Cortes–La Muela Hydro Development

Project Information: Mainly Cavern 111 x 31.5 x 47 m, Transformer Caverna 62.2 x 17 x 13.5 m and Hydraulical connections. Includes a reservoir of 20 Hm³ connected to the Power Plant.

1,159 m total long three shafts and ramps. Flexible section between 10 to 66.5 m².

Also 920 m long tunnels and roadways, three ventilation tunnels with sections between 40 to 55 m².

Country: Spain

Province: Valencia

Place: Cortes de Pallás

Geometry:

  • Sección: Variable
  • Longitud: 2,158 m

Overburden: 180 m

Method of Tunneling:

  • NATM. Drill and blast
  • Raise borer

Geology and Geotechnical Data:

  • Calcareous marls with karst process and marlsly limestones

Tunnel Equipment:

  • Jumbo with two and three booms Tamrock Minimatic
  • Wet – mix Aliva AL – 285 η = 9 – 21 m³/h