FONTE SERNE DAM |
|
PURPOSE - Irrigation | |
LOCATION | GENERAL FEATURES |
District -
Setúbal Municipality - Santiago do Cacém Site - Fonte Serne River Basin - Sado River - Vale Diogo river |
Promoting entity
- Associação de Regantes e Beneficiários de Campilhas e Alto Sado Owner (RSB) - A. R.B. de Campilhas e Alto Sado Engineering by - DGSH Construction by - José Bento Pedroso & Filhos Project year - 1973 Year of completion - 1976 |
HYDROLOGY | RESERVOIR |
River basin area
- 30 km2 Mean annual rainfall - 720 mm Mean annual runoff - 6052 x 1000 m3 Flood runoff - 100 m3/s Return period - 500 years |
Reservoir area -
1050 x 1000m2 Gross capacity - 5150 x 1000m3 Effective storage - 3650 x 1000m3 Dead storage - 1500 x 1000m3 Normal water level (NWL) - 78,5 m Maximum flood level (MFL) - 79,55 m Minimum operating level - 74,3 m |
DAM | |
Eathfill
- Zoned embankment Height above foundation - 17,5 m Height above streambed - 16 m Crest elevation - 81 m Crest length - 324 m Crest width - 7 m Foundation - Clay and sandy clay Volume of dam body - 152,4 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Left
bank Control type - Uncontrolled Spillway type - Chute spillway Sill elevation - 78,5 m Sill length - 15 m Maximum discharge - 36 m3/s Energy dissipation - Hydraulic jump |
Location - Right
bank Type - Conduit under the embankment Section - d 1500mm Maximum discharge - 6,8 m3/s Upstream control - Fixed roller gate Downstream control - 2 gate valves Energy dissipation - Impact basin |