Follow-up Soil Investigation CROW400
About This Opportunity
Vattenfal Warmte N (Netherlands) seeks consulting services — Vervolg Bodemonderzoek CROW400. governance & public sector. Submission deadline Jul 2026.
This is a consulting contract in the architecture and engineering and environment and climate sectors. Located in Netherlands, Europe, this opportunity is open to firms and consortiums. Proposals must be submitted before July 7, 2026.
Published through Netherlands TenderNed, a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for consulting in the architecture and engineering sector. Consulting assignments are typically evaluated with a strong emphasis on the technical proposal, including the methodology and qualifications of key experts. Shortlisted firms may be invited to submit financial proposals in a second stage. Interested parties should review the full documentation on the original source before submitting their proposal.
Description
Auto-translated from DutchFollow-up Soil Investigation CROW400
Client: Vattenfal Warmte N.V.
The conclusion of a framework agreement, per lot, with a market party for the execution of soil follow-up investigations for the determination of the provisional safety class in accordance with CROW400.
The lots are divided into three service areas, namely:
Lot West: service area Amsterdam region.
Lot East: service area Arnhem/Nijmegen + Almere.
Lot South: service area Rotterdam/Leiden.
The framework agreements will be concluded for a period of 4 years. Vattenfall obtains an option to extend the contract 2 times, for a maximum period of 1 year. Market parties can be awarded a maximum of 2 of the 3 lots.
The scope of the work in the service area of Amsterdam, Arnhem/Nijmegen +
Almere and Rotterdam/Leiden of Vattenfall Warmte N.V. is as follows:
- Performing historical preliminary investigation in accordance with NEN 5725, based on the indicative preliminary investigations provided by Vattenfall.
- Performing exploratory soil investigation in accordance with NEN 5740, if the historical preliminary investigation shows that additional investigation is necessary.
- Performing a detailed soil investigation in accordance with NTA 5755, if the exploratory soil investigation shows that additional investigation into the nature, severity, and extent of a possible contamination is necessary.
- Performing exploratory asbestos investigation in accordance with NEN 5705 and NEN 5897, if the historical preliminary investigation and/or the exploratory soil investigation shows that investigation into the possible presence of asbestos is necessary.
- Determining a provisional safety class, based on the available investigation data.
- Determining the quality classes of the soil to be removed, in accordance with the applicable standards and analysis results.
- Performing verification investigation, if the final safety class, determined by the contractor's safety officer, deviates from the previously determined safety class from the design or investigation phase.
- Preparing drawings that are part of the reports.
Procedure: Open
Publication Type: Contract notice
Contract Type: Services
Reference: 588916
European: Yes
Data provenance
This notice is sourced from Netherlands TenderNed and was originally published on May 7, 2026. Last refreshed 24 days ago. Original language: Dutch. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About Vattenfal Warmte N.V.
Vattenfal Warmte N.V. has issued 2 procurement notices on BidsFactory, including 2 currently open and 0 awarded contracts. Activity concentrates in Architecture & Engineering Services and Environment & Climate. All notices are published for Netherlands. Notices are distributed via Netherlands TenderNed and TED - Tenders Electronic Daily (EU). Most recent publication: May 7, 2026.
Frequently asked questions about this tender
What type of contract is this?
This is a Consulting contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
Where will the contract be performed?
The contract is for delivery in Netherlands. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.
How can I submit a bid?
Visit Netherlands TenderNed to access the full notice, required documents, and submission instructions provided by the contracting authority.
When does this tender close?
The submission deadline is July 7, 2026. You have 7 days left to prepare and submit your proposal to the contracting authority.
Who is the contracting authority?
This notice was issued by Vattenfal Warmte N.V. in Netherlands. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
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