Tenders Are Invited For A13 In Westast + Sonnenburgerhoftu. + Partial San. Bus / Main Construction Work - A13 In Westast + Sonnenburgerhoftu. + Partial San. Bus / Main Construction Measures / Construction Services

The A13 Brenner Motorway Is One Of The Most Important Transalpine Traffic Corridors In Austria And Is Divided To The North Into A Western Branch (Towards Innsbruck West/Bregenz) And An Eastern Branch (Towards Innsbruck East/Kufstein). Asfinag Is Planning The Comprehensive Repair Of The Two-Tube Sonnenburgerhof Tunnel On The A13 (A131 West Branch) For The Period 2026 To 2028/29. The Central Measure Is The Extension Of The Eastern Tube (Rfb Bregenz), Which Replaces The Existing Raisachhof Bridge. In Addition, The Electrical Mechanical Systems, The Portal Areas, Operational Buildings And The Tunnel Drainage Including Tunnel Gsa Will Be Renewed Or Expanded. The Overall Project Is Divided Into Early Construction Measures And Main Construction Measures (Hbm). This Tender Concerns The Main Construction Measures With Planned Implementation From 2027. The Hbm Essentially Include: - General Repair Of Both Tunnel Tubes Including Tunnel Extension Of The Eastern Tube - Renewal Of The Tunnel Drainage And Conversion To A Separation System - Adaptations Of The Pre-Portal Areas, Holding Bays And The Fire Water Supply - Demolition And New Construction Of Operational And Building Buildings - Superstructure Repairs On The Open Route - Repair, Partial Demolition Or Replacement Of Several Supporting Structures And Bridge Objects