Employer
Salzburg AG, AT-5020 Salzburg
Designer
Salzburg AG, AT-5020 Salzburg
Time of Completion
07.2012 – 12.2014
Contract Sum
CHF 25 Mio. (€ 21 Mio.)
Execution of the Works
ARGE KW Bärenwerk
Consortium Partners
Marti GmbH Österreich, AT-8010 Graz
Marti GmbH Deutschland, DE-70567 Stuttgart
Marti Tunnel AG, CH-3302 Moosseedorf
Lead Company – Technical and Commercial Lead
Marti GmbH Österreich, AT-8010 Graz
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Scope of the Works
Upgrade of the power plant Bärenwerk in Fusch, on the Grossglockner. The main measures are the construction of the underground waterway gallery and the new dam.
- Waterway Ø 3.8 m
- Tilt 4.8 %
- Length 3'275 m
Technical Specifications
- Operator: Salzburg AG
- Plant type: Hydropower plant
- Commissioning: 1924
- Yield (+28 %): 14'960 kW instead of 11'600 kW
- Annual production (+17 %): 66.3 Mio. kWh
instead of 56.9 Mio. kWh
- Turbines: 3 Pelton turbines
- Tank: daily storage in Ferleiten
- Height of fall: 290 m
- Flow: 6.45 m³/s
instead of 5.35 m³/s
Activities
- 100 m with counter-jacking D&B
15 % slope- 280 m gallery D&B
- 2'835 m penstock TBM Ø 3.8 m
- 2'935 m inner shell 600 m with sealing
Contact
Marti Tunnel AG
Seedorffeldstrasse 21
CH-3302 Moosseedorf
Tel. +41 31 388 75 10
tunnel@martiag.ch
