Generic risk insights for General Electric boiling water reactors

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Description

A methodology has been developed to extract generic risk-based information from probabilistic risk assessments (PRAs) of General Electric boiling water rectors and applying the insights gained to plants that have not been subjected to a PRA. The available risk assessments (six plants) were examined to identify the most probable, i.e., dominant accident sequences at each plants. The goal was to include all sequences which represented at least 80% of core damage frequency. If the same plant specific dominant accident sequence appeared within this boundary in at least two plant PRAs, the sequence was considered to be a representative sequence. Eight ... continued below

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Pages: (78 p)

Creation Information

Travis, R.; Taylor, J. (Brookhaven National Lab., Upton, NY (USA)) & Chung, J. (Nuclear Regulatory Commission, Washington, DC (USA). Office of Nuclear Reactor Regulation) May 1, 1991.

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Description

A methodology has been developed to extract generic risk-based information from probabilistic risk assessments (PRAs) of General Electric boiling water rectors and applying the insights gained to plants that have not been subjected to a PRA. The available risk assessments (six plants) were examined to identify the most probable, i.e., dominant accident sequences at each plants. The goal was to include all sequences which represented at least 80% of core damage frequency. If the same plant specific dominant accident sequence appeared within this boundary in at least two plant PRAs, the sequence was considered to be a representative sequence. Eight sequences met this definition. From these sequences, the most important component failures and human error that contributed to each sequence have been prioritized. Guidance is provided to prioritize the representative sequences and modify selected basic events that have been shown to be sensitive to the plant specific design or operating variations of the contributing PRAs. This risk-based guidance can be used for utility and NRC activities including operator training, maintenance, design review, and inspections. 13 refs., 6 tabs.

Physical Description

Pages: (78 p)

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OSTI; NTIS; INIS; GPO

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  • Other: TI91013869
  • Report No.: NUREG/CR-5692
  • Report No.: BNL-NUREG--52282
  • Grant Number: AC02-76CH00016
  • DOI: 10.2172/5702442 | External Link
  • Office of Scientific & Technical Information Report Number: 5702442
  • Archival Resource Key: ark:/67531/metadc1092517

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • May 1, 1991

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

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  • April 27, 2018, 3:41 p.m.

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Travis, R.; Taylor, J. (Brookhaven National Lab., Upton, NY (USA)) & Chung, J. (Nuclear Regulatory Commission, Washington, DC (USA). Office of Nuclear Reactor Regulation). Generic risk insights for General Electric boiling water reactors, report, May 1, 1991; United States. (digital.library.unt.edu/ark:/67531/metadc1092517/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.