The Sinaj project involves investments in the reconstruction and upgrading of the water supply and wastewater system in the agglomeration of the Sinj agglomeration, situated in the county of Spla-Dalmatia, located in the City of Sinda and at a very small part of the municipality. The project covers works:• For the improvement of the existing public water supply, reconstruction, upgrading and rehabilitation of existing facilities• Public drainage through the construction of a pipeline with a total length of 81 864 m, 14 pumping stations with resolution of 23 395 m supply pipelines. • The upgrade of the UPOV in Grade 3 with the capacity of 26 000 ES Project is scheduled to connect 8 827 new inhabitants to a wastewater collection system and 18 753 inhabitants for an improved water supply.