ML20044C963
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| ML20044C963 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 05/10/1993 |
| From: | Tuckman M DUKE POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9305140216 | |
| Download: ML20044C963 (2) | |
Similar Documents at Catawba | |
|---|---|
Category:REPORTABLE OCCURRENCE REPORT (SEE ALSO AO
MONTHYEARML20045G7421993-06-30030 June 1993
[Table view]Special Rept:On 930526,Channel 9 (SG A,Channel 2) & Channel 11 (SG C Channel 2) Declared Inoperable When Channels Failed Acceptance Criteria for Background Noise.Work Request Written to Repair Channels During Future Outage ML20044C9631993-05-10010 May 1993 Special Rept:On 930408,vibration & Loose Parts Monitoring Sys Channels 3 & 9 Declared Inoperable While Exhibiting Background Noise Lower than Previous Measurements.Work Requests Written to Repair Channel ML20044C1391993-03-0808 March 1993 Special Rept:On 930203,DG 2B Invalid Failures Occurred Due to Failure of Pneumatic Vibration Switch on Engine.Entire Pneumatic non-emergency Trip Sys in Process of Being Replaced W/Electrical Sys Per Nuclear Station Mod CN-20528 ML20044B8301993-03-0202 March 1993 Special Rept:On 930131,discovered Invalid Failure of DG Due to High Crankcase Pressure Trip.Caused by Failure of Calcon Sensor.Failed Sensor Will Be Replaced During Refueling Outage ML20024H2351991-05-21021 May 1991 Special Rept:On 910422,diesel Generator 2A Failed to Reach Required 441 RPM within 11 Seconds Due to Mispositioned Fuel Oil Strainer.Operators to Be Trained on Incident & Strainers to Be Inspected More Frequently ML20029A3301991-02-12012 February 1991 Special Rept:On 910102,Unit 1 Loose Parts Monitor Channel 11 Declared Inoperable Due to Excessive Noise on Channel Which Was Causing False Alarms.Work Request Written to Repair Channel During Future Outage of Sufficient Length ML20044A5521990-06-20020 June 1990 Special Rept:On 900521 & 0612,invalid Failure of Diesel Generators 2A & 2B Occurred During Monthly Operability Performance Test.First Event Caused by Operator Error.Second Event Caused by Depressing Voltage Control Pushbutton ML20043B1711990-05-17017 May 1990 Special Rept:On 900418,diesel Generator 2B Failure Occurred During Operability Test & Output Breaker Tripped on Reverse Power.Caused by Operator Error.Reverse Power Relays Checked & Found to Be Operating Correctly.Operator Counseled ML20042G8151990-05-0808 May 1990 Special Rept:On 900411,valid Failure of Diesel Generator 2B Occurred.Caused by Fuel Pump 2L Sticking.Helm Joints Will Be Inspected for Freedom of Movement & Clearance & Possibility of Using More Efficient Filters Will Be Evaluated ML20042F4841990-04-30030 April 1990 Special Rept Re Moderator Temp Coefficient More Positive than Limits in Tech Spec 3.1.1.3,Figure 3.1-0.Temp Rod Withdrawal Limits Imposed Until Cycle Burnup Greater than Four EFPD or Boron Concentration Less than 1,363 Ppmb ML19327B6361989-10-25025 October 1989 Special Rept:On 890920,Unit 2 Diesel Generator 2A Declared Inoperable Due to Train a of Nuclear Svc Water Sys Being Taken Out of Svc.Diesel Generator a Tripped.Caused by Drifting of Temp Sensor.Sensor Replaced ML19242D1991979-06-21021 June 1979 Significant Deficiency 79-1:during Installation of Equipment on Section of Main Control Board,Deficient Skip Weld of Wire Duct Detected.Investigation Revealed 60 Improper Welds.All Welds Will Be Repaired by 790629 1993-06-30 Category:LER) MONTHYEARML20045G7421993-06-30030 June 1993
