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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
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Fish and crustacean monitoring
NL Hoogheemraadschap van Schieland en de Krimpenerwaard
COUNTRYNetherlands
SUBMISSION DEADLINE13.11.2026
PUBLISHED22.09.2026
INDUSTRYEnvironment, cleaning
SUBJECT OF THE CONTRACT
Monitoring of fish and river crayfish populations in the area managed by Hoogheemraadschap van Schieland en de Krimpenerwaard (HHSK) to assess the ecological status of water bodies in accordance with the Water Framework Directive. The contract is divided into two parts: crayfish monitoring and fish monitoring.
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This buyer in the last 12 months
Hoogheemraadschap van Schieland en de Krimpenerwaard: 11 notices.
Most frequent winners: ABOVO Media (1), Aannemingsmaatschappij van Gelder B.V. (1), Baan Bedrijfskleding B.V. (1).
Most frequent winners: ABOVO Media (1), Aannemingsmaatschappij van Gelder B.V. (1), Baan Bedrijfskleding B.V. (1).
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