Annual Maintenance Contract for Vertiv Single Stage Two UPS and Replacement of Breather Valve and Flame Arrestor Assemblies on Tank-310 at PSO Karachi

Pakistan State Oil Company Limited Karachi is inviting sealed e-bids through SAP Ariba for an Annual Maintenance Contract for Vertiv Single Stage Two UPS (30KVA) and service for Replacement of Breather Valve and Flame Arrestor Assemblies (12" Dia.) on Tank-310 at PSO Karachi. Items being procured: - Annual Maintenance Contract for Vertiv Single Stage Two UPS (30KVA) - Replacement of Breather Valve Assemblies (12" Dia.) - Replacement of Flame Arrestor Assemblies (12" Dia.) This tender is issued by the Pakistan State Oil Company Limited, located in Karachi, Sindh. The technical scope includes maintenance and servicing of UPS systems and replacement of critical safety components on storage tanks, ensuring operational reliability and safety compliance at the Karachi facility. The contract requires experienced contractors with adequate past relevant experience and financial capabilities. Bidders should ensure they meet the eligibility criteria including valid PEC registration and FBR/ATL compliance. The bidding procedure is Single Stage Two Envelope with bid documents available and submission through SAP Ariba portal from 29th July 2026 to 13th August 2026 till 2:15 PM. The technical bid opening will be on 13th August 2026 at 3:00 PM, with the commercial bid opening date to be communicated later to technically qualified bidders. Interested bidders must register on SAP Ariba to participate. A practical tip for bidders is to carefully prepare the Technical Bid with all required documents and ensure timely submission via SAP Ariba to avoid disqualification. Early registration on the portal and thorough review of the tender documents will facilitate smooth participation in this competitive procurement process.