1-5 of 5
  • WALO UK: Reservoir capacity enlargement, Rifa
    Reservoir capacity enlargement, Rifa
    WALO UK
    As part of a capacity enlargement programme for a whole chain of power plants, the storage volume of the Rifa reservoir needed to be increased from 670,000 m3 to 1,100,000m3. In order to do this, the existing earth dam...
  • WALO UK: Constructing a snow reservoir, Ischgl, Austria
    Constructing a snow reservoir, Ischgl, Austria
    WALO UK
    Silvrettaseilbahn AG, the owners of a ski resort located at Ishchgl in Tyrol, Austria wanted to expand their capabilities for the production of artificial snow. WALO has constructed a snow reservoir 2,500m above sea level,...
  • WALO UK: Enlargement of Tierfehd reservoir, Switzerland
    Enlargement of Tierfehd reservoir, Switzerland
    WALO UK
    The pumped storage hydro power station at Glarus in Switzerland was being expanded. This involved enlarging the capacity of the equalising reservoir in the valley. To achieve this, WALO worked on providing a second...
  • WALO UK: Rehabilitation of large pump storage scheme - Zarnowiec
    Rehabilitation of large pump storage scheme - Zarnowiec
    WALO UK
    The powerplant of Zarnowiec is the largest pump storage scheme in Poland.The permanent load changes during operation and the extreme differences in temperature have imposed a severe stress to the reservoir which required...
  • WALO UK: Impermeable reservoir lining for calcareous ground, Avce
    Impermeable reservoir lining for calcareous ground, Avce
    WALO UK
    The Avce pump storage scheme is sited in a natural depression. The ground under the reservoir is calcareous, formed of karst formations, so the reservoir needed an impermeable lining system.