THE ORDER OF THE FEDERAL SERVICE OF THE RUSSIAN FEDERATION ON ECOLOGICAL, TECHNOLOGY AND ATOMIC SUPERVISION

of September 4, 2017 No. 352

About approval of federal regulations and rules of use of atomic energy of "Rule of nuclear safety of courts and other watercrafts with nuclear reactors"

According to article 6 of the Federal Law of November 21, 1995 No. 170-FZ "About use of atomic energy" (The Russian Federation Code, 1995, No. 48, Art. 4552; 1997, No. 7, Art. 808; 2001, No. 29, Art. 2949; 2002, No. 1, Art. 2; No. 13, Art. 1180; 2003, No. 46, Art. 4436; 2004, No. 35, Art. 3607; 2006, No. 52, Art. 5498; 2007, No. 7, Art. 834; No. 49, Art. 6079; 2008, No. 29, Art. 3418; No. 30, Art. 3616; 2009, No. 1, Art. 17; No. 52, Art. 6450; 2011, No. 29, Art. 4281; No. 30, Art. 4590, Art. 4596; No. 45, Art. 6333; No. 48, Art. 6732; No. 49, Art. 7025; 2012, No. 26, Art. 3446; 2013, No. 27, Art. 3451; 2016, No. 14, Art. 1904; No. 15, Art. 2066; No. 27, the Art. 4289), subitem 5.2.2.1 of Item 5 of the Regulations on Federal Service for Environmental, Technological and Nuclear Supervision approved by the order of the Government of the Russian Federation of July 30, 2004 No. 401 (The Russian Federation Code, 2004, No. 32, Art. 3348; 2006, No. 5, Art. 544; No. 23, Art. 2527; No. 52, Art. 5587; 2008, No. 22, Art. 2581; No. 46, Art. 5337; 2009, No. 6, Art. 738; No. 33, Art. 4081; No. 49, Art. 5976; 2010, No. 9, Art. 960; No. 26, Art. 3350; No. 38, Art. 4835; 2011, No. 6, Art. 888; No. 14, Art. 1935; No. 41, Art. 5750; No. 50, Art. 7385; 2012, No. 29, Art. 4123; No. 42, Art. 5726; 2013, No. 12, Art. 1343; No. 45, Art. 5822; 2014, No. 2, Art. 108; No. 35, Art. 4773; 2015, No. 2, Art. 491; No. 4, Art. 661; No. 28, Art. 4741; No. 48, Art. 6789; 2017, No. 12, Art. 1729; to No. 26, of the Art. 3847), I order:

Approve the enclosed federal regulations and rules of use of atomic energy of "The rule of nuclear safety of courts and other watercrafts with nuclear reactors" (NP-029-17).

Approved by the Order of the Federal Service of the Russian Federation on ecological, technology and atomic supervision of September 4, 2017 No. 352

Federal regulations and rules of use of atomic energy of "Rule of nuclear safety of courts and other watercrafts with nuclear reactors" (NP-029-17)

I. Appointment and scope

1. These federal regulations and rules of use of atomic energy of "The rule of nuclear safety of courts and other watercrafts with nuclear reactors" (are developed by NP-029-17) (further - Rules) according to the Federal Law on November 21, 1995 No. 170-FZ "About use of atomic energy", the order of the Government of the Russian Federation of December 1, 1997 No. 1511 "About approval of the Regulations on development and approval of federal regulations and rules of use of atomic energy" (The Russian Federation Code, 1997, No. 49, Art. 5600; 2012, No. 51, Art. 7203).

2. These rules extend to vessels and other watercrafts with nuclear reactors on the basis of pressurized water reactors of double-circuit type, including floating power units (further - vessels), at all stages of their lifecycle.

3. These rules determine the main requirements to design, characteristics and service conditions of systems and elements of nuclear power stations of courts, and also the principles and features of technical and organizational measures for ensuring nuclear safety during the designing, construction and commissioning, operation and conclusion from operation of courts, and also during the designing and production of systems and elements for their application as a part of the nuclear power station of the vessel.

4. These rules are developed according to the federal regulations and rules of use of atomic energy establishing general requirements to safety of courts and other watercrafts with nuclear reactors and also taking into account experience of designing, construction and operation of nuclear power stations of courts.

5. Nuclear safety of the nuclear power station of the vessel is determined by the technical perfection of the project required by quality of production, installation, adjustment and testing of its systems and elements important for safety, their reliability in case of operation, diagnostics of condition, quality and timeliness of repairs and elimination of refusals, accomplishment of log and planned maintenance, the organization of works on process charts, qualification and discipline of personnel.

Nuclear safety of the nuclear power station of the vessel is ensured by system of technical and organizational measures, including for the account:

uses of properties of internal self-security;

use of the principle of protection in depth;

uses of the security systems constructed on the basis of the principles of reservation, space and physical separation, functional independence, single refusal;

uses of the reliable, checked by practice technical solutions and reasonable techniques;

scientific ensuring project developments, construction of nuclear power stations, their start-up, and also scientific and technical maintenance of their operation;

fulfillment of requirements of federal regulations and rules of use of atomic energy, the regulating documents regulating ensuring nuclear safety of courts and other watercrafts with nuclear reactors and also observance of requirements of operational documentation;

forming and maintenance of culture of safety.

6. In case of project development of the vessel mutual approval of requirements to safety of the nuclear power station and to the vessel shall be provided.

7. The procedure for reduction of courts in compliance with requirements of these rules, including terms and amount of necessary actions, is determined in each case in the conditions of action of the building license, operation or conclusion from operation.

8. The list of reducings is given in appendix No. 1, terms and determinations - in appendix No. 2 to these rules.

II. Requirements to the systems of nuclear power stations of courts important for safety

General requirements to systems of nuclear power stations of courts

9. YaEU and its systems and elements shall provide:

control of density of neutron flow (capacity) and speed of its change;

control of technology parameters in case of all possible violations of normal operation, including project accidents;

management of YaEU in all operating modes;

forming of signals of protection, alarm and precautionary system;

transfer of the reactor in subcritical condition and its maintenance in subcritical condition;

stop YaEU and management of the cooling mode;

information support of the operator in case of normal operation, violations of operational limits and (or) operational conditions, violations of limits and (or) conditions of safe operation, including in case of project and beyond design basis accidents, and also under management of accidents;

emergency chilling of active zone.

YaEU and its systems and elements shall prevent:

malfunction of control and management of chain nuclear reaction of division in active zone of the reactor;

achievement of criticality in case of overload of active zone;

violation of process of the heat sink from fuel elements during the operation of the reactor on capacity and residual heat releases in case of stop and cooling.

10. The software used in case of reasons for safety of YaEU shall be certified. Lists of these programs shall be provided to OOB and the fields of their application are specified.

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