With the purpose of ensuring the safety of property (real estate) and persons and under the management plan solids Union Joint development of the Arve and its surroundings (SM3A). The dredging will be take place in the river Arve on several points in the Chamonix Valley: in the city center and the confluences of Arveyron/Mer de Glace and Creusaz, and next to the Chamonix Golf. The objective of this work is to respect the baseline of the bed identified in 1998 in a study on the transport of solid materials on the upper valley of the Arve. Le Dauphiné
