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Services Hydraulic structures Reference projects

Boathouse, Im Auried, Au

Services Hydraulic structures Reference projects
Boathouse, Im Auried, Au

Project Description

As a result of settlements and misalignments, the listed boathouse located at Im Auried in Au was in a severely dilapidated condition and was in urgent need of repair. During on-site surveys and structural inspections, major settlements and deformations were identified in the building and its landing bridge that posed a danger to the overall stability. Furthermore, the existing sea wall was also at risk of collapse – a fate that had already befallen the staircase leading down to the lake. Consequently, the building foundations were reinforced with micropiles and reinforced concrete bars, while the landing bridge at the boathouse was also repaired. Damaged wood at the bathhouse annex and bathing platform was replaced. The works consisted of installing micropiles underwater, underwater engineering, concrete work underwater and carpentry work.

Special Features of the Project

The project brought with it a number of challenges. During the building work, no additional loads were permitted on the existing foundations. The measures had to be carried out so that any loads were absorbed by the new piles during building work and on completion. As there were only narrow paths available, the boathouse could only be accessed via the lake or with small equipment. A breeding ground for terns is located around 100 metres south-east on the lake and could not be disturbed. Moreover, the close seasons for fish also had to be observed.

Walo Bertschinger AG


Bächliackerstrasse 10
4402 Frenkendorf


+41 61 335 92 92
Currently no address available.

July 2018 – December 2018

Building Department Canton of Zurich, Office of Planning and Architecture

Staubli Kurath & Partner AG
Bachmattstrasse 53
8048 Zürich

800’000 CHF

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www.walo.ch is the official website of Walo Bertschinger AG.

 

Walo Bertschinger AG

Heimstrasse 1

8953 Dietikon

Tel. +41 44 444 31 11

walo@walo.ch

 

Concept / Design / Implementation

Die Gestalter AG, St.Gallen

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