MAIROS DAM |
|
PURPOSE - Irrigation | |
LOCATION | GENERAL FEATURES |
District -
Vila Real Municipality - Chaves Site - Mairos River Basin - Douro River - Aveleiras river |
Promoting entity
- Direcção Regional de Agricultura de Trás-os-Montes Owner - Junta de Agricultores de Mairos Engineering by - Consórcio Hidroprojecto / AGRAR Construction by - CONDURIL Project year - 1988 Year of completion - 1995 |
HYDROLOGY | RESERVOIR |
River basin area
- 2,21 km2 Flood runoff - 10,3 m3/s Return period - 500 years |
Reservoir area
- 67 x
1000m2 Gross capacity - 369 x 1000m3 Effective storage - 359,7 x 1000m3 Dead storage - 9,3 x 1000m3 Normal water level (NWL) - 800 m Maximum flood level (MFL) - 801,46 m Minimum operating level - 778,3 m |
DAM | |
Earthfill - Zoned
embankment Height above foundation - 23,5 m Height above streambed- 20,5 m Crest elevation - 801,5 m Crest length - 213,5 m Volume of dam body - 78 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Left
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 800 m Sill length - 10 m Maximum discharge - 7 m3/s Energy dissipation - Flip bucket |
Location - Right
bank Type - Conduit under the embankment Section - d 500 mm Maximum discharge - 1,5 m3/s |