|Entered date||Site||Region||Reactor type||Event description|
|ENS 52957||9 September 2017 11:50:00||Crystal River||NRC Region 1||B&W-L-LP||Crystal River Unit 3 is currently undergoing decommissioning and is permanently shut down. The licensee entered their adverse weather procedure EM-220D based on a Hurricane Warning affecting the site within 36 hours. All applicable sections of EM-220D are complete or in progress. No fuel movement activities are in progress. All equipment including Emergency Diesel Generators (EDGS) is available to perform required spent fuel cooling. The licensee will inform the NRC Region I Office.|
|ENS 50269||10 July 2014 16:41:00||Crystal River||NRC Region 1||B&W-L-LP||A non-licensed employee supervisor has been found in violation of the Duke Energy Fitness for Duty Policy. The individual's access to the plant has been suspended. The licensee has notified the NRC Region 1 (Hammann).|
|ENS 49086||2 June 2013 04:38:00||Crystal River||NRC Region 2||B&W-L-LP||On June 1, 2013 at 2129 (EDT), a valid actuation of the 'B' Emergency Diesel Generator occurred when power was lost to the 'B' 4160V engineered safeguards bus due to failure of the 'B' Unit 6900 V bus feeder breaker 3104. There were no interruptions of spent fuel pool cooling during this event. This event is reportable as an 8-hour notification per 10 CFR 50.72(b)(3)(iv)(B)(8). This condition has no adverse affect on the public's or employees' health and safety. NRC Region II has been notified.|
|ENS 48716||5 February 2013 10:57:00||Crystal River||NRC Region 2||B&W-L-LP||At 0800 Eastern Standard Time (EST) on 02/05/2013, Progress Energy Florida, Inc., a subsidiary of Duke Energy, announced its plan to permanently shutdown and decommission the Crystal River Unit 3 (CR3) Nuclear Plant. A media release was issued at 0800 EST on 02/05/2013. CR3 Security personnel are stationed at the Emergency Operations Facility/Training Facility located outside the Owner Controlled Area to monitor potential media coverage and public assembly. At this time, Security reports no security issues. No other media releases are planned at this time. This event is being reported under 10 CFR 50.72(b)(2)(xi) for offsite notifications based on the media release of the planned shutdown and decommissioning of CR3. The NRC Resident Inspector has been notified.|
|ENS 48556||4 December 2012 15:48:00||Crystal River||NRC Region 2||B&W-L-LP|
In support of the planned upgrades to Crystal River Unit 3's Emergency Operations Facility's (EOF) heating, ventilation and air conditioning (HVAC) system, on Dec. 4, 2012, at 1200 hours Eastern Standard Time a temporary EOF has been established and declared operational. The temporary EOF is located adjacent to the primary EOF and remains outside the 10-mile Emergency Planning Zone. The temporary EOF meets the functional requirements of the primary EOF. During the establishment of the temporary EOF, there was no loss in the functionality of the EOF. If an emergency requiring EOF activation occurs, the temporary EOF will be staffed and activated using emergency planning procedures. The Emergency Response Organization has been briefed on the use of the temporary EOF. Readiness of the temporary EOF has been confirmed by a facility walkdown using existing procedures. This condition has no adverse affect on the public's or employees' health and safety. The EOF HVAC system is scheduled to be out of service for approximately four months. The NRC Resident Inspector has been notified.
Primary Emergency Operating Facility Outage completed. This is a courtesy notification and provides an update to the information provided in Event Notification Number 48556 on December 4, 2012, Eastern Standard Time (EDT). The primary Emergency Operations Facility (EOF) at the Crystal River Nuclear Plant has been restored on April 24, 2013, with the completion of the planned maintenance activity on the EOF heating, ventilation and air conditioning (HVAC) system that commenced on December 4, 2012, EDT. The temporary EOF established to support this planned upgrade, previously identified in Event Notification Number 48556, is no longer in use. The primary EOF is currently operational and experienced no loss in functionality during the restoration activities. The Emergency Response Organization has been briefed on the restoration of the primary EOF. This condition has no adverse affect on the public's or employees' health and safety. NRC Region II has been notified. The Licensee has also notified the NRC Resident Inspector.
