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Steel frame doors house 1B and 3
Stahlrahmentüren Haus 1B und 3 — original title
Your path to submission
- Deadline: 11 November at 12:00 — 10 days left.
- The submission point is stated in the notice (link on this page).
- Offer and evidence in: German.
- Collect your evidence — use the eligibility analysis on this page: it lists the requirements and, for known certificates, how to get them.
What the buyer is looking for
The Dortmund Chamber of Crafts intends to build, rebuild and expand its educational establishment. The overall construction includes the new building of house 3 and the extension of house 1 as well as the associated outdoor facilities. This list of services includes the metal construction work (windows, doors, post-bar facades and sun protection) on house 1b and house 3. · The list of services includes the steel frame doors for house 1b and 3. House 3: 24 St door systems (some with sound insulation) 1 St smoke protection door 17 St fire doors T30/T90-RS 1 St fixed glazing F90 house 1b: 1 St door system 7 St fixed glazing (versch. sizes)
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 2 months (40 awards, most recently September 2026) — the next award is due around November 2026 by that rhythm. The last award went to Fliesen u Naturstein von Hatzfeld.n = 40
- 33% of the bids received came from small and medium-sized enterprises (7 procedures with a bid mix). Sector: 87%.n = 7
- 45% of this buyer's awards went to companies that had already won here before (56 awards since 2022, spread over 27 companies). 55% went to new names.n = 56 awards since 2022
- The median procedure drew 3 bids (56 procedures with a bid count); 21% ended with a single bidder. Sector: median 4 bids.n = 56
- Across 19 procedures with structured selection criteria, this buyer most often required: Quality management (1 of 19), References: works (1 of 19).n = 19
From this buyer's documented awards; comparison values from the same sector and country. Not a forecast, not legal advice. As of 01/11/2026.
What you must prove — eligibility criteria
Angaben und Formalitäten, die erforderlich sind, um die Einhaltung der Auflagen zu überprüfen: Die Eignung ist durch Eintragung in die Liste des Vereins für Präqualifikation von Bauunternehmen e.V. (Präqualifikationsverzeichnis) oder Eigenerklärung gem. Formbl… read in fullcollapse
Tender documents — direct download
Who has won at this buyer so far
Across all contract types of this buyer — not just this sector. A city buys software and fire engines through the same purchasing office.
| Company | Awards | Period |
|---|---|---|
| Leniger Sanitär- Heizungstechnik GmbH · Paderborn | 4 | 2026 |
| Rundholz GmbH & Co.KG · Dortmund | 4 | 2026 |
| Helmut Reiter GmbH · Gera | 3 | 2025 |
| Steckerfertig GmbH | 3 | 2025 |
| MK Haustechnik GmbH · Kulmbach | 3 | 2026 |
How often this buyer tenders this kind of work
Contracting authority contact
Tactics
When this buyer has awarded in this sector, usually 5 or more bids came in. Many compete here — price and references decide. (Based on 41 completed awards — not a statement about this procedure.)
This procedure allows 30 days between publication and deadline — typical in this country is 32 (median of 20,496 procedures). A normal window for this market.
Foreign bidders
In Germany · Construction work, 687 contracts went to foreign companies over the last 3 years (of 244,229 recorded awards) — mostly from Austria, France, Poland.
Submission language: German.
How to bid
Guide: how to apply on cosinex Vergabemarktplatz / DTVP → Registration, signature, fees — from the operator's bidder manual.
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