Insp Repts 50-454/99-01 & 50-455/99-01 on 990119-22.No Violations Noted.Major Areas Inspected:Adequacy of Licensee Programs,Procedures,Equipment & Supporting Documentation for Maint of Medium Voltage & Low Voltage Circuit BreakersML20203G821 |
Person / Time |
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Site: |
Byron ![Constellation icon.png](/w/images/b/be/Constellation_icon.png) |
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Issue date: |
02/11/1999 |
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From: |
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
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To: |
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Shared Package |
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ML20203G805 |
List: |
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References |
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50-454-99-01, 50-454-99-1, 50-455-99-01, 50-455-99-1, NUDOCS 9902220073 |
Download: ML20203G821 (13) |
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Similar Documents at Byron |
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Category:INSPECTION REPORT
MONTHYEARIR 05000454/19990121999-10-0808 October 1999 Insp Repts 50-454/99-12 & 50-455/99-12 on 990803-0916.One NCV Occurred.Major Areas Inspected:Operations,Engineering, Maint/Surveillance & Plant Support IR 05000454/19990161999-10-0101 October 1999 Insp Repts 50-454/99-16 & 50-455/99-16 on 990907-10.No Violations Noted.Major Areas Inspected:Radiation Protection & Chemistry Program Included Water Chemistry Control Program & Chemistry Instrument Quality Control Program IR 05000454/19990151999-09-30030 September 1999 Revised Pages Eight Through Eleven to Insp Repts 50-454/99-15 & 50-455/99-15,correcting Inaccuracies with Docket Numbers & Tracking Numbers IR 05000454/19990141999-09-17017 September 1999 Insp Repts 50-454/99-14 & 50-455/99-14 on 990823-27.No Violations Noted.Major Areas Inspected:Physical Security Program ML20211P2001999-09-0808 September 1999 Insp Repts 50-454/99-15 & 50-455/99-15 on 990824-26.No Violations Noted.Major Areas Inspected:Evaluation of Licensee Performance During Exercise of EP IR 05000454/19990101999-08-25025 August 1999 Insp Repts 50-454/99-10 & 50-455/99-10 on 990622-0802.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000254/19990101999-08-20020 August 1999 Insp Repts 50-254/99-10,50-265/99-10,50-454/99-09, 50-455/99-09,50-456/99-10 & 50-457/99-10 on 990628-0721. Major Areas Inspected:Licensee C/A Approach & Implementation of Configuration Control Processes at Each Site IR 05000454/19990081999-07-16016 July 1999 Insp Repts 50-454/99-08 & 50-455/99-08 on 990511-0621.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990041999-06-0404 June 1999 Insp Repts 50-454/99-04 & 50-455/99-04 on 990330-0510.No Violations Noted.Major Areas Inspected:Operations,Maint & Surveillance & Plant Support IR 05000454/19990071999-05-28028 May 1999 Insp Repts 50-454/99-07 & 50-455/99-07 on 990517-20.No Violations Noted.Major Areas Inspected:Fire Protection Program,Aspect of Plant Support IR 05000454/19990051999-05-20020 May 1999 Insp Rept 50-454/99-05 on 990401-22.No Violations Noted. Major Areas Inspected:Adequacy of Licensee Programs, Procedures,Equipment & Supporting Documentation for ISI Program IR 05000454/19990061999-05-19019 May 1999 Insp Repts 50-454/99-06 & 50-455/99-06 on 990419-23.No Violations Noted.Major Areas Inspected:Liquid & Gaseous Effluent Program,Radiological Environ Monitoring Program, Auditing Program & Outage Activities IR 05000454/19990031999-04-14014 April 1999 Insp Repts 50-454/99-03 & 50-455/99-03 on 990217-0329. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990021999-03-10010 March 1999 Insp Repts 50-454/99-02 & 50-455/99-02 on 990105-0216.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990011999-02-11011 February 1999 Insp Repts 50-454/99-01 & 50-455/99-01 on 990119-22.No Violations Noted.Major Areas Inspected:Adequacy of Licensee Programs,Procedures,Equipment & Supporting Documentation for Maint of Medium Voltage & Low Voltage Circuit Breakers IR 05000454/19980251999-01-19019 January 1999 Insp Repts 50-454/98-25 & 50-455/98-25 on 981124-990104.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19980241998-12-30030 December 1998 Insp Repts 50-454/98-24 & 50-455/98-24 on 981130-1204.No Violations Noted.Major Areas Inspected:Ro & SRO Requalification Programs,Review of Training Administrative Procedures & Written & Operating Exam Matl IR 05000454/19980201998-12-18018 December 1998 Insp Repts 50-454/98-20 & 50-455/98-20 on 981006-1123.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19980231998-12-17017 December 1998 Insp Repts 50-454/98-23 & 50-455/98-23 on 981116-17.No Violations Noted.Major Areas Inspected:Verification of Adequacy of Training to Plant Operators in Dealing with Fluctuations in Electric Grid Stability IR 05000454/19980221998-12-10010 December 1998 Partially Withheld Insp Repts 50-454/98-22 & 50-455/98-22 on 981116-20 (Ref 10CFR73.21).No Violations Noted.Major Areas Inspected:Selected Aspects of Physical Security Program & Testing of Licensee Access Control Equipment IR 05000454/19980211998-11-0505 November 1998 Insp Repts 50-454/98-21 & 50-455/98-21 on 981013-16.No Violations Noted.Major Areas Inspected:Alara Planning & Radiation Work Permit Programs & Whole Body Counting & Screening Programs IR 05000454/19980191998-10-29029 October 1998 Insp Repts 50-454/98-19 & 50-455/98-19 on 980825-1005.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19980171998-09-18018 September 1998 Insp Repts 50-454/98-17 & 50-455/98-17 on 980714-0824.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint & Engineering IR 05000454/19980161998-07-31031 July 1998 Insp Repts 50-454/98-16 & 50-455/98-16 on 980713-17.No Violations Noted.Major Areas Inspected:Security Equipment Maint,Procedure & Records Review,Personnel Performance, Self Assessment & Previously Identified Issues IR 05000454/19980141998-07-31031 July 1998 Insp Repts 50-454/98-14 & 50-455/98-14 on 980531-0713. Violations Noted.Major Areas Inspected:Operations, Maint/Surveillance,Engineering & Plant Support IR 05000454/19980151998-07-22022 July 1998 Insp Repts 50-454/98-15 & 50-455/98-15 on 980706-09.No Violations Noted.Major Areas inspected:follow-up of April 1997 Maintenance Rule Baseline Insp That Reviewed Licensee Implementation of 10CFR50.65 ML20236H0321998-06-29029 June 1998 Insp Repts 50-454/98-11 & 50-455/98-11 on 980407-0530. Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support IR 05000454/19980101998-05-28028 May 1998 Insp Repts 50-454/98-10 & 50-455/98-10 on 980403-27 & 0506. Violations Noted.Major Areas Inspected:Review of Radiation Protection Program IR 05000454/19980131998-05-26026 May 1998 Insp Repts 50-454/98-13 & 50-455/98-13 on 980415-0508. Violations Noted.Major Areas Inspected:Plant Support ML20217R0141998-05-0505 May 1998 Insp Repts 50-454/98-09 & 50-455/98-09 on 980223-0406. Violations Noted.Major Areas Inspected:Operation, Maint Surveillance & Plant Support ML20217E8671998-03-27027 March 1998 Insp Repts 50-454/98-04 & 50-455/98-04 on 980120-0210. Violations Noted.Major Areas Inspected:Engineering,Technical Support & Self Assessment Activities ML20217E5501998-03-26026 March 1998 Insp Rept 50-454/97-21 on 970919-980228.Violations Noted. Major Areas Inspected:Observations of Operations Training, Preparation for SG Replacement,Maint/Construction Activities & Review of Engineering & Quality Assurance IR 05000454/19980081998-03-20020 March 1998 Insp Repts 50-454/98-08 & 50-455/98-08 on 980302-06. Violations Noted.Major Areas Inspected:Transportation & Solid Radioactive Waste Programs IR 05000454/19980051998-03-16016 March 1998 Insp Repts 50-454/98-05 & 50-455/98-05 on 980113-0223. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19980071998-03-13013 March 1998 Insp Repts 50-454/98-07 & 50-455/98-07 on 980217-25.No Violations Noted.Major Areas Inspected:Various Aspects of Physical Security Program IR 05000454/19980061998-02-17017 February 1998 Insp Repts 50-454/98-06 & 50-455/98-06 on 980120-23 & 26. Noncited Violation Identified.Major Areas Inspected:Review of Radiation Protection Program IR 05000454/19980031998-02-11011 February 1998 Insp Repts 50-454/98-03 & 50-455/98-03 on 980108-27.No Violations Noted.Major Areas Inspected:Review of Security Measures Implemented to Support SG Replacement Project ML20202B9931998-02-0303 February 1998 Insp Repts 50-454/97-24 & 50-455/97-24 on 971202-980112. Violations Noted.Major Areas Inspected:Operations Maint/Surveillance Engineering & Plant Support IR 05000454/19980021998-01-21021 January 1998 Insp Repts 50-454/98-02 & 50-455/98-02 on 980105-09.No Violations Noted.Major Areas Inspected:Review of Emergency Preparedness Program & Aspect of Plant Support IR 05000454/19970231998-01-14014 January 1998 Insp Repts 50-454/97-23 & 50-455/97-23 on 971117-1218. Violations Noted.Major Areas Inspected:Radiological Protection & Chemistry (Rp&C) Controls & Staff Knowledge & Performance in Rp&C ML20199J9091997-12-24024 December 1997 Insp Repts 50-454/97-22 & 50-455/97-22 on 971017-1201. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19970201997-12-0404 December 1997 Insp Repts 50-454/97-20 & 50-455/97-20 on 970909-1016. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support & Security Event That Occurred on 970815 IR 05000454/19970131997-10-30030 October 1997 Insp Rept 50-454/97-13 on 970811-0918.Violations Noted.Major Areas Inspected:Engineering & Plant Efforts for Upcoming Unit 1 SG Replacement Project IR 05000454/19970151997-10-20020 October 1997 Insp Repts 50-454/97-15 & 50-455/97-15 on 970725-0908. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19970191997-10-0202 October 1997 Insp Repts 50-454/97-19 & 50-455/97-19 on 970908-18. Violations Noted & Being Considered for Escalated Enforcement Action.Major Areas Inspected:Several post-fire Safe Shutdown Issues IR 05000454/19970171997-10-0101 October 1997 Insp Repts 50-454/97-17 & 50-455/97-17 on 970825-0912. Violations Noted.Major Areas Inspected:Review of Radiation Protection Program & Planning for SG Replacement Project IR 05000454/19970161997-09-30030 September 1997 Insp Repts 50-454/97-16 & 50-455/97-16 on 970612-0918. Violations Noted.Major Areas Inspected:Review of NRC follow-up Items,Problem Identification Forms,Qa C/A Repts & Emphasis on EOPs & EOP Operator Response Times IR 05000454/19970121997-08-22022 August 1997 Insp Repts 50-454/97-12 & 50-455/97-12 on 970613-0724.No Violations Noted.Major Areas Inspected:Licensee Operations, Engineering,Maint & Plant Support IR 05000454/19970141997-08-0101 August 1997 Insp Repts 50-454/97-14 & 50-455/97-14 on 970714-18.No Violations Noted.Major Areas Inspected:Review of Effluent Radiation Monitoring Sys,Cr & Auxiliary Bldg Filtered HVAC & REMP IR 05000454/19970111997-08-0101 August 1997 Insp Repts 50-454/97-11 & 50-455/97-11 on 970630-0707. Violations Noted.Major Areas Inspected:Insp Included Review of Physical Security Program 1999-09-08
[Table view] Category:NRC-GENERATED
MONTHYEARIR 05000454/19990121999-10-0808 October 1999 Insp Repts 50-454/99-12 & 50-455/99-12 on 990803-0916.One NCV Occurred.Major Areas Inspected:Operations,Engineering, Maint/Surveillance & Plant Support IR 05000454/19990161999-10-0101 October 1999 Insp Repts 50-454/99-16 & 50-455/99-16 on 990907-10.No Violations Noted.Major Areas Inspected:Radiation Protection & Chemistry Program Included Water Chemistry Control Program & Chemistry Instrument Quality Control Program IR 05000454/19990151999-09-30030 September 1999 Revised Pages Eight Through Eleven to Insp Repts 50-454/99-15 & 50-455/99-15,correcting Inaccuracies with Docket Numbers & Tracking Numbers IR 05000454/19990141999-09-17017 September 1999 Insp Repts 50-454/99-14 & 50-455/99-14 on 990823-27.No Violations Noted.Major Areas Inspected:Physical Security Program ML20211P2001999-09-0808 September 1999 Insp Repts 50-454/99-15 & 50-455/99-15 on 990824-26.No Violations Noted.Major Areas Inspected:Evaluation of Licensee Performance During Exercise of EP IR 05000454/19990101999-08-25025 August 1999 Insp Repts 50-454/99-10 & 50-455/99-10 on 990622-0802.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000254/19990101999-08-20020 August 1999 Insp Repts 50-254/99-10,50-265/99-10,50-454/99-09, 50-455/99-09,50-456/99-10 & 50-457/99-10 on 990628-0721. Major Areas Inspected:Licensee C/A Approach & Implementation of Configuration Control Processes at Each Site IR 05000454/19990081999-07-16016 July 1999 Insp Repts 50-454/99-08 & 50-455/99-08 on 990511-0621.