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 Issue dateTitleTopic
IR 05000282/199901419 October 1999Insp Repts 50-282/99-14 & 50-306/99-14 on 990920-22. Violations Noted.Major Areas Inspected:Heat Sink PerformanceSignificance Determination Process
IR 05000282/19990126 October 1999Insp Repts 50-282/99-12 & 50-306/99-12 on 990823-0917.No Violations Noted.Major Areas Inspected:Methods Used for Identification,Cause Investigation & Correction of Quality Related ProblemsStroke time
Systematic Assessment of Licensee Performance
Earthquake
IR 05000282/199900728 September 1999Insp Repts 50-282/99-07 & 50-306/99-07 on 990721-0831. Non-cited Violations Noted.Major Areas Inspected:Followup Y2K Readiness ReviewSignificance Determination Process
IR 05000282/199901010 September 1999Insp Repts 50-282/99-10 & 50-306/99-10 on 990809-12. Non-cited Violations Noted.Major Areas Inspected:Physical Protection Cornerstone,Within Safeguards Strategic Assessment AreaSignificance Determination Process
IR 05000282/19990119 September 1999Insp Repts 50-282/99-11 & 50-306/99-11 on 990816-20.NCV Noted.Major Areas Inspected:Public Radiation Safety & Included Review of Performance Indicators for Occupational & Public Radiation SafetyOffsite Dose Calculation Manual
Significance Determination Process
Annual Radiological Environmental Operating Report
Process Control Program
Exclusive Use
IR 05000282/199900917 August 1999Insp Repts 50-282/99-09 & 50-306/99-09 on 990719-22. Violations Noted.Major Areas Inspected:Reactor Safety, Emergency Preparedness & Review of Performance Indicators for Reactor Safety & Emergency PreparednessSiren
IR 05000282/199900612 August 1999Insp Repts 50-282/99-06 & 50-306/99-06 on 990601-0720.One NCV Occurred.Major Areas Inspected:Activities Related to Reactor Safety,Verification of Performance Indicators,Event Followup & Compliance with Commission Rules & RegulationsSafe Shutdown
Boric Acid
Temporary Modification
Significance Determination Process
IR 05000282/19993012 July 1999NRC Operator Licensing Exam Repts 50-282/99-301(OL) & 50-306/99-301(OL) (Including Completed & Graded Tests) for Tests Administered During Week of 990517-21.Two Applicants Passed All Sections of Exam & Were Issued LicensesBoric Acid
Job Performance Measure
Deep Dose Equivalent
IR 05000282/199900430 June 1999Insp Repts 50-282/99-04 & 50-306/99-04 on 990407-0531. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant SupportBoric Acid
Loop seal
Enforcement Discretion
Probabilistic Risk Assessment
Nondestructive Examination
Missed surveillance
Severe Accident Management Guideline
Earthquake
Coast down
IR 05000282/199900525 May 1999Insp Repts 50-282/99-05 & 50-306/99-05 on 990426-30.No Violations Noted.Major Areas Inspected:Review of Licensee Radiation Protection Performance During Unit 1 Refueling Outage,Shutdown Chemistry & Crud BurstHigh Radiation Area
Open House
IR 05000282/19990024 May 1999Insp Repts 50-282/99-02 & 50-306/99-02 on 990226-0406.No Violations Noted.Major Areas Inspected:Aspects of Licensee Operations,Maint,Engineering & Plant Support
IR 07200010/199900129 April 1999Insp Rept 72-0010/99-01 on 990308-0413.No Violations Noted. Major Areas Inspected:Direct Observation of Various Portions of Loading of Eighth & Ninth Dry Fuel Storage Casks from SFP to ISFSI Located Away from Main Protected Area of Site
IR 05000282/199900316 April 1999Insp Repts 50-282/99-03 & 50-306/99-03 on 990322-26.No Violations Noted.Major Areas Inspected:Physical Security Program
