The proposed building deals with flood protection of the town of Banská Bystrica in the section from km 172,000 from the road bridge to Iliaš to km 179,016 and right-hand protective line of the Selčianske brook to km of 0.31850. The building deals with the adjustment of banks, protective dams, the construction of new waterfront anti-flood walls, mobile payment and the way of discharge of internal waters during the passage of the design flood in the Hron basin and its existing inundation area through the intravilan of the town of Banská Bystrica.The proposed building will ensure the execution of the design floods Q100 in the trough and the associated space, in the space between the new embankment walls and in the area of the current and future inundation area with an elevation of 1 m above the calculated Q100 level.