This tender invites bids for the supply of medical oxygen gases and nitrous oxide to Abbasi Shaheed Hospital in Karachi under the Karachi Metropolitan Corporation's Finance & Accounts Department, Contract Management Wing. The procurement falls under Medical & Surgical Supplies and is critical for supporting healthcare services in Karachi. The scope includes refilling and delivery of various gas cylinders including medical oxygen liquid, oxygen gas cylinders of different sizes, nitrous oxide, compressed air, and CO2 gas. The supply will be managed from the KMC Head Office and delivered to the hospital site near Islamia College, Karachi. The contract duration is 12 months with a penalty clause for delays. The technical requirements emphasize quality and compliance with specifications to ensure uninterrupted medical gas supply. Bidders must be registered with relevant tax authorities, have valid NTN and sales tax registration, and meet eligibility criteria including a minimum of three years' experience with semi-government or government institutions. Compliance with PEC registration (where applicable), FBR ATL status, and financial turnover requirements for the last three years is mandatory. Bid security of 5% of the estimated cost is required in the form of pay order or bank guarantee. The submission deadline is **27-02-2026** at 11:30 a.m., with bid opening at 12:00 p.m. on the same day at the KMC Head Office, Room No.19, 2nd Floor, M.A. Jinnah Road, Karachi. Bidders must submit bids online via the Sindh EPADS portal and also provide original bidding document fees and bid security instruments physically by the deadline. Pro-Tip: Ensure all bid documents are properly signed, stamped, and free from overwriting. Pay special attention to the original submission of bid security and bidding document fee pay orders, as failure to submit these physically will lead to disqualification. Also, verify the latest amendments in SPP Rules 2010 to avoid procedural errors.