Brazil's Santa Catarina state utility Casan has called three tenders valued at a total 10.9mn reais (US$6.78mn) to improve sewerage and water supply systems in the southern state.
Budgeted at 18.3mn reais, the first involves a 24-month initiative to expand the sewerage system in the city of Laguna.
Work entails laying 25.4km of 100mm-wide building connection pipeline, 47.1km of 150mm-wide collector pipeline, 903m of 180mm-wide high density polyethylene (HDPE) pipeline, and building a wastewater pumping station with a capacity of 310m3/h.
Proposals should be submitted on September 9, according to a Casan procurement notice.
The second tender, set at 2.2mn reais, contemplates expanding the potable water supply system in the city of Rio do Sul by 193l/s.
The selected contractor will build a gabion with a capacity of 2,550m3 and install 209m of pipeline.
Offers should be submitted on September 5. The project has an eight-month deadline.
Finally, the utility launched a tender valued at 421,000 reais for work in the municipalities of Biguaçu, Canasvieiras, São José and Santo Amaro da Imperatriz.
The project includes performing restoration work at reservoirs, potable water plants and wastewater treatment plants. Work entails replacing tile flooring, building a 14m3 concrete structure, masonry, plastering and painting.
Bids for the eight-month initiative are due on September 13.
For more information on the three tenders, in Portuguese, go to this link