Water Supply and Sanitation Improvement Sector Project

Asian Development Bank

Published: Sep 30, 2026

Updated: Sep 30, 2026

Source: ADB - Asian Development Bank

About This Opportunity

ADB - Laos - Water and other urban infrastructure and services

This is a consulting contract in the water and sanitation and urban development and housing sectors, with a focus on Water Supply, Wastewater, Sanitation and Urban Infrastructure. Located in Lao PDR, Asia, this opportunity is open to firms and consortiums.

Published through ADB - Asian Development Bank, a multilateral development bank that follows standardized international procurement guidelines. Projects funded by multilateral institutions are generally open to international bidders from eligible member countries for consulting in the water and sanitation sector. Consulting assignments are typically evaluated with a strong emphasis on the technical proposal, including the methodology and qualifications of key experts. Shortlisted firms may be invited to submit financial proposals in a second stage. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

This tender concerns a Water Supply and Sanitation Improvement Sector Project in Laos, funded by the Asian Development Bank (ADB) under Approval Number 12345. The project falls within the sector of Water and other urban infrastructure and services, indicating a focus on enhancing essential public utilities. Procurement will likely involve consulting services for project design, implementation, and monitoring, as well as civil works contracts for the construction and rehabilitation of water supply systems, wastewater treatment facilities, and sanitation infrastructure. Bidders are expected to demonstrate extensive experience in similar large-scale infrastructure projects in developing countries, particularly within Southeast Asia. Key requirements will typically include proven technical expertise, robust financial capacity, adherence to international quality and environmental standards, and the ability to manage complex project timelines and stakeholder engagement. The contracting authority, likely a government ministry or agency in Laos, will seek proposals that offer sustainable, cost-effective, and technically sound solutions to improve water and sanitation services, contributing to public health and economic development in the region.

Data provenance

This notice is sourced from ADB - Asian Development Bank and was originally published on September 30, 2026. Last refreshed today. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About Asian Development Bank

Asian Development Bank has issued 3,171 procurement notices on BidsFactory, including 193 currently open and 52 awarded contracts. Activity concentrates in Governance & Public Administration, Environment & Climate, and Transport & Logistics. Tenders span 10 countries including Timor-Leste, Uzbekistan, and Tuvalu. Notices are distributed via ADB - Asian Development Bank and aninver_manual. Most recent publication: September 30, 2026.

Frequently asked questions about this tender

How can I submit a bid?

Visit ADB - Asian Development Bank to access the full notice, required documents, and submission instructions provided by the contracting authority.

Who is the contracting authority?

This notice was issued by Asian Development Bank in Lao PDR. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Consulting contract in the Water & Sanitation sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in Lao PDR. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.