OpenWorksEuropeanOpen
Prior information notice for the realization of the additional treatment step and the low-voltage installation at RWZI Uithoorn
Stichting Waternet · Open · 1 lots · 417143
4
4 of 6 core insights found
Measures presence, not accuracy · documents remain authoritative
ScopeAdvicePoints of attentionSuitability requirementsAward criteriaTimeline
Type
Works
45000000 · Building works
Estimated value
€ 5,00M
estimated
To deadline
93d
Sep 16, 2026 · 12:00
Knock-outs
n/a
exclusion grounds
Award basis
Best price-quality ratio
Assess manuallyconfidence moderate
This concerns an EU procurement for the realization of an additional treatment step and the replacement of the low-voltage installation at RWZI Uithoorn.
Works · Open · European procedure
European
CharacteristicsCPV 45WorksEU tender
01What is being requested
Realization of an additional treatment step and the replacement of the complete low-voltage installation at the RWZI Uithoorn via two sub-lots.
AGV is preparing an EU procurement concerning the main contract, which consists of two separate sub-lots for the operational sewage treatment plant (RWZI) Uithoorn. Industrieweg 16, 1422 AJ Uithoorn. The works of the two relevant sub-lots form part of the realization of an additional treatment step and the replacement of the complete low-voltage installation (LSI). The purpose of the additional treatment step is the removal of micro-pollutants and achieving advanced phosphorus removal.
1Prior information notice for the realization of the additional treatment step and the low-voltage installation at RWZI Uithoorn€5,000,000
02Strategic insight
Strategic insight · AI analysis
Prepare for a shortened tender period due to the application of article 2.72 Aw 2012. Ensure that you do not miss the site visit during the official publication to inspect the location. Take into account the necessity for uninterrupted operations of the treatment plant.
03Points of attention
Important · 4
The RWZI must continue to function without interruption during the realization.Important
The two sub-lots form one indivisible contract.Important
The switching schedule must be coordinated with management in advance.Important
Demolition works are not part of the main contract works.Important
04Exclusion grounds
Exclusion grounds — consult the ESPD
- No specific exclusion grounds were extracted. In a European tender, the mandatory and discretionary grounds of art. 2.86/2.87 of the Dutch Procurement Act almost always apply — check the European Single Procurement Document (ESPD).
05Value in context
€5,000,000
06Likely competitors
#Likely bidderFitWins
1KWS Infra B.V.SME10092×
2BAM Infra B.V.SME10077×
3Van Gelder BVSME10053×
4ENGIE Infra & Mobility B.V.SME10069×
5Den Ouden Aannemingsbedrijf B.V.SME10023×
6Heijmans Infra B.V.SME9966×
07Tender documents
Niet gebruikt.pdfpdfMar 25, 2026 · 18 KB
Beschrijving.pdfpdfMar 25, 2026 · 26 KB
Vooraankondiging hoofdopdracht RWZI Uihoorn versie 1.0.pdfpdfMar 25, 2026 · 237 KB
Inschrijvingsfase.pdfpdfMar 25, 2026 · 26 KB
Aanbestedingsstukken.pdfpdfMar 25, 2026 · 18 KB
Niet gebruikt.pdfpdfMar 25, 2026 · 17 KB
08Legal themes that may be relevant here
Advies 63> Meervoudig onderhandse aanbesteding voor het reinigen van wegen, straten en pleinen. Kan bij gunning op laagste prijs de indieniAdvies 53> Europese openbare procedure voor een overheidsopdracht tot het verrichten van diensten bestaande uit (dagelijks en periodiek) scAdvies 451> Beklaagden hebben op 29 mei 2017 een Europese openbare aanbestedingsprocedure aangekondigd voor een raamovereenkomst per perceelAdvies 295> Meervoudig onderhandse procedure voor tijdelijke vergroting van de slibontwateringscapaciteit van een rioolwaterzuiveringsinstalAdvies 48> Europese niet-openbare procedure voor werktuigkundige en elektrotechnische installaties van de nieuwbouw van een multifunctionel
09Frequently asked questions
What is the content of the two sub-lots?
Sub-lot 1 concerns the realization of an additional treatment step, including a GAK Filter, pumping station, and dosing installations. Sub-lot 2 comprises the replacement of the complete low-voltage installation (LSI).
What is the purpose of the additional treatment step?
The purpose of the additional treatment step is the removal of micro-pollutants and achieving advanced phosphorus removal.
What requirements are imposed on the continuity of the RWZI during the works?
During the realization of the main contract, the sewage treatment plant (RWZI) must continue to function without interruption.
Which technical and experience requirements must a bidder meet?
Bidders must submit a technical concept plan, provide evidence of experience with similar RWZI works, and demonstrate that the installation complies with EU standards and local regulations.
How is the contract awarded regarding the division of works?
The main contract consists of two separate sub-lots, but the contract is awarded to a single executing party.
Automatically compiled from the official tender data and documents.
10Estimated value versus the market
p25
€ 1,4 mln
€ 1,4 mln
median
€ 3,6 mln
€ 3,6 mln
p75
€ 9,1 mln
€ 9,1 mln
€ 5,0 mln
Gegunde waarden in CPV 45 · werken n=3159