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990041999-06-0404 June 1999 Insp Repts 50-454/99-04 & 50-455/99-04 on 990330-0510.No Violations Noted.Major Areas Inspected:Operations,Maint & Surveillance & Plant Support IR 05000454/19990071999-05-28028 May 1999 Insp Repts 50-454/99-07 & 50-455/99-07 on 990517-20.No Violations Noted.Major Areas Inspected:Fire Protection Program,Aspect of Plant Support IR 05000454/19990051999-05-20020 May 1999 Insp Rept 50-454/99-05 on 990401-22.No Violations Noted. Major Areas Inspected:Adequacy of Licensee Programs, Procedures,Equipment & Supporting Documentation for ISI Program IR 05000454/19990061999-05-19019 May 1999 Insp Repts 50-454/99-06 & 50-455/99-06 on 990419-23.No Violations Noted.Major Areas Inspected:Liquid & Gaseous Effluent Program,Radiological Environ Monitoring Program, Auditing Program & Outage Activities IR 05000454/19990031999-04-14014 April 1999 Insp Repts 50-454/99-03 & 50-455/99-03 on 990217-0329. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990021999-03-10010 March 1999 Insp Repts 50-454/99-02 & 50-455/99-02 on 990105-0216.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990011999-02-11011 February 1999 Insp Repts 50-454/99-01 & 50-455/99-01 on 990119-22.No Violations Noted.Major Areas Inspected:Adequacy of Licensee Programs,Procedures,Equipment & Supporting Documentation for Maint of Medium Voltage & Low Voltage Circuit Breakers IR 05000454/19980251999-01-19019 January 1999 Insp Repts 50-454/98-25 & 50-455/98-25 on 981124-990104.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19980241998-12-30030 December 1998 Insp Repts 50-454/98-24 & 50-455/98-24 on 981130-1204.No Violations Noted.Major Areas Inspected:Ro & SRO Requalification Programs,Review of Training Administrative Procedures & Written & Operating Exam Matl IR 05000454/19980201998-12-18018 December 1998 Insp Repts 50-454/98-20 & 50-455/98-20 on 981006-1123.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19980231998-12-17017 December 1998 Insp Repts 50-454/98-23 & 50-455/98-23 on 981116-17.No Violations Noted.Major Areas Inspected:Verification of Adequacy of Training to Plant Operators in Dealing with Fluctuations in Electric Grid Stability IR 05000454/19980221998-12-10010 December 1998 Partially Withheld Insp Repts 50-454/98-22 & 50-455/98-22 on 981116-20 (Ref 10CFR73.21).No Violations Noted.Major Areas Inspected:Selected Aspects of Physical Security Program & Testing of Licensee Access Control Equipment IR 05000454/19980211998-11-0505 November 1998 Insp Repts 50-454/98-21 & 50-455/98-21 on 981013-16.No Violations Noted.Major Areas Inspected:Alara Planning & Radiation Work Permit Programs & Whole Body Counting & Screening Programs IR 05000454/19980191998-10-29029 October 1998 Insp Repts 50-454/98-19 & 50-455/98-19 on 980825-1005.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19980171998-09-18018 September 1998 Insp Repts 50-454/98-17 & 50-455/98-17 on 980714-0824.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint & Engineering IR 05000454/19980161998-07-31031 July 1998 Insp Repts 50-454/98-16 & 50-455/98-16 on 980713-17.No Violations Noted.Major Areas Inspected:Security Equipment Maint,Procedure & Records Review,Personnel Performance, Self Assessment & Previously Identified Issues IR 05000454/19980141998-07-31031 July 1998 Insp Repts 50-454/98-14 & 50-455/98-14 on 980531-0713. Violations Noted.Major Areas Inspected:Operations, Maint/Surveillance,Engineering & Plant Support IR 05000454/19980151998-07-22022 July 1998 Insp Repts 50-454/98-15 & 50-455/98-15 on 980706-09.No Violations Noted.Major Areas inspected:follow-up of April 1997 Maintenance Rule Baseline Insp That Reviewed Licensee Implementation of 10CFR50.65 ML20236H0321998-06-29029 June 1998 Insp Repts 50-454/98-11 & 50-455/98-11 on 980407-0530. Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support IR 05000454/19980101998-05-28028 May 1998 Insp Repts 50-454/98-10 & 50-455/98-10 on 980403-27 & 0506. Violations Noted.Major Areas Inspected:Review of Radiation Protection Program IR 05000454/19980131998-05-26026 May 1998 Insp Repts 50-454/98-13 & 50-455/98-13 on 980415-0508. Violations Noted.Major Areas Inspected:Plant Support ML20217R0141998-05-0505 May 1998 Insp Repts 50-454/98-09 & 50-455/98-09 on 980223-0406. Violations Noted.Major Areas Inspected:Operation, Maint Surveillance & Plant Support ML20217E8671998-03-27027 March 1998 Insp Repts 50-454/98-04 & 50-455/98-04 on 980120-0210. Violations Noted.Major Areas Inspected:Engineering,Technical Support & Self Assessment Activities ML20217E5501998-03-26026 March 1998 Insp Rept 50-454/97-21 on 970919-980228.Violations Noted. Major Areas Inspected:Observations of Operations Training, Preparation for SG Replacement,Maint/Construction Activities & Review of Engineering & Quality Assurance IR 05000454/19980081998-03-20020 March 1998 Insp Repts 50-454/98-08 & 50-455/98-08 on 980302-06. Violations Noted.Major Areas Inspected:Transportation & Solid Radioactive Waste Programs IR 05000454/19980051998-03-16016 March 1998 Insp Repts 50-454/98-05 & 50-455/98-05 on 980113-0223. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19980071998-03-13013 March 1998 Insp Repts 50-454/98-07 & 50-455/98-07 on 980217-25.No Violations Noted.Major Areas Inspected:Various Aspects of Physical Security Program IR 05000454/19980061998-02-17017 February 1998 Insp Repts 50-454/98-06 & 50-455/98-06 on 980120-23 & 26. Noncited Violation Identified.Major Areas Inspected:Review of Radiation Protection Program IR 05000454/19980031998-02-11011 February 1998 Insp Repts 50-454/98-03 & 50-455/98-03 on 980108-27.No Violations Noted.Major Areas Inspected:Review of Security Measures Implemented to Support SG Replacement Project ML20202B9931998-02-0303 February 1998 Insp Repts 50-454/97-24 & 50-455/97-24 on 971202-980112. Violations Noted.Major Areas Inspected:Operations Maint/Surveillance Engineering & Plant Support IR 05000454/19980021998-01-21021 January 1998 Insp Repts 50-454/98-02 & 50-455/98-02 on 980105-09.No Violations Noted.Major Areas Inspected:Review of Emergency Preparedness Program & Aspect of Plant Support IR 05000454/19970231998-01-14014 January 1998 Insp Repts 50-454/97-23 & 50-455/97-23 on 971117-1218. Violations Noted.Major Areas Inspected:Radiological Protection & Chemistry (Rp&C) Controls & Staff Knowledge & Performance in Rp&C ML20199J9091997-12-24024 December 1997 Insp Repts 50-454/97-22 & 50-455/97-22 on 971017-1201. