Technical specifications

Scope of work

  • Length: 2 x 1.1 km, excavated cross-section: 39 m² - 44 m²
  • 2 station tubes, excavated cross-section: 65 m²
  • Access and supply shafts

Construction method

  • Tunnel excavator:
    advance under the protection of jet-grouted canopies
    and jet-grouted bulkheads
  • Dewatering:
    270 wells up to a depth of 40 m
    electronic monitoring and control system,
    maximum output 285 l/s,
    total output 25 million cubic metres of ground water


  •  Tertiary silts and sands
  • Groundwater



General data

Metro line 2, Section 2, Taborstrasse

Wiener Linien GmbH & Co KG

Wayss & Freytag Ingenieurbau AG
in a joint venture

Construction period
2002 to 2007

Construction costs
€ 110 million

Metro tunnel
2 * 1.1 km
Construction Method
Tunnel excavator
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