News & Infos Excavation existing tube
Connection of cross passages EQ03 during the construction of the new tube
News & Infos Test stretch of panel lining
The eastern portal area of the existing tube was equipped with enamelled panels instead of tunnel coating
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The new tube was built according to NATM principles, the breakthrough of the top heading took place within less than one year of excavation. Additional construction phases included the installation of a waterproofing, inner lining with intermediate ceiling and concrete pavement.

The restoration and adaptation of the existing tube included the construction of 4 additional parking niches, the connection of the cross passages and the replacement of the existing asphalt road. In addition, the drainage system was reconstructed, the tunnel coating was renewed and all security and operation systems updated.

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