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19970201997-12-0404 December 1997 Insp Repts 50-454/97-20 & 50-455/97-20 on 970909-1016. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support & Security Event That Occurred on 970815 IR 05000454/19970131997-10-30030 October 1997 Insp Rept 50-454/97-13 on 970811-0918.Violations Noted.Major Areas Inspected:Engineering & Plant Efforts for Upcoming Unit 1 SG Replacement Project IR 05000454/19970151997-10-20020 October 1997 Insp Repts 50-454/97-15 & 50-455/97-15 on 970725-0908. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19970191997-10-0202 October 1997 Insp Repts 50-454/97-19 & 50-455/97-19 on 970908-18. Violations Noted & Being Considered for Escalated Enforcement Action.Major Areas Inspected:Several post-fire Safe Shutdown Issues IR 05000454/19970171997-10-0101 October 1997 Insp Repts 50-454/97-17 & 50-455/97-17 on 970825-0912. Violations Noted.Major Areas Inspected:Review of Radiation Protection Program & Planning for SG Replacement Project IR 05000454/19970161997-09-30030 September 1997 Insp Repts 50-454/97-16 & 50-455/97-16 on 970612-0918. Violations Noted.Major Areas Inspected:Review of NRC follow-up Items,Problem Identification Forms,Qa C/A Repts & Emphasis on EOPs & EOP Operator Response Times IR 05000454/19970121997-08-22022 August 1997 Insp Repts 50-454/97-12 & 50-455/97-12 on 970613-0724.No Violations Noted.Major Areas Inspected:Licensee Operations, Engineering,Maint & Plant Support IR 05000454/19970141997-08-0101 August 1997 Insp Repts 50-454/97-14 & 50-455/97-14 on 970714-18.No Violations Noted.Major Areas Inspected:Review of Effluent Radiation Monitoring Sys,Cr & Auxiliary Bldg Filtered HVAC & REMP IR 05000454/19970111997-08-0101 August 1997 Insp Repts 50-454/97-11 & 50-455/97-11 on 970630-0707. Violations Noted.Major Areas Inspected:Insp Included Review of Physical Security Program 1999-09-08
[Table view] Category:TEXT-INSPECTION & AUDIT & I&E CIRCULARS
MONTHYEARIR 05000454/19990121999-10-0808 October 1999 Insp Repts 50-454/99-12 & 50-455/99-12 on 990803-0916.One NCV Occurred.Major Areas Inspected:Operations,Engineering, Maint/Surveillance & Plant Support IR 05000454/19990161999-10-0101 October 1999 Insp Repts 50-454/99-16 & 50-455/99-16 on 990907-10.No Violations Noted.Major Areas Inspected:Radiation Protection & Chemistry Program Included Water Chemistry Control Program & Chemistry Instrument Quality Control Program IR 05000454/19990151999-09-30030 September 1999 Revised Pages Eight Through Eleven to Insp Repts 50-454/99-15 & 50-455/99-15,correcting Inaccuracies with Docket Numbers & Tracking Numbers IR 05000454/19990141999-09-17017 September 1999 Insp Repts 50-454/99-14 & 50-455/99-14 on 990823-27.No Violations Noted.Major Areas Inspected:Physical Security Program ML20211P2001999-09-0808 September 1999 Insp Repts 50-454/99-15 & 50-455/99-15 on 990824-26.No Violations Noted.Major Areas Inspected:Evaluation of Licensee Performance During Exercise of EP PNO-III-99-041, on 990902,employees at Station Reported Feeling Ground Motion Associated with Earthquake.Plant Staff Checked Plant Sys & Equipment & No Evidence of Damage Was Found1999-09-0303 September 1999 PNO-III-99-041:on 990902,employees at Station Reported Feeling Ground Motion Associated with Earthquake.Plant Staff Checked Plant Sys & Equipment & No Evidence of Damage Was Found IR 05000454/19990101999-08-25025 August 1999 Insp Repts 50-454/99-10 & 50-455/99-10 on 990622-0802.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000254/19990101999-08-20020 August 1999 Insp Repts 50-254/99-10,50-265/99-10,50-454/99-09, 50-455/99-09,50-456/99-10 & 50-457/99-10 on 990628-0721. Major Areas Inspected:Licensee C/A Approach & Implementation of Configuration Control Processes at Each Site IR 05000454/19990081999-07-16016 July 1999 Insp Repts 50-454/99-08 & 50-455/99-08 on 990511-0621.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990041999-06-0404 June 1999 Insp Repts 50-454/99-04 & 50-455/99-04 on 990330-0510.No Violations Noted.Major Areas Inspected:Operations,Maint & Surveillance & Plant Support IR 05000454/19990071999-05-28028 May 1999 Insp Repts 50-454/99-07 & 50-455/99-07 on 990517-20.No Violations Noted.Major Areas Inspected:Fire Protection Program,Aspect of Plant Support IR 05000454/19990051999-05-20020 May 1999 Insp Rept 50-454/99-05 on 990401-22.No Violations Noted. Major Areas Inspected:Adequacy of Licensee Programs, Procedures,Equipment & Supporting Documentation for ISI Program IR 05000454/19990061999-05-19019 May 1999 Insp Repts 50-454/99-06 & 50-455/99-06 on 990419-23.No Violations Noted.Major Areas Inspected:Liquid & Gaseous Effluent Program,Radiological Environ Monitoring Program, Auditing Program & Outage Activities IR 05000454/19990031999-04-14014 April 1999 Insp Repts 50-454/99-03 & 50-455/99-03 on 990217-0329. Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990021999-03-10010 March 1999 Insp Repts 50-454/99-02 & 50-455/99-02 on 990105-0216.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19990011999-02-11011 February 1999 Insp Repts 50-454/99-01 & 50-455/99-01 on 990119-22.No Violations Noted.Major Areas Inspected:Adequacy of Licensee Programs,Procedures,Equipment & Supporting Documentation for Maint of Medium Voltage & Low Voltage Circuit Breakers ML20199H8811999-01-19019 January 1999 Notice of Violation from Insp on 981124-990104.Violation Noted:From 871029 to 981123,test Controls for Stroke Time Testing of AFW Pump Discharge Valves Were Not Properly Established IR 05000454/19980251999-01-19019 January 1999 Insp Repts 50-454/98-25 & 50-455/98-25 on 981124-990104.