The Aperlena Verdict
Open raceNo supplier dominates: 6 different companies have won the last 6 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 6 comparable awards by this buyer in this sector over 5 years. Every verdict is recorded before the outcome and graded against the award notice. How we score ourselves.
Summary
Machine-generated summaryThe Stadtentwaesserungsbetriebe Koeln AoeR (StEB) in Cologne, Germany, are planning the new construction of the process air supply at the Stammheim wastewater treatment plant, which treats wastewater from about 1.3 million residents. The project renews the air supply for the low-load tanks 7 - 14, which treat roughly 75 percent of the wastewater, with a required air volume of about 120,000 Nm3/h after expansion. Tendered is Lot 1: object planning for engineering structures, HOAI section 41, service phases 3 - 9, including technical building services AG 4, 7, 8, HOAI section 53, phases 3 - 9. Chargeable costs by cost groups total about 11.6 million Euro net. Assignment is stepwise: first phases 3 - 4, then phases 5 - 9. The tender notice states no deadline.
Description
Official source
Source: TED - Tenders Electronic Daily (Publications Office of the EU)
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Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 1 month ago
More from this buyer
Full buyer profile15 open tenders right now
- Delivery of a truck with suction and flushing unit for sewer cleaning 8 days left
- Construction work for water treatment, cleaning and waste incineration plants - GKW Stammheim, renewal of sludge dewatering 12 days left
- Engineering office services - RR Worringen - Environmental construction supervision 13 days left
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| Hitzler Ingenieure GmbH & Co.KG; HÖCKER Project Managers GmbH | 1 | €2.2M | Jul 2026 |
| ATEMIS GmbH; TUTTAHS & MEYER Ingenieurgesellschaft mbH | 1 | €1.4M | Aug 2026 |
| Björnsen Beratende Ingenieure GmbH; Krebs+Kiefer Ingenieure GmbH | 1 | €926,022 | Jun 2026 |
| GKE Consult International GmbH | 1 | €462,516 | Aug 2026 |
| Björnsen Beratende Ingenieure; FISCHER TEAMPLAN Ingenieurbüro GmbH | 1 | €226,012 | Mar 2026 |
Based on 6 awards with a linked company profile over the last 5 years.
What this buyer has paid before
Based on 6 comparable contracts this buyer awarded in this sector over the last 4 years.
- Lower quartile
- €285,138
- Median award
- €694,269
- Upper quartile
- €1.3M
Most recent awards
- Dienstleistungen von Architektur-, Konstruktions- und Ingenieurbüros und Prüfstellen - Planungsleistungen Anlagenoptimierung: Zulauf Mechanik, Fäkalannahmestation, Trübwasserleitungen, AKW Weiden €462,516
- Dienstleistungen von Architektur-, Konstruktions- und Ingenieurbüros und Prüfstellen - Ingenieurleistungen „AKW Eigenenergieversorgung" €1,359,159
- Engineering office services - Project management - Retention area Worringen €2,184,188
- Dienstleistungen von Architektur-, Konstruktions- und Ingenieurbüros und Prüfstellen - Ein- und Auslass-Bauwerk - Ingenieurleistungen nach HOAI €926,022
- Dienstleistungen von Architektur- und Ingenieurbüros sowie planungsbezogene Leistungen - Sanierung HRB Selbach - Ingenieurleistungen nach §43, 51 und 53 HOAI €226,012
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
Change history
Every time an official source republished this notice with different content. We watch every source we index, including regional copies of the same notice.
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- Scope and criteria: The description was expanded. Re-read it before you bid.
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Similar tenders
1
day left
€840,336
est. value
Market context
- Avg. open tender · Architecture & engineering services
- €9,614,806
- Buyer track record on Aperlena
- 56 notices tracked · 18 awarded
- €10,053,242 in awarded contracts
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