AA041 E1 Empreitada de Reabilitação da ETA de Castelo de Paiva
Issued by Águas do Douro e Paiva, SA · via BASE — Portugal public procurement announcements (base.gov.pt)
- Published
- 29 Sept 2026
- Closes
- 4 Nov 2026, 23:59 UTC
- Value
- EUR 4,900,000
- Reference
- DR 24127/2026
- Location
- Portugal
- Sector
- Construction & Infrastructure
- Type
- works
At a glance
Águas do Douro e Paiva, SA in Portugal has published a tender in construction & infrastructure: “AA041 E1 Empreitada de Reabilitação da ETA de Castelo de Paiva”. Submissions close on 4 November 2026, 30 days from today. The stated value is EUR 4,900,000. Quote reference DR 24127/2026 in any correspondence with the buyer. 2 documents are attached to this notice. FreeTender has recorded 9 notices from this buyer since 2026, 9 of them currently open. There are 559 open construction & infrastructure notices in Portugal on FreeTender. Bids are submitted to the buyer through BASE — Portugal public procurement announcements (base.gov.pt), not through FreeTender.
Details
Object: AA041 E1 Empreitada de Reabilitação da ETA de Castelo de Paiva
Contracting entity: Águas do Douro e Paiva, SA (NIPC 514310774)
Notice type: Anúncio de procedimento
Procedure: Concurso público
Contract type: Empreitadas de obras públicas
CPV: 45200000-9, Obras de construção total ou parcial e de engenharia civil
Base price: EUR 4,900,000.00
Proposal deadline: 04-11-2026 (date as given by BASE; the exact hour is in the DR announcement)
Diário da República: announcement no. 24127/2026, DR no. 189, series 2
Procurement documents / submission platform: https://www.acingov.pt/acingovprod/2/zonaPublica/zona_publica_c/donwloadProcedurePiece/MTE0ODY4Nw
Proposals are submitted through the electronic procurement platform named in the announcement (registration required).
Context for bidders
We hold 9 notices from Águas do Douro e Paiva, SA, going back to September 2026 — 9 of them still open. They buy mostly in Manufacturing & Supply, Construction & Infrastructure and Energy & Power. There are 559 open Construction & Infrastructure tenders in Portugal. This one closes in 30 days.
More from this buyer
- AA021 E1 Empreitada de execução - Sobrepressora de Castelo de Paiva· closes 22 Oct
- Aquisição de Anéis de Enchimento para os Reservatórios de Absorção da ETA de Lever· closes 16 Oct
- Aquisição de Equipamentos de Instrumentação Analítica· closes 10 Oct
- Acordo Quadro para Aquisição de Fixadores, Tubagens em PVC e PP-H· closes 16 Oct
- Aquisição de Vestuário de Trabalho· closes 12 Oct
Similar Construction & Infrastructure tenders
- Portugal – Sewage treatment works – 23/2026.DCP – Construção da ETAR de Barcelos· closes 23 Oct
- Portugal – Overhaul and refurbishment work – REABILITAÇÃO, REQUALIFICAÇÃO E AMPLIAÇÃO DA ESCOLA BÁSICA 2,3 D. JORGE DE LENCASTRE· closes 6 Nov
- Portugal – Construction management services – CP/2026/29_DEGA - Aquisição de serviços de fiscalização, gestão de qualidade, coordenação de segurança em obra e coordenação de gestão ambiental para empreitadas de infraestruturas de abastecimento de água e drenagem de águas residuais Fase 5· closes 6 Nov
- Portugal – Construction supervision services – PRC/2026/204/DGA/CP - Fisc37 - Fiscalização, Gestão da Qualidade, Coordenação de Segurança em Obra, Topografia e Gestão Ambiental· closes 2 Nov
- Portugal – Engineering studies – Aquisição de Serviços para Alteração do Projeto de Retificação e Beneficiação da EN 233 (Guarda–Sabugal)· closes 21 Oct
Documents
- Diário da República announcement 24127/2026.pdfDownload (pdf)
- Procedure documents (e-procurement platform)Download (html)
Before you bid on this tender
A quick checklist to help you decide whether to bid and prepare a compliant submission for this construction & infrastructure opportunity. Always verify the details on the official source.
- Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
- Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
- Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
- Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
- Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
- Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
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