The project aims at the construction of the necessary sewerage projects for the collection of waste water of the Municipal Unit of Nea Anchialos of the Municipality of Volos, which is a C' priority settlement (under Directive 91/271) and their transfer to the Wastewater Treatment Plant of the Municipal Water Supply and Sewerage Company of the Greater Volos Area (DEYAMV). It consists of 6 Subprojects:- Subproject 1: It concerns the required work for the construction of the Gravity Drainage Network of the Municipal Unit of Nea Anchialos Municipality of Volos up to the Central Pump Stations. It also includes the construction of the required private sewerage connections on the sewage network. It concerns the required work for the construction of the Central Water Pumping Station in the Municipal Unit of Nea Anchialos Municipality of Volos and the depressive transport pipelines of these up to the point of the network of DEYAMV from where they will be driven by a transmission system in the SIL Volos.- Subproject 3: It concerns the necessary work for the interconnection of the sewerage network with the existing A3 pumping station of New Pagases and, through it, with the installation of wastewater treatment of DEYAM Volos. Provision is made for the construction of 3 wastewater pumping stations, the upgrading of the existing A3 pump station and transport pipelines with a total length of 12,8 km. It concerns the work on the electrification of the Pump Stations of the above Sub-projects.- Subproject 5: It relates to the work of self-regulation of an archaeological nature that will result from the construction of the above sub-projects.- Subproject 6: It concerns the acquisition of the area required for the unclean pumping stations of Subproject 3.