This tender invites bids for the annual providing and laying of water supply lines including 10, 8, 6, and 4 inch diameter PE pipes, installation of sluice valves, and construction of chambers across various areas in Gadap Town Water District Malir-B Karachi. The scope covers multiple locations such as Kaly Khan, Magsi Mohalla, Anwar Gabol, Andah Chowk, Abdul Karim Dumba Goth, and Shaikh Mohallah. The procurement is planned under the Karachi Water and Sewerage Corporation for the financial year 2025-2026. The contract includes excavation, pipe laying, valve fixing, and chamber construction with a completion period of 180 days. Bids must be submitted via the EPADS portal by 29th December 2025 at 2 PM, with bid opening scheduled the same day at 2:30 PM at the Office of the Accounts Officer (Sewerage).