Accepting bidseoiParaguay

Design and construction of collectors for minor and main basins in Asunción

Issued by Ministry of Public Works and Communications · via IDB — BID for the Americas (Inter-American Development Bank)

Verify & apply on the official portal →

Published: 10 Nov 2026
Closes: 29 Dec 2026, 04:59 UTC
Reference: PR-L1172
Location: Paraguay
Sector: Water & Environment

At a glance

Ministry of Public Works and Communications in Paraguay has published a call for expressions of interest in water & environment: “Design and construction of collectors for minor and main basins in Asunción”. Submissions close on 29 December 2026, 49 days from today. Quote reference PR-L1172 in any correspondence with the buyer. FreeTender has recorded 7 notices from this buyer since 2026, 2 of them currently open. There are 3 open water & environment notices in Paraguay on FreeTender. Bids are submitted to the buyer through IDB — BID for the Americas (Inter-American Development Bank), not through FreeTender.

Details

The Republic of Paraguay has received financing from the Inter-American Development Bank for the Drinking Water and Sanitation Project for the Metropolitan Area of Asunción – Lambaré Basin and will use part of the funds to finance this contract, together with the Instituto de Crédito Oficial (ICO) of Spain. The operation is PR-L1172 and the loan agreement is 5027/OC-PR.

The Ministry of Public Works and Communications (MOPC) invites eligible bidders to submit bids for the design and construction of collectors of minor and main basins of Asunción, pumping stations and impulsion pipelines, including the interception of existing sanitary sewer networks and the conduction of wastewater to the Lambaré Wastewater Treatment Plant (WWTP).

The contract will be executed under the FIDIC Yellow Book (2017) design and construction modality and will include operation and maintenance services for 12 months.

The tender will be conducted through a single-stage, two-envelope procedure, in accordance with the IDB's procurement policies. Bidders must demonstrate general experience in construction over the past 15 years and specific experience in the design and construction of urban sanitary collectors and pumping stations. They must also submit audited balance sheets for the past five years, demonstrate minimum financial resources of USD 5 million, an annual turnover of at least USD 13 million, and availability of adequate personnel and equipment.

Bids must be physically submitted and accompanied by a Bid Maintenance Guarantee.

Note: Tender documents and annexes are available in the original language of the country.

Executing unit: Ministry of Public Works and Communications

IDB project: PR-L1172

Contact: [contact details removed] mopc.uoc@gmail.com

Financed by the Inter-American Development Bank (IDB).

Context for bidders

We hold 7 notices from Ministry of Public Works and Communications, going back to July 2026 — 2 of them still open. They buy mostly in Financial & Professional Services, Construction & Infrastructure and Facility Management & Cleaning. There are 3 open Water & Environment tenders in Paraguay. This one closes in 49 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.

Common bidding mistakes to avoid →Writing a winning proposal