SALAMONDE DAM |
|
PURPOSE - Hydroelectric | |
LOCATION | GENERAL FEATURES |
District -
Braga Municipality - Vieira do Minho Site- Salamonde River Basin - Cávado River - Cávado river |
Promoting entity
- CPPE, Cª. Portuguesa de Produção de Electricidade, SA Owner - CPPE Engineering by - A. COYNE, J. BELLIER Construction by - SEOP Year of completion - 1953 |
HYDROLOGY | RESERVOIR |
River basin area
- 642 km2 |
Reservoir area
- 2 420 x 1 000 m2 Gross capacity - 65 000 x 1 000 m3 Effective storage - 56 300 x 1 000 m3 Normal water level (NWL) - 280 m Maximum flood level (MFL) - 280,5 m |
DAM | |
Concrete - Thin
arch dam Height above foundation - 75 m Crest elevation - 281 m Crest length - 284 m Foundation - Granite Volume of dam body - 93 x 1 000 m3 |
|
SPILLWAY | BOTTOM OUTLET |
Location - Dam
body Control type - Controlled Spillway type - Over the dam Sill elevation - 275,8 m Sill length - 40 m Number of gates - 4 Stoney gates Maximum discharge - 1 700 m3/s Energy dissipation - Stilling basin |
Location -
Thalweg Type - through the dam Section - D 2,6 m Maximum discharge - 130 m3/s Downstream control - Hollow jet valve Energy dissipation - Hollow jet and scour holes |
POWER PLANT | |
Type - Underground Number of installed units - 2 Type of units - Francis Power installed capacity - 42 MW Mean annual energy output - 232 GWh |