CAMBA DAM |
|
PURPOSE - Water supply / Irrigation | |
LOCATION | GENERAL FEATURES |
District -
Bragança Municipality - Alfândega da Fé Site - Gebelim and Peredo River Basin - Douro River - Camba river |
Promoting entity
- CM Alfândega da Fé Owner (RSB) - C M Alfândega da Fé e DR Agricultura de Trás-os-Montes Engineering by - Tecniagra Construction by - Teixeira Duarte S.A Project year - 1985 Year of completion - 1993 |
HYDROLOGY | RESERVOIR |
River basin area
- 6 km2 Mean annual rainfall - 925 mm Mean annual runoff - 1720 x 1000 m3 Flood runoff - 95 m3/s Return period - 500 years |
Reservoir area -
95 x 1000m2 Gross capacity - 1110 x 1000m3 Effective storage - 1080 x 1000m3 Dead storage - 30 x 1000m3 Normal water level (NWL) - 620,43 m Maximum flood level (MFL) - 622 m Minimum operating level - 598 m |
DAM | |
Earthfill - Zoned
embankment Height above foundation - 35 m Height above streambed - 30 m Crest elevation - 623 m Crest length - 175 m Crest width - 8 m Foundation - Schist Volume of dam body - 200 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Right
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 620,43 m Sill length - 20 m Maximum discharge - 40 m3/s Energy dissipation - Hydraulic jump |
Location -
Left bank Type - Conduit under the embankment Section - d 900 mm Maximum discharge - 5,2 m3/s Upstream control - Fixed roller gate Downstream control - Fixed roller gate Energy dissipation - Hydraulic jump |