Modernisation of the automation system at the Krīgeri wastewater treatment facilities in the Dobele agglomeration

Summary

The tender covers the design and modernisation of the automation system at the Krīgeri wastewater treatment facilities in the Dobele agglomeration, including PLC, relay, switch, SCADA, database and software works, sensor integration, programming, testing, commissioning and related electrical and construction works. The estimated contract value is EUR 146,600 excluding VAT, and the works must be completed within 18 months, with project design completed within 6 months where applicable. The solution must maintain uninterrupted operation of the treatment plant, achieve an electricity saving of 34.177 MWh per year and reduce greenhouse-gas emissions by at least 2.502 tonnes of CO₂ per year during the warranty period. The economically most advantageous tender is assessed on price (76 points), the responsible project manager’s experience (16 points) and the equipment warranty period (8 points). The tender deadline shown in the notice is 30 September 2026. The tender must be submitted electronically in the procurement system and prepared in Latvian, or accompanied by a certified Latvian translation.