IR 05000282/199900118 March 1999Insp Repts 50-282/99-01 & 50-306/99-01 on 990115-0225.No Violations Noted:Licensee Operations,Maint,Engineering & Plant SupportProbabilistic Risk Assessment
IR 05000282/199802329 January 1999Insp Repts 50-282/98-23 & 50-306/98-23 on 981204-990114.No Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant SupportBoric Acid
Shutdown Margin
Packing leak
Offsite Dose Calculation Manual
Temporary Modification
Locked High Radiation Area
Scaffolding
Overexposure
PNO-III-99-001, on 990105,Unit 1 Station Auxiliary Transformer Exploded Ignited Oil Fire.Fire Extinguished within 15 Minutes by Onsite Fire Brigade.Unit 2 Operating at 60 Percent Power,Was Not Affected by Explosion & Fire6 January 1999PNO-III-99-001:on 990105,Unit 1 Station Auxiliary Transformer Exploded Ignited Oil Fire.Fire Extinguished within 15 Minutes by Onsite Fire Brigade.Unit 2 Operating at 60 Percent Power,Was Not Affected by Explosion & Fire
IR 05000282/199802018 December 1998Insp Repts 50-282/98-20 & 50-306/98-20 on 981023-1203.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant SupportBoric Acid
Stroke time
Foreign Material Exclusion
Rod Drop Event
Scaffolding
Downpower
IR 05000306/199802117 December 1998Insp Rept 50-306/98-21 on 981116-24.No Violations Noted. Major Areas Inspected:Review of Implementation of Inservice Insp Program for Plant Refueling Outage Cycle 19Nondestructive Examination
IR 05000282/19980221 December 1998Insp Repts 50-282/98-22 & 50-306/98-22 on 981116-20.No Violations Noted.Major Areas Inspected:Licensee Radiation Protection Performance During Unit 2 Refueling OutageHigh Radiation Area
IR 05000282/199801818 November 1998Insp Repts 50-282/98-18 & 50-306/98-18 on 980911-1022.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant SupportStroke time
Probabilistic Risk Assessment
Temporary Modification
Foreign Material Exclusion
PNO-III-98-051, on 981029,Prairie Island Unit 1 Automatically Tripped from 100 Percent Power Due to Negative Flux Rate Reactor Flux Rate Trip Signal.Nrc Resident Inspectors Are Monitoring Licensee Investigation & Repair Activities2 November 1998PNO-III-98-051:on 981029,Prairie Island Unit 1 Automatically Tripped from 100 Percent Power Due to Negative Flux Rate Reactor Flux Rate Trip Signal.Nrc Resident Inspectors Are Monitoring Licensee Investigation & Repair Activities
IR 05000282/199801929 October 1998Insp Repts 50-282/98-19 & 50-306/98-19 on 981013-16.No Violations Noted.Major Areas Inspected:Review of Chemistry Program Re Plant Water Quality & Analytical CapabilitiesHigh Radiation Area
Grab sample
Offsite Dose Calculation Manual
Locked High Radiation Area
Downpower
ML20154J9889 October 1998Insp Repts 50-282/98-16 & 50-306/99-16 on 980810-28. Apparent Violations Being Considered for Escalated Ea.Major Areas Inspected:Review of Fire Protection Project self- AssessmentHot Short
Safe Shutdown
Fire Barrier
Emergency Lighting
Job Performance Measure
Exemption Request
Fire Protection Program
Fire Watch
ML20154M0699 October 1998Notice of Violation from Insp on 980731-0910.Violation Noted:On 980901,maint Workers Failed to Follow Procedural Requirements,Of Sp 1180.2,Rev 8,Steps 7 & 8,when Workers Did Not Gain Access to Both Sides of Filter Bank
IR 05000282/19980159 October 1998Insp Repts 50-282/98-15 & 50-306/98-15 on 980731-0910. Violations Noted.Major Areas Inspected:Operations,Maint & EngineeringStroke time
Nondestructive Examination