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19980241998-12-30030 December 1998 Insp Repts 50-454/98-24 & 50-455/98-24 on 981130-1204.No Violations Noted.Major Areas Inspected:Ro & SRO Requalification Programs,Review of Training Administrative Procedures & Written & Operating Exam Matl IR 05000454/19980201998-12-18018 December 1998 Insp Repts 50-454/98-20 & 50-455/98-20 on 981006-1123.No Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19980231998-12-17017 December 1998 Insp Repts 50-454/98-23 & 50-455/98-23 on 981116-17.No Violations Noted.Major Areas Inspected:Verification of Adequacy of Training to Plant Operators in Dealing with Fluctuations in Electric Grid Stability IR 05000454/19980221998-12-10010 December 1998 Partially Withheld Insp Repts 50-454/98-22 & 50-455/98-22 on 981116-20 (Ref 10CFR73.21).No Violations Noted.Major Areas Inspected:Selected Aspects of Physical Security Program & Testing of Licensee Access Control Equipment IR 05000454/19980211998-11-0505 November 1998 Insp Repts 50-454/98-21 & 50-455/98-21 on 981013-16.No Violations Noted.Major Areas Inspected:Alara Planning & Radiation Work Permit Programs & Whole Body Counting & Screening Programs IR 05000454/19983011998-11-0303 November 1998 NRC Operator Licensing Exam Repts 50-454/98-301(OL) & 50-455/98-301(OL) for Tests Administered on 980914-22.Out of Five License Applicants,One SRO Passed All Portions of Exam. Two RO & Two SRO Applicants Failed Portions of Exam IR 05000454/19980191998-10-29029 October 1998 Insp Repts 50-454/98-19 & 50-455/98-19 on 980825-1005.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint,Engineering & Plant Support IR 05000454/19980171998-09-18018 September 1998 Insp Repts 50-454/98-17 & 50-455/98-17 on 980714-0824.No Violations Noted.Major Areas Inspected:Licensee Operations, Maint & Engineering ML20153D7701998-09-18018 September 1998 Notice of Violation from Insp on 980714-0824.Violation Noted:During 980616-18,AP 1100-3,Rev 11,inappropriate to Circumstances,In That Procedural Guidance Led to Belief That Main CR Ventilation Envelope Altered When CR Doors Opened ML20236W2081998-07-31031 July 1998 Notice of Violation from Insp on 980531-0713.Violation Noted:As of 980713,SF Storage Pool Design Would Not Have Prevented Inadvertent Draining Below 423 Feet 2 Inches IR 05000454/19980161998-07-31031 July 1998 Insp Repts 50-454/98-16 & 50-455/98-16 on 980713-17.No Violations Noted.Major Areas Inspected:Security Equipment Maint,Procedure & Records Review,Personnel Performance, Self Assessment & Previously Identified Issues IR 05000454/19980141998-07-31031 July 1998 Insp Repts 50-454/98-14 & 50-455/98-14 on 980531-0713. Violations Noted.Major Areas Inspected:Operations, Maint/Surveillance,Engineering & Plant Support IR 05000454/19980151998-07-22022 July 1998 Insp Repts 50-454/98-15 & 50-455/98-15 on 980706-09.No Violations Noted.Major Areas inspected:follow-up of April 1997 Maintenance Rule Baseline Insp That Reviewed Licensee Implementation of 10CFR50.65 ML20236H0291998-06-29029 June 1998 Notice of Violation from Insp on 980407-0530.Violation Noted:On 980502,OOS 970012670 Not Sufficient to Isolate Equipment Being Worked on ML20236H0321998-06-29029 June 1998 Insp Repts 50-454/98-11 & 50-455/98-11 on 980407-0530. Violations Noted.Major Areas Inspected:Operations, Maintenance,Engineering & Plant Support ML20248C0441998-05-28028 May 1998 Notice of Violation from Insp on 980403-27 & 0506.Violations Noted:Radiologically Posted Area Established for sodium-24 Used in Moisture Carryover Test Was Not Posted W/Sign Bearing Radiation Symbol & Listed Words IR 05000454/19980101998-05-28028 May 1998 Insp Repts 50-454/98-10 & 50-455/98-10 on 980403-27 & 0506. Violations Noted.Major Areas Inspected:Review of Radiation Protection Program IR 05000454/19980131998-05-26026 May 1998 Insp Repts 50-454/98-13 & 50-455/98-13 on 980415-0508. Violations Noted.Major Areas Inspected:Plant Support ML20248B0931998-05-26026 May 1998 Notice of Violation from Insp on 980415-0508.Violation Noted:Ffd Program Was Not Appropriately Implemented ML20248C7271998-05-21021 May 1998 Errata to Notice of Violation from Insp on 980113-0223 W/Combined Violations ML20217Q9671998-05-0505 May 1998 Notice of Violation from Insp on 980224-0406.Violations Noted:Unit 1 Changed Operational Mode from Mode 5 to Mode 4 When Conditions for LCO of TS 3.4.6.1.b Were Not Met & Associated Action Required Shutdown within Specified Time ML20217R0141998-05-0505 May 1998 Insp Repts 50-454/98-09 & 50-455/98-09 on 980223-0406. Violations Noted.Major Areas Inspected:Operation, Maint Surveillance & Plant Support ML20217E8421998-03-27027 March 1998 Notice of Violation from Insp on 980120-0210.Violation Noted:On 960607,team Identified That Field Change Request (Fcr) 960062 Was Not Subjected to Design Control Measures Commensurate W/Measures Applied to Original Design ML20217E8671998-03-27027 March 1998 Insp Repts 50-454/98-04 & 50-455/98-04 on 980120-0210. Violations Noted.Major Areas Inspected:Engineering,Technical Support & Self Assessment Activities ML20217E5501998-03-26026 March 1998 Insp Rept 50-454/97-21 on 970919-980228.Violations Noted. Major Areas Inspected:Observations of Operations Training, Preparation for SG Replacement,Maint/Construction Activities & Review of Engineering & Quality Assurance ML20217E5261998-03-26026 March 1998 Notice of Violation from Insp on 970919-980226.Violations Noted:Licensee Contracted Level II Liquid Penetrant Exam Examiner Incorrectly Performed Liquid Penetrant Exam of SG IR 05000454/19980081998-03-20020 March 1998 Insp Repts 50-454/98-08 & 50-455/98-08 on 980302-06. Violations Noted.Major Areas Inspected:Transportation & Solid Radioactive Waste Programs ML20217D1031998-03-20020 March 1998 Notice of Violation from Insp on 980302-06.Violation Noted: on 980306,chemistry Technician Failed to Close Valve V8 Before Withdrawing 2 Gas Samples from Panel for Hydrogen & Isotopic Analyses ML20248L8161998-03-16016 March 1998 Notice of Violation from Insp on 980113-0223.Violations Noted:On 980117,plant Administrative Procedure 330-1,section c.b.c.4,not Implemented & on 970910,licensee Operated Gwps Differently from Ufsar,Section 11.3.2.1 IR 05000454/19980051998-03-16016 March 1998 Insp Repts 50-454/98-05 & 50-455/98-05 on 980113-0223. Violations Noted.Major Areas Inspected:Operations,Maint, Engineering & Plant Support IR 05000454/19980071998-03-13013 March 1998 Insp Repts 50-454/98-07 & 50-455/98-07 on 980217-25.No Violations Noted.Major Areas Inspected:Various Aspects of Physical Security Program IR 05000454/19980061998-02-17017 February 1998 Insp Repts 50-454/98-06 & 50-455/98-06 on 980120-23 & 26. Noncited Violation Identified.Major Areas Inspected:Review of Radiation Protection Program 1999-09-08
[Table view] |
Inspection Report - Byron - 1999001 |
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! L U.S. NUCLEAR REGULATORY COMMISSION !
