - 19,2 m Height above streambed - 18 m Crest elevation - 933,2 m Crest length - 150,3 m Crest width - 6 m Volume of dam body - 63,5 x 1 000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Left
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 930,5 m Sill length - 10 m Maximum discharge - 11 m3/s Energy dissipation - Flip bucket |
Location -
Left bank Type - Conduit under the embankment Section - d 400 mm Maximum discharge - 1,1 m3/s Upstream control - Sluice gate Downstream control - Valve |