Annual Contract for Calibration of PRVs and Pressure Gauges at PSO Operations North Zone Locations 2026-27

Pakistan State Oil Company Limited (PSO) invites quotations for the Annual Contract for Calibration of Pressure Relief Valves (PRVs) and Pressure Gauges at various PSO Operations North Zone locations for the fiscal year 2026-27. This contract covers calibration services at multiple sites including PSO House Karachi, Sihala, Tarrujaba, Faqirabad, Chakpirana, Kotlajam, Kundian, Serai Nurang, Juglot, Chitral, Kohat, and PR Rawalpindi Depot. Items being procured: - Calibration of Pressure Gauges: 60 units at PSO House, 60 at Sihala, 30 at Tarrujaba, 30 at Faqirabad, 37 at Chakpirana, 12 at Kotlajam, 6 at Kundian, 7 at Serai Nurang, 8 at Juglot, 4 at Chitral, 8 at Kohat, 8 at PR Rawalpindi Depot - Calibration of PRVs of Bowsers: 45 at PSO House, 48 at Sihala, 35 at Tarrujaba, 10 at Faqirabad, 25 at Chakpirana, 6 at Kotlajam, 2 at Kundian, 10 at Serai Nurang, 7 at Juglot, 2 at Chitral, 2 at Kohat, 6 at PR Rawalpindi Depot - Transportation/Mobilization Charges for all above locations The calibration will be conducted on-site using pneumatic or hydraulic methods with traceable master equipment complying with ANS/ISO/IEC 17025:2005 and ANSI/NCSL Z540.3-2006 standards. Pressure gauge ranges vary from 0 to 350 PSI and compound pressure gauges from -15 to 150 PSI. PRVs calibration will follow API-576 standards using direct comparison methodology for sizes 0.75'' to 1.25''. The contractor is responsible for coordination with facility in-charges and must complete calibration within 15 days of notification. Dismantling and installation of equipment will be handled by PSO. Calibration certificates and quality tags valid for one year must be provided. Payment will be made based on actual work done after submission of certificates. All applicable government taxes must be included in the quoted rates. Earnest money and other bid security requirements apply as per PSO regulations. The contract includes mobilization, transportation, boarding, lodging, labor, and equipment transport costs. PSO reserves the right to adjust quantities as needed. Liquidated damages of 0.1% per day apply for delays beyond the stipulated timeline, capped at 10% of the contract value. Bidders should ensure compliance with PSO HSE standards and provide protective equipment for workers. Work may be scheduled on Sundays or off days to minimize operational disruption. Interested bidders should submit sealed quotations by **23 November 2026** at PSO House Karachi. A practical tip for bidders is to ensure readiness for mobilization across multiple sites simultaneously to meet the single-visit calibration requirement, optimizing logistics and compliance with PSO's scheduling. This tender offers a valuable opportunity for qualified calibration service providers with experience in industrial pressure equipment and adherence to international standards to engage with Pakistan's leading oil company in the Sindh region.