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Brazil's federal district water utility Caesb has launched a tender for phase two works on its three-phase water supply project, budgeted at 400mn reais (US$129mn).
The 176mn-real tender involves building the utility's Paranoá water supply system.
As well as developing a basic plan and executive project, the winning bidder will need to build water pumping stations to extract water from Paranoá lake
The contract also involves building a reservoir and a water treatment plant and laying pipelines, Caesb said in a procurement notice.
The system is due to have an initial flow rate of 2.1m3/s, and could reach 2.8m3/s after part two works. It will benefit approximately 60,000 residents in the municipal regions of Sobradinho, Planaltina, Itapoã, São Sebastião, Lago Norte, and some residential complexes in the north of the district.
Companies and consortiums can submit proposals for the 36-month project until May 13, the notice said.
Phase one works, involving the company's Corumbá water production system, are already underway. Its initial flow rate will be 2.8m3/s and should eventually reach 5.6m3/s. A future tender is planned for the company's Bananal water production system. It is expected to have a flow rate of 0.75m3/s.
The initiative falls under the country's growth acceleration plan, PAC. Under the plan, Brazil is currently carrying out some of Latin America's largest water projects.