The recent growth of mountainous areas directly or indirectly concerned with the development of winter tourism has resulted in a significant increase of permanent protection works on the areas subject to avalanches. In particular, these works involve the construction of snowblock structures designed to minimise any snowpack movement in the detachment area so as to avoid any avalanche formation.
Therefore, we believe that also in the snowblock field it is fundamental to adopt only “approved structures”, which means only structures which have been correctly dimensioned and, above all, tested on site and certified.
PROCEDURE TO OBTAIN APPROVAL
Obtaining the approval for a snowblock structure from the UFAFP (Federal Office for the Environment, Forests and Landscape) in Bern (CH), that’s to say the worldwide authoritative centre for snow and avalanche research, is not quick and easy.
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It is necessary to draw up a detailed series of papers to forward first to the Federal Direction of the Forest Division in Bern, where they are controlled and checked with extreme caution, and then to the SNV (Federal Institute for Snow and Avalanche Research) in Davos (CH) for the final verdict of acceptance, with a continuous and constant monitoring of a sample of the type mounted on site.
Every snowblock structure we submitted has brilliantly passed this procedure and obtained the coveted certification..
SNOWBLOCK BARRIERS APPROVED
| DK |
N |
fc |
| 2.5 |
2.5 |
1.1 |
| 3.0 |
2.5 |
1.1 |
| 3.5 |
2.5 |
1.1 |
| 4.0 |
2.5 |
1.1 |
DK: Snow thickness in meters
N: Sliding factor
fc: Level factor
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