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Colombia's Medellin-based multi-utility EPM plans on launching the tender for the construction of its Bello wastewater treatment plant by month-end, project manager Fernando Rojas told BNamericas.
While the official budget for the plant has yet to be made public, EPM has previously mentioned an estimated cost of US$350mn for the plant, which will treat 5m3/s of wastewater.
The utility has already drawn up the bidding rules and is completing the necessary administrative procedures to launch the tender, Rojas said.
Bidding firms will be given 120 days to draw up technical and financial offers and the project should be awarded in June or July of next year, Rojas added.
Companies from Brazil, Mexico, the US, Spain and France have already attended a site visit, EPM's metropolitan water manager, Alberto Gutierrez, told BNamericas earlier this year.
The Bello wastewater treatment plant is part of phase II of EPM's US$550mn Medellin river sanitation program. The project also involves building the US$100mn Interceptor Norte wastewater transportation system, which will conduct the effluent over 8km to the treatment plant.
EPM completed phase I of the sanitation program in 2001, with the construction of the San Fernando wastewater treatment plant, near the southern end of the Aburra valley.