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Documents to submit

✓Bid form — attachment no. 1
✓Declaration of non-exclusion
✓List of supplies from the last 3 years
✓Liability insurance — min. 120 000 €
✓Proof of bid bond payment
✓Power of attorney, if signed by an agent

AI warnings from documentation

❗Bid bond 3 500 € — payment before submission deadline
⚠Required 2 references after min. 90 000 €
⚠Completion deadline 30 days from signing
⚠Mandatory site visit — rejection if missed
✓No ISO certificate requirement

Budget and competition

3median number of bids

24%tenders with one bid

✓Amount from bid opening for this buyer
✓Who won there before and for how much
✓Suggested price range based on data

Analysis example — specific values depend on the proceeding

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Germany – Architectural, construction, engineering and inspection services – BLB NRW / NL Dortmund / Hochschule Bochum (WE2191) / Replacement building component A / General planning / 010-26-00287

TED Bau- und Liegenschaftsbetrieb NRW Dortmund

COUNTRYGermany

SUBMISSION DEADLINE05.10.2026

PUBLISHED03.09.2026

INDUSTRYArchitectural, engineering services

SUBJECT OF THE CONTRACT

Requirements regarding references for the general building designer (min. 3) and the technical installations designer (min. 2) in the period 01.09.2021–31.08.2026. Required experience includes, among others, facilities with a difficulty level of at least fee zone IV, construction costs KG 300+400 > 5 million euros, and BNB/DGNB certification.

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In this sector (Architectural, engineering services) bids can still be submitted in 587 procedures — deadlines within 14 days.

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This buyer in the last 12 months

Bau- und Liegenschaftsbetrieb NRW Dortmund: 150 notices.
Most frequent winners: Ingenieurbüro Becker und Henze GmbH (3), Ingenieurbüro Jäger Sauer Nolte GbR (3), Ingenieurbüro Krefft GmbH & Co. KG (3).

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