Systematic Assessment of Licensee Performance
Control of Heavy Loads
IR 05000282/199801321 August 1998Insp Repts 50-282/98-13 & 50-306/98-13 on 980727-31.No Violations Noted.Major Areas Inspected:Review of Physical Security ProgramSafeguards Contingency Plan
IR 05000282/199800919 August 1998Insp Repts 50-282/98-09 & 50-306/98-09 on 980619-0730.No Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant SupportBoric Acid
High winds
Stroke time
Foreign Material Exclusion
Control of Heavy Loads
IR 05000282/199801214 August 1998Insp Repts 50-282/98-12 & 50-306/98-12 on 980720-24.No Violations Noted.Major Areas Inspected:Evaluation of Licensee Performance During Plant Biennial Exercise of Emergency Plan
IR 05000282/199801411 August 1998Insp Repts 50-282/98-14 & 50-306/98-14 on 980720-24.No Violations Noted.Major Areas Inspected:Review of Pcp,Storage & Processing of Solid Radwaste & Shipment & Disposal of Radioactive MatlProcess Control Program
Exclusive Use
ML20236P01110 July 1998Insp Repts 50-282/98-10 & 50-306/98-10 on 980605-12. Violations Noted.Major Areas inspected:on-site Insp Into Circumstances Surrounding Unit 1 Rt Due to Dropped CR & Actions Taken for Recovery to Safe Shutdown on 980605Safe Shutdown
Rod Drop Event
Moisture barrier
ML20236N99410 July 1998Notice of Violation from Insp on 980605-12.Violation Noted: on 980605,emergency Operating Procedure 1ES-0.1,rev 13 Lacked Adequate Guidance for Dumping Steam Using SG Power Operated Relief Valves W/Ms Isolation Valves Closed
ML20236G90128 June 1998Insp Repts 50-282/98-08 & 50-306/98-08 on 980512-0618.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant SupportSafe Shutdown
Boric Acid
Temporary Modification
Emergency Lighting
Systematic Assessment of Licensee Performance
Power change
PNO-III-98-032, on 980605,unit 1 Experienced Automatic Reactor Trip When Control Rod Dropped Into Reactor Core. Caused by Blown Fuse on Stationary Gripper Coil Due to Ground in Wiring to Coil9 June 1998PNO-III-98-032:on 980605,unit 1 Experienced Automatic Reactor Trip When Control Rod Dropped Into Reactor Core. Caused by Blown Fuse on Stationary Gripper Coil Due to Ground in Wiring to Coil
IR 05000282/19980075 June 1998Insp Repts 50-282/98-07 & 50-306/98-07 on 980329-0511. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant SupportTime of Discovery
Offsite Dose Calculation Manual
Enforcement Discretion
Temporary Modification
Condition Adverse to Quality
ML20248M1345 June 1998Notice of Violation from Insp on 980329-0511.Violation Noted:Licensee Identified & Took Corrective Actions of Concerns W/Potential Effects of Flooding from Feedwater Line Break on Ability of Main Isolation Valves to CloseTemporary Modification
Condition Adverse to Quality
ML20248J4974 June 1998Notice of Violation from Investigation Rept 3-97-034, Completed on 980211.Violation Noted:Suppl 2,dtd 970212,to License Amend Request,Dtd 970129, Amend of Cooling Water Sys Emergency Intake Design Basis, Was Not CompleteEarthquake
IR 05000282/199800626 May 1998Insp Repts 50-282/98-06 & 50-306/98-06 on 980330-0409.No Violations Noted.Major Areas Inspected:Conduct of Operations Which Included Continuous 72 H Period of Control Room ObservationFire Barrier
Temporary Modification
Fire Watch
ML20248B30626 May 1998Notice of Violation from Insp on 980330-0409.Violation Noted:On 980401,inspectors Observed Plant Operator Hang Secure Tag Associated W/Wo 9801216 on Number 21 Safety Injection Pump Motor Control Ctr W/O Performing Dead Test
