TABUEIRA DAM |
|
| PURPOSE - Irrigation / Water supply / Recreation | |
| LOCATION | GENERAL FEATURES |
| District -
Évora Municipality - Montemor-o-Novo Site - Ciborro River Basin - Tejo River - Pombos river |
Promoting entity
- Cooperativa Agropecuária do Ciborro Owner - Cooperativa Agropecuária do Ciborro Engineering by - TECNIAGRA Construction by - Cornacho Project year - 1976 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 16,7 km2 Mean annual rainfall - 692,6 mm Flood runoff - 101,2 m3/s Return period - 250 years |
Reservoir area - 460
x 1 000 m2 Gross capacity - 3 500 x 1 000 m3 Normal water level (NWL) - 152,5 m Maximum flood level (MFL) - 153,5 m |
| DAM | |
| Earthfill -
Zoned embankment Height above foundation - 23 m Height above streambed - 22 m Crest elevation - 155 mm Crest length - 260 m Crest width - 6 m Foundation - Composite Rock/Earth: Alluvia land granite Volume of dam body - 169 x 1 000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location -
Saddle at left embankment Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 152,5 m Sill length - 10 m Maximum discharge - 17,86 m3/s Energy dissipation - Inexistent |
Location -
Thalweg Type - Conduit under the embankment Section - d 600 mm Upstream control - Válvula de cunha Energy dissipation - Impact basin |