r u-REGIONlli Docket Nos: -50-454;50-455 l License Nos:. NPF-37; NPF-66 '
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Report No: 50-454/99001(DRS); 50-455/99001(DRS) l
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Licensee,: Commonwealth Edison Company l l
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Facility: Byron Nuclear Power Station, Units 1 and 2 j d
Location: 4448 N. German Church Road ,
Byron,IL 61010 s
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inspection Dates: January 19-22,1999 -
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Inspector: Tirupatalah Tella, Reactor Engineer
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= Approved by: R. N. Gardner, Chief .
Engineering Specialis'.s Branch 2 Division of Reactor Safety
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9902220073 990211
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EXECUTIVE SUMMARY ;
. Byron Nuclear Power Station, Units 1 and 2 ,
NRC Inspection Report 50-454/99001(DRS); 50-455/99001(DRS)
The p'arpose of this inspection was to verify the adequacy of licensee programs, procedures, equipment and supporting documentation for the maintenance of medium voltage and low voltage circuit breakers. The following observations were mede:
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The maintenance work on medium and low voltage breakers was being performed satisfactorily. However, a deficiency observed during maintenance, " hardened grease" .
was not documented in the work request. (Section M2.2)
- The lack of adequate maintenance history, both at the plant and from the vendor refurbishment reports, makes breaker performance and failure trending difficult. Most of the Safety-Related 4.1kV breakers and about 43% of safety related 480 Volt breakers at Byron had not been refurbished after 20 years. (Section M3.1)
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The licensee's recent self-assessment report identified a number of good breaker j maintenance issues. However, some issues such as weaknesses in the documentation 1 of breaker maintenance history and failure to translate breaker design (seismic qualification) criteria into plant procedures were not addressed. (Section M7.1)
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Calculations for supporting the minimum close and trip coil voltages were adequately
, prepared, However, a non-conservative error was noted in the calculation for the EDG '
2A breaker. There was a need to re-review the calculations for other critical breaker _ (Section E2.1)
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Adequate measures were not taken to transime the design data, regarding controls on the removal of 480 Volt breakers from their cabinets (without affecting the seismic qualification of the remaining safety related breakers)into applicable plant procedure The licensee initiated prompt corrective actions to address this issue. (Section E2.2)
. The knowledge and performance of the electrical maintenance staff in the area of electrical circuit breakers was good. (Section M4)
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Report Details i 11. Maintenance M1 Conduct of Maintenance #
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.The primary focus of the inspection was to verify the licensee's program and procedures regarding proper maintenance of electrical power circuit breakers at the Byron Generating Station, Units 1 and M1,1 General Comments !
The inspector reviewed maintenance records, surveillances, and corrective work !
requests for selected 4.1kV and 480 Volt electrical circuit breakers. The inspector !
observed maintenance work being performed. The inspector also reviewed the l licensee's fcilow-up actions for vendor technical bulletins, industry communications and ,
NRC Information Notices regarding electrical circuit breaker M2 Maintenance and Material Conditions of Facilities and Equipment I
- M2.1 Walkdown of Switchaear Areas ,
! Inspection Scope l
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The inspector walked down selected switchgear area . Observations and Findinas The inspector walked down selected switchgear areas. The inspector also inspected the inside of two cubicles to verify condition of the cubicles, the breaker and the visible wiring connections. The areas inspected were generally clean. No loose objects or loose .
connections were noticed.' ,
l Conclusion The inspector concluded the material condition of the areas toured was goo M2.2 Observation of Maintenance Work Inspection Scope The inspector observed ongoing maintenance work on electrical circuit breaker .
! Observations and Findinas The inspector observed ongoing maintenance work on two breakers. The first was replacement reactor trip breaker No.1RD05E-2C. This breaker was to replace a
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breaker which failed during a surveillance test. The breaker being replaced was previously refurbished by Westinghouse. The root cause for the failure of this breaker !
was not known at the conclusion of this inspection. This breaker was being prepared for ;
shipment to Westinghouse for further inspection and repai i
The inspector also observed the surveillance of "UAT 141-2 Feed Breaker to 4.16 kV l Bus 144" performed under Work Request No. 960077750-01. This is an important I non-safety related 3000 amps feed breaker. During the surveillance, the electricians I found that the trip latch and cam were slow to move. The electricians informed the inspector that the mechanism was " gummed up", The electricians attempted to free the
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i mechanism by application of light machine oil. The mechanism continued to perform in a l sluggish manner on the second day. As the licensee did not have any spares for this breaker, and as this breaker was urgently needed to be returned to service, the licensee requested assistance of Westinghouse, the vendo A vendor's representative was available at the site on the third day. He informed the inspector that this breaker should have been sent for refurbishing, if a spare was
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available. The vendor representative cleaned some parts of the operating mechanism, I and applied some more light machine oil to the mechanism. He informed the inspector that the application of the light mach:r,e oil was a temporary fix to release the ;
mechanism. Subsequently, the breaker was tested satisfactoril '
The inspector also noticed that licensee technicians were dependent on the vendor representative for torque values for bolts on the operating mechanism. The inspector obtained a copy of the Corrective Work Request No. 990006541-01, used for repair of l this breaker. The inspector noticed that the observed cause for the lock up of the trip 1 latch mechanism, i.e., the " gum up" was not mentioned in the work document During the exit meeting, the plant maintenance supervisor informed the inspector that a problem identification form (PIF) was written for the failure of this breaker. The inspector !
noted that the PlF was not mentioned in the work reques j c. Conclusion The inspector concluded that the maintenance work on breakers was being performed satisfactorily. However, the inspector was concerned that a defic;ency observed during
, maintenance, " gum up" or " hardened grease" was not documented in the work documents. The inspector considered the incomplete documentation of observations during maintenance a weakness.