IR 05000282/19980011 May 1998SALP Repts 50-282/98-01 & 50-306/98-01 for 960218-980328Hot Short
Temporary Modification
Emergency Lighting
Systematic Assessment of Licensee Performance
Operability Determination
Fire Protection Program
Fire Watch
IR 05000282/19980056 April 1998Insp Repts 50-282/98-05 & 50-306/98-05 on 980225-0328.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint & EngineeringFire Barrier
Nondestructive Examination
Foreign Material Exclusion
Operability Determination
Downpower
Operability Assessment
IR 05000282/19980041 April 1998Insp Repts 50-282/98-04 & 50-306/98-04 on 980210-13 & 0316-20.No Violations Noted.Major Areas Inspected:Rp Performance During Unit 1 Refueling Outage & Unit 2 Forced Outage,Calibration of Radiation Monitoring SysReactor Vessel Water Level
High Radiation Area
Post Accident Monitoring
Job Performance Measure
Foreign Material Exclusion
ML20216E48412 March 1998Insp Repts 50-282/98-03 & 50-306/98-03 on 980114-0224. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant SupportSafe Shutdown
Enforcement Discretion
Nondestructive Examination
Temporary Modification
Missed surveillance
ML20216E46212 March 1998Notice of Violation from Insp on 980114-0224.Violation Noted:On 980121,instructions in Work Order 9800310, Isolate Breaker 1H3, Were Not Appropriate to Circumstances Because Loss of Offsite Power Source to Unit 2 Occurred
PNO-III-98-011A, on 980124,licensee Shut Down Unit 2 to Investigate Reactor Coolant Leak Associated with Control Rod Drive Mechanism G-9.Licensee Identified Source of Leak as 3/4 Inch through-wall Crack in Manufacturing Weld13 February 1998PNO-III-98-011A:on 980124,licensee Shut Down Unit 2 to Investigate Reactor Coolant Leak Associated with Control Rod Drive Mechanism G-9.Licensee Identified Source of Leak as 3/4 Inch through-wall Crack in Manufacturing Weld
ML20202C04530 January 1998Notice of Violation from Insp on 971203-980113.Violation Noted:On 971210,Maint Procedure D32,Rev 6,was Not Allowed for Unit 1 When RO & Nuclear Engineer Coordinating Procedure on Two Occasions,Failed to Do Five Degree Cooldown & Heatup
ML20202C05830 January 1998Insp Repts 50-282/97-23 & 50-306/97-23 on 971203-980113. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant SupportSafe Shutdown
Time of Discovery
PNO-III-98-011, on 980123,unidentified Leakage Increased by Approx 10 to 0.2 Gallons Per Minute.Licensee Began Preparations to Shut Down & Repair Leak in Canopy Seal26 January 1998PNO-III-98-011:on 980123,unidentified Leakage Increased by Approx 10 to 0.2 Gallons Per Minute.Licensee Began Preparations to Shut Down & Repair Leak in Canopy Seal
ML20198A44423 December 1997Insp Repts 50-282/97-19 & 50-306/97-19 on 970929-1003,21-23 & 1202.Violations Noted.Major Areas Inspected:Licensed Reactor Operator & SRO Requalification Training ProgramSafe Shutdown
Job Performance Measure
Fire Protection Program
ML20198A41723 December 1997Notice of Violation from Insp on 970929-1003.Violations Noted:On 960724,licensee Implemented Procedure Swi O-10, Operations Manual Usage, Rev 28,section 6.11.9,which Contained Inadequate InstructionsFire Protection Program
IR 05000282/199702115 December 1997Insp Repts 50-282/97-21 & 50-306/97-21 on 971022-1202.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant SupportSafe Shutdown
Boric Acid
Nondestructive Examination
Control of Heavy Loads
Scaffolding
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