Qualification System for Expert Water Management, Water Treatment and Pre-treatment Facilities including Monitoring Activities for the Expansion of the Hamburg U-Bahn and S-Bahn Network [bq]
Qualifizierungssystem Sachverständiger Wasserhaltung, Wasseraufbereitungs- und Vorbehandlungsanlagen inkl. Überwachungstätigkeiten für die Erweiterung des Hamburger U-Bahn und Schnellbahn-Netzes
Germany · Hamburg · how to bid here →
Your path to submission
- Deadline: 22 June 2030 at 12:00 — 1354 days left.
- You submit on Vergabemarktplatz (cosinex) — not here and not by e-mail. ↗ Free bidder account on the cosinex platform required (created instantly); offers go through the bidding tool, usually plain text form suffices — no qualified signature. Sort out account and signature first — not on submission day.
- Collect your evidence — use the eligibility analysis above: it lists the requirements and, for known certificates, how to get them.
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 3 months (368 awards, most recently September 2026) — the next award is due around December 2026 by that rhythm. The last award went to Tiedemann, Wenck & Brand Ingenieur- und Vermessungsbüro GmbH.n = 368
- 18% of this buyer's awards went to companies that had already won here before (636 awards since 2017, spread over 517 companies). That is well below the sector norm (44%) — this buyer switches suppliers more often than others.n = 636 awards since 2017
- 16% of the bids received came from other countries (6 procedures with a bid mix) — all bidders, not just the winners. Sector: 3%.n = 6
- The median procedure drew 3 bids (513 procedures with a bid count); 26% ended with a single bidder. Sector: median 3 bids.n = 513
- Across 16 procedures with structured selection criteria, this buyer most often required: Professional liability insurance (13 of 16), References: works (12 of 16), Trade register enrolment (12 of 16), Minimum annual headcount (11 of 16).n = 16
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 04/10/2026.
Foreign bidders
In Germany · Architecture & engineering, 401 contracts went to foreign companies over the last 3 years (of 110,078 recorded awards) — mostly from Austria, Switzerland, Poland.
Typical field: median 4 (from 353 awards).
What the buyer is looking for
This notice is a call for competition for consultancy and monitoring services relating to the implementation of water management works (wells, groundwater measuring points), water treatment (water treatment plants and pressure pipes) and pre-treatment (preparation of sub-construction water flows). Water retention is mainly carried out in waterproof trough pits with a natural or artificial sealing sole. Furthermore, the inspection of the Detail Engineerings water treatment plants including water management and pressure water pipes , the planning and monitoring of pump tests, the inspection of the excavation walls for leaks, the monitoring of water sampling, the examination of the specification-compliant execution of the plants and pipes, operational acceptances, the control of the proper operation of the plant, the documentation and communication (regular sighting and evaluation of…
Show full description
… measurement and analysis results, annual reports) with the approval authority (BUKEA, district offices) in accordance with the water law permits and the planning approval decision is part of the service. Drafting of opinions on trade union-specific issues/problems. If necessary, trade-specific supplements must be checked and evaluated. If necessary, monitoring services with regard to
Eligibility analysis from the tender documents
Contract
Who has won here before
| Company | Awards | Period |
|---|---|---|
| Jürgen Martens GmbH & Co. KG | 14 | 2016–2026 |
| BDO AG Wirtschaftsprüfungsgesellschaft · Hamburg | 6 | 2025–2026 |
| Umbrella City Lines GmbH · Hamburg | 6 | 2023–2024 |
| Bechtle GmbH | 6 | 2024–2026 |
| Heinrich Carstens GmbH · Rotenburg | 5 | 2019–2025 |
How often this buyer tenders this
Who knows the rhythm prepares instead of reacting.
How to bid
Guide: how to apply on cosinex Vergabemarktplatz / DTVP → Registration, signature, fees — from the operator's bidder manual.