Arge Tunnel Henndorf (Wayss & Freytag – Held & Francke – Habau)

Specifications::
The construction measure essentially comprises the construction work to produce the road tunnel and the accompanying road construction work. The building measure includes the excavation of the tunnel, the crossways up to approx. 12m before the escape gallery (incl. the complete interior work, also at the escape gallery), the producing of the ventilation shaft, the open cut construction at the north and south and the producing of the secondary structures.  

The secondary structures include:

  • Collecting basin at node L241
  • Collecting basin for road water at the low point of the tunnel in the area of open cut construction north
  • Water protection incl. feed pipe and discharge at the north node
  • Deep drilling (approx. 40m) for extinguishing water feed to the pump niche
  • Pump niche for pressure-increasing system for the extinguishing water supply at the accessible crossway
  • Extinguishing water system
  • Surface constructions at the rescue shafts
  • Operating stations North and South
  • Operating centre
  • Demolition of a house
  • Production of all necessary sewers 

Brief Description
Total Contract Section Length:  3.580 m
Total Tunnel Length:  2.150 m
Tunnel Open Cut: 710 m
Tunnel Mined Construction: 1.440 m
Earthwork/Road Construction + Ramps: 1.430 m
Preliminary Cutting South + North Open Cut: 710 m  

Scope of Work
Concrete: approx. 90.000 m³ (incl. sprayed concrete)
Structural Steel:  approx. 1.800 to
Excavation: approx. 300.000 m³ (incl. tunnel excavation)  

Client
Office of the Salzburg Regional Government; Dept. 6/2 - Road Construction
Mr HR DI Andorfer; Mr DI Dr. Hittenberger Roland
Mr Walter Vlasak  

Contractor
ARGE Tunnel Henndorf
Wayss Freytag
Held & Francke Baugesellschaft m.b.H. & Co KG
HABAU Hoch- u. Tiefbaugesellschaft mbH  

Planning
Spirk & Partner; Geoconsult  

Contract Price
approx. € 32,8 Mio. net  

Construction Time
05/2006 – 06/2009  

Site Manager Tunnel, Mined: Dipl. Ing. Tobias Mayer (Wayss & Freytag)
Deputy Site Manager Tunnel, Mined: Dipl. Ing. Oliver Glück (HABAU)
Site Manager Open Cut & Earthwork: Dipl. Ing. Werner Pfeiffer (Held & Francke)

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