This tender from Sui Southern Gas Company Limited in Noshki, Balochistan, invites contractors for replacement of heat exchanger pipes and top and bottom plates of LPG vaporizer tanks. The scope covers fabrication, removal, and installation of critical components at the LPG Air Mix Plant, ensuring operational efficiency and safety. The project involves replacing damaged vertical fire-tubes and plates in the vaporizer tank, which uses a water-glycol bath to vaporize LPG. Contractors must physically inspect the site, assess materials, and follow strict fabrication and welding standards including ASTM and API codes. The work demands precision in measurements and adherence to safety protocols, with a completion timeline of six weeks post Letter of Proceed. Bidders should ensure compliance with PEC categories relevant to mechanical and fabrication works, maintain active FBR registration, and meet the 2025-26 fiscal year requirements. The bid validity is 120 days, and all documentation must be signed, stamped, and submitted as per tender instructions. Earnest money of Rs. 30,000 in the form of pay order or demand draft is mandatory. Submission deadline is **16-04-2026** by 11:00 hours via the EPADS online portal. Technical bids will be opened at 11:30 hours the same day. All bids must be submitted in sealed envelopes marked strictly confidential. The physical address for bid bond submission is the SSGC Head Office, Karachi. Pro-Tip: Carefully review the tender documents for the exact bid bond submission process and ensure all technical literature is duly signed and stamped to avoid disqualification. Missing or incomplete documents often lead to rejection, so double-check all requirements before submission.