Document: NUREG-0800
Document ID: 51b93b24-7bff-4144-949f-36812854b7aa
Document Type: srp
Title: HUMAN FACTORS ENGINEERING
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1612/ML16125A114.pdf
Revision Date: 2023-06
Chapter: 18
Section ID: 18.0
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Content:
s to be performed by licensed operators are validated using individuals holding a current operating license for the unit on which the actions are to be credited. For vendor/applicants using the 10 CFR Part 52 process for a design for which there are currently no licensed operators, the crews may be composed of individuals who hold or have held an NRC-issued license to operate a commercial nuclear reactor of the same type (i.e., pressurized water reactor or boiling water reactor) for which the design is being validated. • Actions allocated to non-licensed operators are validated using non-licensed personnel trained in accordance with a program that meets the requirements of 10 CFR 50.120. • The MCR operating staff size and composition used in the event simulations are the same as was used for the analysis and preliminary validation. 18.0-26 Revision 3 – December 2016 • All crews are included as part of the ISV. For vendor/applicants using the 10 CFR Part 52 process the minimum number of crews should be established in accordance with the guidance of NUREG-0711 (e.g., as specified in the vendor’s/applicant’s NRC- approved integrated system validation implementation plan). Procedures • The manual operator actions to be credited in the event analysis are directed by procedure steps included within procedures and executed from the MCR. Operational Conditions • Event simulations for the ISV include operational conditions in which credited actions may be required. For the analysis of manual actions credited for response to postulated CCFs of digital reactor protection system functions, consistent with BTP 7-19, the event simulation should include a range of CCF and digital failure modes, postulated HSI failures, and operational conditions in which the credited actions may be required. Performance Times • For each manual action, the mean performance time of the crews is less than or equal to the estimated time required derived from the analysis phase. •