[Table view]Special Rept:On 930526,Channel 9 (SG A,Channel 2) & Channel 11 (SG C Channel 2) Declared Inoperable When Channels Failed Acceptance Criteria for Background Noise.Work Request Written to Repair Channels During Future Outage ML20044C9631993-05-10010 May 1993 Special Rept:On 930408,vibration & Loose Parts Monitoring Sys Channels 3 & 9 Declared Inoperable While Exhibiting Background Noise Lower than Previous Measurements.Work Requests Written to Repair Channel ML20044C1391993-03-0808 March 1993 Special Rept:On 930203,DG 2B Invalid Failures Occurred Due to Failure of Pneumatic Vibration Switch on Engine.Entire Pneumatic non-emergency Trip Sys in Process of Being Replaced W/Electrical Sys Per Nuclear Station Mod CN-20528 ML20044B8301993-03-0202 March 1993 Special Rept:On 930131,discovered Invalid Failure of DG Due to High Crankcase Pressure Trip.Caused by Failure of Calcon Sensor.Failed Sensor Will Be Replaced During Refueling Outage ML20024H2351991-05-21021 May 1991 Special Rept:On 910422,diesel Generator 2A Failed to Reach Required 441 RPM within 11 Seconds Due to Mispositioned Fuel Oil Strainer.Operators to Be Trained on Incident & Strainers to Be Inspected More Frequently ML20029A3301991-02-12012 February 1991 Special Rept:On 910102,Unit 1 Loose Parts Monitor Channel 11 Declared Inoperable Due to Excessive Noise on Channel Which Was Causing False Alarms.Work Request Written to Repair Channel During Future Outage of Sufficient Length ML20044A5521990-06-20020 June 1990 Special Rept:On 900521 & 0612,invalid Failure of Diesel Generators 2A & 2B Occurred During Monthly Operability Performance Test.First Event Caused by Operator Error.Second Event Caused by Depressing Voltage Control Pushbutton ML20043B1711990-05-17017 May 1990 Special Rept:On 900418,diesel Generator 2B Failure Occurred During Operability Test & Output Breaker Tripped on Reverse Power.Caused by Operator Error.Reverse Power Relays Checked & Found to Be Operating Correctly.Operator Counseled ML20042G8151990-05-0808 May 1990 Special Rept:On 900411,valid Failure of Diesel Generator 2B Occurred.Caused by Fuel Pump 2L Sticking.Helm Joints Will Be Inspected for Freedom of Movement & Clearance & Possibility of Using More Efficient Filters Will Be Evaluated ML20042F4841990-04-30030 April 1990 Special Rept Re Moderator Temp Coefficient More Positive than Limits in Tech Spec 3.1.1.3,Figure 3.1-0.Temp Rod Withdrawal Limits Imposed Until Cycle Burnup Greater than Four EFPD or Boron Concentration Less than 1,363 Ppmb ML19327B6361989-10-25025 October 1989 Special Rept:On 890920,Unit 2 Diesel Generator 2A Declared Inoperable Due to Train a of Nuclear Svc Water Sys Being Taken Out of Svc.Diesel Generator a Tripped.Caused by Drifting of Temp Sensor.Sensor Replaced ML19242D1991979-06-21021 June 1979 Significant Deficiency 79-1:during Installation of Equipment on Section of Main Control Board,Deficient Skip Weld of Wire Duct Detected.Investigation Revealed 60 Improper Welds.All Welds Will Be Repaired by 790629 1993-06-30 Category:TEXT-SAFETY REPORT MONTHYEARML20217H0201999-09-30030 September 1999
