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Catch fences for Mont Terri visitor center,

St-Ursanne

Wherever the hazard maps indicate an unacceptable threat to existing facilities, suitable measures are needed to reduce the risks to a reasonable level. Depending on the situation, the associated works are performed at the source of the risks (hazard control) or to the endangered facility (property protection). To protect the visitor center, which was at immediate risk from rockfall, as well as the neighboring Fours à Chaux cultural center in St-Ursanne (municipality of Clos du Doubs), the Canton of Jura authorities commissioned Gruner to calculate the optimum size and layout of catch fences and to supervise their installation.