Rehabilitation of the water distribution network, involving the replacement of an existing pipeline with a 200mm diameter PE (polyethylene) pipe over a total length of 15,400 meters. The work includes excavation, pipe laying, connection to the existing network, testing, and backfilling, aiming to improve water flow efficiency, reduce leakage, and ensure long-term system reliability. Rehabilitation of the water distribution network, involving the replacement of an existing pipeline with a 200mm diameter PE (polyethylene) pipe over a total length of 15,400 meters. The work includes excavation, pipe laying, connection to the existing network, testing, and backfilling, aiming to improve water flow efficiency, reduce leakage, and ensure long-term system reliability.