ETA Rio Descoberto (ETA. RDE.001) - adequacy of the treatment process and improvements of the administrative building
Issued by Environmental Sanitation Company of the Federal District (CAESB) · via IDB — BID for the Americas (Inter-American Development Bank)
- Published
- 8 Aug 2026
- Closes
- 27 Oct 2026, 02:59 UTC
- Reference
- BR-L1616
- Location
- Brazil
- Sector
- Water & Environment
This notice was amended
Details changed after publication. Re-check the official notice before bidding.
- Submission deadline changed from 25 Aug 2026, 02:59 UTC to 27 Oct 2026, 02:59 UTCFirst seen by FreeTender on 30 Aug 2026 — most portals don’t publish when a corrigendum was issued.
Details
Brazil, through the Environmental Sanitation Company of the Federal District (CAESB), has financing from the Inter-American Development Bank (IDB) for the "CAESB 2 Environmental Sanitation Program". This International Public Bidding (LPI) call invites eligible bidders to submit closed bids for the renovation and adaptation of sanitation infrastructure.
Scope of the works Main objective: Execution of works and services to adapt the treatment process of the Rio Descoberto Water Treatment Plant (WTP) and improvements in the administrative building.
Execution time: Estimated at 1,080 days.
Eligibility requirements and conditions
Regulatory framework: International Public Bidding (IPL) under the two-envelope system with deferred opening of the financial proposal, conducted in accordance with the IDB's Procurement Policies.
Legal and professional qualification: Presentation of the registration certificate of the company and the technical managers at CREA.
Technical-operational training: Proof of prior execution of:
Water Treatment Plant (WTP) with flotation, flocculation, decantation and filtration processes, for a minimum flow of 2,400 L/s or population ≥1,300,000 inhabitants (including executive design, equipment supply, electrical, automation, pre-operation and at least 6 months of operation).
Water Pumping Station (EEA) with a minimum flow of 500 L/s (including executive design, equipment, electrical and automation). (The sum of certificates for the fulfillment of the items will not be admitted).
Technical-professional training: Presentation of a Technical Collection Certificate (CAT) with a certificate proving the experience of higher education professionals in the same specifications required for the company.
Rules for consortia: Allowed, as long as each consortium company proves at least one of the required technical items and that the consortium, as a whole, meets all the requirements.
Management and submission of proposals
Access to documents: The public notice and attachments in Portuguese can be obtained upon formal request through the CAESB Web Petitioning system.
Note: Tender documents and forms are available in the official language of the country.
Executing unit: Environmental Sanitation Company of the Federal District (CAESB)
IDB project: BR-L1616
Contact: [contact details removed]
Financed by the Inter-American Development Bank (IDB).
Context for bidders
There are 220 open Water & Environment tenders in Brazil. This one closes in 36 days.
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Before you bid on this tender
A quick checklist to help you decide whether to bid and prepare a compliant submission for this water & environment 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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