Probabilistic risk assessment of the modular HTGR plant. Revision 1

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Description

A preliminary probabilistic risk assessment (PRA) has been performed for the modular HTGR (MHTGR). This PRA is preliminary in the context that although it updates the PRA issued earlier to include a wider spectrum of events for Licensing Basis Events (LBE) selection, the final version will not be issued until later. The primary function of the assessment was to assure compliance with the NRC interim safety goals imposed by the top-level regulatory criteria, and utility/user requirements regarding public evacuation or sheltering. In addition, the assessment provides a basis for designer feedback regarding reliability allocations and barrier retention requirements as well ... continued below

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207 p.

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Everline, C.J.; Bellis, E.A. & Vasquez, J. June 1, 1986.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 144 times . More information about this report can be viewed below.

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Description

A preliminary probabilistic risk assessment (PRA) has been performed for the modular HTGR (MHTGR). This PRA is preliminary in the context that although it updates the PRA issued earlier to include a wider spectrum of events for Licensing Basis Events (LBE) selection, the final version will not be issued until later. The primary function of the assessment was to assure compliance with the NRC interim safety goals imposed by the top-level regulatory criteria, and utility/user requirements regarding public evacuation or sheltering. In addition, the assessment provides a basis for designer feedback regarding reliability allocations and barrier retention requirements as well as providing a basis for the selection of licensing basis events (LBEs) and the safety classification of structures, systems, and components. The assessment demonstrates that both the NRC interim safety goals and utility/user imposed sheltering/evacuation requirements are satisfied. Moreover, it is not anticipated that design changes introduced will jeopardize compliance with the interim safety goals or utility/user requirements. 61 refs., 48 figs., 24 tabs.

Physical Description

207 p.

Notes

OSTI as DE97003993

Source

  • Other Information: PBD: Jun 1986

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  • Other: DE97003993
  • Report No.: DOE/HTGR--86-011-Rev.1
  • Grant Number: AC03-84SF11963
  • DOI: 10.2172/455545 | External Link
  • Office of Scientific & Technical Information Report Number: 455545
  • Archival Resource Key: ark:/67531/metadc676259

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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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  • June 1, 1986

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • May 18, 2016, 2:49 p.m.

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Everline, C.J.; Bellis, E.A. & Vasquez, J. Probabilistic risk assessment of the modular HTGR plant. Revision 1, report, June 1, 1986; United States. (digital.library.unt.edu/ark:/67531/metadc676259/: accessed July 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.