Technical assistance for preliminary design of Rioseco water plant expansion 2026 Tender
Original: Asistencia técnica para la redacción del anteproyecto para la ampliación de la ETAP de Rioseco.
Consorcio para el Abastecimiento de Agua y Saneamiento en el Principado de Asturias
In context
This is a contract notice published by a government body covering consulting. Bids are invited through an open procedure. Delivery covers Spain (Europe). It is classified under Water and Engineering and Infrastructure against the sustainability taxonomy rather than matched on keywords.
Technical assistance for drafting a preliminary project for expansion of a water treatment plant (ETAP) in Rioseco, Asturias. Bidders should be engineering consultancies with expertise in water infrastructure design and project development.
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About this tender
The Consorcio para el Abastecimiento de Agua y Saneamiento en el Principado de Asturias is procuring technical assistance for drafting the preliminary project (anteproyecto) for the expansion of the Rioseco drinking water treatment plant (ETAP de Rioseco). The contract is classified as a services contract under CPV 71300000 (engineering services), with execution in Asturias, Spain. The procedure is open, with ordinary processing, and no EU funding is involved. The tender file is CAA/2026/256. The published documents include the justification memorandum, the start-of-file and file-approval resolutions, and annexes to the administrative clauses (PCAP) in Word format. Deliverables beyond the preliminary project drafting and the contract duration are not stated on the page.
Key requirements
- ✓Technical expertise in water treatment plant (ETAP) design and expansion
- ✓Ability to draft preliminary engineering project documentation
- ✓Knowledge of Spanish water infrastructure regulations and standards
- ✓Project management and coordination with contracting authority
CPV codes
Relevant sectors
How this compares
- Compared with 897 similar tenders (water in Spain) listed in the last 12 months.
- Its value of $335k is above 59% of the 713 similar tenders that state a value; their median is $215k.
- It allows 31 days to respond, longer than the typical 21 days across 765 similar tenders.
- The same organisation listed 5 other similar tenders here in the last 12 months.
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About this sector
Water funding covers supply, sanitation, wastewater treatment, water efficiency, catchment management and flood risk. A large share is public procurement for infrastructure and services, alongside grants for innovation and access in underserved areas. Bidders and applicants are typically assessed on technical capacity, operating experience and community impact.
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