The purpose of the project is the construction of an external sewerage network for the Nea Haravgi settlement of the Municipality of Kozani, for the transportation of waste water to EELK Kozani. The transport of waste water is achieved by the interconnection of the central drainage pipeline of the settlement with a collector of the existing sewerage system of the NE of Kozani. Due to the sewage of the settlement leading to an increase in capacity, the management of waste water transfers of NE in Kozani to the ESL is being redesigned. The physical object of the project includes: The construction of a pumping station by tornado device (push pumping station of N.Daravgis), with pumping capacity 50 m 3/h., the construction of an external pipeline from the N.B. Sharing pumping station until the entrance to Kozani, in the area of the koevo Lidl, the construction of the pumping station of lifting (cryption of Kasla) in replacement of the existing pumping block.