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Hygiene inspection of HVAC systems and hygiene (first) inspection of SEK-RLT devices according to VDI 6022
Hygieneinspektion der RLT-Anlagen und Hygiene (Erst)inspektion von SEK-RLT-Geräte gemäß VDI 6022 — original title
Your path to submission
- Deadline: 20 November at 10:00 — 19 days left.
- You submit on evergabe.NRW — 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 — the eligibility requirements are listed on this page; for many of them the analysis explains how to obtain them.
What the buyer is looking for
The regular hygiene (initial) inspection of the HVAC systems and secondary air units in accordance with VDI 6022 takes place at Bielefeld University of Applied Sciences (HSBI) at the Interaction 1 site in 33619 Bielefeld. The HSBI building consists of 11 lecture halls, 200 seminar rooms, laboratory rooms, workshops, library, cafeteria and offices for teachers and administration. The building has an underground car park with 950 parking spaces. The building is a special building according to §54 BauO NRW and a building with an empty height according to §2(3) BauO NRW. The building contains a meeting place according to §1SBauVO, maximum building dimensions 201 x 127 m. The building consists of three underground floors and six above-ground floors and has a total usable area of 84,864 sqm.
Contract
Type of service
Clement What the numbers say about this buyer
- In this sector the buyer awards roughly every 9 months (6 awards, most recently May 2026) — the next award is due around February 2027 by that rhythm. The last award went to Zimmer + Hälbig GmbH.n = 6
- 63% of this buyer's awards went to companies that had already won here before (47 awards since 2024, spread over 18 companies). That is well above the sector norm (45%) — newcomers have a harder time here than elsewhere.n = 47 awards since 2024
- The median procedure drew 3 bids (47 procedures with a bid count); 38% ended with a single bidder. Sector: median 3 bids.n = 47
- 76% of the bids received came from small and medium-sized enterprises (15 procedures with a bid mix). Sector: 91%.n = 15
- From notice to award takes a median 64 days here (16 procedures). Sector: 123 days.n = 16
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.
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 |
|---|---|---|
| Zimmer + Hälbig GmbH · Bielefeld | 7 | 2025–2026 |
| IHK-Exportakademie GmbH · Stuttgart | 3 | 2025 |
| Hartmann, Mathias und Partner | 3 | 2025 |
| RWS GmbH · Enger | 3 | 2025 |
| EWAS-Institut · Hannover | 3 | 2025 |
How often this buyer tenders this kind of work
Contracting authority contact
Tactics
When this buyer has awarded in this sector, usually only one or two bids came in. A solid bid has a real chance here. (Based on 7 completed awards — not a statement about this procedure.)
This procedure allows 21 days between publication and deadline — typical in this country is 32 (median of 20,496 procedures). Much tighter than usual: the first week counts.
Foreign bidders
In Germany · Architecture & engineering, 404 contracts went to foreign companies over the last 3 years (of 111,169 recorded awards) — mostly from Austria, Switzerland, Poland.
How to bid
Guide: how to apply on cosinex Vergabemarktplatz / DTVP → Registration, signature, fees — from the operator's bidder manual.
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