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Significance:
Mar 31, 2008
Identified By: NRC
Item Type: NCV NonCited Violation
Failure to Take Timely and Effective Corrective Actions to Prevent RCS Pressure Boundary Leakage through the RCP Seal Lines
The inspectors identified a Non-Cited Violation (NCV) of 10 CFR 50, Appendix B, Criterion XVI, Corrective Action, for failure to take timely and effective corrective actions to prevent recurrence of Reactor Coolant System (RCS) pressure boundary leakage through the Reactor Coolant Pump (RCP) seal lines, which resulted in a violation of TS 3.4.6.2. The licensee entered the finding in their corrective action program for resolution as Condition Report 2008-7054.
The finding is greater than minor in accordance with Inspection Manual Chapter (IMC) 0612, Power Reactor Inspection Reports, Appendix B, Issue Screening. Specifically, this finding is associated with the equipment performance attribute of the Initiating Events Cornerstone and affects the cornerstone objective of limiting the likelihood of those events that upset plant stability and challenge critical safety functions during shutdown as well as power operations. The finding was determined to be of very low safety significance because it did not contribute to both the likelihood of a reactor trip and the likelihood that mitigation equipment or functions will not be available. This finding was related to the appropriate and timely corrective actions aspect of the corrective action program component in the problem identification and resolution crosscutting area (IMC 0305 aspect P. 1.d).
Inspection Report# : 2008002 (pdf)
Significance: Sep 30, 2008
Identified By: NRC
Item Type: NCV NonCited Violation
Failure to Identify and Correct an Open and Degraded Missile Shield Door
The inspectors identified a Non-Cited Violation (NCV) of 10 CFR 50, Appendix B, Criterion XVI, “Corrective Action,” for failure to identify and correct the west side entrance door of the 2B diesel fuel oil storage tank (DFOST) building that was unable to be closed due to a rusted latching mechanism and hinge assembly. The licensee entered the finding in their corrective action program (CAP) for resolution as condition report (CR) 2008-24914.
The finding is greater than minor because it involved the protection against external factors performance attribute of the Mitigating System Cornerstone and affected the objective of ensuring that missile shield equipment is available and capable to prevent damage to mitigating systems. Significance Determination Process (SDP) Phase 1 Screening indicated that the finding is potentially risk significant due to an external event initiator and therefore, a Phase 3 analysis was required. The finding was determined to be of very low safety significance because of the low probability of a strong tornado impacting the region along with the unlikelihood the DFOST would be struck by a generated missile due to its location relative to the subject missile door. In addition, since the only one train of equipment was impacted for less than Technical Specifications (TS) allowed outage time, mitigating systems were available to allow successful core cooling in the event of a tornado. For these reasons, the Phase 3 analysis determined the risk associated with the finding to be Green. This finding was related to the identification of issues aspect of the CAP component in the problem identification and resolution crosscutting area (MC 0305 aspect P.1(a)). (Section 1R05)
Inspection Report# : 2008004 (pdf)
Significance: Sep 30, 2008
Identified By: NRC
Item Type: NCV NonCited Violation
Failure to Monitor the Station Blackout Cross-tie Cable
The inspectors identified a Green non-cited violation (NCV) of 10 CFR 50.65(a)(1) for the licensee’s failure to monitor the SBO cross-tie cable for Units 1 and 2 against license established goals. The cable has not been tested or energized since 1993. The licensee initiated condition report 2007-36986 for the development of a monitoring program for the cross-tie cable.
This finding is more than minor because it is associated with the design control attribute and affected the mitigating systems cornerstone objective of ensuring the availability, reliability, and capability of systems that respond to initiating events to preclude undesirable consequences during a station blackout. The inspectors did not identify a cross-cutting aspect for this finding. (Section 4OA5.2)
Inspection Report# : 2008004 (pdf)
Significance: Mar 31, 2008
Identified By: NRC
Item Type: NCV NonCited Violation
Failure to Distribute EOP Revisions to the Required Location for Usage
The inspectors identified a Non-Cited Violation (NCV) of 10 CFR 50, Appendix B, Criterion VI, Document Control, for inadequate document control that resulted in copies of several revised emergency operating procedures (EOPs) not being distributed to the designated locations in the Unit 2 control room where they could be used by licensed operators in the event of an emergency. The licensee entered the finding in their corrective action program for resolution as Condition Report 2008-5224.
The finding is greater than minor since not distributing the latest revision of EOPs to the location where it would be used, if left uncorrected could become a more significant safety concern potentially impacting multiple EOPs important to safety and safe shutdown of the plant. The finding affects the Mitigating Systems Cornerstone attribute of procedural quality. This finding was determined to be of very low safety significance since it had not resulted in a loss of a safety function or in any inoperable equipment. A
contributing cause of this finding was related to the resources attribute of the human performance cross-cutting area in the aspect of complete, accurate, and up-to-date procedures (MC 0305 aspect H.2.c).
Inspection Report# : 2008002 (pdf)
Significance: Dec 31, 2007
Identified By: Self-Revealing
Item Type: NCV NonCited Violation
Failure to follow procedures for the 2B Purification Ion Exchange system resin change-out activities
A self-revealing non-cited violation (NCV) of Technical Specification (TS) 6.8.1(a) for failure to follow procedural guidance established for radioactive resin replacement activities was identified. Specifically, on November 13, 2007, Operations personnel failed to follow details in Procedure 2-0520020, Appendix E necessary to ensure depressurization of the 2B Purification Ion Exchange system during conduct of a volumetric test associated with resin replacement activities. The failure to follow the established guidance resulted in the unanticipated and uncontrolled release of radioactive materials from the system and the subsequent contamination of personnel and the surrounding clean areas. The licensee entered aspects of this finding into their Corrective Action Program (CAP) as Condition Report (CR) Numbers 2007-37764, 2007-37632 and 2007-37618.
