This tender from Pakistan Water and Power Development Authority (WAPDA), PHE Division Chagai, invites bids for the expansion and replacement of air valves, expansion joints, and boosting machinery along a 9.5 km pipeline in Chagai, Balochistan. The project involves revamping the existing pipeline infrastructure to enhance water supply efficiency and reliability. The scope includes supply and installation of high-quality pipeline components and machinery, ensuring compliance with composite schedule rates 2023. The engineering challenges include working in the rugged terrain of Chagai, requiring durable materials and expert installation to withstand environmental stresses and maintain system integrity. Bidders must be registered with the Pakistan Engineering Council (PEC) in category C-5 or above, with a specialized code CE09(ii) for Water Supply. Firms should have completed at least two similar assignments with a turnover of PKR 39,971,820 in previous years and be on the Active Taxpayer List (ATL). A Call Deposit Receipt (CDR) and green challan are mandatory, and the pipe manufacturer must have at least 10 years of experience. The submission deadline is set for 09 February 2026 at 09:00 AM, with electronic bids only via the supplier dashboard. Tender opening will occur the same day at 10:00 AM on the EPPS system. Interested parties should ensure compliance with all registration and financial requirements to avoid disqualification. Pro-Tip: Make sure to verify your PEC registration category and specialized code before submission, as non-compliance is a common reason for bid rejection. Also, check the tender documents carefully for the exact bid security format and ensure timely electronic submission to avoid last-minute issues.