Renovation of the City Hall terrace roof and installation of a photovoltaic solar system

Summary

The tender covers renovation of the City Hall terrace roof and installation of photovoltaic panels for self-consumption, with the possibility of selling surplus electricity. The contract is divided into two separately awarded lots: Lot 1 for waterproofing, external thermal insulation and metalwork, and Lot 2 for photovoltaic works. Prices are lump sums, and Lot 2 includes mandatory additional services. The submission deadline is 7 October 2026 at 12:00. Tenders will be assessed using technical quality (40%), environmental performance (10%) and price (50%). Variants are not permitted. Site visits are scheduled for 1 October at 16:00 and 2 October at 09:00; attending candidates will receive an attendance certificate.