Bondo – Redesign of Bondasca and Maira Protective Dams

During the Bondo landslide on 23 August 2017, three million cubic metres of rock and debris from the Piz Cengalo fell into the Bondasca valley. It buried the not only locally and regionally important roads and infrastructure, but also several buildings.

Due to the cultural-historical significance of the affected communities of Bondo, Promontogno and Spino, the municipality and canton decided to launch a competition for interdisciplinary teams for the reconstruction – a first.

The project proposal of the winning strata team continues the DNA of this unique cultural landscape: clear artefacts enter into dialogue with the impressive natural landscape – walls, terracing and protective dams/structures are the means to naturally embed the new infrastructure buildings. The newly elevated cantonal road, for example, plays the role of shielding barrier, while the protective walls on the village side are adapted to the texture of the site by means of fine garden terracing.

The carefully integrated protective structures should also generate added value for the everyday life of the population: The tops of the embankments will be used to connect pedestrians, for example between the new bus stop and via the striking new Punt bridge to the Crotti, the multi-purpose hall and the community centre, where the Chestnut Festival will take place in the future.

Data

Landscape Architecture: mavo Landschaften (Aloïs Bottini, Valentin Hofer, Christopher Opialla, Martina Voser)

Other designers involved in the design of landscape:

arge strata:

mavo Landschaften

Conzett Bronzini Partner AG

Eichenberger Revital SA

Conradin Clavuot

Müller Illien Landschaftsarchitekten

Caprez Ingenieure AG

Project location: Bondo, 7606 Bregaglia, Switzerland

Design year: 2020 –

Year Built: 2021 –

Metalco ArchInteligence

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