Alto Cávado dam

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Alto Cávado dam
Tributaries: Cávado
Drain: Cávado
Dam Alto Cávado (Portugal)
Alto Cávado dam
Coordinates 41 ° 48 '10 "  N , 7 ° 52' 33"  W Coordinates: 41 ° 48 '10 "  N , 7 ° 52' 33"  W.
Data on the structure
Construction time: until 1964
Height above valley floor: 26 m
Height above foundation level : 29 m
Height of the structure crown: 906.5 m
Building volume: 29,000 m³
Crown length: 220 m
Crown width: 4.74 m
Data on the reservoir
Altitude (at congestion destination ) 901.5 m
Water surface 0.5 km²dep1
Storage space 2 million m³
Total storage space : 3.3 million m³

The Alto Cávado dam ( Portuguese Barragem do Alto Cávado ) is located in the northern region of Portugal in the Vila Real district . It dams the Cávado to a reservoir (Port. Albufeira da Barragem do Alto Cávado ). The small town of Montalegre is about six kilometers northeast of the dam. About five kilometers downstream is the Paradela dam .

The dam was completed in 1964. It is owned by the Companhia Portuguesa de Produção de Electricidade (CPPE).

Barrier structure

The barrier structure is a gravity dam with a height of 29 m above the foundation level (26 m above the river bed). The top of the wall is at a height of 906.5 m above sea level . The length of the top of the wall is 220 m and its width 4.74 m. The volume of the structure is 29,000 m³.

The dam wall has both a bottom outlet and a flood relief . A maximum of 27 m³ / s can be discharged via the bottom outlet, and a maximum of 410 m³ / s via the flood discharge.

Reservoir

With a normal storage target of 901.5 m (maximum 905 m at high water), the reservoir extends over an area of ​​around 0.5 km² and holds 3.3 million m³ of water - of which 2 million m³ can be used.

See also

Individual evidence

  1. a b c d ALTO CÁVADO DAM. APA Barragens de Portugal, accessed December 21, 2014 .