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Create a free account on Auftrag One. You will then see all documents, deadlines and submission notes in a structured workflow.

What is the submission deadline?

The submission deadline is 24. April 2026.

Who is the contracting authority?

The contracting authority is Office fédéral des routes OFROU, Division Infrastructure routière Ouest, Filiale Estavayer-le-Lac.

Which documents are needed to get started?

Typically you need the service description, proof of eligibility, deadline notes and possibly form sheets. On Auftrag One these items are displayed in prioritized order.

Auftrag One

Content at a glance

Ausschreibung für Umweltingenieurleistungen (UVP) Phase Detailprojekt und Umweltbaubegleitung (UBB) für die Nordumfahrung Twann (Douanne) in Form eines Tunnels (Twanntunnel), der an den bestehenden Ligerztunnel anschließt. Projekt umfasst 1'925 m neuen Untertagtunnel mit komplexer Etappierung unter Verkehr. Auftrag beinhaltet UVP für S...

Tender type:: Tender
Contracting authority:: Office fédéral des routes OFROU, Division Infrastructure routière Ouest, Filiale Estavayer-le-Lac
Published:: March 08, 2026
Deadline:: April 24, 2026
Topic:: Environmental Assessment

Tender description

Ausschreibung für Umweltingenieurleistungen (UVP) Phase Detailprojekt und Umweltbaubegleitung (UBB) für die Nordumfahrung Twann (Douanne) in Form eines Tunnels (Twanntunnel), der an den bestehenden Ligerztunnel anschließt. Projekt umfasst 1'925 m neuen Untertagtunnel mit komplexer Etappierung unter Verkehr. Auftrag beinhaltet UVP für SIA-Phase 33 und UBB für SIA-Phasen 41, 51, 52, 53 nach SIA 103 und spezifischen Richtlinien.

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Documents and attachments

49 files recorded

PDF Notice (BUL)
PDF Notice (SPA)
PDF Notice (CES)
PDF Notice (DAN)
PDF Notice (DEU)
PDF Notice (EST)

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Frequently asked questions about this tender

How can I apply for this tender?: Create a free account on Auftrag One. You will then see all documents, deadlines and submission notes in a structured workflow.
What is the submission deadline?: The submission deadline is 24. April 2026.
Who is the contracting authority?: The contracting authority is Office fédéral des routes OFROU, Division Infrastructure routière Ouest, Filiale Estavayer-le-Lac.
Which documents are needed to get started?: Typically you need the service description, proof of eligibility, deadline notes and possibly form sheets. On Auftrag One these items are displayed in prioritized order.

N05.70 MP-080012 - Tun.Twann-Ligerz - Prestations de mandataire Environnement (RIE + SER) (ID 11751)