Service Required For Complete Internal Cleaning & De-Gassing of Tank-307 (HSFO Service) at Keamari Terminal-B

Pakistan State Oil Company Limited (PSO) invites qualified contractors to submit quotations for the complete internal cleaning and de-gassing of Tank-307, previously used for HSFO service, located at Keamari Terminal-B, Karachi. This comprehensive service includes multiple specialized tasks to ensure the tank is safely cleaned and prepared for future use. Items being procured: - Bolting/Unbolting of 16" diameter flange joints (3 units) - Installation of 16" diameter blind flange after dismantling gate valve (1 unit) - Degassing of tank using ATEX-approved explosion-proof exhaust fans and LED lighting (1 job) - Internal cleaning of tank bottom, shell, roof and removal of sludge/contaminated water (1 job) - Arrangement and erection of mobile tower scaffolding inside tank (1 job) - Delivery, transportation, mobilization and demobilization charges (1 unit) - Supply and installation of 16" diameter blind flange (1 job) The scope covers safe dismantling and reassembly of flange joints and valves using non-sparking tools, complete de-gassing with explosion-proof equipment, manual cleaning with brass scrapers, sludge removal and disposal in compliance with Sindh Environmental Protection Agency regulations, and erection of certified mobile scaffolding for safe access. All equipment must be ATEX-certified and supported by valid manufacturer documentation. The contractor is responsible for all labor, tools, consumables, transportation, and environmental compliance. Eligibility requires contractors to have relevant experience in hazardous tank cleaning, valid PEC registration, and compliance with PSO HSE standards. Earnest money and bid security details are as per PSO instructions. The work must be completed within 21 days of purchase order issuance. Bids must be submitted by **23rd September 2026**. Quotations should be addressed to the PSO Keamari Terminal-B office. Vendors are advised to ensure all certifications and safety documentation are ready for verification. A practical tip for bidders: ensure your ATEX-certified equipment and scaffolding inspection certificates are up to date and readily available to avoid delays during mobilization and approval stages. This tender offers a significant opportunity for contractors specializing in industrial cleaning and hazardous environment services to work with a leading national oil company in Karachi.