FURADOURO DAM |
|
PURPOSE - Irrigation | |
LOCATION | GENERAL FEATURES |
District -
Santarém Municipality - Coruche Site - Furadouro River Basin - Tejo River - Raia river |
Promoting entity
- INAG Owner (RSB) - Associação de Regantes e Beneficiários do Vale do Sorraia Engineering by - DGSH Construction by - Engº Firmino Gonçalves Costa Project year - 1956 Year of completion - 1959 |
HYDROLOGY | RESERVOIR |
River basin area
- 3374 km2 Mean annual rainfall - 660 mm Flood runoff - 2900 m3/s Return period - 500 years |
Reservoir area -
36 x 1000m2 Effective storage - 400 x 1000m3 Normal water level (NWL) - 42,5 m Maximum flood level (MFL) - 46,5 m Minimum operating level (MOL) - 40 m |
DAM | |
Earthfill
- Homogeneous embankment Concrete - Gravity Composite dam - Yes Height above foundation - 17 m Height above streambed - 14 m Crest elevation - 48,4 m Crest length - 279m Crest width - 3,5 m Foundation - Gneisseous granite Earthfill volume - 2 x 1000 m3 Concrete volume - 16,5 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Left
bank Control type - Uncontrolled Spillway type - Over the dam Sill elevation - 42,5 m Sill length - 15 x 9 m Maximum discharge - 2300 m3/s Energy dissipation - Deflector hood |
Location -
Thalweg Type - Through the dam Section - d 1,0 m Maximum discharge - 5 m3/s Upstream control - Emergency gate Energy dissipation - Hydraulic jump |