The project deals with the preparation of the DPP of Roudnice nad Labem and the construction of a warning and warning system of the town of Roudnice nad Labem. The elaboration of the Digital Flood Plan will satisfy the pre-condition for pre-flooding measures. A flood plan is one of a set of activities leading to a possible reduction of the horrific consequences of floods. The establishment of an alert and alert system will ensure early warning of the population.