OpenServicesEuropeanOpen
A08.534.2025 Specialist sewage consultancy for the municipalities: Leiden - Leiderdorp - Oegstgeest
Gemeente Leiden · Open · 1 lots · 399497
6
6 of 6 core insights found
Measures presence, not accuracy · documents remain authoritative
ScopeAdvicePoints of attentionSuitability requirementsAward criteriaTimeline
Type
Services
90490000
Estimated value
€ 4,84M
estimated
To deadline
-155d
Jan 12, 2026 · 14:00
Knock-outs
0
exclusion grounds
Award basis
Best price-quality ratio
2 criteria
Assess manuallyconfidence high
A framework agreement for specialist sewage consultancy for three municipalities with an expected value of approximately € 4.8 million and a duration of six years.
Services · Open · European procedure
EuropeanComplete timeline
CharacteristicsCPV 90ServicesEU tender
01What is being requested
The assignment concerns specialist sewage consultancy for the municipalities of Leiden, Leiderdorp and Oegstgeest for a maximum period of six years.
The Internal Service and Advisory cluster (IDA) of the Municipality of Leiden is conducting this procurement procedure. The Municipality of Leiden acts as the representative of the contracting authority for the contracting authorities: Municipality of Leiden, Municipality of Leiderdorp and Municipality of Oegstgeest.
1A08.534.2025 Specialist Sewage Consultancy—
02Strategic insight
Strategic insight · AI analysis
Ensure a complete submission of the three quality plans to prevent rejection. Pay close attention to the Social Return obligation of 2% in the operations. Check whether the professional liability insurance complies with the term of being no more than one year old.
03Points of attention
Important · 5
Bidders must use an eHerkenning reliability level 22.Important
It is not permitted to contact other employees other than the procurement advisor.Important
The contractor must spend at least 2% of the contract value on people with fewer employment opportunities.Important
Proof of an environmental management system must be provided within seven days of a request.Important
Incomplete bids may lead to exclusion.Important
04Can I take part?
Financial — Possession of a professional liability insurance policy that is no older than one year at the time of submission.
Technical — Bidder must be able to demonstrate possession of a certified environmental management system such as ISO 14001 or an equivalent alternative.
05Exclusion 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).
06Award criteria
qualityweight n/a
Assessment based on three quality plans.
priceweight n/a
Assessment of the price in accordance with the submitted price sheet.
07Process & timeline
Publication of procurement documents
3 november 2025
Question round 1
12 november 2025
Memorandum of Information (NvI) round 1
19 november 2025
Question round 2
3 december 2025
Memorandum of Information round 2
10 december 2025
Deadline for submitting bids
12 januari 2026 tot 14.00 CET
Assessing bids
12 januari t/m 21 januari 2026
Aim to send award decision
21 januari 2026
Verification meeting (if necessary)
28 januari 2026
End of objection period
10 februari 2026
Sending final award
10 februari 2026
Signing agreement
Vanaf wk. 8 - 2026
Start implementatie
Vanaf wk. 8 - 2026
08Value in context
€4,837,000
09Likely competitors
#Likely bidderFitWins
1Haskoning Nederland B.V.SME99106×
2Arcadis Nederland B.V.SME96117×
3Vandervalk+degroot B.V.SME9566×
4Witteveen+Bos Raadgevende ingenieurs B.V.SME9466×
5Renewi Nederland B.V.SME91133×
6Sweco Nederland B.V. SME9175×
10Tender documents
Nota van Inlichtingen ronde 2pdfDec 8, 2025 · 42 KB
Nota van Inlichtingen ronde 1pdfNov 19, 2025 · 119 KB
Bijlagen bij AanbestedingsleidraadzipNov 4, 2025 · 4875 KB
TN552288 - EF16 Aankondiging van een opdracht - algemene richtlijn, standaardregeling 20251103102120pdfNov 4, 2025 · 10 KB
Aanbestedingsleidraad specialistisch riooladviespdfNov 4, 2025 · 844 KB
uea_552288_20251103094834pdfNov 4, 2025 · 364 KB
11Legal 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 98> Europese openbare aanbestedingsprocedure voor een raamovereenkomst met één ondernemer voor het vervangen van armaturen (straatveAdvies 53> Europese openbare procedure voor een overheidsopdracht tot het verrichten van diensten bestaande uit (dagelijks en periodiek) scAdvies 59> Meervoudig onderhandse aanbestedingsprocedure met betrekking tot een opdracht voor de levering van postdiensten en bezorging. InAdvies 48> Europese niet-openbare procedure voor werktuigkundige en elektrotechnische installaties van de nieuwbouw van een multifunctionel
12Frequently asked questions
Which procurement conditions apply to this tender?
The ARVODI 2025 and the Framework Agreement services ARVODI apply to this tender.
Through which platform does the bidding procedure proceed?
The procurement procedure proceeds via the procurement platform TenderNed.
Which assessment model is used during the award?
The contract is awarded based on the best price-quality ratio.
Automatically compiled from the official tender data and documents.
13Estimated value versus the market
p25
€ 214K
€ 214K
median
€ 466K
€ 466K
p75
€ 1,2 mln
€ 1,2 mln
€ 4,8 mln
Gegunde waarden in CPV 90 · diensten n=2216