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French water tunnel construction reveals unexpected caverns
Eiffage Civil Engineering’s work on the Galerie des Janots project in La Ciotat, France has now restarted after the bore encountered an unexpected cavern in the limestone.
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Lady Bird lifted after tunnelling completion in Washington DC
US-based DC Water has announced that the Herrenknecht tunnel boring machine (TBM) named Lady Bird has been lifted to the surface after completing a 7km tunnel as part of the Clean Waters project in Washington DC.