|ENS 48476||2 November 2012 11:33:00||Crystal River||NRC Region 2||B&W-L-LP||A non-licensed contract supervisor was found to have in his possession a prohibited substance prior to entry into the plant protected area. The contractor's access to the plant has been terminated. This event has been re-posted after additional discussions with the licensee. Contact the Headquarters Operations Officer for additional details. The licensee has notified the NRC Resident Inspector.|
|ENS 48391||9 October 2012 16:22:00||Crystal River||NRC Region 2||B&W-L-LP|
At approximately 0100 hours EDT, on October 9, 2012, a low voltage circuit breaker in the Crystal River Unit 3 (CR-3) Emergency Operations Facility (EOF) tripped due to an electrical fault. The associated loads were powered by backup batteries until they depleted at approximately 1057 EDT. This condition resulted in the loss of dose assessment (RASCAL) and facility cooling capability. Dose assessment capability at the EOF was restored by 1335 EDT. During this event, RASCAL could be run from any plant computer outside of the EOF and the results conveyed back to the EOF. EOF ambient temperature is being monitored. An estimated completion time for chiller restoration has not been established. A follow-up notification will be provided when the chiller operation has been restored. This report is being made in accordance with 10 CFR 50.72(b)(3)(xiii). At no time was the public's or plant employees' health or safety at risk. Due to numerous backup systems, alternate methods were available to calculate dose projections, if required, and communicate the information to the EOF. The NRC Resident Inspector has been notified.
At 1500 EDT on 10/10/12 Chiller Operations for the EOF has been restored. At 1700 EDT on 10/10/12 the EOF returned to normal office temperatures. At no time did temperatures affect the habitability or functionality of the EOF. The NRC Resident Inspector has been informed. Notified R2DO (Seymour).
|ENS 48173||9 August 2012 19:46:00||Crystal River||NRC Region 2||B&W-L-LP||This is a non-emergency 4 hour informational notification to the NRC in accordance with the reporting requirements of 10 CFR 50.72(b)(2)(xi). On August 9, 2012 at approximately 1510 hours (EDT), a contract employee suffered a non-work related personal medical event while in an office environment that was located outside of the protected area. The individual was transported offsite and was pronounced deceased at a local hospital. OSHA is being notified pursuant to the requirements of 29 CFR 1904.39. There was no radioactive contamination involved in this event. Duke Energy has not observed any heightened media interest as a result of the fatality. No other notifications to government agencies are expected and no press releases are intended to be made at this time. The NRC Resident Inspector has been notified.|
|ENS 47166||18 August 2011 15:26:00||Crystal River||NRC Region 2||B&W-L-LP||A non-licensed contract employee was determined to have alcohol in his possession while in the Protected Area. The contractor's access to the plant has been terminated. Contact the Headquarters Operations Officer for additional details. The licensee has notified the NRC Resident Inspector.|
|ENS 47056||15 July 2011 13:15:00||Crystal River||NRC Region 2||B&W-L-LP|
At 0500 on Saturday, July 16th and 0700 on Saturday, July 23rd, a sequence of activities are planned that will render the Technical Support Center (TSC) non-functional by removing all normal and emergency power. These activities are being performed in support of planned TSC facility upgrades. In preparation for this power outage(s), the TSC emergency responders were notified that use of the alternate TSC will be required in accordance with station procedures. Each TSC emergency response function has performed a walkdown and verification that required functions can be established in the alternate location. The duration for each of these TSC power outages is expected to be less than 24 hours. The NRC Operations Center will be provided an update to this notification when power has been removed and restored during this time period. The licensee has notified the NRC Resident Inspector.
On 7/16/2011 at 0707 power was removed from the TSC. If necessary, the alternate TSC is ready for use.
On 7/16/11 at 1729 EDT, power was restored to the TSC. The TSC has been restored to a normal operational status and can be utilized for emergency response. The licensee has notified the NRC Resident Inspector. R2DO (Freeman) notified.
On 7/23/11 at 0645 power was removed from the TSC. If necessary, the alternate TSC is ready for use. The licensee has notified the NRC Resident Inspector. R2DO (Sykes) notified.
