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Document History of REGDOC-2.3.3, Periodic Safety Reviews

View [HTML version of REGDOC-2.3.3] [PDF version of REGDOC-2.3.3]


Periodic Safety Reviews sets out the CNSC’s requirements and guidance with regard to the conduct of a periodic safety review (PSR) of a nuclear power plant. A PSR is a comprehensive evaluation of the design, condition, and operation of a nuclear power plant. It is an effective way to obtain an overall view of plant safety and the quality of the safety documentation, and to determine reasonable and practical improvements to ensure continued safe operation until the next PSR, or where appropriate, until the end of commercial operation.

REGDOC-2.3.3, Periodic Safety Reviews supersedes RD-360, Life Extension of Nuclear Power Plants, 2008.


April 15, 2015: Published

Document Milestone Dates Links
Consultation August 6, 2014 to October 6, 2014 View the August 6, 2014 News Release
View the consultation version of the Draft REGDOC-2.3.3
(Draft REGDOC-2.3.3 HTML) (Draft REGDOC-2.3.3 PDF)
Invitation to provide feedback on comments received October 17, 2014 to November 7, 2014

View the comments received:

Feedback received November 7, 2014 No feedback was received
Presentation to the Commission March 25, 2015 View the Consultation Report
Publication April 15, 2015 View the News Release

Contact information

For questions and information related to REGDOC-2.3.3, Periodic Safety Reviews, please contact:

Directorate of Assessment and Analysis

Canadian Nuclear Safety Commission
280 Slater St
PO Box 1046 Stn B
Ottawa ON  K1P 5S9

Telephone: 1-800-668-5284 (Canada only)
Fax: 613-995-5086

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