This tender invites contractors in Shikarpur to undertake the rehabilitation of HSD Tank 2005 at the PSO terminal, issued by Pakistan State Oil (PSO). The scope falls under construction and civil works materials, focusing on tank repair and maintenance. The project involves comprehensive repair works including grinding and re-welding of defective weld seams using low hydrogen electrodes as per API 653 standards. Fabrication and installation of doubler plates on the tank bottom, application of high build epoxy coatings, and protective polyurethane paint are key tasks. Additional works include fabrication and installation of vent nozzles, vacuum box testing for leak detection, flame and cold cutting of pipelines, and welding joints for valves and pressure relief devices. The site in Shikarpur demands skilled workmanship and adherence to strict safety and quality protocols, with all materials and equipment subject to PSO inspection. Bidders should ensure compliance with PEC categories relevant to welding and fabrication works, maintain valid FBR/ATL status, and meet all 2025-26 regulatory requirements. It is advisable to have certified welders with minimum five years of experience and HSE supervisors on site. The contractor must provide all consumables, tools, and third-party inspection certificates. Payment will be made based on actual quantities executed, with penalties for delays beyond the 90-day completion timeline. The submission deadline is set for 08 April 2026, with bids to be opened on the same day. Interested parties should submit sealed quotations to the PSO office located at PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Pre-bid site visits are recommended to fully understand the scope and site conditions. Pro-Tip: Make sure to verify the welder qualification certificates and ensure all welding procedures comply with API 653 and ASME standards. Also, check the newspaper advertisement for specific Earnest Money and Call Deposit Receipt (CDR) requirements which are often overlooked.