Technical specifications

Project description

• Double-lane motorway tunnel Lot 5 „Sperring“ Tunnel
  L=2,894 m, enlargement to full crosssection,
  face/floor, A = 30– 60 m²,
  10 cross-passages
  2 breakdown bays
• Falkenstein tunnel L=752 m,
  A = 70– 80 m² 2 cross-passages,
• Lot 4 Klauser tunnel
  2,166 m of which 1,900m to be enlarged to full cross-section
  face/floor, A = 30– 60 m²
  L=160 m complete excavation A = 75– 85 m²,
  8 cross-passages, 2 breakdown bays,
• Traunfried Tunnel
  L=462m, A = 75– 85 m²
• 2 service buildings and water tank for firefighting purposes

Construction method
Drill and blast method and tunnel excavator

Geology 

• Firm to slightly weathered main dolomite
• tectonically strongly stressed limestone with all grades of weathering
• slightly weathered to bedded Wetterstein dolomite
• loose soil layers (unconsolidated colluvium)