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BOTTOM DRAIN OF THE JAROSA DAM. MADRID (SPAIN)

The construction of a new bottom drain at the Jarosa dam (Guadarrama, Madrid) was executed in 2008 at the request of Canal de Isabel II, to improve the operational safety of the dam and to comply with the current regulations’ recommendations. The project execution was adjudicated to Obras y Servicios Públicos S.A. (OSEPSA), subcontracting the excavation of the dam by pipe jacking with closed shield tunnel boring machine AVN to the company Europea de Hincas Teledirigidas S.A.U - EUROHINCA.

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