Document: NUREG-0800
Document ID: eedf1a7c-578e-463a-9608-b06af6312cf1
Document Type: srp
Title: HUMAN FACTORS ENGINEERING
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1310/ML13108A095.pdf
Revision Date: 2023-06
Chapter: 18
Section ID: 18.0
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that may occur during each scenario • definition of workplace factors, (e.g., environmental conditions) • needs for task support (e.g., procedures and technical specifications) • staffing level (should be the minimum levels are identified in the exemption request) • responsibilities of each operator • communication requirements between control room personnel and remote personnel (e.g., load dispatcher via telephone) c. The applicant’s scenarios should realistically represent operator tasks in the plant; so that the findings from the analysis can be generalized to the plant’s actual operations. One important aspect of this is the timing for plant dynamics and postulated accidents. This would be provided by a full-scope plant simulator later in the design stage, but at the time of initial staffing evaluations, it may need to come from analytic work by the design team. d. When appropriate, the scenarios should include work associated with operations remote from the main control room. 6. Analyze Workload and Determine Its Acceptability a. The applicant should identify the method or methods to be used to analyze staff workload and the workload acceptance criteria for each. 18.0-41 Draft Revision 3 – July 2015 b. The applicant should have a detailed task analysis of the scenarios to be analyzed. Additional Information: To provide reasonable estimates, SME’s should have a detailed analysis of crew tasks so they know not only what tasks need to be performed, but how they are performed. The task analysis should meet the review criteria provided in Section 5 of NUREG-0711, Applicants may use a combination of traditional task analysis methods, along with cognitive task analysis (CTA) methods.8 The latter may be especially useful for cognitive and supervisory control activities and when the task situation is not well-defined from an operator’s perspective. Applicants may also use human performance modelling techniques, provided they can show that those