Zimmerberg Base Tunnel 2 (ZBT2) - Expert Tunnel Safety (SV TuSi)

This tender seeks expert services for tunnel safety (Sachverstaendige Tunnelsicherheit, SV TuSi) for the Zimmerberg Base Tunnel 2 (ZBT2) project. Interested small businesses should consult the full tender documents to confirm who can bid and all submission requirements before taking part.

4 open tenders right now

• Rorschach: New Service Facility Stages 1 & 2 and 6th Platform Edge & Double Track Expansion - Cable Specialist Planner 19 Oct 2026 · 23 days left
• Switzerland - Architectural, engineering and technical design services - Rorschach: New service facility stages 1 and 2 and 6th platform edge and double track expansion - Cable specialist planner 19 Oct 2026 · 23 days left
• AS35: Double-track expansion Herrliberg-Feldmeilen - Meilen NT05 No deadline published

Recent awards

• Switzerland - Architecture, engineering and testing services - AS25 passing loop BehiG - client surveying

  awarded to DE_GEOINFO Vermessungen AG €1,227,760

• Schweiz - Bauarbeiten - Kradolf - Bischofszell Nord: Hang- und Trasseestabilisierung, FbE Gl. 304

  awarded to DE_Rhomberg Sersa Rail AG €3,397,744

• Schweiz - Bauarbeiten - AS35 Zürich Seebach, Kreuzungsgleis für Güterverkehr und Perronverlängerung, Fahrbahnarbeiten 2

  awarded to DE_Scheuchzer SA €1,936,520

Change history

Every time an official source republished this notice with different content. We watch every source we index, including regional copies of the same notice.

1. 26 Aug 2026 Read before bidding
   • Main CPV code: 71000000
   • Submission deadline: The deadline was removed from the notice.
   • Scope and criteria: The description was shortened. Re-read it before you bid.

Follow this tender and we email you the moment it changes. Create account

Market context

Buyer track record on Aperlena

37 notices tracked · 22 awarded

€49,143,361 in awarded contracts