Modernisation of the fire-water installation – reconstruction of vertical sections in staircases KS06 and KS07 at the Grand Theatre – National Opera building in Warsaw

Summary

The tender covers the replacement and reconstruction of the PH3 and PH4 vertical sections of the fire-water installation in staircases KS06 and KS07 of the Grand Theatre – National Opera building in Warsaw, including horizontal installation sections and hydrants on the 13th floor. The works must be completed within 70 days. The tender submission deadline is 29 September 2026 at 10:00, and the bid must be submitted electronically through the contracting authority’s platform. A mandatory site visit is required; a bid submitted without completing the site visit will be rejected. Bids will be evaluated on price (60%) and warranty period (40%).