Supply and installation of a mechanical ventilation system for the Lipno shelter

Summary

The contract covers the supply and installation of a mechanical ventilation system at a public shelter with storage and garage rooms at Mickiewicza 60, Lipno. The work includes ventilation ducts and insulation, an NW1 ventilation unit, a duct fan and an axial fan with controls, and the installation of air-distribution and control components. The contractor must also make the necessary wall penetrations, adjust and measure the system, and commission it. The bidder must submit a lump-sum offer showing the price both including and excluding 23% VAT, and state the proposed warranty period; the offer form does not set a minimum number of warranty months. Equipment must be new, complete, and compliant. The contractor is responsible for delivery and unloading and must provide operating and maintenance instructions, certificates, test and measurement records, and technical and as-built documentation. The work must be completed within 50 days of signing the contract and no later than 7 December 2026. Detailed participation and qualification requirements must be checked in the tender documents.