Flumenthal; Zentralgefängnis Kanton Solothurn (ZGSO) - Neubau / BKP 211 Baumeisterarbeiten

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Location: Canton SO
Procuring office: Kanton Solothurn, Bau- und Justizdepartement, Hochbauamt

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Awarded

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 16.12.20257 bids
- Implenia Schweiz AG, Glattpark (Opfikon)CHF 19’456’994.45 incl. VAT

Awards of this contracting authority

Justification

Das vorteilhafteste Angebot erhält den Zuschlag, gestützt auf die Bewertung der Zuschlagskriterien und der daraus resultierenden höchsten Punktzahl.

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.

This is how an AI summary is structured

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

Baumeisterarbeiten, Werkleitungen und Umgebung
Aushub, Sichtbeton und Weisse Wanne

Key facts, codes and options

Type of contract: Construction and installation
Type of construction: Building construction
Construction service: Execution
Procedure: Open procedure
Trades: BKP 131 – Barriers and enclosures
BKP 132 – Access roads and designated areas
BKP 135 – Temporary site services
BKP 137 – Temporary covers and enclosures
BKP 173 – Strutting
BKP 176 – Dewatering
BKP 201 – Basement excavation
BKP 211 – Builder's work
BKP 401 – Earth movement
BKP 411 – Builder's work
BKP 451 – Earthwork
BKP 452 – Drains and sewers
BKP 453 – Electrical services, building automation
BKP 454 – HVAC services
BKP 455 – Sanitary (water, gas etc.) services
BKP 461 – Earthwork and formation
BKP 463 – Pavement, trackbed, track and the like
BKP 464 – Drainage
BKP 465 – Utility mains and sewers
CPV: CPV 45000000 – Construction workCPV general: general code without a field
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.

Market data for this service

From awards published on simap.ch, without rankings and without rating companies.

Comparable awards

Main construction works, canton of Solothurn, last 12 months

15 awards, bids (median): 4.

Awards: Main construction works

Range of award prices

Main construction works, canton of Solothurn, last 12 months

CHF 587’74510 % of the prices were lower

CHF 2’110’058Median: half were lower

CHF 14’592’24310 % of the prices were higher

8 out of 10 award prices were between CHF 587’745 and CHF 14’592’243.

From 14 published award prices in CHF from 10.12.2025 to 24.09.2026, with or without VAT, as published. A single contract can differ widely.

Official source

Go to the official tender

simap project number: 23098
Publication number: 23098-02
Covered by international agreements: Yes

Checked against simap: 11.11.2026, 08:08

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More in the guide

Award, reasons and appeal

Contract awards in Solothurn: monthly reports

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