This tender invites qualified contractors in Karachi to undertake the repair, maintenance, and replacement of sewerage lines with diameters of 12 and 15 inches at UC 30, covering Wards 1, 2, 3, and 4 in District Korangi. Issued by the Karachi Metropolitan Corporation, Engineering Department, this project falls under Plumbing & Sanitary Items and Road & Infrastructure Works & Materials categories, reflecting the civil and sanitary nature of the work. The scope includes excavation, laying of RCC pipes of various diameters, dismantling and removing road metalling, construction of manholes, and related sewerage infrastructure works. The site is located in Korangi, Karachi, requiring careful handling of urban infrastructure and coordination with local authorities. The project demands use of quality materials such as RCC pipes conforming to ASTM standards, reinforced concrete manholes, and proper compaction of backfill materials. Contractors must be prepared for challenges including traffic management, water pumping from trenches, and ensuring minimal disruption to the community. Bidders must be registered with the Pakistan Engineering Council in relevant categories, be on the active tax payer lists of FBR and Sindh Revenue Board, and meet the minimum qualification criteria including financial turnover and equipment availability. Compliance with PEC codes, FBR/ATL status, and submission of an Integrity Pact are mandatory. The contract requires mobilization advance guarantees, performance securities, and adherence to the Sindh Public Procurement Rules 2010. The submission deadline is on the 17th of February 2026 at 11:00 AM, with bid opening shortly after. Bids must be submitted online via the SPPRA e-Procurement System (EPADS). The physical address for bid opening is the Office of The Chairman Procurement Committee, Engineering Department, Karachi Metropolitan Corporation, Muslimabad, Karachi. Pro-Tip: Ensure your bid documents include the correct Pay Order for bid security and tender cost, and that all financial figures are rounded to the nearest rupee as per the High Court directive. Also, verify that your PEC registration and tax documents are current and uploaded correctly to avoid disqualification.