MONTE DA ROCHA DAM |
|
PURPOSE - Irrigation / Water supply | |
LOCATION | GENERAL FEATURES |
District -
Beja Municipality - Ourique Site - Panóias River Basin - Sado River - Sado river |
Promoting entity
- Associação de Regantes e Beneficiários de Campilhas e Alto Sado Owner - Associação de Regantes e Beneficiários de Campilhas e Alto Sado Engineering by - DGSH Construction by - A. Supico Project year - 1965 Year of completion - 1972 |
HYDROLOGY | RESERVOIR |
River basin area
- 246 km2 Mean annual rainfall - 599 mm Flood runoff - 1500 m3/s Return period - 1000 years |
Reservoir area
- 11000 x 1000m2 Gross capacity - 104500 x 1000m3 Effective storage - 99500x 1000m3 Dead storage - 5000x 1000m3 Normal water level (NWL) - 137 m Maximum flood level (MFL) - 138,45 m Minimum operating level - 113,5 m |
DAM | |
Earthfill -
Zoned embankment Height above foundation - 55 m Height above streambed - 51 m Crest elevation - 141,4 m Crest length - 2000 m Crest width - 10m Foundation - Schist and greywacke Volume of dam body - 1810 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Right
bank Control type - Uncontrolled Spillway type - Shaft spillway Sill elevation - 137 m Sill length - 62,83 m Maximum discharge - 260 m3/s Energy dissipation - Hydraulic jump |
Location -
Right bank Type - Rock tunnel Section - 2 x d 1200 mm Maximum discharge - 80 m3/s Upstream control - 2 fixed roller gate Downstream control - 2 fixed roller gate Energy dissipation - Hydraulic jump |