EU-wide tender
Expansion of Untersontheim Wastewater Treatment Plant
Original title: Erweiterung Kläranlage Untersontheim
“Expansion of Untersontheim Wastewater Treatment Plant” is a eu-wide public tender in Baden-Württemberg. The deadline for offers is Thursday, 17 December 2026, in 46 days. Procedure: Open procedure, published EU-wide (above the EU thresholds).
- Deadline
- 17 December 2026, 46 days left, 10:00
- Published
- 23 October 2026
- Procedure
- Open procedure
- Notice
- EU-wide (TED)
- Type of contract
- Works
- Estimated value
- not published
- Place of performance
- Baden-Württemberg
- Source, last checked
- TED, 1 November 2026
Contracting authority and documents
Contracting authority only with access
Original notice (German)Tender documents on the procurement platformIn short
Construction work for the expansion of a wastewater treatment plant is being tendered.
- The scope includes construction work for Lot B1.
- Includes reinforced concrete construction of aeration and final sedimentation tanks as well as other structures.
- Includes pipeline construction with various materials and diameters.
- Additional work such as electrical and mechanical engineering will be tendered separately.
Summary made from the German notice and checked against it; the German original is authoritative.
What the notice sets
| Framework agreement | no |
|---|---|
| Tender validity | 57 days after the deadline |
| Award criteria | price only |
| Suitable for SMEs | not stated |
| Security deposit | required |
| Legal basis | GWB and VgV (German law implementing the EU directives) |
What stands out
Only the price decides the award. A security deposit is required. The notice links the tender documents directly.
Questions and answers
When is the deadline for offers?
Until Thursday, 17 December 2026, 46 days left. The exact time and how to submit are in the original notice, which is authoritative.
Where is the contract performed?
The place of performance is Baden-Württemberg.
Which rules apply?
German procurement law implementing the EU directives (GWB and VgV; for works VOB/A EU).
In which language are the documents and the offer?
Expect German. The accepted languages are stated in the notice, and certificates in another language may have to be submitted with a translation.
Is this tender open to foreign companies?
Yes. Because it is above the EU thresholds, the procedure follows the EU directives, which rule out discrimination by nationality. Suitability can first be shown with the European Single Procurement Document (ESPD).
Dates of this tender
| Published | Friday, 23 October 2026 |
|---|---|
| Deadline | Thursday, 17 December 2026, 10:00 |
| Tender validity ends (calculated) | Friday, 12 February 2027 |
| Start of performance | Monday, 5 April 2027 |
| End of performance | Friday, 30 November 2029 |
Service by CPV code
- 45000000 Construction work
- 45252100 Sewage-treatment plant construction work
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Sources
Notice: TED, Amtsblatt der Europäischen Union, retrieved 1 November 2026. All information without guarantee; the original notice is authoritative.