VERMIOSA DAM |
|
PURPOSE - Irrigation | |
LOCATION | GENERAL FEATURES |
District -
Guarda Municipality - Figueira de Castelo Rodrigo River Basin - Douro River - Devesa river |
Promoting entity
- Direcção Regional de Agricultura da Beira Interior Owner (RSB) - Junta de Agricultores da Vermiosa Engineering by - Hidrotécnica Portuguesa Construction by- Agrupamento do Sabugal Project year - 1993 Year of completion - 1999 |
HYDROLOGY | RESERVOIR |
River basin area
- 11,9 km2 Mean annual rainfall - 542,7 mm Mean annual runoff - 997 x 1 000 m3 Flood runoff - 74 m3/s Return period - 1 000 years |
Reservoir area - 489
x 1 000 m2 Gross capacity - 2 250 x 1 000 m3 Effective storage - 2 200 x 1 000 m3 Dead storage - 50 x 1 000 m3 Normal water level (NWL) - 684,8 m Maximum flood level (MFL) - 686,3 m Minimum operating level - 674,2 m |
DAM | |
Earthfill -
Zoned embankment Height above foundation - 18 m height above streambed - 15,5 m Crest elevation - 688 m Crest length - 288 m Crest width - 6 m Volume of dam body - 95 x 1 000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Left
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 684,4 m Sill length - 20,35 m Maximum discharge - 90 m3/s Energy dissipation - Hydraulic jump |
Type -
Conduit under the embankment Section - d 800 mm Maximum discharge - 1,74 m3/s Upstream control - Sluice gate Downstream control - Valve Energy dissipation - Impact basin |