Replacement of Old Damaged AC and PE Water Pipes in Model Zone Korangi Karachi

The Karachi Water and Sewerage Corporation is procuring works for the replacement of old damaged and contaminated 6" and 4" diameter AC pipes with 160mm and 110mm PE water lines. This project covers multiple areas including Gilanabad, Madina Colony, Saudia Colony, Pak Kousar Town, and Muzaffarabad Khokrapar within the Model Zone of District Korangi, Karachi. The technical scope involves scarifying existing road surfaces, dismantling and removing road metaling, excavation for pipelines and trenches, laying and fixing high-density polyethylene pipes (HDPE-100) conforming to ISO standards, installation of sluice valves, construction of C.C. block masonry chambers, supply of sand, refilling excavated trenches, and road restoration. The work requires compliance with detailed specifications and standards, including proper testing and fitting of pipes and valves. Eligible bidders must have valid registration with the Sindh Revenue Board (SRB), Federal Board of Revenue (FBR) on the Active Taxpayer List (ATL), and Pakistan Engineering Council (PEC) registration with relevant specialization. Experience of similar works with a minimum cost threshold and financial turnover over the last five years is mandatory. Bidders must also provide details of machinery ownership or rental and technical staff qualifications as per tender requirements. The submission deadline is **05-06-2026 at 2:00 PM** via the EPADS portal, with physical submission of bid security in the Office of the Chief Engineer (SEW) KW&SC, Ground Floor Room #2 Block-C, 9th Mile Karsaz Shahrah-e-Faisal Karachi. The technical and financial bids will be opened on the same day at 2:30 PM. Earnest Money of 5% of the bid amount is required, along with a performance security of 10%. A practical tip for bidders is to ensure all bid documents, including the bid security pay order, are submitted physically at the specified office before bid opening. This avoids disqualification due to incomplete submission. Also, carefully review the detailed bill of quantities and specifications to prepare a competitive and compliant bid.