N4 Neue Axenstrasse, Baulos 404: Entwässerungsstollen Ingenbohl, Nachträge 01 und 02

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Location: Canton SZ
Procuring office: Kantone Schwyz und Uri, Projektleitung Bauherrengemeinschaft N4 Neue Axenstrasse, vertreten durch das Baudepartement des Kantons Schwyz

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Awarded directly

According to the simap publication. Values that are not given are deliberately missing here.

Awarded to

As published on simap.ch: winner and price (with or without VAT, as stated).

Award of 04.12.2025Direct award
- Implenia AG, Glattpark (Opfikon)CHF 1’007’103.90 incl. VAT

Awards of this contracting authority

Justification

Gemäss Interkantonaler Vereinbarung über das öffentliche Beschaffungswesen (IVöB) vom 15.11.2019 kann die Bauherrschaft (Auftraggeber) einen Auftrag unabhängig vom Schwellenwert im freihändigen Verfahren vergeben. Für den vorliegenden Nachtrag sind die Voraussetzungen gemäss IVöB Art. 21 Abs. 2 Bst. e erfüllt (Nachtrag, Wechsel des Anbieters aus technischen Gründen nicht möglich).

AI summary

Pro

With Pro, an AI summarises this tender: services, requirements, conditions, dates and award criteria, with key figures, a timeline and the weighting, each with the literal quote from the publication.

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In brief
Services
Requirements
Conditions
Dates
Award criteria

An example of the structure without content: no summary is stored for this tender yet.

What is being procured?

Scope of work

Nachtrag 01 (CHF 555'015.45): Schutznetze Voreinschnitt, Trennschicht Bodenzwischenlager, Entsorgung Aushubmaterial Typ B, Errichten Ausweichstelle Schönenbuchstrasse, Auflad Mositunnel, Tümpel Lehmmulde, Vorschächte Trafostation, Aushub Nasszuschlag Material Typ A, Wechsel HEB 160 auf HEB 140

Nachtrag 02 (CHF: 452'088.45): Div. Kostenfolge aufgrund fehlender Positionen und Mehrausmasse.

Key facts, codes and options

Type of contract: Construction and installation
Type of construction: Civil engineering
Construction service: Execution
Trades: Not evident from the available publication data.
CPV: CPV 45221240 – Construction work for tunnels
Options: Not evident from the available publication data.
Variants: Not evident from the available publication data.
Partial offers: Not evident from the available publication data.

TEXFY assessment: Products, installations, quantities, technical specifications and exclusions are not structured fields of the publication. TEXFY does not analyse the free text on them: check the original text and the tender documents.

Official source

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simap project number: 29629
Publication number: 29629-01
Covered by international agreements: Yes

Checked against simap: 11.11.2026, 08:08

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