Support Task B, the Fire Probabilistic Risk Assessment (FPRA) Database, is an important organizational task that directly supports nearly all of the NUREG/CR-6850 FPRA development tasks (Reference 1). As a result, the database structure can become quite complex. Westinghouse has created a FPRA Database to support the Wolf Creek Generating Station (WCGS) FPRA development project and has acquired a number of lessons learned and best practices that can be applied to the development of a FPRA for any nuclear power plant. The purpose of this paper is to provide an overview of the WCGS FPRA Database structure and to share the lessons learned and best practices acquired during its development.

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