This tender from Pakistan State Oil Company Limited in Karachi invites contractors for the development of inclined bottom plates and re-calibration of finished product tanks. The project involves specialized engineering work on storage tanks, requiring precision and adherence to safety standards in a critical fuel storage environment. The scope includes fabrication and installation of inclined bottom plates, ensuring structural integrity and compliance with industry standards. The site is located in Karachi, where contractors must consider local environmental factors and logistical challenges. The work demands experienced contractors with proven capabilities in tank maintenance and calibration. Bidders should ensure they meet the PEC category requirements and maintain active FBR/ATL status for the financial year 2025-26. It is advisable to prepare all necessary documentation including Earnest Money and Call Deposit Receipt (CDR) as per PSO guidelines to avoid disqualification. Submission of bids is through the SAP Ariba Portal, with the deadline on 14th January 2026 at 2:15 PM. Technical bids will be opened the same day at 3:00 PM. The physical address for correspondence is 2nd Floor, PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Pro-Tip: Make sure to register on the SAP Ariba Portal well in advance and upload all required documents on official letterhead to avoid last-minute issues. Also, keep an eye on the commercial bid opening date, which will be communicated only to technically qualified bidders.