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M3 Maintenance Procedures and Documentation
' M3.1 Review of Past Maintenance Work Inspection Scope The inspector reviewed selecte'dpast maintenance work orders, surveillances, Problem Identification Forms (PIFs), and circuit breaker related action item Observations and Pndinas -
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The inspector reviewed selected past maintenance records, PlFs, and action request The inspector noted the following: i
, The maintenance records indicated several failures of safety related and non-safety related breakers during the last three years. An increasing trend was observed with the problems associated with reactor trip breakers. Several j problems were also noted regarding refurbished breaker j i The minimum voltage tests were not performed on any 4.1 kV or most of the i safety related 480 Volt breakers. These tests were performed on some of the i 480 Volt non-safety related breakers.~ Several of these breakers tested did not i meet the acceptance criteria of the voltage tests. The minimum voltage tests i
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would help with the identification of breakers with sluggish operating mechanisms !
and/or presence of hardened greas j i
i Breaker response time tests were not performed on the Byron breaker j
! The work requests did not document the serial numbers of breakers for some i safety related breakers and most non-safety related breakers. The lack of a !
unique identification for each breaker will make the tracking of breaker performance history difficult. The licensee mentioned that they were developing ,
a " Uniquely Tracked Commodities" (UTC) system for the breakers. But this ;
system is not yet in place, j As mentioned in Section M.2.2, the inspector noted that the condition of the lubricant for the one breaker observed was not indicated in the work reques The Westinghouse reports on Refurbishment of Breakers did not include the following:
(a) . As found condition of lubricants in the breaker mechanism !
(b): As found data for clearances of breaker parts. They were marked just as '
" Acceptable."
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(c) As found data for timing test (d)- Reasons were not given for replacing some parts of the breaker The inspector noted that the Byron purchase order for refurbishment did not clearly delineate a requirement to document the "as-found" data in the l refurbishment report ]
The inspector noticed that whenever a breaker failed to function, it was replaced with a refurbished breaker, and was sent for refurbishment. As noted above, the refurbishment report did not include "as-found" condition of the lubricant and details of worn out ,
components. Trending of breaker failures and maintenance of adequate breaker )
histories is difficult without such data. The inspector considered the lack of adequate i breaker refurbishment data a weaknes l I
The inspector also noted that the Byron breakers were about 20 years old and most of -
the 4.1 kV breakers and about 47 percent of the safety related 480 Volt breakers were -
not yet refurbished. Westinghouse did not provide any recommendations for periodicity j of refurbishment for their breakers. However, the other breaker manufacturers, such as )
Asea Brown Boveri (ABB) and General Electric recommend that their breakers be l
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refurbished once every 10 years.. The licensee's refurbishment schedule indicates that all safety related breakers will not be refurbished until 2002 and all the non safety-related breakers until 2004. By then, the breakers would be about 25 years old. In view of the general experience in the industry, and the breaker failure reports from other nuclear power plants, the inspector was concerned that the Byron circuit breakers could be subjected to potential problems such as hardened grease, Conclusion l
The inspector concluded that the maintenance wo'rk on breakers was satisfactor '
However, lack of adequate maintenance history, both at the plant and from the vendor refurbishment reports, makes breaker performance and failure trending difficult. The inspector was also concemed that even after 20 years in service, all the safety related breakers were not yet refurbishe M4 Maintenance Staff Knowledge and Performance Scope of insoection The inspector interviewed several maintenance technicians and observed their wor Observations and Findinos The inspector observed the maintenance of two breakers in the shop and informally )
interviewed several electricians involved with breaker maintenance. The electricians l
. were knowledgeable and experienced in the maintenance of the breakers. Some of the l l '
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electrical maintenance staff participated in the user's group meetings and found that these meetings were usefulin discussing the breaker problem l Conclusion The inspector concluded that the knowledge and performance of the maintenance staff in the area of breakers was goo ;
M7 Quality Assurance in Maintenance Activities M7.1 Self-Assessment of Breakers Insoection Scope -
The inspector reviewed a self-assessment report issued in Janury 1999, conducted by the licensee's Corporate System and Component Engineerin Observations and Findinas l
The inspector reviewed the "Braidwood/ Byron Nuclear Power t.tations,1998 Circuit Breaker Assessment" repor l i
This assessment was conducted to evaluate the stations' breakers maintenance ,
programs, based on NRC Temporary Instruction 2515/137 (Revision 1) and the !
recommendations of the INPO SOER 98-02. The assessment reviewed the station I l
maintenance procedures compared to vendor and industry recommendations. The assessment also reviewed the licensee's follow-up actions for NRC Information Notice The assessment concluded that breaker maintenance at Byron was strong, while improvements were needed in documentation associated with NRC ins and Bulletins; and incorporation of all relevant industry experienos into the station's progra ]
While the self assessment identified a number of good issues such as the preventive maintenance tasks not being completed by the scheduled dates, it did not address some of the items identified in this report, such as, the breaker lubrication issues, the inadequate evaluation of breaker removal from cubicles without seismic evaluations, and lack of review of adequate control voltages at the breaker coils, Conclusion l
The inspector concluded that the breaker self assessment was good. However, a few l issues such as breaker lubrication, seismic qualification and lack of review for adequate ,
control voltage were not addressed in the repor l l
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- 111. Enaineerina E2 Engineering Support of Facilities and Equipment I
E Circuit Breaker Control Power - Insoection Scope l
The inspector reviewed the licensee's calculations to determine whether satisfactory i circuit breaker operation was assured at a minimum operating voltage as per desig Observations and Findinas
The inspector reviewed two sets of calculations for the minimum voltages available at the l breaker coils for Emergency Diesel Generator (EDG) 2B Breaker and the Residual Heat l Removal (RHR) Pump 1B Breake '
The inspector noted that the Byron Loss Of Offsite Power (LOOP)/ Loss Of Coolant i Accident (LOCA) calculations indicated the voltages available at the nearest buse ]
Additional calculations were needed to verify the voltage drops from the buses to the j breaker coils. The inspector noted that at least 90 Vdc was available at each of the ;
breaker close coils, which was acceptabl '
During this review, the minimum voltage calculation for EDG 2A Breaker was also reviewed by the plant engineers. During this review, it was discovered that Calculation No.19-AQ-43 (Revision 2) did not include a 75 feet length of control cable from the i
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switchgear to the HACR Relay Cabinet. This resulted in a non-conservative estimate of j the coil voltage. However, the revised calculated voltage at the breaker close coil was ]
more than 90 Vdc and was acceptable. The licensee issued PIF No. B1999-00211, to l l
- address this finding._ The PIF also stated that three EDG breakers were potentially l _ affected by this discover The inspector was concemed that the calculated voltages for several breaker coils were l close to the minimum design voltage of 90 Vde, and in view of the non-conservative error i identified in one calculation, there was a need to re-review the minimum voltage calculations for the other critical breakers. Pending further review of the voltage
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j Follow-up Item (IFl Nos. 50-454/99001-01(DRS); 50-455/99001-01(DRS)).
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The inspector concluded that adequate calculations for supporting the minimum close ;
and trip coil voltages were prepared. However, one non-conservative error was noted in i
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the calculation for the EDG 2A breaker. There was a need to re-review the calculations.
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- E2.2 Seismic Qualification of Powter Circuit Breakers a.- Insoection Scoce !
