COVA DO VIRIATO DAM |
|
| PURPOSE - Water supply | |
| LOCATION | GENERAL FEATURES |
| District -
Castelo Branco Municipality - Covilhã Site - Cova do Viriato River Basin - Tejo River - Poios Brancos river |
Promoting entity
- C M da Covilhã Owner (RSB) - Serviços Municipalizados da Covilhã Engineering by - APAGEL Construction by - PROJECOL Project year - 1976 Year of completion - 1982 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 2,25 km2 Mean annual rainfall - 2770,2 mm Flood runoff - 34 m3/s |
Reservoir area -
235 x 1000m2 Gross capacity - 1500 x 1000m3 Effective storage - 1480 x 1000m3 Dead storage - 20 x 1000m3 Normal water level (NWL) - 1574,4 m Maximum flood level (MFL) - 1575 m |
| DAM | |
| Concrete - Gravity
dam Height above foundation - 28 m Height above streambed - 22 m Crest elevation - 1576 m Crest length - 202 m Crest width - 4 m Foundation - Granite Volume of dam body - 19 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Saddle
at right embankment Control type - Uncontrolled Spillway type - Over the dam Sill elevation - 96,4 m Sill length - 15 m Maximum discharge - 3,8 m3/s Energy dissipation - Hydraulic jump |
Location - Thalweg Type - Through the dam Section - d 1,0 m Maximum discharge - 12 m3/s Upstream control - Sluice gate Energy dissipation - Inexistent |