• Project location: Koraple, Styria - Carinthia, Austria​

• Client: ÖBB-Infrastruktur Bau AG, Austria

• Type: Single-track monorail tunnel (mixed traffic),
  2 tubes 

• Building volume: 350 million (IMM planning area)

• Length: approx. 2 x 32.8 km​

• Diameter: DN 9.90 m, segment 9.50 m​

• Overlap: between approx. 5 m and 1250 m

• ​Machine type: EPB shield (open/closed-mode) convertible to hard stone​

• Processing time: 2006 - 2022 (construction lot KAT 3)​

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Areas of responsibility​

Shield tunnelling Carinthia, L = 11.16 km (KAT 3) Mitterpichling open construction method (OBW Mi):

• Planning of the construction method, the shield run and segment lining / inner shell for the shield section
• Advice on awarding contracts
• Tender planning for the tunnel structures (machine excavation and OBW Mi), corresponds to: HOAI object planning Lph: 1, 2, 3, 4 and 6, 7 HOAI / structural planning Lph: 2, 3, 4, 5 and 6
• Execution planning for the tunnel structures (machine excavation and OBW Mi), corresponds to: HOAI object planning Lph: 5, HOAI structural planning Lph: 4, 5
• Construction supervision Mechanical engineering consulting
• Process controlling
• Geotechnical construction supervision for shield driving

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