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Brazil-U.S. Workshop on Strengthening the Culture of Nuclear Safety and Security Summary of a Workshop (2015) / Chapter Skim
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II Safety Analysis, Vulnerability Assessment, and the Design of Integrated Solutions
Pages 21-28

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From page 21...
... Its Babcock and Wilcox pressurized water reactor had a history of boric acid leakage. On March 6, 2002, a cavity was discovered in the reactor pressure vessel head adjacent to a control rod drive mechanism (CRDM)
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From page 22...
... The 2011 Safety Culture Policy Statement sets forth the U.S. NRC's expectation that individuals and organizations performing regulated activities establish and maintain a positive safety culture commensurate with the safety and security significance of their actions and the nature and complexity of their organizations and functions.
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From page 23...
... Moraes described sociotechnical approaches to safety, drawing on his experience at Embraer. Different approaches to safety engineering are found in civil aviation, nuclear power, and defense.
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From page 24...
... . In comparison with traditional approaches, STAMP includes software and system design errors, human error and human decision making, and behavioral dynamics that change over time.
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From page 25...
... He put forth the need to establish a nuclear forensic culture in the heart of the infrastructure of a nuclear safety system and program. DISCUSSION Admiral Ellis invited questions dealing with safety culture specifically related to nuclear power plants and the Davis-Besse accident.
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From page 26...
... Morrow mentioned that on expanding beyond nuclear power reactors, to include, for example, parties from the medical communities, there is a rich discussion of safety culture in terms of medicine in general. Different parties brought different definitions to the discussion and there was not a consensus.
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From page 27...
... In the commercial nuclear industry, it is called the arrogance of excellence, where things have been done so well for so long that it is assumed it is as good as it can possibly be done. She commented as well about the importance of common definitions for safety culture and principles and described the efforts that the United States completed in 2013 to bring the two separate definitions and approaches of the regulator, on the one hand, and the industry, on the other, into a common language.
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From page 28...
... That is something that we can all help move forward, Admiral Ellis said.
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Key Terms

  • safety analysis
  • vulnerability assessment
  • nuclear safety
  • admiral ellis
  • nuclear security

  • nuclear forensic
  • culture traits
  • culture policy
  • vessel head
  • human error

  • rop action
  • traditional safety
  • leadership safety
  • safety values
  • national nuclear

  • involving nuclear
  • nuclear regulatory
  • common language
  • reactor oversight
  • dysfunctional interactions

  • failure modes
  • stainless steel
  • potential failure
  • threats involving
  • cornerstone column

  • boric acid
  • steel cladding
  • radioactive materials
  • forensic capability
  • regulatory commission


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