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Document History of REGDOC-2.5.5, Design of Radiography Installations

View [HTML version of REGDOC-2.5.5] [PDF version of REGDOC-2.5.5]


REGDOC-2.5.5, Design of Radiography Installations, was developed to provide guidance to persons intending to design and construct installations for the purposes of performing industrial radiography. Industrial radiography is a non-destructive method of looking for defects in materials by examining the structures of welds, castings, and building components. A radiography installation is any shielded enclosure, cell or vault where radiography is performed. These installations can be very effective in preventing or minimizing radiation doses to both operators and persons in the vicinity of the radiography work.


March 28, 2018: Published.

Document Milestone Dates Links
Consultation on draft REGDOC-2.5.5, Design of Radiography Installations March 9 to June 16, 2017

View the March 9, 2017 News Release

View the consultation version of draft REGDOC-2.5.5

Draft REGDOC-2.5.5 HTML) (Draft REGDOC-2.5.5 PDF)

Invitation to provide feedback on comments received July 7 to July 28, 2017
Feedback received July 28, 2017 No feedback received
Presentation to the Commission March 15, 2018 View the comments received (PDF)
Publication March 28, 2018 View the news release

Contact information

For questions and information related to REGDOC-2.5.5, Design of Radiography Installations, please contact:

Directorate of Nuclear Substance Regulation

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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