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NUREG 0933

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This report summarizes the results of U.S. Nuclear Regulatory Commission (NRC) evaluations and documents the resolution of generic safety issues. The NRC staff evaluations were effective in identifying and resolving in a timely manner those generic issues …
  Acronym Description AAB Accident Analysis Branch, NRR (defunct) AC alternating current ACRR Annular Core Research Reactor ACRS Advisory Committee on Reactor Safeguards ADM Office of Administration ADS automatic depressurization system A/E …
The U.S. Nuclear Regulatory Commission (NRC), through its assessment of plant operations, identifies potentially significant issues involving public health and safety, the common defense and security, or the environment that could affect multiple entities …
This section contains the TMI Action Plan items that were documented in NUREG-0660. [1] All items in Chapters I, II, III, and IV that were identified for prioritization and listed in this section follow the numbering system established in NUREG-0660. [2] …
This section contains all Task Action Plan items documented in NUREG-0371 [1] and NUREG-0471 [2] as well as all USIs documented in other NRC publications. Items A-1 through A-41 are listed in NUREG-0371 [3] and all items with prefixes "B," "C," and "D" …
This section contains a compilation of issues that are not listed in any single report. these issues have surfaced since publication of NUREG-0371, [1] NUREG-0471, [2] and NUREG-0660. [3] The first 27 of these issues were transmitted [4] from the Generic …
The issues presented in this section include those outlined in the Human Factors Program Plan (HFPP) and documented in NUREG-0985, Revision 1. [1] This plan describes the human factors-related work required to complete the NUREG-0660 [2] human factors …
The staff's assessment of the implications of the Chernobyl accident on the safety regulation of U.S. commercial nuclear power plants, as reported in NUREG-1251, [1] led to the conclusion that no immediate changes in NRC's regulations regarding the design …
The issues presented in this section include those non-reactor GSIs identified, prioritized, and resolved by NMSS. As stated in SECY-98-001,1724 the prioritization procedure for these issues is contained in NMSS Policy and Procedures Letter 1-57,1725 …
On March 11, 2011, a 9.0-magnitude earthquake, followed by a 45-foot tsunami, heavily damaged the nuclear power reactors at Japan's Fukushima Dai-ichi facility. Shortly after the accident, the NRC issued NRC Order EA-12-049, "Order Modifying Licenses With …
This section contains the tables relevant to NUREG-0933. Table II of NUREG-0933 presents a list of all resolved generic issues (GI) and the partial assessments of all remaining unresolved GIs. Table III of NUREG-0933 summarizes and tabulates by group the …
This section contains the appendices relevant to NUREG-0933. Appendix A of NUREG-0933 is an excerpt from Appendix VI, Section 2 of WASH-1400 (NUREG-75/104), "Reactor Safety Study: An Assessment of Accident Risks in U.S. Commercial Nuclear Power Plants," …
Beginning with Supplement 35, NUREG-0933 went exclusively on-line. Previous supplements were available in hard copy. This table lists, in reverse chronological order by year and supplement, a brief description of revisions since supplement 34.   Year and …
TASK I.A.1: OPERATING PERSONNEL AND STAFFING Complex transients in nuclear power plants place high demands on the operators in the control room. The objective of the actions described in this task was to increase the capability of the shift crews in the …
The objectives of this task were to: (1) improve the capability of operators and supervisors to understand and control complex reactor transients and accidents; (2) improve the general capability of an operations organization to respond rapidly and …
The objectives of this task were to: (1) upgrade the requirements and procedures for nuclear power plants operator and supervisor licensing to assure that safe and competent operators and senior operators are I charge of the day-to-day operation of …
The objectives of this task were to: (1) establish and sustain a high level of realism in the training and retraining of operators, including dealing with complex transients involving multiple permutations and combinations of failures and errors; and (2) …
The objectives of this task were to: (1)   Improve licensee safety performance and ability to respond to accidents by upgrading the licensee groups responsible for radiation protection and plant operation in such areas as staff size; education and …
The objective of this task was to improve the safety of operations at nuclear power plants by increasing the effectiveness of the NRC inspection program as follows: (1) revise the existing inspection program; (2) implement the resident inspection program; …
The objective of this task was to improve the quality of procedures to provide greater assurance that operator and staff actions were technically correct, explicit, and easily understood for normal, transient, and accident conditions. The overall content, …
The objective of this task was to improve the ability of nuclear power plant control room operators to prevent accidents or cope with accidents if they occur by improving the information provided to them. ITEM I.D.1: CONTROL ROOM DESIGN REVIEWS This item …
The objective of this task was to establish an integrated program which involved participation by the licensees, vendors, NSAC, INPO, and the NRC, and which included foreign operations experience for the systematic collection, review, analysis, and …
The objective of this task was to improve the quality assurance program (QA) for design, construction, and operations to provide greater assurance that plant design, construction, and operational activities were conducted in a manner commensurate with …
The objectives of this task were to: (1) increase the capability of shift crews to operate facilities in a safe and competent manner by assuring that training for plant changes and off-normal events was conducted; and (2) review the comprehensiveness of …
The objective of this task was to provide an added contribution to safety through the development of siting criteria for new power plants and the reevaluation with regard to the new siting criteria of facilities either under construction or operating. …

Page Last Reviewed/Updated 3/1/2026

Disclaimer: Some of the formatting in NUREG-0933 may not be correct. We are currently working on fixing the formatting.