Services for Waterproofing to Stop Water Seepages at PSO House Karachi

Pakistan State Oil Company Limited (PSO) invites quotations for specialized waterproofing services aimed at stopping water seepages at the PSO House located in Clifton, Karachi. This procurement is specifically for chemical waterproofing and heat resistance treatments at the CEO side and Cooling Tower side of the building. Items being procured: - Water Proofing Works covering 5,100 square feet - Application of Mega Water Guard Primer, a polyurethane-based elastomeric liquid coating - Application of Mega Water Guard Base with a semi-smooth decorative blue finish - Use of Mega Water Seal Pro, a two-component cementitious waterproofing system - Application of Mega Mesh NP-721 and Mega Mesh FG-720 or their equivalents - Surface cleaning, removal of bitumen from old joints, grinding, and scrapping - Insertion of backer rods and filling of expansion joints with elastomeric bond sealant The scope includes all materials, skilled manpower with PPE, and transportation. Contractors must submit a detailed work execution methodology for PSO approval prior to commencement. The job requires removal of old coatings, surface preparation, and application of multiple waterproofing layers to ensure long-lasting protection against water, dampness, and seepage. Eligibility criteria include provision of Sales & Service Tax invoices with Annex-C form, and acceptance of materials subject to PSO inspection. The timeline for completion is 30 days from the issuance of the Purchase Order. Quantities and scope may be adjusted as per PSO requirements. Bidders are advised to carefully prepare their technical and financial bids, ensuring compliance with all terms and conditions. Earnest Money and other bid securities should be arranged as per PSO guidelines. Submission deadline is **03 November 2026**. A practical tip for bidders: Prioritize submitting a comprehensive work execution methodology that clearly demonstrates your understanding of the chemical waterproofing process and quality control measures. This will enhance your technical evaluation and increase chances of contract award.