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Anchored in Switzerland and internationally active, WALO is managed as a family business in the 4th and 5th generation. For over 100 years, WALO has focused on the combination of consistency and innovation.


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WALO is active as an innovative total solutions company in all markets of the construction industry. The family-owned company has established itself as a reliable partner in the construction industry and infrastructure projects in Switzerland and worldwide with its decades of experience and the permanent development of sustainable as well as economical solutions.


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We have successfully implemented many challenging projects. Therefore, we proudly let our references speak for our work.


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Whether residential, industrial, healthcare, outdoor or for sports and leisure facilities - seamless floor coverings have to meet a wide variety of requirements on a permanent basis.


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Good buildings and thus satisfied customers require precise construction work. All our employees, from unskilled workers to engineers, play a key role in ensuring that we achieve this goal time and time again.


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BLS reconstruction of Zweisimmen railroad station - bridge over Lenkstrasse

As part of the "TransGoldenPass" project of the Montreux-Berner Oberland-Bahnen (MOB), a transfer-free connection on the Montreux - Spiez line was created at the Zweisimmen station by constructing a gauge change facility.

Project description

As part of the "TransGoldenPass" project of the Montreux-Berner Oberland-Bahnen (MOB), a transfer-free connection between Montreux and Spiez is to be created at the Zweisimmen station by constructing a gauge change facility. The expansion of the station facilities in Zweisimmen required for this also necessitates, among other things, a widening of the southern station access via Lenkstrasse due to the additional standard gauge connection of the MOB-Perrons. For this purpose, the east side of the two existing railroad bridges over Lenkstrasse as well as the existing retaining walls "Gemse" and "Technikräume" have to be replaced.

 

Special features

A major challenge of this construction site was the logistics. Due to the tight space conditions, the only access in the area of the "Gemse" retaining wall was via the existing east bridge. The logistics were therefore carried out via the track that was shut down during the construction phase. After completion of the "Gemse" retaining wall work, the abutment widening and dismantling of the east bridge could be started. At the same time, the "retaining wall technical rooms" with integrated technical room was constructed.

Main work carried out

  • Dismantling of the railroad line excl. tracks
  • Extensive excavation work
  • New retaining wall "chamois" on micropile foundation
  • Widening of abutment walls
  • Demolition and new construction of the east bridge
  • New construction of retaining wall "technical rooms
  • Extensive work line construction
  • Pavement works

Special features of the bridge demolition

  • Edge area of the bridge is only 75 cm next to the railroad facilities in operation incl. the main power line of the railroad 5m above the bridge.
  • The cantonal road below the bridge was always in operation, a complete closure was not possible.
  • In the abutment space of the bridge there is an operating transformer of BKW with 16'000 volts.
  • During construction, the bridge was connected to the neighboring bridge by means of tie rods. In addition, the entire abutment area was filled with epoxy resin.
Contact

Walo Bertschinger AG Bern
Feldstrasse 42
3073 Gümligen

Service

Road construction & Civil engineering

Trackwork and Rail engineering

Building sum
CHF 2.6 Mio.
Builder
BLS Netz AG
Installations and projects
Genfergasse 11
3001 Bern
Construction management
Emch + Berger AG Bern
Schlösslistrasse 23
3001 Bern
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