Replacement of Deteriorated Pipelines and Valves, Maintenance of Strainers and NRVs, and De-scaling of Complete HVAC System at LMT

Pakistan State Oil Company Limited (PSO) Karachi is procuring comprehensive replacement and maintenance services for deteriorated pipelines and valves, maintenance of strainers and Non-Return Valves (NRVs), and complete de-scaling of the HVAC system at its LMT facility. This tender covers a wide scope including cutting, removal, shifting, installation, welding, alignment, leak testing, epoxy coating, and commissioning of pipelines of various diameters (12", 8", 6", 4", 2") in the cooling tower area. The work also involves overhauling strainers and NRVs with cleaning, inspection, repair, painting, and reinstallation including cladding and insulation works. The scope extends to supply and installation of flanges, elbows, reducers, tees, ball valves, and pipe nipples with full fabrication, welding, grinding, fitting, and leak testing. Glass wool insulation and GI sheet cladding supply and installation are also included. Materials such as pipelines will be provided by PSO, while valves, flanges, elbows, reducers, tees, and insulation materials are to be supplied by the contractor. The contractor is responsible for all transportation, handling, skilled manpower deployment, and compliance with PSO's Health, Safety & Environment (HSE) standards. Eligible bidders should have relevant PEC categories for mechanical and HVAC works, valid FBR registration, and proven experience in similar HVAC and pipeline maintenance projects. The tender emphasizes quality workmanship, certified materials, and timely completion within 30 days after issuance of Purchase Order. All government taxes and duties must be included in the quoted prices. The tender was published on **2026-06-15** and the submission deadline is **2026-06-30 23:59:59**. Bidders must submit their quotations to PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Earnest Money and CDR requirements apply as per PSO instructions. A practical tip for bidders is to conduct a thorough site visit before quoting to fully understand the technical scope and site conditions, which will help in preparing a competitive and compliant bid.