National tender (below the EU thresholds)
KW Ohligs, Renewal of the Aeration of Activated Sludge Group 1, MTA
Original title: KW Ohligs, Erneuerung der Belüftung der Belebungsgruppe 1, MTA
National public tender in Germany: “KW Ohligs, Renewal of the Aeration of Activated Sludge Group 1, MTA” in Solingen, North Rhine-Westphalia. The deadline for offers is Thursday, 17 December 2026, in 44 days.
- Deadline
- 17 December 2026, 44 days left, 15:00
- Published
- 2 November 2026
- Procedure
- not stated
- Notice
- National
- Type of contract
- Works
- Estimated value
- not published
- Place of performance
- Solingen, North Rhine-Westphalia
- Source, last checked
- oeffentlichevergabe.de, 3 November 2026
Contracting authority and documents
Contracting authority only with access
Original notice (German)Tender documents on the procurement platformIn short
Renewal of the aeration for an activated sludge group at a wastewater treatment plant.
- Scope includes process and mechanical engineering.
- Subject is the aeration of activated sludge group 1.
- Location is the Ohligs wastewater treatment plant.
Summary made from the German notice and checked against it; the German original is authoritative.
Dates of this tender
| Published | Monday, 2 November 2026 |
|---|---|
| Deadline | Thursday, 17 December 2026, 15:00 |
| Opening of offers | Thursday, 17 December 2026, 15:00 |
| Tender validity ends (calculated) | Monday, 15 February 2027 |
| Start of performance | Monday, 18 January 2027 |
| End of performance | Friday, 31 March 2028 |
What the notice sets
| Tender validity | 2 months after the deadline |
|---|---|
| Suitable for SMEs | not stated |
| Security deposit | not required |
| Legal basis | German national rules |
Service by CPV code
- 42996000 Machinery for the treatment of sewage
- 44115100 Ducting
- 45251143 Compressed-air generating plant construction work
Questions and answers
How much time is left to bid?
Until Thursday, 17 December 2026, 44 days left. The exact time and how to submit are in the original notice, which is authoritative.
In which language are the documents and the offer?
Usually German. The notice states the accepted languages; translations of supporting documents may be requested.
Where is the contract performed?
The place of performance is Solingen, North Rhine-Westphalia.
Which rules apply?
German national procurement rules below the EU thresholds (VOB/A, UVgO or VOL/A) and the state procurement law.
Can a company from another EU country bid?
Yes. German procurement does not restrict national procedures to German companies. Below the EU thresholds the notice and the platform are usually German only, so plan for German documents and a German offer.
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Sources
Notice: Bekanntmachungsservice des Bundes (oeffentlichevergabe.de), retrieved 3 November 2026. All information without guarantee; the original notice is authoritative.