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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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EP border LU/NW - Hergiswil

The busy section of freeway between Lucerne and Stans is an important piece in the puzzle of the Swiss north-south axis. In addition to the widening of the freeway, repair work is also being carried out on the existing infrastructure.

Project description

On the A2 freeway from Lucerne in the direction of Brünig or Gotthard, one currently drives through the two and a half kilometer long construction site in Hergiswil. The construction site begins approx. 150 m after the Spier tunnel up to and including access ramps N08, from and to Sarnen.

The Swiss Federal Roads Office (FEDRO) awarded ARGE A2 Hergiswil the contract to carry out the lakeside widening of the freeway and various maintenance works on the existing infrastructure.

For the lakeside widening of the freeway, the contract includes the construction of 9,750 m of bored piles. These will form the foundation for the concrete support structures that will allow the widening of the route.

The roadway runs through the middle of the village of Hergiswil. Houses are located in the immediate vicinity of the highway, so special consideration is given to noise protection, and 39,000 m2 of noise barriers will be built.

The concrete on existing bridges, overpasses, retaining and guide walls will be renewed. The total removal and application of surfaces amounts to approx. 11,000 m2. All rolled asphalt pavements will also be rebuilt during the respective construction phases.




Project objectives

The client is pursuing three project goals with the initiated measures:

In view of higher traffic volumes, the emergency lane will be widened by approx. 1.50 m on the lake side. This makes it possible to convert the emergency lane into a temporary third lane during traffic peaks in the northbound direction.


The fire protection no longer meets current requirements and must be renovated. The goal is to achieve an improvement in noise protection. This in view of the fact that the nearest properties are located immediately behind the highway. In addition, the building is not considered earthquake-proof. This is to be achieved by bracing the gallery.


The third goal is to maintain the value of the property for the next years of use.



Special features

The greatest challenges in the project are the complex construction sequences with strongly changing personnel, coordinated with the demands of the respective construction phases, as well as the limited space for personnel and installations.
Contact

Walo Bertschinger AG
Giessenstrasse 5
8953 Dietikon 1

Service

Concrete rehabilitation and hydrodynamics

Building sum
CHF 82.6 Mio.
Builder
Federal Roads Office FEDRO
Branch office Zofingen
Brühlstrasse 3
4800 Zofingen
Construction management
IG top_lokal
c/o Emch+Berger AG
Gewerbestrasse 11
6330 Cham
Company
ARGE A2 Hergiswil
Anliker AG Construction company
Walo Bertschinger AG
Marti Bauunternehmung AG, Lucerne
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