Be prepared – not only for the Boy Scouts
With the gradual downsizing of the Army structures in Andermatt, the military facilities are also disappearing. The munitions base is already history. The recovery of the shooting range site was no simple task. Every millimetre of terrain with bullet backstop berms was successfully ridded of heavy metals such as lead and antimony. Now the 40-year-old Hall 2, adjacent to the Matterhorn Gotthard Bahn station, is being demolished. Here the task is somewhat easier because the demolition area is smaller and the experience gained through the dismantling of the shooting range can be applied. The building is being removed to make room for numerous new projects including the ski underpass, new train station, and base station of the new gondola cableway. Thus the site will be prepared for an immediate start once these projects are ready for execution.
The demolition, which will be finished by the end of May, is being handled by Tiefbau AG from Flüelen. “We work from the top down. Because it’s a concrete frame structure, we can remove concrete elements as entire pieces”, emphasizes Urs Herger, project manager at Andermatt Swiss Alps AG. The building, 20 metres wide, 70 metres long and 13 metres high, most recently served as a warehouse of armasuisse. Even empty, the building boasts impressive dimensions. “We estimate some 2,800 tonnes of demolition material”, says Urs Herger. The building will be dismantled in individual pieces as large as possible, instead of being reduced to rubble, the usual method. These pieces will remain in the Urseren Valley, more precisely in Zumdorf, Uri, where at the recycling centre they will be processed and once again become concrete.
A great challenge according to Urs Herger is the train tracks immediately adjacent to the building. The trains will continue to run on their normal schedule just a few meters away from the demolition site. Emissions of noise and dust are always an issue in demolition projects. “We will do our best to keep these levels as low as possible. With the sequential dismantling of large elements and the avoidance of wrecking by impact we will surely achieve this.
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