This tender invites qualified contractors in Karachi for the Improvement and Rehabilitation of sewerage water lines and paver blocks in UC-10 Mustafabad, North Nazimabad, District Central. Issued by the Karachi Metropolitan Corporation Engineering Department, this project falls under construction, road infrastructure, and plumbing categories, reflecting the comprehensive civil works involved. The scope includes excavation, laying RCC and HDPE pipes, repairing leakage in pipelines, constructing manholes, preparing sub-base and aggregate base courses, and laying cement paving blocks and asphalt concrete wearing courses. The site is located in a busy urban area of Karachi, requiring careful management of traffic and utilities. Contractors must be prepared for challenges such as working in soft rock and soil conditions, ensuring proper compaction, and maintaining quality standards for materials and workmanship. Bidders must hold valid PEC registration in the relevant category and be on the active tax payer lists of FBR and SRB. Compliance with the 2025-26 fiscal year requirements, including submission of bid security and integrity pact, is mandatory. The tender demands a 5% bid security and a performance security of 5% of the contract amount. Contractors should ensure their technical and financial capabilities meet the evaluation criteria, including equipment availability and prior experience in similar government projects. The submission deadline is set for 18th March 2026 at 10:30 AM, with bid opening shortly after. Bids must be submitted electronically via the SPPRA EPADS portal. The physical address for correspondence is the Office of The Chairman Procurement Committee, Engineering Department, Karachi Metropolitan Corporation, Office #01, Behind Dawood Engineering University, Muslimabad, Karachi. Pro-Tip: Carefully review the bid documents for the specific requirements on bid security submission and the integrity pact on stamp paper, as these are common grounds for bid rejection. Also, ensure all rates are quoted in whole rupees as per the High Court directive to avoid disqualification.