| ARADE DAM | |
| PURPOSE - Irrigation / Hydroelectric | |
| LOCATION | GENERAL FEATURES |
| District -
Faro Municipality - Silves Site - Casa Queimada River Basin - Arade River - Arade river |
Promoting entity
- Associação de Regantes e Beneficiários de Silves, Lagoa e Portimão Owner (RSB) - A. R. B. Silves, Lagoa e Portimão Engineering by - JAOHA Construction by - Moniz da Maia e Vaz Guedes Year of completion - 1956 |
| HYDROLOGY | RESERVOIR |
| River basin area
- 229 km2 Mean annual rainfall - 777 mm |
Reservoir area -
1820 x 1000m2 Gross capacity - 28389 x 1000m3 Effective storage - 26744 x 1000m3 Dead storage - 1645 x 1000m3 Normal water level (NWL) - 61 m Maximum flood level (MFL) - 62.50 m Minimum operating level - 34.5 m |
| DAM | |
| Earthfill - Zoned
embankment Height above foundation - 50 m Height above streambed - 42,5 m Crest elevation - 65 m Crest length - 246 m Crest width - 9 m Foundation - Schist and greywacke Volume of dam body - 654 x 1000 m3 |
|
| SPILLWAY | BOTTOM OUTLET |
| Location - Left
bank Control type - Controlled Spillway type - Shaft spillway Sill elevation - 58 m Sill length- 4 x 14,1 m Number of gates - 4 radial gates Maximum discharge - 500 m3/s Energy dissipation - Hydraulic jump |
Location - Left
bank Type - Rock tunnel Section - 1,5 x 1,5 m2 Maximum discharge - 30 m3/s Upstream control - Sluice gate Downstream control - Sluice gate Energy dissipation - Hydraulic jump |
| POWER PLANT | |
| Power production - 1,35 GWh | |