REGDOC-2.5.2, Design of Reactor Facilities, Version 2 - Consultation

Consultation on REGDOC-2.5.2, Design of Reactor Facilities, Version 2 was open from January 19 to April 19, 2021.From April 20 to May 20, reviewers are invited to provide feedback on comments received during consultation.

REGDOC-2.5.2, Design of Reactor Facilities, Version 2, sets out requirements and guidance for new licence applications for water-cooled reactor facilities. It establishes a set of comprehensive design requirements and guidance that are risk-informed and align with accepted international codes and practices.

This is the second version and will supersede REGDOC-2.5.2, Design of Reactor Facilities: Nuclear Power Plants, which was published in May 2014. In addition, REGDOC-2.5.2, Design of Reactor Facilities, Version 2 will supersede RD-367, Design of Small Reactor Facilities, which was published in June 2011.

Note: This draft regulatory document represents the merger of REGDOC-2.5.2, Design of Reactor Facilities: Nuclear Power Plants, and RD-367, Design of Small Reactor Facilities . The revised text open for consultation is displayed with yellow highlighting.

Potential impacts

The CNSC welcomes information on the potential impacts to the regulated community or alternative approaches to meeting the document’s objectives. Interested stakeholders may provide information about the potential impacts of incorporating the requirements and guidance in this document into their operations. Comment on the potential impacts of this draft regulatory document.

Consultation on REGDOC-2.5.2, Design of Reactor Facilities, Version 2 was open from January 19 to April 19, 2021.From April 20 to May 20, reviewers are invited to provide feedback on comments received during consultation.

REGDOC-2.5.2, Design of Reactor Facilities, Version 2, sets out requirements and guidance for new licence applications for water-cooled reactor facilities. It establishes a set of comprehensive design requirements and guidance that are risk-informed and align with accepted international codes and practices.

This is the second version and will supersede REGDOC-2.5.2, Design of Reactor Facilities: Nuclear Power Plants, which was published in May 2014. In addition, REGDOC-2.5.2, Design of Reactor Facilities, Version 2 will supersede RD-367, Design of Small Reactor Facilities, which was published in June 2011.

Note: This draft regulatory document represents the merger of REGDOC-2.5.2, Design of Reactor Facilities: Nuclear Power Plants, and RD-367, Design of Small Reactor Facilities . The revised text open for consultation is displayed with yellow highlighting.

Potential impacts

The CNSC welcomes information on the potential impacts to the regulated community or alternative approaches to meeting the document’s objectives. Interested stakeholders may provide information about the potential impacts of incorporating the requirements and guidance in this document into their operations. Comment on the potential impacts of this draft regulatory document.

Additional questions about the design of reactor facilities

Can I submit my comments by email?

If you prefer to submit comments by email, please send your comments to cnsc.consultation.ccsn@canada.ca.


What are the changes made in REGDOC-2.5.2, Design of Reactor Facilities, Version 2 from the original REGDOC?

This draft regulatory document represents the merger of REGDOC-2.5.2, Design of Reactor Facilities: Nuclear Power Plants, and RD-367, Design of Small Reactor Facilities. The revised text open for consultation is displayed with yellow highlighting. Links are provided in the appropriate places in the draft regulatory document, to submit comments on the specific sections and paragraphs that were revised and are open for public consultation at this time.


Has consultation on REGDOC-2.5.2, Version 2 closed?

Consultation is not yet closed. Consultation on REGDOC-2.5.2, Design of Reactor Facilities, Version 2 was open until April 19, 2021. From April 20 to May 20, reviewers are invited to provide feedback on comments received during consultation.


Please submit any additional questions you may have on the design of reactor facilities.

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