(At 1613), "power has been restored to the TSC. The normal TSC can be utilized for ERO response. There are no further planned TSC outages at this time. Notified the R2DO (Sykes).
|ENS 47026||6 July 2011 09:10:00||Crystal River||NRC Region 2||B&W-L-LP||A non-licensed employee supervisor had a confirmed positive for alcohol during a for-cause fitness-for-duty test. The employee's unescorted access has been terminated. Contact the NRC Headquarters Operations Officer for additional details. The plant is currently defueled and not in refueling mode. The licensee notified the NRC Resident Inspector.|
|ENS 46722||4 April 2011 17:35:00||Crystal River||NRC Region 2||B&W-L-LP||Progress Energy Florida, Inc. has notified the Florida Public Service Commission (FPSC) that the Crystal River Unit 3 (CR-3) Nuclear Plant will remain out of service while the company conducts a thorough engineering analysis and review of a new delamination. Options to return the plant to service will be analyzed after the report is complete. The company cannot estimate a return to service date for CR-3 at this time. In mid-March, final retensioning of tendons within the CR-3 containment building was suspended while engineers investigated evidence of an additional delamination (or separation) resulting from the tendon retensioning work. The initial damage occurred in late 2009 in the concrete at the periphery of the containment building while creating an opening in the structure to facilitate the replacement of the steam generators inside. The unit was already shut down for refueling and maintenance at the time the damage was found. The plant has been shut down since September 2009 and there continues to be no threat to public health and safety. Progress Energy continues to coordinate repair and restart plans with Nuclear Regulatory Commission officials. The licensee notified the NRC Resident Inspector.|
|ENS 46673||15 March 2011 15:16:00||Crystal River||NRC Region 2||B&W-L-LP||Crystal River Unit 3 is currently shutdown. Final tendon re-tensioning activities were being conducted following repair of delaminated (separated) concrete at the periphery of the containment wall. At approximately 1311 (EDT) on March 14, 2011, an indication was received from acoustic monitoring instrumentation located on the containment wall outside the previously repaired area. Re-tensioning activities were stopped and Plant Operations verified that there were no changes in plant parameters. Non-destructive examinations were initiated and preliminary indications are that there is delaminated concrete in the area identified by the acoustic monitoring. An assessment concluded that the containment continues to maintain the closure-pressure retaining capability required for Mode 5. There continues to be no threat to the public heath and safety. Delaminated concrete at the periphery of the containment wall was created in late 2009 during the process of creating an opening in the structure to remove and replace the steam generators inside (Reference Event Report 45416). The unit was already shut down for refueling and maintenance at the time the damage was found and has remained shut down. The extent of newly discovered delaminated has not yet been determined. The licensee plans to make a press release. The licensee has notified the NRC Resident Inspector and the Florida Public Service Commission.|
|ENS 46437||24 November 2010 17:43:00||Crystal River||NRC Region 2||B&W-L-LP||During maintenance activities at Crystal River Unit 3, approximately 25 to 30 gallons of an oily water mixture was pumped from a manway/vault. A small amount of this mixture was inadvertently discharged to a storm drain that leads to the Crystal River Unit 3 outfall (discharge canal). There was a slight sheen observed at the outfall as approximately 1/2 cup of the mixture entered the outfall area. This is reportable under 40CFR110 due to a light sheen observed on the site discharge canal. Crystal River Environmental Specialists responded to the spill with a combination of sand bags, floating sorbent boom, as well as sorbent pads. After deployment of the sand bags, floating sorbent booms, and securing the pumping activities, the spill status was confirmed as ceased and contained. Notifications will be made to the Florida Department of Environmental Protection State Warning Point and the National Response Center. This is 4-hour reportable per 10 CFR 50.72(b)(2)(xi) as a situation related to protection of environment, for which government agencies will be notified. The substance discharged appears to be some sort of motor oil. Prior to pumping, a sample of the liquid was analyzed and did not contain any radioactive nuclides. The licensee has notified the NRC Resident Inspector.|
|ENS 45703||16 February 2010 17:53:00||Crystal River||NRC Region 2||B&W-L-LP||A licensed, non-supervisory employee had a confirmed positive for alcohol during a random fitness-for-duty test. The employee's unescorted access to the facility has been suspended. Contact the Headquarters Operations Officer for additional details.|
