Temporary plant at 1,710 metres above sea level. Due to the construction of the new ‘Spitallamm’ replacement dam by Kraftwerke Oberhasli AG (KWO), Frei Fördertechnik AG built a treatment plant on the Gerstenegg Grimsel Pass.
- Client/builder
- ARGE Grimsel (Frutiger AG, Implenia Schweiz AG, Ghelma AG) / Kraftwerke Oberhasli AG
- Location
- Grimselpass, IP Gerstenegg, CH-3864 Guttannen
- Project
- Treatment plant
- Year of construction
- 2020
- Sector
- Building materials (Non-metallic minerals / Recycling)
Project
In the processing plant, the excavated material, around 70,000 m3 of rock, which had to be removed for the foundations, is processed into concrete gravel. In contrast to conventional concrete, a maximum grain size of 125 mm is used for concrete production. In addition, the excavated material from the construction of the Grimsel 2 power plant in the 1970s is processed in this temporary gravel works.
Special features
- Construction site at 1,710 metres above sea level
- Construction possible between May and October, depending on weather and snow conditions
Technical data
- Feed material
- Excavated material, landfill material, 0-200 mm
- Plant feed capacity
- 200 t/h
- Installed capacity
- 690 kW
- Water circulation volume
- 550 m3/h
- End products
- 0/4, 4/8, 8/16, 16/32, 32/63, 63/120
- Installed machines (selection)
- Material feed, conveyor technology, sand processing, material processing, crushing plant, chamber filter press, clarification towers, eddy current separators, screening machines, spiral separators, etc.
Contact person
Jan Blatter
Co-CEO, Leiter Projektverkauf Baustoffe / Intralogistik
+41 31 720 56 10
j.blatter@ffag.ch
Co-CEO, Leiter Projektverkauf Baustoffe / Intralogistik
+41 31 720 56 10
j.blatter@ffag.ch