

While a Plan, or equivalent documentation, is recommended to ensure the proper development, execution, management, and documentation of the human factors aspect of any licensable activity, it is not the intention of this guide to create unique human factors work methods or processes. The CNSC will also consider the special circumstances of small business when assessing the human factors approach taken by applicants and licensees. However, submission of equivalent documentation that meets the objectives and intent of this guide is also acceptable. Part A of this guide describes the elements of effective human factors engineering program planning documentation for Class I nuclear facilities and uranium mines and mills.Ī suggested documentation format is presented in this guide as a Human Factors Engineering Program Plan. Such activities help satisfy certain regulatory requirements by demonstrating that licensees and applicants have made adequate provision for the protection of the environment and the health and safety of persons.
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Part B of this document is intended to assist licensees and licence applicants in planning for human factors verification and validation activities. Such considerations help satisfy certain regulatory requirements by demonstrating that licensees and applicants have made adequate provision for health, safety and protection of the environment. Part A of this document is intended to assist licensees and licence applicants in developing human factors engineering program planning documentation that demonstrates how human factors considerations are incorporated into activities licensed by the CNSC.


This document has been published as part of the CNSC’s initiative to bring regulatory documents that were published before the current framework was adopted into the new system.

Note: In 2013, the CNSC adopted a revised regulatory framework structure with a new system for naming and numbering regulatory documents. This document supersedes guidance documents G-276, Human Factors Engineering Program Plans, and G-278, Human Factors Verification and Validation Plans, both published in June 2003. Part B sets out guidance for licensees and licence applicants in planning for human factors verification and validation activities. Part A of REGDOC-2.5.1, General Design Considerations: Human Factors, sets out guidance for licensees and licence applicants in developing human factors engineering program planning documentation that demonstrates how human factors considerations are incorporated into activities licensed by the CNSC.
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The full list of regulatory document series is included at the end of this document and can also be found on the CNSC's website. This regulatory document is part of the CNSC’s physical design series of regulatory documents, which also covers design of reactor facilities and uranium mines and mills.
