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Brazil's Paraná state water utility Sanepar has called tenders worth a total 9.01mn reais (US$5.42mn) to improve water supply systems in the southern state.
The first project, set at 3.5mn reais, entails expanding the water supply system in state capital Curitiba by installing a new reservoir in Vila Guarani.
Interested participants must have experience building a reservoir to store at least 5,000m3.
Clarifications can be requested until March 14 and proposals must be submitted on March 22. The winning contractor will have 12 months to carry out the work, Sanepar said in a release.
The utility also launched a 3.51mn-real tender which includes carrying out temporary service suspensions and reconnecting water systems as necessary for a period of 24 months. The contract covers the city of Londrina and another 14 areas in its surrounding area.
Clarifications can be requested until March 10 and proposals must be submitted on March 18, according to Sanepar's procurement notice.
Finally, Sanepar called a 2mn-real tender to expand the water supply system in the city of Foz do Iguaçu, which includes building a semi-submerged reservoir.
Firms competing must demonstrate experience of building a reinforced concrete reservoir for a water supply system with capacity of at least 2,000m3.
Interested parties can request clarifications until March 10 and bids must be submitted March 18. The awardee will have 10 months to complete work.