|ENS 45416||7 October 2009 19:33:00||Crystal River||NRC Region 2||B&W-L-LP||Crystal River Unit 3 is currently shutdown for a planned refueling and steam generator replacement outage. During containment building concrete removal activities to create a construction opening to support steam generator replacement, a separation in the concrete was discovered in the vicinity of the construction opening near the periphery of the containment. The Crystal River Unit 3 containment is a steel lined, post tensioned concrete structure nominally 42 inches thick. Post tensioning is achieved utilizing an outer array of horizontal tendons immediately adjacent to an inner array of vertical tendons. The separation is generally in the plane of the horizontal tendons. Inside the separation is 30 inches of concrete and the steel liner plate. This condition has been evaluated relative to current plant conditions and found to represent no degradation in safety. Crystal River Unit 3 personnel in conjunction with industry experts are currently performing a detailed analysis of this separation to determine the cause, extent of condition, the impact on the containment building function and any required repairs prior to plant restart. Operating experience reports are being prepared to share our information with the industry. The station will provide updates as we gain more information concerning this issue. The licensee notified the NRC Resident Inspector.|
|ENS 45350||14 September 2009 17:40:00||Crystal River||NRC Region 2||B&W-L-LP||On September 14, 2009, Progress Energy Environmental Services determined that approximately 200 deceased or stressed Ladyfish (Elops saurus) were observed near the banks of the Crystal River Energy Complex (CREC) discharge canal. Only Ladyfish were found stressed or deceased. Three of the stressed fish were sampled and examined by the CREC Mariculture Center to evaluate potential causes of these fish mortalities. Of the three fish examined, the only item of note was that the stomach and intestinal tracks were empty. It is likely that the runoff from recent heavy precipitation, coupled with summertime warm water temperatures and rapid salinity changes, resulted in a localized area of low dissolved oxygen and physiologic stress that affected this population of Ladyfish. There were no unusual conditions or factors associated with CREC operations that would have contributed to this event. Notification to the Florida Fish and Wildlife Conservation Commission will be made. This is reportable per 10CFR50.72(b)(2)(xi) as an event for which notification to other government agencies will be made. The licensee notified the NRC Resident Inspector.|
|ENS 45317||1 September 2009 09:10:00||Crystal River||NRC Region 2||B&W-L-LP||On July 31, 2009, (Crystal River Unit 3) personnel performed a video probe inspection of a spare safety-related Limitorque SB-3/SMB-3 actuator motor magnesium rotor and end rings. Visual indications were observed in the outboard end of the motor which were cause for rejection based on specified acceptance criteria. The specific indication was a cracked weld with dislodged metal in the outboard end of the motor. In 2007, the spare safety-related Limitorque SB-3/SMB-3 actuator motor (Motor Serial Number 7497004-001T1AL: Limitorque Part No. R-403-F04-0821) was purchased as safety-related Quality level 1 (QL-1) from AREVA under Purchase Order No. 337566. Limitorque purchased the motor from the Baldor Electric Company, doing business as the Reliance Electric Company, as commercial grade and dedicated the motor to safety related. The above evaluation was completed on August 28, 2009. The FPC director/responsible officer was notified of the above determination on August 31, 2009. The vendor (Limitorque) and the NRC Senior Resident Inspector have been notified of FPC's intent to report this issue under 10CFR21.21. The NRC Resident Inspector has been notified.|
|ENS 45286||24 August 2009 12:48:00||Crystal River||NRC Region 2||B&W-L-LP||Following completion of surveillance testing for the electrical checks of the Control Rod Drive power train, the operating crew observed that Group 7 regulating control rods unexpectedly lost power and inserted into the core. The Operators manually tripped the reactor prior to exceeding any RPS trip set point. There were no other safety system actuations and the plant is stable at normal post-trip temperature and pressure. There are seven rods in Group 7. Operators tripped the unit within 7 seconds. All rods fully inserted on the trip. The plant is removing decay heat through the main condenser and feeding generators with auxiliary feed. The licensee notified the NRC Resident Inspector.|
|ENS 44852||13 February 2009 18:26:00||Crystal River||NRC Region 2||B&W-L-LP||A non-licensed employee supervisor had a confirmed positive for illegal drugs during a follow-up fitness-for-duty test. The employee's access to the plant has been terminated. Contact the Headquarters Operations Officer for additional details.|