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News

Brenner Basistunnel Durchschlag am BBT H53

Ein bedeutender Fortschritt am Brenner Basistunnel (BBT) Baulos H53 konnte am 08. Mai 2025 gefeiert werden.

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Contract award 2. SBSS München Ost

IGT - in JV with Sweco, Gebauer Ingenieure, Inros Lackner and Vössing, has been awarded the site supervision of suburban railway track München Ost

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Tunnel Vierzehn breaktrough 2nd tube

S10 Mühlviertler Schnellstraße Breaktrough Tunnel Vierzehn

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Target Cost contracts – panacea or deception?

The Austrian Federal Railways held a workshop on Target Cost contracts (German: Allianzverträge) on 10th December 2024.

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    Brenner Base Tunnel lot H52 winning project at ITA Tunnelling Awards

    11. December 2024— Gratulations and Glück Auf to the winning team!

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    Celebration of Saint Barbara in Ebensee

    05. December 2024— Barbara Day celebration on power plant construction site Ebensee

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    Final breakthrough Semmering Base Tunnel

    03. December 2024— Final breakthough on November 29, 2024

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    Refurbishment Kherrata Tunnels

    20. September 2024— Contract award notice: refurbishment Kherrata Tunnels, Algeria

A9 Pyhrn motorway, Selzthal tunnel

Client: ASFINAG

Partial services for the tunnel:

  • Construction phase 1 (Spielfeld-bound): From 14.11.2016 to 17.08.2017
  • Construction phase 2 (Voralpenkreuz-bound): From 18.08.2017 to 26.03.2018

The Selzthal tunnel is located on the A9 Pyhrn motorway. The west tube with approx. 1010 m was built in the 1970s, the east tube with approx. 956 m was built in the 1990s. The east tube comprises the 16 m long north gallery, a 24 m long cut-and-cover section and the 916 m long tunnel, built by conventional tunnelling methods.

The refurbishment work includes civils and M&E services. In addition, the regulations of the Austrian Road Safety Act (STSG) and any other relevant or related regulations must be observed.

 

Partial services for the open sections:

  • Construction phase 1: From 12.11.2016 to 17.08.2017
  • Construction phase 2: From 18.08.2017 to 12.02.2018
  • Project completion 26.04.2018

Refurbishment work includes both lanes in the section between Ardning and Rottenmann. In the section mentioned above there are 7 bridges with an overall area of approx. 47,000 m² and 3 ramps on the Liezen approach road that require refurbishment. The complete bridge dewatering system will be refurbished. For deep foundation (in the form of displacement piles of up to 40m) of the 5 water protection plants located in the moor pre-stabilisation fillings are built, on which the WPPs are later installed.

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