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Construction, Fabrication, and Installation Requirements for Concrete Containment Structures for CANDU Nuclear Power Plants

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Class II biological safety cabinet

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Investigation and management of (suspected) cervical incompetence in a nonpregnant woman

N. whereas the state enterprise ‘Directorate for Nuclear Power Plant Construction’, under the Ministry of Energy, announced that the first nuclear-safety-related concrete for Ostrovets NPP Unit 1 had been poured on 6 November 2013; whereas the construction of the first nuclear power plant was authorised by a presidential decree on 2 November 2013; whereas the first of two 1 170 megawatt electric (MWe) units of the Russian VVER-type (AES-2006) technology is scheduled to be in operation by 2018 and the second unit is planned to be operational by 2020;

Therefore the applicant for a licence for the construction of a new power or research reactor should demonstrate that the design limits the effects of a reactor core damage to within the containment, i.e. the applicant should prove that a large or unauthorised radioactive release outside the containment is extremely unlikely, and that applicant should be able to demonstrate with a high degree of confidence that such a release will not occur.

Therefore the applicant for a licence for the construction of a new power or research reactor should demonstrate that the design limits the effects of a reactor core damage to within the containment, i.e. the applicant should prove that a large or unauthorised radioactive release outside the containment is extremely unlikely, and that applicant should be able to demonstrate with a high degree of confidence that such a release will not occur.

13. Considers that there are different national approaches to assessing the effects of aircraft crashes on the safety of NPPs; notes that ‘aircraft crashes have not been considered explicitly as an initiating event in the safety assessments’, and that only their effects have been outlined in the stress test specifications; regrets, however, the fact that only four Member States have included such assessments in their stress test reports; notes, nonetheless, that the stress test specifications state that ’the assessment of consequences of loss of safety functions is relevant also if the situation is provoked by indirect initiating even ...[+++]ts for instance (...) airplane crash’; also notes that, given that this risk falls primarily within the area of Member States’ national security concerns and, therefore, sovereignty, an Ad Hoc Group on Nuclear Security (AHGNS) has been set up with the task of examining the issue in detail and publishing its conclusions; is aware that further exchanges between Member States are planned on that subject within appropriate forums such as the European Nuclear Security Regulators Association (ENSRA); asks all interested stakeholders, including Member States, the Commission, ENSREG, ENSRA and NPP operators, to work together in order to anticipate and agree a common approach to dealing with the risk of aircraft crashes, while recognising that this risk falls within the area of Member States’ national security concerns and sovereignty;