Detalhes do Projeto

PRETAROUCA DAM

Owner: Águas de Trás-os-Montes e Alto Douro
Site: Rio Balsemão – Lamego – Viseu – Portugal
Conclusion year: 2009

 

Construction of a 28.5 metres high concrete gravity dam.

xecution of the provisory by-pass works of River Balsemão, by-pass system of the impounding reservoir, constituted by a by-pass weir, by pass trapezoidal channel, and stairs for aquatic fauna, accesses networks that includes the construction of a road bridge to re-establish the connection between Petrarouca and Dornas.

Crest elevation: 922,5 m

Crest length: 305,5 m

Deck width over crest: 7,5 m

Concrete volume: 37 117 m3

Useful volume of the reservoir: 3 219 000 m3