[Table view]Monthly Operating Repts for Sept 1999 for Catawba Nuclear Station,Units 1 & 2 ML20216E5401999-09-0707 September 1999 Special Rept:On 990826,discovered That Meteorological Sys Upper Wind Speed Cup Set Broken,Causing Upper Wind Channel to Be Inoperable.Cup Set Replaced & Channel Restored to Operable Status on 990826 ML20212B4711999-08-31031 August 1999 Monthly Operating Repts for Aug 1999 for Catawba Nuclear Station,Units 1 & 2 ML20217H0321999-08-31031 August 1999 Revised Monthly Operating Rept for Aug 1999 for Catawba Nuclear Station,Units 1 & 2 ML20211B1281999-08-31031 August 1999 Dynamic Rod Worth Measurement Using Casmo/Simulate ML20211A9791999-08-20020 August 1999 Safety Evaluation Granting Licensee Request for Approval of Proposed Relief from Volumetric Exam Requirements of ASME B&PV Code,Section Xi,For Plant,Unit 2 ML20211F3441999-08-17017 August 1999 Updated non-proprietary Page 2-4 of TR DPC-NE-2009 ML20211C1291999-08-17017 August 1999 ISI Rept Unit 1 Catawba 1999 RFO 11 ML20210R1051999-08-0606 August 1999 Special Rept:On 990628,cathodic Protection Sys Was Declared Inoperable After Sys Did Not Pass Acceptance Criteria of Bimonthly Surveillance.Work Request 98085802 Was Initiated & Connections on Well Anode Were Cleaned or Replaced ML20210S2891999-07-31031 July 1999 Monthly Operating Repts for July 1999 for Catawba Nuclear Station,Units 1 & 2 ML20212B4871999-07-31031 July 1999 Revised Monthly Operating Rept for July 1999 for Catawba Nuclear Station,Units 1 & 2 ML20209E4361999-07-0909 July 1999 SER Agreeing with Licensee General Interpretation of TS LCO 3.0.6,but Finds No Technical Basis or Guidance That Snubbers Could Be Treated as Exception to General Interpretation ML20196K6631999-07-0707 July 1999 Safety Evaluation Supporting Licensee 990520 Position Re Inoperable Snubbers ML20210S2951999-06-30030 June 1999 Revised Monthly Operating Rept for June 1999 for Catawba Nuclear Station,Units 1 & 2 ML20209H4501999-06-30030 June 1999 Monthly Operating Repts for June 1999 for Catawba Nuclear Station,Units 1 & 2 ML20209H4561999-05-31031 May 1999 Revised Monthly Operating Rept for May 1999 for Catawba Nuclear Station,Units 1 & 2 ML20206T4771999-05-31031 May 1999 Rev 3 to UFSAR Chapter 15 Sys Transient Analysis Methodology ML20196L1881999-05-31031 May 1999 Non-proprietary Rev 1 to DPC-NE-3004, Mass & Energy Release & Containment Response Methodology ML20196A0001999-05-31031 May 1999 Monthly Operating Repts for May 1999 for Catawba Nuclear Station,Units 1 & 2 ML20206P5201999-05-14014 May 1999 Safety Evaluation Accepting GL 96-05, Periodic Verification of Design-Basis Capability of Safety-Related Motor-Operated Valves ML20206N8391999-05-0404 May 1999 Rev 16 to CNEI-0400-24, Catawba Unit 1 Cycle 12 Colr ML20206R1811999-04-30030 April 1999 Monthly Operating Repts for Apr 1999 for Catawba Nuclear Station,Units 1 & 2 ML20196A0041999-04-30030 April 1999 Revised Monthly Operating Repts for Apr 1999 for Catawba Nuclear Station,Units 1 & 2 ML20206N8261999-04-22022 April 1999 Rev 15 to CNEI-0400-24, Catawba Unit 1 Cycle 12 Colr. Page 145 of 270 of Incoming Submittal Not Included ML20205S5551999-04-21021 April 1999 Safety Evaluation Accepting Response to GL 96-06, Assurance of Equipment Operability & Containment Integrity During Design Basis Accident Conditions ML20205N3651999-04-12012 April 1999 Safety Evaluation Accepting IPE of External Events Submittal ML18016A9011999-04-12012 April 1999 Part 21 Rept Re Defect in Component of DSRV-16-4,Enterprise DG Sys.Caused by Potential Problem with Connecting Rod Assemblies Built Since 1986,that Have Been Converted to Use Prestressed Fasteners.Affected Rods Should Be Inspected