Assessment of value-impact associated with the elimination of postulated pipe ruptures from the design basis for nuclear power plants

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The US Nuclear Regulatory Commission is proposing to amend the regulations that currently require that the design basis for nuclear power plants include the postulation of dynamic effects from loss of coolant accidents up to and including the double-ended rupture of the largest pipe in the reactor coolant system. Proposed modifications would allow analyses to serve as a sufficient basis for excluding dynamic effects, including but not necessarily limited to pipe whip and jet impingement, associated with specific pipe ruptures. Only dynamic effects would be impacted; current design requirements for containment sizing and discharge capacity of emergency core cooling systems ... continued below

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Pages: 112

Creation Information

Holman, G.S. & Chou, C.K. March 29, 1985.

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Description

The US Nuclear Regulatory Commission is proposing to amend the regulations that currently require that the design basis for nuclear power plants include the postulation of dynamic effects from loss of coolant accidents up to and including the double-ended rupture of the largest pipe in the reactor coolant system. Proposed modifications would allow analyses to serve as a sufficient basis for excluding dynamic effects, including but not necessarily limited to pipe whip and jet impingement, associated with specific pipe ruptures. Only dynamic effects would be impacted; current design requirements for containment sizing and discharge capacity of emergency core cooling systems would remain unchanged. This report presents a detailed analysis of value-impact associated with the proposed amendment for PWR reactor coolant loop piping and for BWR recirculation loop piping. The effect of extending application of the proposed rule change to other piping systems is also assessed in a less quantitative manner.

Physical Description

Pages: 112

Notes

NTIS, PC A06/MF A01 - GPO.

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  • Other: TI85010404
  • Report No.: UCID-20397
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/5705341 | External Link
  • Office of Scientific & Technical Information Report Number: 5705341
  • Archival Resource Key: ark:/67531/metadc1092615

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • March 29, 1985

Added to The UNT Digital Library

  • Feb. 10, 2018, 10:06 p.m.

Description Last Updated

  • Feb. 20, 2018, 8:25 p.m.

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Holman, G.S. & Chou, C.K. Assessment of value-impact associated with the elimination of postulated pipe ruptures from the design basis for nuclear power plants, report, March 29, 1985; United States. (digital.library.unt.edu/ark:/67531/metadc1092615/: accessed April 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.