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RESOLUTION OF THE MINISTRY OF EMERGENCY SITUATIONS OF THE REPUBLIC OF BELARUS

of June 30, 2010 No. 30

About approval of regulations and rules on ensuring nuclear and radiation safety of "The requirement to the managing systems important for safety of nuclear power plants"

Based on subitem 7.4 of Item 7 of the Regulations on the Ministry of Emergency Situations of the Republic of Belarus approved by the Presidential decree of the Republic of Belarus of December 29, 2006 No. 756 "About some questions of the Ministry of Emergency Situations" the Ministry of Emergency Situations of the Republic of Belarus DECIDES:

1. Approve the enclosed regulations and rules on ensuring nuclear and radiation safety of "The requirement to the managing systems important for safety of nuclear power plants".

2. This resolution becomes effective since September 1, 2010.

 

Minister E.R.Bariyev

 

IT IS APPROVED

Minister of Internal Affairs of the Republic of Belarus

A. N. Kuleshov 29.06.2010

IT IS APPROVED

Minister of Health of the Republic of Belarus

V.I.Zharko 29.06.2010

IT IS APPROVED

Minister of natural resources and environmental protection

Republic of Belarus V. G. Tsalko 29.06.2010

IT IS APPROVED

Chairman of Committee for State Security

Republic of Belarus V. Yu. Zaytsev 29.06.2010

Approved by the Resolution of the Ministry of Emergency Situations of the Republic of Belarus of June 30, 2010 No. 30

Regulations and rules on ensuring nuclear and radiation safety of "The requirement to the managing systems important for safety of nuclear power plants"

Chapter 1. General provisions

1. This Regulations and rules establish the main requirements to the managing systems of normal operation important for safety of nuclear power plants (further - USNE WB) and requirements to managing security systems of nuclear power plants (further - USB).

2. For the purposes of this Regulations and rules the following terms and their determinations are used:

automated management - control exercised with participation of workers (personnel) by means of the automation equipment;

automatic control - control exercised of the automation equipment without participation of workers (personnel);

blocking - management function which purpose is prevention or the termination of actions of workers (personnel), the automation equipment and the equipment;

block control center (further - BPU) - the part of the block of the NPP placed in the rooms which are specially provided by the project and intended for the centralized automated management of engineering procedures realized by operation personnel of management and the automation equipment;

diagnostics - control function which purpose is determination of functioning state (not working capacity) or operability (defect) of the diagnosed object;

remote control - management of object at distance which can be realized by the manual or automated method;

protection - management function which purpose is prevention: damages, refusals or destruction of the protected equipment or the automation equipment; uses in operation of the defective equipment or the automation equipment; undesirable actions of workers (personnel) for management;

indication - information function of managing system which purpose is display of information to operational workers (personnel) on the automation equipment;

quality category of functional group - the set of quality characteristics and quantitative indices of properties of functional group established in the project documentation;

control - part of management function which purpose is assessment of value (identification) of parameter or determination of condition of controlled process or the equipment;

unauthorized access - the access to funds of automation which is not permitted in accordance with the established procedure or to the equipment;

preemergency - the condition of the NPP which is characterized by violation of limits or conditions of safe operation and did not turn into accident;

limits of safe operation - the parameter values of engineering procedure established by the project from which variations can lead to accident;

reserve control center (further - RPU) - the part of the block of the NPP placed in the room provided by the project and BPU intended in case of refusal for reliable transfer of the block of the NPP in the subcritical discouraged condition and its maintenance as much as long in this condition, actuating of security systems and receipt of information on reactor condition;

registration - information function which purpose is fixing of information on any carrier allowing its storage;

management system - the system representing set of object of management and managing system;

automation equipment - set program, technical and the program technical means intended for creation of managing systems;

managing system - the part of management system exercising control of object on the set purposes, criteria and restrictions;

managing systems (elements) of safety - systems (elements) intended for initiation of actions of security systems, implementation of management by them in the course of accomplishment of the set functions;

the managing systems important for safety (further - USVB) set of the managing security systems and managing systems of normal operation important for safety;

managing systems (elements) of normal operation - systems (elements) creating and implementing control of processing equipment of systems of normal operation on the set technological purposes, criteria and restrictions;

functional group - the part of managing systems accepted in the project representing set of the automation equipment performing the set function of managing systems;

operational limits - parameter value and characteristics of condition of the systems, elements and the NPP in general set by the project for normal operation.

4. USVB are intended for control of the processing equipment of the block of nuclear power plant (further - the NPP) ensuring safety in the conditions of normal operation in case of the modes with variations from normal operation, preemergencies and accidents.

5. The structure and the USVB functions shall be determined by the project documentation of the block of the NPP.

6. Rooms where there is USVB automation equipment, and also the automation equipment shall be protected on the block of the NPP from unauthorized access.

7. Project, design and technological documentation passes the examination on confirmation of suitability of techniques of accomplishment of the measurements by measuring instruments which are part of USVB.

In case of operation of the NPP checking and calibration of the measuring instruments which are part of USVB is carried out for those measuring instruments which are intended for application in the field of legislative metrology and concerning which approval like measuring instruments is performed.

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