This tender invites bids for rehabilitation, improvement, and extension of Drinking Water Supply Schemes (DWSS) in Ayun Darkhanan Deh, Thorian Deh, and Mool Deh areas of Lower Chitral District. The procurement is categorized under construction works in Khyber Pakhtunkhwa. The project involves extensive civil works to enhance water supply infrastructure with an estimated cost of 438.06 million PKR. Bidders must be registered with Pakistan Engineering Council, Khyber Pakhtunkhwa Revenue Authority, and Provincial Enlistment Committee. Technical and financial bids will be submitted and opened through the EPADS online system. Bids must comply with KPPRA procurement rules 2014 and include required bid security and tender fees. The deadline for bid submission is 23rd January 2026 at 12:00 PM. The Public Health Engineering Department Lower Chitral oversees the tender process.