• B10 Rosensteintunnel and B10/B14 connection at the Leuze

    B10 Rosensteintunnel new contruktion, B10B14 Leuze 3. tube new construction, Refurbishment 1. and 2. tubem, B10/B14 Bergertunnel Refurbishment, B14 Schwanenplatztunnel Refurbishment
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  • „Hamburger – Deckel“ Expansion of the A7 motorway

    Tunnel Schnelsen, Tunnel Stellingen, Tunnel Altona
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  • Kombilösung Karlsruhe

    Light rail tunnel with 7 stops, 4 of which with event ventilation by means of exhaust axial fans
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  • Jungfraujoch – Top of Europe

    Exhaust air system at Mönchstollen, Extension of track 3 - event ventilation
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  • N06 Tunnel Mittal

    Maintenance project Tunnel Mittal BSA
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