WTW Hallau - Additional stage for elimination of micropollutants

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Location: Canton SH
Procuring office: Abwasserverband Klettgau

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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 02.09.20263 bids
- Kuster + Hager Ingenieurbüro AG St. Gallen, St. GallenCHF 1’901’702.95 incl. VAT

Awards of this contracting authority

Justification

Vorteilhaftestes Angebot (Beste Erfüllung der Zuschlagskriterien)

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

Gegenstand der vorliegenden Ausschreibung ist die Planung und Realisierung des Projekts Erweiterung ARA Hallau mit einer EMV-Stufe als Generalplaner (inkl. Statik, Bautechnik, Architektur, Verfahrenstechnik, EMSRL und HLKS). Der Beauftragte übernimmt auch die Gesamtleitung für phasenübergreifende Leistungen gemäss Art. 3.4 SIA Ordnung 103.

Eine detailliertere Beschreibung befindet sich in den Submissionsunterlagen beigelegt.

Key facts, codes and options

Type of contract: Service
Procedure: Open procedure
Trades: Not evident from the available publication data.
CPV: CPV 71000000 – Architectural, construction, engineering and inspection services
CPV 39350000 – Sewerage works equipment
CPV 45232421 – Sewage treatment works
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

Wastewater treatment plants, all of Switzerland, last 12 months

194 awards, bids (median): 3.

Awards: Wastewater treatment plants

Range of award prices

Wastewater treatment plants, all of Switzerland, last 12 months

CHF 207’05110 % of the prices were lower

CHF 681’396Median: half were lower

CHF 5’676’86310 % of the prices were higher

8 out of 10 award prices were between CHF 207’051 and CHF 5’676’863.

From 178 published award prices in CHF from 13.11.2025 to 02.11.2026, with or without VAT, as published. A single contract can differ widely.

Official source

Go to the official tender

simap project number: 35132
Publication number: 35132-02
Covered by international agreements: Yes

Checked against simap: 10.11.2026, 18:02

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More in the guide

Award, reasons and appeal

Contract awards in Schaffhausen: monthly reports

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