Erfahrungs- und Forschungsbericht 2012 - Ensi

Erfahrungs- und Forschungsbericht 2012 - Ensi

of nuclear safety. These developments can then be

incorporated into its own regulatory activities. ENSI

maintains particularly active links with the International

Atomic Energy Authority IAEA, the OECD/

NEA and the Western European Nuclear Regulators’

Association WENRA. It also has a series of bilateral

agreements with countries such as France,

Germany, Austria and recently with Italy as well.

The ENSI contribution to current negotiations on

increased global harmonisation is based on the

stringent nuclear safety standards existing in Switzerland.

Over the course of 2012, the accident at Fukushima

Dai-ichi continued to affect international cooperation.

At the end of August, the IAEA held an

Extraordinary Meeting in Vienna as part of the

Convention on Nuclear Safety CNS. At this meeting,

the contracting parties discussed their actions

as a result of Fukushima and the lessons learned. In

this respect, ENSI had submitted the Country Report

for Switzerland to the IAEA in May. ENSI introduced

concrete proposals for changes to the CNS

by arguing for more binding obligations and

greater transparency. A working group has been

set up entrusted with suggesting ways to improve

CNS. The group will submit its proposals and a

draft of its review process by the end of 2013. ENSI

is an active participant. At the Ministerial Conference

on Nuclear Safety in the Fukushima Prefecture

in Japan in December, Switzerland similarly argued

in favour of a strengthening of international

safety requirements. At the Conference, ministers

from IAEA member states discussed the consequences

and lessons learned from the accident and

the actions taken.

Following the EU Stress Test, which was conducted

by Switzerland in the same manner as in EU member

states with nuclear facilities, ENSI took part in

the international review process completed in April

2012. The results of the Peer Review published in

April 2012 by ENSREG will be further processed in

the context of national action plans. ENSI communicated

its own national Action Plan to the EU at

the end of 2012 and will continue to be part of the

process in 2013. In addition, ENSI is supporting,

through its membership of WENRA, improvements

to and a harmonisation of safety standards.

In May 2012, the IAEA held the 4 th Review Conference

on the Joint Convention on the Safety of

Spent Fuel Management and on the Safety of Radioactive

Waste Management. The international

assessment of the Country Report for Switzerland

submitted in October 2011 confirmed that Switzerland

meets its obligations on the disposal of radioactive

waste. The assessment emphasized several

positive features such as the Sectoral Plan on

the deep geological repositories, the existence of a

disposal programme, the periodic review of disposal

costs and the regular review that ENSI conducts

of its own activities. Conversely, a recommendation

was made inter alia that ENSI should

issue guidelines on the decommissioning of nuclear

facilities, a subject that ENSI is already working


Current changes and

developments in underlying

surveillance principles

The existing regulatory framework of ENSI is being

revised so that it complies with recent national nuclear

energy legislation and is harmonised with international

standards. Work on this aspect continued

in 2012 and ENSI revised four of its currently

enforced guidelines:

ENSI-G04: Design and operation of storage facilities

for radioactive waste and spent fuel rods

ENSI-B02: Periodic reporting by nuclear facilities;

ENSI-B03: Notifications by nuclear facilities;

ENSI-B11: Emergency Exercises.


ENSI Erfahrungs- und Forschungsbericht 2012

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