Conversion to electric heating and thermal renovation of 12 residential premises – 4 lots, Stage III

Summary

The tender covers the conversion to electric heating and thermal renovation of 12 residential premises in Bielsko-Biała, divided into four lots. The works include removing old solid-fuel heating appliances and kitchen ranges, installing electric heaters and electrical systems, insulating walls internally and replacing windows. The works must be completed within 55 days of contract signature and no later than 21 December 2026. Bidders must provide at least two electrical specialists qualified for work up to 1 kV, submit the required electronic tender and tender guarantee, and, if successful, provide insurance and 5% performance security. Tenders will be evaluated on price, a 48–60-month warranty and liability period, and two monetary liquidated-damages criteria.