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
CFR Part: 
CFR Title: 

Content:
he workload experienced is typically high. Scenarios with significant consequences The potential consequences of the operator’s performance impact workload. If the consequences are significant, then more workload is experienced than if the consequences are less severe. Scenarios with actions having little margin for error When operator tasks require very precise responses with little performance margin, the demands on attention are great and workload high. 18.0-44 Revision 3 – December 2016 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 techniques can provide reasonable results. In addition, SMEs should have system descriptions to fully understand the tasks and how they are performed. c. The applicant should conduct a timeline analysis of the time required to complete tasks with respect to the time available. The analysis should consider: • system timing, such as the time the system takes to respond to an action before another action can be taken • the time required to perform covert cognitive tasks, such as situation assessment and response planning • the effects of multitasking and the potential for primary task disruption created by overlapping primary tasks, dependent tasks, and independent tasks d. The applicant should analyze the physical and cognitive workload associated with task performance. The analysis should consider the effects of multitasking and the potential for primary task disruption created by overlapping primary tasks, dependent tasks, and independent tasks. Additional Information: Applicants can use or adapt a subjective workload measure to obtain SME workload estimates along workload dimensions. e. The applicant should evaluate the acceptability of workload by comparing time and workload results to the established criteria. f. The applicant should evaluate unacceptable