Consultancy Services for Oil Water Separator Design at Karachi Aviation

Pakistan State Oil Company Limited (PSO) Karachi is procuring consultancy services for the design and assessment of an Oil Water Separator (OWS) at its Karachi Aviation facility. This tender invites qualified consultants to provide expert design consultancy in accordance with API 421 standards, including site survey, detailed design, and preparation of technical specifications and BOQ. The scope includes conducting a thorough site survey to assess drainage, space, and oily wastewater characteristics. The consultant will develop a detailed design report covering flow rates, oil concentration, hydraulic retention, and effluent quality targets. Selection of the appropriate OWS type with technical justification is required, along with sizing calculations for sludge and oil storage, surface loading, and hydraulic profiles. Mechanical, civil, and instrumentation design aspects must be addressed, including RCC civil works, MEP drawings, alarms, and interlocks. Eligibility requires relevant PEC category registration, FBR/ATL compliance, and proven experience in similar consultancy projects. The consultant must provide certifications for inspectors and ensure adherence to PSO standards. The consultancy includes preparation of detailed BOQ, process flow diagrams, piping and instrumentation diagrams, and cost estimates for CAPEX and OPEX. The tender was published on **2026-05-19** with a submission deadline of **2026-06-02**. Bidders should submit their technical and financial bids to PSO House, Khayaban-e-Iqbal, Clifton, Karachi. Earnest Money and CDR requirements apply as per PSO guidelines. A practical tip for bidders: ensure your technical bid comprehensively covers all design and BOQ requirements with clear justifications and includes all certifications upfront to avoid disqualification during the technical evaluation phase. Early site visits and detailed queries to PSO can improve bid quality and compliance.