TOUVEDO DAM |
|
PURPOSE - Hydroelectric / Irrigation / Flood control | |
LOCATION | GENERAL FEATURES |
District -
Viana do Castelo Municipality - Ponte da Barca Site - Touvedo River Basin - Lima River - Lima river |
Promoting entity
- CPPE, Cª. Portuguesa de Produção de Electricidade, SA Owner - CPPE Engineering by - EDP Construction by - SOARES DA COSTA, SARL Project year - 1987 Year of completion - 1993 |
HYDROLOGY | RESERVOIR |
River basin area
- 1 700 km2 Mean annual runoff - 1 692 000 x 1 000 m3 Flood runoff - 3 200 m3/s Return period - 1 000 years |
Reservoir area - 1
720 x 1 000 m2 Gross capacity - 15 500 x 1 000 m3 Effective storage - 4 500 x 1 000 m3 Normal water level (NWL) - 50 m Minimum operating level - 47,5 m |
DAM | |
Concrete - Gravity,
lightened Height above foundation - 42,5 m Crest elevation - 55 m Crest length - 133,5 m Foundation - Granite Volume of dam body - 74,62 x 1000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Body
dam Control type - Controlled Spillway type - Over the dam Sill elevation - 37 m Sill length - 30,30 m Number of gates - 3 cradial gates Maximum discharge - 3200 m3/s Energy dissipation - Stilling basin |
Location -
Thalweg Type - Through the dam Maximum discharge - 50 m3/s Downstream control - Yes Energy dissipation - Hydraulic jump |
POWER PLANT | |
Type - Contiguous
to the dam Number of installed units - 1 Type of units - Kaplan Power installed capacity - 22 MW Mean annual energy output - 67 GWh |