ML20206R1931999-03-31031 March 1999 Revised Monthly Operating Repts for Apr 1999 for Catawba Nuclear Station,Units 1 & 2 ML20205P9521999-03-31031 March 1999 Monthly Operating Repts for Mar 1999 for Catawba Nuclear Station,Units 1 & 2 ML20205P9561999-02-28028 February 1999 Revised Monthly Operating Repts for Feb 1999 for Catawba Nuclear Station,Units 1 & 2 ML20204C9111999-02-28028 February 1999 Monthly Operating Repts for Feb 1999 for Catawba Nuclear Station,Units 1 & 2 ML20203A2581999-02-0505 February 1999 Safety Evaluation of TR DPC-NE-3002-A,Rev 2, UFSAR Chapter 15 Sys Transient Analysis Methodology. Rept Acceptable. Staff Requests Duke Energy Corp to Publish Accepted Version of TR within 3 Months of Receipt of SE ML20204C9161999-01-31031 January 1999 Revised Monthly Operating Repts for Jan 1999 for Catawba Nuclear Station,Units 1 & 2 ML20199K8711999-01-13013 January 1999 Inservice Insp Rept for Unit 2 Catawba 1998 Refueling Outage 9 ML20199E3071998-12-31031 December 1998 Monthly Operating Repts for Dec 1998 for Catawba Nuclear Station,Units 1 & 2 ML20216F9931998-12-31031 December 1998 Piedmont Municipal Power Agency 1998 Annual Rept ML20205E9441998-12-31031 December 1998 1998 10CFR50.59 Rept for Catawba Nuclear Station,Units 1 & 2, Containing Brief Description of Changes,Tests & Experiments,Including Summary of Ses.With ML20206P2081998-12-31031 December 1998 Special Rept:On 981218,inoperability of Meteorological Monitoring Instrumentation Channels,Was Observed.Caused by Data Logger Overloading Circuit.Replaced & Repaired Temp Signal Processor ML20203A4101998-12-22022 December 1998 Rev 16 to CNEI-0400-25, Catawba Unit 2 Cycle 10 Colr ML20203A4041998-12-22022 December 1998 Rev 14 to CNEI-0400-24, Catawba Unit 1 Cycle 11 Colr ML20198B1341998-12-14014 December 1998 Revised Special Rept:On 980505,discovered That Certain Fire Barriers Appeared to Be Degraded.Caused by Removal of Firestop Damming Boards.Hourly Fire Watches Established in Affected Areas ML20196J8351998-12-0808 December 1998 Safety Evaluation Granting Relief Request Re Relief Valves in Diesel Generator Fuel Oil Sys ML20199E3221998-11-30030 November 1998 Revised MOR for Nov 1998 for Catawba Nuclear Station,Units 1 & 2 Re Personnel Exposure ML20198E3151998-11-30030 November 1998 Monthly Operating Repts for Nov 1998 for Catawba Nuclear Station,Units 1 & 2 ML20196C0251998-11-27027 November 1998 SER Accepting Clarification on Calibration Tolerances on Trip Setpoints for Catawba Nuclear Station ML20196A6881998-11-25025 November 1998 Safety Evaluation Granting Relief Request 98-02 Re Limited Exam for Three Welds ML20196D4041998-11-19019 November 1998 Rev 1 to Special Rept:On 980618,determined That Method Used to Calibrate Wind Speed Instrumentation Loops of Meteorological Monitoring Instrumentation Sys Does Not Meet TS Definition for Channel Calibration.Procedure Revised ML20195E5521998-10-31031 October 1998 Monthly Operating Repts for Oct 1998 for Catawba Nuclear Station,Units 1 & 2 ML20198E3261998-10-31031 October 1998 Revised Monthly Operating Repts for Oct 1998 for Catawba Nuclear Station,Units 1 & 2 ML20154M7661998-10-12012 October 1998 LER 98-S01-00:on 980913,terminated Vendor Employee Entered Protected Area.Caused by Computer Interface Malfunction. Security Retained Vendor Employee Badge to Prevent Further Access & Computer Malfunction Was Repaired.With 1999-09-07 |
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