Grand Paris Express project promoter Société du Grand Paris has announced that the first tunnel boring machine (TBM) on the scheme has started its drive.
The TBM – named Steffie Orbival – will drive a 2,178m section of Line 15 at 20m below ground from the Champigny Plateau shaft to Villiers-sur-Marne.
The tunnel forms part of the Grand Paris Express scheme which will see 200km of new metro built in Paris by 2030 and Line 15 is expected to be the first to open with some sections in operation by 2024.
According to Société du Grand Paris, Steffie Orbival is expected to progress at a rate of 12m per day but will experience challenging ground conditions with varied geology and pass close to the RER E line on the drive. The TBM will drive at a gradient from 20m below ground level at start to 30m below ground level at Villiers-sur-Marne.
You might also like...
Assembly of third Grand Paris Express TBM starts
Grand Paris Express project promoter Société du Grand Paris has announced that assembly of the third tunnel boring machine (TBM) for Line 15 South has started to be assembled at Bagneux.
Diaphragm walling starts on new Grand Paris Express station
Société du Grand Paris has said that diaphragm wall work to form the box for the new Châtillon – Montrouge station has got underway.
Gallery: 6,000 watch third Grand Paris tunnelling machine launch
More than 6,000 watched as the third tunnelling boring machine (TBM) on the Grand Paris Express project was lowered into a shaft at the Bagneux site in Hauts-de-Seine.
Salini Impregilo wins €718.8M Grand Paris Express contract
Salini Impregilo has won a €718.8M (£631M) contract to build a section of a new metro Line 16 for Grand Paris Express.
Have your say
You must sign in to make a comment
Please remember that the submission of any material is governed by our Terms and Conditions and by submitting material you confirm your agreement to these Terms and Conditions. Links may be included in your comments but HTML is not permitted.