This tender invites qualified vendors in Karachi to supply and install a Heater Exchanger Replacement (Furnace) for Pakistan International Airlines at Karachi Airport. The procurement falls under the Power, Electrical & Solar Equipment category and is managed by the Supply Chain Management Department of PIACL. The scope includes supply of a heater exchanger capable of operating up to 600 °C with a flow rate of 300/cs, complete electrical and gas fittings, piping, and installation. The system features stainless steel grade 316 pipes, an auto system panel, and includes operational manuals and warranty. The installation site is Karachi Airport, requiring adherence to technical specifications and quality standards to ensure operational efficiency and safety. Bidders must be registered with GST authorities and provide NTN certificates. The tender requires submission of a Technical Proposal and Financial Proposal in sealed envelopes, with earnest money of PKR 200,000 and a non-refundable tender fee of PKR 20,000. The contract is valid for one year with possible extensions. Payment terms are net 30 days after submission of certified invoices. Delivery must be made to the PIACL Supply Chain Management Building at Karachi Airport. The tender emphasizes strict compliance with delivery schedules, quality inspections, and hygienic standards. Participants should ensure PEC registration and FBR ATL status for the fiscal year 2025-26. The tender requires earnest money in the form of a pay order payable to PIACL and a security deposit of 5% of the tender value. All taxes must be clearly stated and GST shown separately. The tender is governed by Pakistani laws and PPRA rules, with arbitration clauses for dispute resolution. The submission deadline is on 16th February 2026 at 10:30 AM, with bid opening at 11:00 AM on the same day at the PIACL SCM Building, Karachi Airport. Bids must be submitted electronically through EPADS, with original bid security submitted physically before the deadline. Late submissions will not be considered. Pro-Tip: Ensure your bid includes all required documents, especially the earnest money pay order and GST certificates, as incomplete bids will be rejected. Also, verify the stamp duty requirements as per the tender notice to avoid disqualification.