The construction of the project includes the replacement of central networks with a total length of 63,8 Km (50.1 Second Division, 13.7 A branch), by plastic HDPE tubes of sections Φ63 to Φ350 and by malleable cast iron tubes, DN200 cross-sections, DN250 and the construction of 2 tanks of 250 m³ (one in each A & B sector). The project will be performed in the Municipality of Grevena and in particular the Municipality of Samarina, Smixis, Filippaion, Dotsikos, Mesolouri, Agios Kosmas, Herakleotes, Grevena, Th.Ziakas. The project will contribute to the seamless water supply of A.E. Ag. Kosmas, Herakleotes, Grevena and Philippaion.