National Report of The Slovak Republic, september 2001


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4.7.5 Population and staff warning and notification systems


Population warning and communication follows Act No. 42/1994 Coll.LL. on Civil Protection of the Population, as amended. The respective competencies and roles of the corresponding bodies and organizations are precise by “Agreement on Cooperation in Providing for Emergency Preparedness“ made between Office for Civil Protection of Public Administration Section of MV SR and SE, a.s.

System of public warning and communication with bodies and organizations within a radius of 30 km around the Bohunice is secured by a system of mass remote-control through power grid elements (HDO). HADOS receivers are used for communication systems that are able to receive 7 signals. The following signals are used: 1-EBO on alert, 2- Bohunice on alert, 3- Bohunice emergency status, 4- Bohunice accident, 7-functionality check. Members of emergency commissions, mayors of villages and towns, large enterprises and other institutions within a radius of 30 km around NPP Bohunice, as well as all members of KRH SR (approx. 1500 in total) are equipped with such receivers.

Control receivers HERKUL-S (a total of 419) are used to warn the population: whenever needed, they switch on 419 rotator sirens within 30 km, whereby pectoral control . Additional information are provided by media. Besides the system HDO public warning is secured also by public communication means. For this purpose a computerized system ZU 1619 ZUZANA is used.

The responsibility for the triggering of both systems (HDO and Zuzana) is with the shift engineer . Regular testing of HADOS receivers for communication is done 4 times a year. Warning (sirens) are tested once a month .

The systems of population warning and communication with bodies and organizations within 20 km from the Mochovce is secured by :

  1. the warning system including a system of electronic sirens able to work 72 hours without connection to the electricity grid and enabling group selection and transmission of radio signals and feedback that provides information about the state of all sirens;
  2. the communication system made up by pagers for emergency staff, mayors of villages and towns.

Both systems are controlled from NPP Mochovce control center, and the responsibility for their triggering is with the shift engineer . The systems are regularly tested.

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