The project included the construction of the water supply network with the installation of a depressed external water supply pipeline from the borehole to the Kalodiki reservoir, nominal diameter 315mm PN32 (730.00 m. ) and replacement of steel pipeline with HDPE pipeline with diameter 315 mm & 250mm PN25 (5.995,00 m) and smaller diameter networks with HDPE pipelines with nominal diameter F125, F110, F90 to the reservoirs Eleftheriou, Margaritiou, Katavothras, Milokokokia and Karterious.