IR 05000461/1997003

Discusses Predecisional EC Conducted on 970515 Re Apparent Violations at Plant Identified in NRC Insp Rept 50-461/97-03.Root Causes,Contributing Factors & Corrective Actions Discussed.List of Attendees & Presentations Encl

ML20148R157
Person / Time
Site:	Clinton
Issue date:	05/23/1997
From:	Pederson C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
To:	Connell W ILLINOIS POWER CO.
References
50-461-97-03, 50-461-97-3, EA-97-132, NUDOCS 9707070305
Download: ML20148R157 (26)

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O May 23, 1997 EA 97-132 Mr,. Vice President Clinton Power Station Illinois Power Company l Mail Code V-275 l

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P.O. Box 678 Clinton, IL 61727 SUBJECT: NRC PREDECISIONAL ENFORCEMENT CONFERENCE I

Dear Mr. Connell:

This refers to a Predecisional Enforcement Conference conducted by Mr. A. Bill Beach, Regional Administrator, and other members of the Region lll and Headquarters staff on May 15,1997. The subject of this conference was the apparent violations at Clinton Station identified in NRC inspection Report No. 50-461/97003(DRS). The purpose of this conference was to discuss the violations, root causes, contributing factors, and corrective actions.

You will be notified by separate correspondence of our decision regarding the enforcement .

action based on the information presented and discussed at the Predecisional Enforcement Conference. No response is required until you are notified of the proposed enforcement action. l l

During the Predecisional Enforcement Conference, you acknowledged the violations. The i presentation included a synopsis of the broader engineering issues identified in the j inspection as well as the specific enforcement issues. Also presented was a synopsis of l the causes, safety significance, and corrective actions taken for each potential violation.

A copy of the handout is enclosed.

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9707070305 970523 PDR ADOCK 05000461 G PDR

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i l In accordance with 10 CFR 2.790 of the Commission's regulations, a copy of this letter i and the enclosures will be placed in the NRC Public Document Room. I

Sincerely, l

/s/ C. D. Pederson l

Cynthia D. Pederson, Director l Division of Reactor Safety '

Docket No. 50-461 l Enclosures: 1. List of Attendees 2. Licensee's Presentation cc w/encis: W. D. Romberg, Assistant Vice President l P. Yocum, Plant Manager, Clinton Power Station l R. Phares, Manager, Nuclear Assessment J. Sipek, Director - Licensing Nathan Schloss, Economist, l Office of the Attorney General  ;

G. Stramback, Regulatory Services l Project Manager, General Electric Company l Chairman, DeWitt County Board l State Liaison Officer Chairman, Illinois Commerce Comn.:ssion Distribution:

Docket ile / encl SRIs, Clinton, Rlli Enf. Coordinator w/ encl (PUBLICJE, 4M/ericP Dresden, LaSalle, TSS w/encI OC/LFDCB wlenci Quad Cities w/ enc! J. Lieberman, OE w/enct DRP w/enct LPM, NRR w/ encl J. Goldberg, OGC w/enct DRS w/enct A. B. Beach, Ritt w/ encl R. Zimmerman, NRR w/ encl Rlli PRR w/ encl J. L. Caldwell, Rlli w/enci l

SEE ATTACHED CONCURRENCES DOCUMENT NAME: G:\DRS\CL1051 7.DRS ~

To r:e:ive a copy of this document, indicate in the t,ox: "C" = Copy w/o attachment / enclosure E" = Copy with attachment / enclosure "N"MNo copy OFFICE Rill:DRS l Rlll:DRS l Rlll:DRP l Rill:EICS l Rlll:Dfj$1f' l l NAME Falevits/kjc Ring Wright Clayton GrobefBeberson DATE 05/ /97 05/ /97 05/ /97 05/ /97 05/3 /97 OFFICIAL RECORD col'Y

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I-i also presented a synopsis of the causes, safety significance, and corrective actions taken for each potential violation. A copy of the licensee's handout is enclosed.

Sincerely, i

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Cynthia D. Pederson, Director

Division of Reactor Safety

' Docket No. 50-461

Enclosures: 1. List of Attendees 2. Licensee's Presentation cc w/encls: W. D. Romberg, Assistant Vice President P. Yocum, Plant Manager, Clinton Power Station R. Phares, Manager, Nuclear Assessment J. Sipek, Director - Licensing Nathan Schloss, Economist, Office of the Attorney General G. Stramback, Regulatory Services Project Manager, General Electric Company Chairman, DeWitt County Board State Liaison Officer Chairman, Illinois Commerce Commission Distribution:

Docket File w/ encl SRis, Clinton, Rill Enf. Coordinator w/ encl PUBLIC IE-01 w/enct Dresden, LaSalle, TSS w/ enc!

