This tender invites qualified contractors in Peshawar to undertake the installation, testing, and commissioning of a backup pump system at the Aviation Facility under Pakistan State Oil (PSO). The project involves mechanical and civil works including supply and installation of steel structures, valves, pipelines, electrical cables, and motor control panels. The scope covers comprehensive site surveys, repair and testing of the existing pump, installation of piping and valves compatible with Jet A-1 fuel, and construction of earthing pits. The work demands adherence to OEM specifications and API standards, ensuring the backup pump supports uninterrupted fuel supply. Civil works include excavation, laying of reinforced concrete, steel fabrication, and paver removal and installation, all supervised by the Engineer In-charge. Bidders should ensure compliance with PEC categories relevant to mechanical and civil works and maintain active FBR/ATL status for the fiscal year 2025-26. The contractor must provide a one-year warranty on workmanship and materials, submit fortnightly progress reports, and secure all necessary site entry permits including ASF clearance. Prior approval for materials and designs is mandatory. The submission deadline is set for 08 April 2026, with bids opening thereafter. Interested parties must submit sealed quotations to the PSO House office in Karachi. Site visits are strongly recommended before quoting to understand the live operational environment and safety requirements. Pro-Tip: Carefully review the OEM and API compliance requirements and ensure all welders are licensed as per AWS D1.1 standards. Also, confirm the detailed work methodology and site safety plan with PSO to avoid disruptions during execution.