GAMEIRO DAM |
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| PURPOSE - Irrigation / Hydroelectric | |
| LOCATION | GENERAL FEATURES |
| District -
Évora Municipality - Mora Site - Monte da Barroca / Cabeção River Basin - Tejo River - Raia river |
Promoting entity
- INAG Owner - Associação de Regantes e Beneficiários do Vale do Sorraia Engineering by - DGSH Construction by - Amaro & Mota Project year - 1957 Year of completion - 1960 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 3255 km2 Mean annual rainfall - 660 mm Flood runoff - 2800 m3/s Return period - 500 years |
Reservoir area
- 72 x 1000m2 Effective storage - 1300 x 1000m3 Effective storage - 62 m Maximum flood level (MFL) - 65 m Minimum operating level - 58 m |
| DAM | |
| Earthfill
- Homogeneous embankment Concrete - Gravity Composite dam - Yes Height above foundation - 20 m Height above streambed - 16 m Crest elevation - 68 m Crest length - 293 m Crest width - 4 m Foundation - Composite rock/earth: Gneisseous granite, micaschist and alluvia Earthfill /Rockfill volume - 39 x 1000 m3 Concrete volume - 11 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Left
bank Control type - Controlled Spillway type - Over the dam Sill elevation - 58 m Sill length - 4 x 15,5 m Number of gates - 4 sector gates Maximum discharge - 2200 m3/s Energy dissipation - Hydraulic jump |
Location -
Thalweg Type - Through the dam Section - d 1,0 m Maximum discharge - 7 m3/s Upstream control - Sluice gate Energy dissipation - Hydraulic jump |
| POWER PLANT | |
| Type - Upstream
dam toe Number of installed units - 1 Type of units - Kaplan Turbine Mean annual energy output - 2,86 GWh |
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