Construction project writing service for the comprehensive renovation of the track in the Zudigarai, San Esteban, Bizkarre, and Txikierdi tunnels on the Aia-Usurbil section
About This Opportunity
This is a services contract in the architecture and engineering sector, with a focus on Feasibility Studies. Located in Spain, Europe, this opportunity is open to firms and consortiums, with an estimated budget of EUR 2. Proposals must be submitted before September 3, 2026.
Published through TED - Tenders Electronic Daily (EU), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for services in the architecture and engineering sector. Service contracts are typically evaluated on both technical quality and price, and may require bidders to demonstrate relevant experience and qualified personnel. Interested parties should review the full documentation on the original source before submitting their proposal.
Description
Original language: SpanishData provenance
This notice is sourced from TED - Tenders Electronic Daily (EU) and was originally published on July 2, 2026. Last refreshed today. Original language: Spanish. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About Euskal Trenbide Sarea - ETS - Euskal Trenbide Sarea
Euskal Trenbide Sarea - ETS - Euskal Trenbide Sarea has issued 43 procurement notices on BidsFactory, including 6 currently open and 16 awarded contracts. Activity concentrates in Architecture & Engineering Services, Transport & Logistics, and Construction & Civil Works. All notices are published for Spain. Notices are distributed via TED - Tenders Electronic Daily (EU). Most recent publication: July 3, 2026.
Frequently asked questions about this tender
When does this tender close?
The submission deadline is September 3, 2026. You have 62 days left to prepare and submit your proposal to the contracting authority.
Who is the contracting authority?
This notice was issued by Euskal Trenbide Sarea - ETS - Euskal Trenbide Sarea in Spain. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
What type of contract is this?
This is a Services contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
What is the estimated budget?
The estimated contract value is €2 - €2. Bidders should ensure their proposals are consistent with this range and account for any local taxes and contract execution costs.
Where will the contract be performed?
The contract is for delivery in Spain. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.
How can I submit a bid?
Visit TED - Tenders Electronic Daily (EU) to access the full notice, required documents, and submission instructions provided by the contracting authority.
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