Chapter 32
The Maintenance Rule


In Chapter 32, John D. Stevenson covers the Maintenance Rule. On July 10, 1991, a Maintenance Rule titled Requirements for Monitoring the Effectiveness of Maintenance at Nuclear Power Plants was published by the NRC in the Federal Register (56 Fed. Reg. 31324) as 10 CFR 50.65. The rule was developed for the NRC to have an established regulatory framework to provide the means for evaluating the administrative effectiveness of nuclear power plant licensees' maintenance programs. The NRC's overall objective is that structures, systems, and components important to nuclear power plant safety be maintained properly so that plant equipment perform its intended safety functions reliably when required. The Maintenance Rule is performance-based, providing focus on results rather than on programmatic adequacy.

With his experience in domestic and international nuclear power plants, John discusses the rudiments of the Maintenance Rule and the criteria on which the Rule is based. John provides a brief historical background, purpose and scope, and expectations of the license holder to abide by the stipulations dictated in the Maintenance Rule. His commentary includes requirements; the methodology to select plant structures, systems, and components (SSCs); the use of existing Standards and programs; establishing risk and performance criteria, goal setting, and monitoring; SSCs subject to effective program maintenance programs; the evaluation of systems to be removed from service; periodic maintenance effectiveness assessments; documentation; and references.

  • 32.1 Introduction
  • 32.2 Purpose and Scope
  • 32.3 Responsibility
  • 32.4 Applicability
  • 32.5 Terms and Definitions
  • 32.6 General Requirements
  • 32.7 Use of Existing Standards and Programs
  • 32.8 Methodology of Selecting Plant Structures, Systems, and Components
  • 32.9 Establishing Risk and Performance Criteria (Goal Setting) and Monitoring
  • 32.10 SSCS Subject to Effective Program Maintenance Programs
  • 32.11 Evaluation of Systems to be Removed from Service
  • 32.12 Periodic Maintenance Effectiveness Assessments
  • 32.13 Documentation
  • 32.14 References

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