This finding was determined to be more than minor because the failure to follow established operations procedures is associated with the Occupational Radiation Safety cornerstone attributes of program and controls, and affected the cornerstone objective to protect occupational workers from unplanned and unintended exposure to radiation. The event is of very low safety significance based on the resulting exposures being within regulatory limits for all workers involved in the event and its cleanup. This finding involved the cross-cutting area of human performance and the aspect of work practices ((IMC 305, H.4.b)
Inspection Report# : 2007005 (pdf)
Significance: Dec 31, 2007
Identified By: NRC
Item Type: NCV NonCited Violation
Failure to Implement Appropriate DOT Type A Package Closure Requirements
The inspectors identified a Green NRC-identified NCV of 10 CFR 71.5 for failure to implement package design specifications for the proper closure of Type A shipping packages as required by Department of Transportation (DOT) regulations. Specifically, for Type A packages containing Unit 1 Spent Resin Tank resin (shipment #06-27) shipped on April 30, 2006, and Unit 2 resin (shipment #06-32) shipped on April 14, 2006, the licensee failed to close the packages in accordance with vendor specifications as required by 49 CFR 173.22. The licensee entered the finding into their CAP as CR 2007-35026.
The licensee’s failure to comply with 10 CFR 71.5 which requires compliance with 49 CFR Part 173 for DOT Type A package vendor engineering analysis specifications, instructions and procedures, was a performance deficiency. The finding was more than minor because it was associated with the public radiation cornerstone program and transportation program attribute and it affected the cornerstone objective to ensure adequate protection of public health and safety from exposure to radioactive material released into the public domain. The issue was reviewed using the Public Radiation Safety Significance Determination Process and was determined to be of very low safety significance (Green) because it did not involve a radiation limit being exceeded nor packaging being breached. This finding involved the cross-cutting area of human performance and the aspect of work practices (IMC 305, H.4.b) for failure to follow procedures. (Section 2PS2)
Inspection Report# : 2007005 (pdf)
Although the NRC is actively overseeing the Security cornerstone, the Commission has decided that certain findings pertaining to security cornerstone will not be publicly available to ensure that potentially useful information is not provided to a possible adversary. Therefore, the cover letters to security inspection reports may be viewed.
Significance: N/A Aug 25, 2006
Identified By: NRC
Item Type: FIN Finding
Identification and Resolution of Problems
The inspectors identified that the licensee was effective at identifying problems and entering them into the corrective action program. The licensee’s effectiveness at problem identification
was evidenced by the relatively few deficiencies identified by external organizations
(including the NRC) that had not been previously identified by the licensee, during the
review period. The licensee effectively used risk in prioritizing the extent to which individual
problems would be evaluated and in establishing schedules for implementing corrective
actions. Corrective actions, when specified, were generally implemented in a timely
manner. Operating experience usage was also found to be effective. Self assessment results adequately identified problems. The inspectors identified a number of weaknesses that are detailed in the report in various aspects within the corrective action process.
On the basis of the samples selected for review, the inspectors concluded that, 1) in general problems were properly identified, evaluated, and corrected within your problem identification and resolution program, 2) the processes and procedures of your corrective action program were generally effective; thresholds for identifying issues were appropriately low, and in most cases, corrective actions were adequate to address conditions adverse to quality, and 3) on the basis of interviews conducted during this inspection, workers at the site felt free to input safety findings into the corrective action program.
Inspection Report# : 2006008 (pdf)
Significance: N/A Jan 14, 2005
Identified By: NRC
Item Type: FIN Finding
Special Inspection's Findings and Observations Related with Breaker Failures
• After two safety-related 4160 volt circuit breakers failed to close, the licensee developed and performed
sufficient tests to verify the ability of the remaining safety-related 4160 volt circuit breakers to operate.
• While the initial operability tests ensured that a breaker would cycle once, the licensee did not take into
consideration breakers that must operate multiple times in performing various design functions. As a
result, for any breaker cycled after passing an initial voltage verification test, but before operability was
confirmed by a smooth operation check of the spring charging motor limit switch bracket, the licensee did
not have reasonable assurance that the breaker would perform its safety function until a second
successful voltage verification test was completed.
• The licensee's root cause evaluation was sufficient to identify the cause of the breaker failures associated
with the 1A and 1C Component Cooling Water Pump Breakers. However, it did not examine the following
potential programmatic or organizational causes of the breaker failures: inadequate receipt inspection for the
1A Component Cooling Water Pump Breaker evidenced by the failure to identify the bent limit switch bracket;
failure to refurbish the 1C Component Cooling Water Pump Breaker within the time frame identified in the
maintenance program, or to identify the technical basis for extending the refurbishment cycle by 25%; and
failure of the preventive maintenance procedure to identify the degraded performance of the 1C Component
Cooling Water Pump Breaker.
• The licensee did not fully implement industry related operating experience in two areas; post-refurbishment
receipt inspection of the Westinghouse DHP 4160 volt breakers and effects of hardened grease on 4160
volt breaker operation.
Inspection Report# : 2004011 (pdf)
Last modified : November 26, 2008