This tender invites qualified contractors in Lahore to undertake the fabrication and replacement of filter housings equipped with bag filters for the central air conditioning system at AIIAP Lahore. The project focuses on enhancing HVAC efficiency by replacing worn-out filter housings, ensuring improved air quality and system performance within the airport premises. The scope involves precise fabrication of durable filter housings compatible with existing air conditioning units, followed by systematic installation. The site at AIIAP Lahore demands adherence to strict mechanical standards and coordination with airport operations to minimize disruptions. Contractors must consider material quality, engineering tolerances, and safety protocols during execution. Bidders should ensure compliance with PEC registration requirements relevant to mechanical and HVAC works. Additionally, valid FBR registration and ATL status for the fiscal year 2025-26 are mandatory to qualify. It is advisable to prepare earnest money in the form of a Call Deposit Receipt (CDR) as per tender specifications and to submit both technical and financial bids separately. The submission deadline is set for 29th January 2026, with bid opening scheduled shortly after. Interested parties must deliver sealed bids to the office of the Deputy Director (Mechanical), PAA AIIAP Lahore, before the closing time. Late submissions will not be entertained. Pro-Tip: Carefully review the tender documents for specific Earnest Money and stamp duty requirements, as these are commonly overlooked and can lead to disqualification. Also, ensure all technical specifications align with the airport’s operational standards to avoid post-award complications.