United States Nuclear Regulatory Commission - Protecting People and the Environment

Human Systems Interface and Plant Modernization Process: Technical Basis and Human Factors Review Guidance (NUREG/CR-6637)

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Publication Information

Manuscript Completed: January 2000
Date Published: March 2000

Prepared by:
W. F. Stubler, J. M. O'Hara, J. C. Higgins/BNL
J. Kramer/NRC

Brookhaven National Laboratory
Upton, NY 11973

J. Kramer, NRC Project Manager

Prepared for:
Division of Systems Analysis and Regulatory Effectiveness
Office of Nuclear Regulatory Research
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

NRC Job Code J6012

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Abstract

Hybrid human-system interfaces (HSIsy result from the combination of new (e.g., digital) and traditional technologies. New demands may be imposed on personnel in operating and maintaining these systems. These demands may result from many factors including the characteristics of the new technologies, the characteristics of the mixture of new and traditional technologies, the process by which the hybrid HSI is developed and used, and the way in which personnel are prepared to use the hybrid HSI. The objective of this study was to develop human factors review guidance on the processes by which hybrid HSIs are developed, implemented, and integrated into plant operations. A characterization framework was developed for describing the key characteristics of hybrid HSIs that are important to human factors engineering (HFE) reviews. Then, the research studies, HFE processes, and guidance related to system development and modernization were reviewed. This information was used as the technical basis upon which we developed the design review guidelines. This guidance applies to general work that should be undertaken and factors that should be considered in designing and implementing hybrid HSIs, particularly in upgrading existing HSIs. The establishment and analysis of design requirements, interface design, and the evaluation of the final system are addressed. Issues for further research were identified for process consideration for which the technical basis was insufficient to support guidance development.

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