Aldeadávila HPP

Project Information: Central cavern (45 x 21 x 89 m), generator, turbine and powerhouse (12.5 x 13.5 x 66.2 m), three control gates (12.4 x 11 x 45 m) and the intake (15.5 x 13 x 47 m).

Two control pressure shafts of 60 m length and 420 m² cross section each one, two penstock tube of 180 m long and Ø = 7.2 m, five more shafts of 270 m long and 4 to 10.8 m of diameter.

Discharge tunnel of 850 m and 145 m², two cross tunnels of 80 m y 70 m² each one, two sewers of outflow of 150 m each one, maximum slope 33% and 80 – 100 m² cross sections.

Country: Spain

Province: Salamanca

Place: Aldeadávila

Geometry:

  • Sección: Variable
  • Longitud: 2,196 m

Overburden: Medium

Method of Tunneling:

  • NATM. Drill and blast

Geology and Geotechnical Data:

  • Porfidic and biotitic grained granites

Tunnel Equipment:

  • Jumbos Atlas Copco H – 125
  • Tamrock Minimatic (Two booms and service plataform)