Monaco : one third of the concrete caissons in place for Anse du Portier project

Infrastructures Division

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On Wednesday, February 13th 2019, Eiffage Génie Civil Marine teams, successfully completed the installation of the sixth concrete caisson for the offshore extension of Anse du Portier in Monaco.

This infrastructure that will ultimately represent around 6.5 hectare, extension of new land into the sea. The sixth caisson - a series of 18 units - weighs 11, 000 tons. It’s length and width measure 30 m, which culminates to 25 m of height: the equivalent to a building consisting 8 floors high.

Particularly meticulous, the placing of these units had a tolerance of only 15 cm! – It was perfectly respected and executed. 

Don’t forget to take into consideration that, Eiffage Génie Civil Marine, carried out the maritime transport of the caissons from Marseille, levelling of the underwater layer, as well as the Immersion and ballasting of the 18 caissons, which will form the belt of this second extension at sea in the Principality of Monaco.

Photo Credit : Eiffage Branche Infrastructures