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The inspector reviewed the licensee's actions to maintain seismic qualification of safety !
related circuit breakers, when some breakers were completely removed from the j cabinet )
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' NRC issued information Notice No. 97-53 on July 18,1997, regarding circuit breakers left racked out in non-seismically qualified positions. The Information Notice stated: "It j should be noted that removal of the circuit breaker from the switchgear will result in mass
- redistribution of the switchgear. Mass redistribution of the switchgear may then change the frequency of the switchgear and its dynamic response during a seismic event and may invalidate the original seismic qualification of the switchgear. Therefore, the - 1 situation must be evaluated to ensure that the removal of the circuit breaker will no l invalidate the original seismic qualification of the switchgear." !
The inspector inquired whether the licensee had evaluated the effect of the removal'of sorne circuit breakers from their cabinets on the operability of the remaining safety reis led breakers in the cabinet. The licensee produced a letter from Westinghouse F:ectric Corporation, No. RRS/DSE (97)-547 (Revision 1) dated November 10,1997, that addressed the evaluation for the removal of 480 Volt DS type switchgear in safety -
'related applications. The conclusions were:" Comed mey remove up to 25% of the breakers without invalidating the existing seismic qualification of the switchgear
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regardless of the breaker locations in the switchgear cells; or, Comed may remove up to l
'40% of the breakers without invalidating the sejsmic qualification of the switchgesr !
provided that the removed breakers are randomly selected and no more than me half of the removed breakers are from the same elevation." This letter remained with the Byron site component engineer since November 1997, and was neither incorporated into the
= plant procedures, nor was any training provided to the plant personnel on the limitations of breaker remova The licensee committed in their UFSAR for Byron to comply with the NRC Regulatory Guide 1.29., " Seismic Design Classli ication," and IEEE 344-1971, * Recommended Practices for Seismic Qualificaticri of Class IE Equipment for Nuclear Power Generating Station." The Regulatory Guide 1.29 (Revision 3) states that Class IE electrical equipments are designated as Seismic Category I and should be designed to withstand the effects of the Safe Shutdown Earthquake (SSE) and remain functiona !
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The licensee failed to incorporate the design basis data, wallable from Westinghouse .
- since November 1997, regarding saismic qualification of safety related (Class IE) 480 l Volt power circuit breakers (when some adjacent breakers were removed) into plant l
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, procedures up to January 21,1999. This failure constitutes a violation of minor 'j significance and is not subject to formal enforcement actio i ,
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The licensee promptly issued maintenance memo No.1100-05 regarding the removal of 480 Volt circuit breakers. The licensee also issued Action item No. 454-100-99-00100 to incorporate the maintenance memo 1100-05 into the breaker maintenance procedure The inspector also inquired about the qualification of 4.1 kV safety related circuit breakers when such breakers were removed from adjacent cubicles in the same cabine I Subsequent to the inspection, the licensee provided documentation to demonstrate that j the seismic qualification of 4.1 kV breakers were not effected by the removal of up to 16 -1 similar breakers from adjacent cabinet l Conclusions The inspector concluded that adequate measures were not taken to translate the design i data, regarding controls on the removal of 480 Volt power circuit breakers from their cabinets (without affecting the seismic qualification of the remaining safety related breakers) into applicable plant procedures. The licensee initiated prompt corrective actions to address this issu V. Manaaement Meetinas X1 Exit Meeting Summary On January 22,1999, the inspection results were presented to the licensee management. The licensee acknowledged the findings presented. The licensee did not identify any material provided to the inspector during the inspection as proprietary.
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PARTIAL LIST OF PERSONS CONTACTED Licensee )
W. Levis, Station Manager l B. Adams, Regulatory Assurance Manager R. Colglaizer, NRC Coordinator R. Crosby, Component Specialist D.' Dillinger, OPEX Coordinator i P. Donavon, Design Engineering Manager D. Goldsmith, Corporate System / Component Engineer A. Javorik, Manager, Corporate System / Component Engineering P. Johnson, Maintenance Manager J. Kroger, Electrical Maintenance Supervisor ]
W. Kouba, Site Engineering Manager j J. Lafontaine, Elecrical Maintenance Superintendent P. McHale, Westinghouse Engineering Manager I J. Schroeder, Electrical Maintenance Planner T. Schuster, Work Control Manager W. Vargas, Corporate Component Enginee NRC E. Cobey, Senior Resident inspector The above persons were present at the January 22,1999, exit meetin INSPECTION PROCEDURES USED
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- Sections of the following inspection Procedures (IPs) were used for this inspection:
IP 37550 Engineering _
i IP 40500 Effectiveness of Licensee Controls in identifying, Resolving and Presenting Problems
! IP 61700 Surveillance Procedures and Records IP 62703 Maintenance Observation
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ITEMS OPENED, CLOSED AND DISCUSSED !
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50-454/455-99001-01 IFl Calculations for Minirnum Closs and Trip Coils for Cntical !
Circuit Breakers Need a Re-Review
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l l LIST OF ACRONYMS USED v
l AC Altemating current l ABB Asea Brown Boveri CFR Code of Federal Regulations DC Director Current
.DRS Division of Reacto: Safety l EDG - Emergency Diesel Generators *
.EPRI Electric Power Research Institute -
-IEEE Institute of Electrical and Electronics Engineers IFl' inspection Follow-up Item l
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IN Information Notice INPO Institute of Nuclear Power Operation kV kilo Volts LOCA Loss of Coolant Accident LOOP Loss of Offsite Powe MR Maintenance Rule NRC- Nuclear Regulatory Commission PlF Problem identification Form .
PM Preventive Maintenance QA Quality Assuratae OPEX Operating Experience Coordinator RHR Residual Heat Removal SOER Safety Operations Evaluation Report SSE Safe Shutdown Earthquake Tl Temporary Instruction UFSAR Updated Safety Analysia Report UTC' Uniquely Tracked Commodities Vac Voltage in attemating current
'Vdc Voltage in direct current VTIP Vendor Technical Information Program
.VIO Violation WR Work Request
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PARTIAL LIST OF DOCUMENTS REVIEWED l
Westinahouse Technical Bulletins .
l ESBU-TB-96-05-R0 ESBU-TB-97-04
. NSD-TB-91-06-R0 i
' NSD-TB-92-04-R0 NSAL-93-020 NSAL-94-024 -
l NRC Information Notices-IN 90-041, IN 95-19 )
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IN 96-44 IN 96-50 ,
' IN 97-053 i I
IN 98-03 '
Byron Problem identification Forms ;
B1998: 03511,05357,03159,02811,02739,02561,02440,02022,01631 l l
Byron Work Reauests i
960030869-01
'980101809-01 )
980103612-01 l 980111676-01 l 980136008-01 i Byron Surveillances i
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1, 0/1/2 BHS AP-2 per WR#960080197-01 (1/14/99) /1/2 BHS AP-1 (Revision 4) per WR#960070263-01 (1/16/99)
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