EU-wide tender · Engineering and planning services
Renovation of Digester 1 at the Hildesheim Wastewater Treatment Plant; Civil Engineering Structures + Technical Equipment Engineering Services
Original title: Sanierung Faulbehälter 1 auf der Kläranlage Hildesheim; Ingenieurbauwerke + Technische Ausrüstung Ingenieurleistungen
Wanted: Engineering services in Hildesheim, Lower Saxony. The tender is called “Renovation of Digester 1 at the Hildesheim Wastewater Treatment Plant; Civil Engineering Structures + Technical Equipment Engineering Services”. Offers are due by Monday, 9 November 2026, in 8 days. Procedure: Open procedure, published EU-wide (above the EU thresholds).
- Deadline
- 9 November 2026, 8 days left, 10:00
- Published
- 12 October 2026
- Procedure
- Open procedure
- Notice
- EU-wide (TED)
- Type of contract
- Services
- Estimated value
- not published
- Place of performance
- Hildesheim, Lower Saxony
- 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
Engineering services for the renovation of a digester at a wastewater treatment plant in Hildesheim are being procured.
- Services include civil engineering structures and technical equipment.
- The award will be made in two separate lots.
- This is an engineering contract for all service phases.
- The contract is structured as a phased contract with an option right.
- The tank volume is approximately 4500 cubic meters.
Summary made from the German notice and checked against it; the German original is authoritative.
Contract and procedure
| Framework agreement | no |
|---|---|
| Tender validity | 35 days after the deadline |
| Award criteria | price and quality |
| Suitable for SMEs | yes, according to the notice |
| Legal basis | GWB and VgV (German law implementing the EU directives) |
Worth knowing before you bid
The notice links the tender documents directly. The notice marks it as suitable for small and medium sized companies. The award weighs price and quality.
Questions and answers
How much time is left to bid?
Until Monday, 9 November 2026, 8 days left. The exact time and how to submit are in the original notice, which is authoritative.
Can a company from another EU country bid?
Yes. This tender is published EU-wide, and above the EU thresholds the EU directives guarantee companies from every member state equal treatment. You submit on the platform named in the notice after registering there.
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?
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 Hildesheim, Lower Saxony.
Deadlines and dates
| Published | Monday, 12 October 2026 |
|---|---|
| Deadline | Monday, 9 November 2026, 10:00 |
| Tender validity ends (calculated) | Monday, 14 December 2026 |
| Start of performance | Monday, 11 January 2027 |
| End of performance | Friday, 28 December 2029 |
Service by CPV code
- 71300000 Engineering services
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Sources
Notice: TED, Amtsblatt der Europäischen Union, retrieved 1 November 2026. All information without guarantee; the original notice is authoritative.