Covão do Meio dam

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Covão do Meio dam
Tributaries: Loriga
Drain: Loriga
Covão do Meio dam (Portugal)
Covão do Meio dam
Coordinates 40 ° 20 '2 "  N , 7 ° 37' 58"  W Coordinates: 40 ° 20 '2 "  N , 7 ° 37' 58"  W.
Data on the structure
Construction time: 1951 to 1953
Height above valley floor: 25 m
Height above foundation level : 31.5 m
Height of the structure crown: 1,653.9 m
Building volume: 9,000 m³
Crown length: 300 m
Data on the reservoir
Altitude (at congestion destination ) 1,653.7 m
Water surface 0.9 km²dep1
Storage space 1.3 million m³
Total storage space : 1.4 million m³

The dam Covão do Meio (dam "cave / ditch of the middle"; Portuguese Barragem de Covão do Meio ) is located in the region of central Portugal in the Guarda district . It dams the Loriga to a reservoir ( Albufeira do Covão do Meio in Portuguese ). The dam is located in the Parque Natural da Serra da Estrela nature reserve . The small town of Loriga is about four kilometers west of the dam.

The project to build the dam began in 1951. The construction was completed in 1953. The dam is owned by HIDROCENEL, Energia do Centro, SA .

Barrier structure

The barrier structure consists of an arch on the left and a weight dam on the right. Its height is 31.5 m above the foundation level (25 m above the river bed). The top of the wall is at a height of 1,653.9 m above sea level . The length of the top of the wall is 300 m. The volume of the dam is 9,000 m³.

The dam wall has both a bottom outlet and a flood relief . A maximum of 40 m³ / s can be discharged via the flood relief.

Reservoir

With the normal storage target of 1,653.7 m (maximum 1,653.9 m at high water), the reservoir extends over an area of ​​around 0.9 km² and holds 1.4 million m³ of water - of which 1.3 million m³ can be used .

The water from the reservoir is fed through a tunnel with a length of 2,354 m to the reservoir of the Lagoa Comprida dam .

See also

Individual evidence

  1. a b c d COVÃO DO MEIO DAM. APA Barragens de Portugal, accessed December 31, 2014 .
  2. ASPECTOS GEOGRÁFICOS E GEOLÓGICOS. Município da Covilhã, accessed December 31, 2014 (Portuguese).