St. Moritz – Tirano, partial renewal of Puntaltatunnel, km 33.786 – km 33.832, civil engineering works
Official title in German: St. Moritz – Tirano, Teilerneuerung Puntaltatunnel, km 33.786 – km 33.832, Baumeisterarbeiten
Rhätische Bahn AG is renewing the 46 m Puntaltatunnel to replace its ageing structure and provide an 80 to 100-year service life for the tunnel structure and portals.
- Deliverables
- Works include profile widening, a waterproofed lining, concrete invert, drainage, cable ducts and track lowering.
- Contract
- A unit-price contract; the offer is in Swiss francs.
- Eligibility
- Required: EN ISO 9001 or equivalent, annual turnover of CHF 3.0 Mio. and comparable turnover of CHF 2.0 Mio.
- Watch out
- The offer remains binding for 12 months; late tunnel release costs CHF 3'600.- per started hour and event.
Documents for your bid
- 2151 - Submissionsunterlagen.zipTender documents · 148.7 MB
Key dates
- 23.10.2026Published on simap.ch
- 10.11.2026Questions round
- 11.01.2027, 23:59Submission deadlineDeadline in 76 days
- 15.01.2027, 10:00Bid opening
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Notice text
View on simap.ch
Unofficial reproduction. The German text below is taken unchanged from SIMAP notice no. 45228. Only the official notice is binding.
Der 46 m lange, einspurige Puntaltatunnel liegt auf dem Streckenabschnitt Cavaglia - Cadera der Rhätischen Bahn. Er soll nach der «Normalbauweise Tunnel Bernina/Arosa (NBW BA)» erneuert und für eine Nutzungsdauer von 80 bis 100 Jahren ausgelegt werden. Hauptmengen: Ausbruch / Profilaufweitung Fels: 420 m3 Sohlen-/Entwässerungsausbruch: 270 m3 Sohlenbeton: 105 m3 Ausbruchsicherung aus Spritzbeton 130 m3 Innenverkleidung aus Spritzbeton: 150 m3 Bewehrung: 10 to Kabelrohrblöcke (Ortbeton): 350 m1 Bergwasserabdichtung: 450 m2 Entwässerung / Sickerleitung: 300 m1 Natursteinarbeiten: 80 m2