In February 2020, the Puits Flandres site welcomed the first parts of the Florence tunnel boring machine which will travel 3,4 km towards the Rolland structure (Le Bourget). This is the old Steffie - Orbival tunnel boring machine which was dismantled and then reassembled. It was assembled on the surface and lowered in three parts into the well. Relive in video all the important stages of the preparation of the first tunnel boring machine of line 17.
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