This tender invites qualified contractors in Karachi from the Public Health Engineering Division Karachi for the improvement of water supply at Fly Over M-9 Super Highway, Taluka Gadap. The project falls under Construction & Civil Works Materials category and involves extensive pipeline laying, road cutting, paving, and installation of pumping machinery. The scope includes excavation, laying of HDPE pipes, installation of fire hydrants, air valves, and chambers, along with road works such as sub-base preparation, asphalt concrete wearing course, and paving block installation. The site is located in Gadap, Karachi, requiring careful handling of materials and adherence to technical specifications to ensure durability and compliance with engineering standards. Bidders must be registered with the Pakistan Engineering Council (PEC) with relevant specialization codes and possess experience in similar works. Active tax payer status with NTN and SRB registration is mandatory. The tender requires submission of a technical bid including company profile, financial statements, and proof of equipment and personnel capabilities. The contractor must also comply with FBR/ATL requirements and submit an Integrity Pact as per Sindh Government rules. The submission deadline is set for 26th March 2026 at 10:30 AM, with bid opening at 11:00 AM on the same day at the office of the Executive Engineer Public Health Engineering Division Karachi, near Mashriq Centre, Sir Shah Suleman Road, District East Karachi. Bids must be submitted in sealed envelopes physically delivered to the office address. Pro-Tip: Ensure your bid includes a valid Call Deposit Receipt (CDR) for 5% bid security and double-check the PEC category and tax compliance documents. Missing or incomplete documentation is a common cause for disqualification. Also, carefully review the newspaper advertisement for any specific stamp duty or bid validity requirements to avoid technical rejection.