Viviana<\/a>\u00a0continues to make slower progress on the north tube while navigating a geologically complex section on its 9km drive.<\/p>\n\u201cThis configuration, already encountered during the excavation of the south tube, imposes particularly delicate excavation phases, requiring reinforced controls, technical adaptations of the machine and specific maintenance operations. As a result, the pace of progress alternates between excavation phases and technical stops, the duration of which can be extended depending on the conditions encountered,\u201d TELT says.<\/p>\n
In La Praz, the CO 6\/7 consortium is preparing for the arrival of the two additional TBMs.<\/p>\n
In Avrieux, on Lot CO5, one of the four ventilation wells is already in service while the last one is being finished and in\u00a0Villarodin-Bourget\/Modane, the assembly of the first of the two TBMs that will cross the border continues. Its commissioning is scheduled for this winter.<\/p>\n
In\u00a0Saint-Jean-de-Maurienne at the multimodal interchange on Lot CO9, the interconnection with the existing rail network is entering a critical phase. As part of the connection of the new tracks to the existing tracks,\u00a0SNCF R\u00e9seau is carrying out continuous operationsfrom September 11 to\u00a0October 9.<\/p>\n
On the Italian side, on Lot CO3\/4 \u2013 Chiomonte-Giaglione \u2013 the UXT consortium of Itinera, Ghella and Spie Batignolles is rehabilitating the\u00a0Chiomonteconstruction site\u00a0after the area was damaged in a violent attack by opponents to the railway project in July.<\/p>\n
UXT is also preparing to excavate the Maddalena 2 gallery from which the sixth TBM will be launched.<\/p>\n
The 57.5km twin-tube Mont Cenis Base Tunnel is being built across 12 co-ordinated construction sites. When completed, it will be the world\u2019s longest railway tunnel.<\/p>\n","protected":false},"excerpt":{"rendered":"
In its latest update, TELT, the French-Italian public company managing the construction,\u00a0also says there are 17 excavation fronts in operation on the central element of the Lyon-Turin railway project. At the French portal to the base tunnel, in\u00a0Saint-Julien-Montdenis, traditional excavation is 80% complete. At the same time, the final lining has been applied to more than 20% of the tunnel. In\u00a0Saint-Martin-la-Porte, on LotCO7 being delivered by CO 6\/7, the Italian-French consortium comprising Vinci Construction, Webuild, Dodin Campenon Bernard and Campenon Bernard Centre, TBM\u00a0Viviana\u00a0continues to make slower progress on the north tube while navigating a geologically complex section on its 9km […]<\/p>\n","protected":false},"author":5,"featured_media":20509,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[5558,2829,3501,281],"class_list":["post-20508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-french-italian-public-company","tag-lyon-turin-railway-project","tag-mont-cenis-base-tunnel","tag-telt","post--single"],"yoast_head":"\n
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