Annual Maintenance Contract for Vertiv UPS 30KVA and Replacement of Breather Valve & Flame Arrestor Assemblies on Tank-310

Pakistan State Oil Company Limited Karachi invites sealed E-Bids through SAP Ariba from eligible contractors with adequate past relevant experience and financial capabilities. The procurement involves two main contracts. Items being procured: - Annual Maintenance Contract for Vertiv UPS (30KVA) - Service for Replacement of Breather Valve & Flame Arrestor Assemblies (12" Dia.) on Tank-310 at PSO-KTB. The technical scope includes maintenance of critical UPS equipment ensuring uninterrupted power supply and replacement of specific safety components on a storage tank at the Karachi terminal. The site is PSO Karachi Tank Base (KTB), requiring specialized service providers with experience in electrical and mechanical maintenance. Interested bidders must be registered with FBR and have relevant PEC categories for mechanical and electrical works. Financial year compliance and Earnest Money Deposit (EMD) requirements apply as per PSO procurement rules. The bid documents are available and submission is through SAP Ariba portal from 29th July 2026 to 13th August 2026. The bid submission deadline is 13th August 2026 till 2:15 PM, with bid opening scheduled for 3:00 PM onwards on the same day. The single stage two envelope bidding procedure will be followed, with commercial bid opening dates to be communicated later to technically qualified bidders. A practical tip for bidders: Ensure timely registration on SAP Ariba and complete all technical documentation accurately to avoid disqualification. Early submission is recommended to handle any technical issues on the portal. This tender offers a valuable opportunity for contractors specializing in UPS maintenance and industrial safety equipment servicing in Karachi.