Renovation of external stairs at 8 Gen. Józef Zajączka Street, Warsaw

Summary

The tender concerns renovation works at an external staircase serving a multi-family residential building with ground-floor services at 8 Gen. Józef Zajączka Street in Warsaw. The scope includes preparatory and demolition works, excavation, soil replacement and compaction, reconstruction of reinforced-concrete stairs, waterproofing, terrazzo cladding, paving, waste removal and restoration of the surrounding green area. The technical specification also refers to renovation works at two further Warsaw locations: a retaining wall at 25 Adama Mickiewicza Street and stair-side walls at 8 Zygmunta Krasińskiego Street; this apparent scope difference should be checked against the complete tender documents and bill of quantities. The works must be completed within 60 days of signing the contract. Offers must be submitted electronically in Polish by 18 September 2026 at 10:00. The offer remains binding for 30 days. Price carries 60% and the warranty period 40%; the accepted warranty periods are 36, 42 or 48 months. No bid guarantee is required, but performance security is required. The bidder must demonstrate the required insurance, experience and personnel, and must provide the specified declarations and evidence.