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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