Portela Lake

IGA - Investimentos e Gestão de Água. S.A.


Construction of Portela Lake, a construction of a dam embankment and its circuits of water supply, drainage and water intake and rehabilitation of Levada da Portela/Furado.

Embankment dam with maximum height of 19,5 meters above the thalweg of the watercourse downstream. In homogeneous soil profile, the dam has a volume of 70,000 ³, offering a subhorizontal filter in contact with the foundation under the stabilizer downstream foundation.

The Pond, achieved by excavation in the valley and materialization of the dam with inclined slope 1V: 1H, allows a total storage capacity of 87,800m³ of water between the bottom level of 727m, and the full level of storage of 738,5 m.

Levada da Portela/Furado: the amount of stretch of Levada da Portela will be rehabilitated, with an approximate length of about 2600m, right up to the junction for the future Pond.

Type:

Hydraulic works, Dams and River Works

Country:

Portugal

Location:

Portela - Madeira

Start date:

2011

Final date:

2012

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