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TZ Ref No.: TZ-26-1482252
Tender Notice Urgent (3d left) National (NCB) Poland Infrastructure and construction

Multi-disciplinary documentation of the renovation of the mechanical ventilation system of the Control Room and the adjacent social room at the Plant Wastewater Treatment Plant in the Gdańsk Refinery

Doc ref no. Z125•••
Sector Infrastructure and construction
Publish Date 09 Nov 2026
Estimated Value PLN ••••••
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Description & Project Overview

Detailed description of the subject of work for the task "Multi-discipline documentation of the renovation of the mechanical ventilation system of the Control Room and the adjacent social room at the Wastewater Treatment Plant in the Gdańsk Refinery" 1. Scope - Detailed design in the sanitary industry together with the accompanying scope of construction works and a design in the electrical and control industry, including: A) Inventory of existing ventilation and duct air-conditioning systems serving the above-mentioned rooms and places of potential collisions (beams and existing installations). This inventory will be carried out for the purposes of designing and locating the supply and exhaust actuators, duct routes and accompanying installations in which the ventilation ducts will be routed (including in the spaces between the ceilings, above the suspended ceiling and for the purposes of possible additional passages and locations in the zones outside the suspended ceilings).

B) Renovation, including the demolition and liquidation of the existing ventilation system and the design of a new supply and exhaust mechanical ventilation installation. The designed ventilation system is based on an air handling unit (AHU standard - TROX or SWEGON for outdoor units, possibly additionally Systemair, ClimaGold for indoor units) with an electric heater and cooler cooperating with the unit (DAIKIN / FUJITSU standard). The documentation should include the design of a new system of insulated ventilation ducts (equipped with attenuating sections) and executive elements (supply/exhaust using swirl diffusers with plenum boxes intended for installation in the suspended ceiling space), as well as the power supply and automation of the system serving the Control Room of the Plant Wastewater Treatment Plant and the adjacent social room. For the social room, it is planned to use only the air supply from the new air handling unit + design an independent exhaust

Days to Deadline
3 days
Closing: 17 Nov 2026, 02:00
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Key Procurement Details

Doc ref no. Z125•••
Notice Type Tender Notice
Bidding Type NCB
Publish Date 09 Nov 2026
Sector Infrastructure and construction
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