OC/LFDCB w/enci Quad Cities w/enci J. Lieberman, OE w/ encl-DRP w/ encl LPM, NRR w/ enc! J. Goldberg, OGC w/enci DRS w/enci A. B. Beach, Rlli w/enci R. Zimmerman, NRR w/enct Rlli PRR w/enci J. L. Caldwell, Rlll w/enci DOCUMENT NAME: G:\DRS\CLl051_7.DRS To rscrive a copy of this document, Indicate in the box: "C" = Copy w/o attachment / enclosure "E* = Copy with attachment / enclosure "N" = No copy OFFICE Rlli:DRS E Rill:DRS gff Rill:DRPM g Rlli:EICS l L= Alll:DRS j

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NAME Falevits/kjc - # RingM Wright ( \Wj f n Clayton /k Grobe/Pederson DATE 05/21/97 05/2//97 05/M; yd b 05/24/97 05/ /97 i OFFICIAL RECORD COPY i

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LIST OF ATTENDEES

lilinois Power Comoany i l

G. Baker, Acting Manager, Nuclear Assessment

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W. Connell, Vice President D. Kornemann, Projects Manager - Engineering D. Lukash, System Engineer A. Mueller, Assistant Plant Manager - Maintenance R. Phares, Assistant to the Vice President

[ R. Reding, Electrical Breaker Task Manager )

W. Romberg, Assistant Vice President B. Sherman, Licensing i J. Sipak, Director - Licensing l M. Stickney, Licensing Supervisor i

. D. Thompson, Manager, Nuclear Station Engineering i W. Toohey, Plant Steward IBEW

, E. Turner, Financial Controller i K. Trone, Electrical Maintenance I

M. Wagner, Engineering P. Yocum, Plant Manager Consumers Enerav T. Bordine l D. Shapiro, Morgan, Lewis & Bockius j K. Toner i

j ll'inois Deoartment of Nuclear Safety

N. Howey D. Zemel

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U.S. Nuclear Reaulatorv Commission I A. Beach, Regional Administrator

F. Brown, Project Engineer, Division of Reactor Projects ,

J. Caldwell, Deputy Regional Administrator '

, B. Clayton, Enforcement Coordinator i

Z. Falevits, Reactor Engineer, Division of Reactor Safety J. Foster, Emergency Preparedness Analyst, Division of Reactor Safety R. Gardner,- Acting Deputy Director, Division of Reactor Projects i

, J. Grobe, Deputy Director, Division of Reactor Safety G. Marcus, Director, Project Directorate lll-3, Office of Nuclear Reactor Regulation l C. Miller, Acting Chief, Projects Branch 4, Division of Reactor Projects D. Pickett, Project Manager, Office of Nuclear Reactor Regulation E. Schweibinz, Project Engineer, Division of Reactor Projects R. Westberg, Acting Chief, Engineering Specialists Branch 2, Division of Reactor Safety G. Wright, Chief, Clinton Oversight Team, Division of Reactor Projects Enclosure 1

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Enclosure 2

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AGENDA

Introduction ; Vice President -

Clinton Pow'er Station Breakers D. Thompson I Manager-Engineering i

l Lubricants T. Mueller

, Assistant Plant Manager-Maintenance

Engineering Department Initiatives D. Thompson

, Manager-Engineering

Closing Remarks Vice President -

Clinton Power Station

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. ILLINOIS i

POWER

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Breaker issues

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l . Apparent Violation: Failure to Take Prompt Corrective l Action to Address Indications of Hardened or Hardening s

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. Affected Several Classe.s of Breakers i

! . \Neak Response to Indications From Inspections and i Maintenance

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. Insufficient Response to Industry Information l; ,

l . Vendor Recommendations Not Followed

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i i Causes of Breaker Problems

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. Narrow Focus in Response to Indications of Breaker

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Problems i

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. Weak Focus and Response to IndustryNendor Isrues

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. Lack of Documentation and Trending of Breaker

Problems for Analysis of Generic Implications

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. No Programmatic Approach to Breaker Maintenance

Activities i . Insufficient Site-Wide Focus on Breaker Issues -

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POWER y *- y-e n m -- e 9- g w- 3c -m -- 3-9 ww pg=ewg , >+yw m-%e,,-,9-- avvwev-**,- i+, v g %-mvy gre e-w%-w vv g g e &-syv-q+ w - - er w gwgyww ggwyw

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Establishment of Breaker Plan

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i . Establishment of Multi-Disciplined Breaker Team

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Analysis of Vendor Information

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Review of Industry Experience l

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Creation of Inspection and Refurbishment Plan i

. Improvements Since December 1996

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ABB 480V Breakers

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. 33 Safety-Related Breakers

. 1995 Refurbishment and Findings

. Current ABB Breaker Plan Status:

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21 Safety-Related Breakers Refurbished and in Service by the End of RF-6

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This Completes Refurbishment on All Division 11 Breakers

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Acceleration of Refurbishment Schedule of All Remaining Safety-Related Breakers by End of RF-7

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I I GE Magna Blast Breakers l

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) . 5 General Electric 4160 Volt "Magna Blast" Breakers

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All on Division ill Safety Bus '

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e RF-6 Inspection and Acceptance Criteria

i . Schedule for Inspection / Refurbishment of Remaining l

Breakers

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l Westinghouse 4.16kV and 6.9kV Breakers

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. 26 Safety-Related Breakers i

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6 Reactor Recirculation System

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l . CPS and Industry History of Breaker Performance i . Inspection and Testing of All Reactor Recirculation System Division I

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11 Tested to Date Have Passed

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All Remaining Division ll Breakers Refurbished During Cycle 7

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Summary of CPS Breaker Plan

. All ABB Safety-Related Breakers Will Be Refurbished by the End of RF-7

. All GE Magna Blast Breakers Will Be Refurbished During the Upcoming Operating Cycle

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. All Westinghouse Safety-Relatecl Breakers Will Be Either Inspected and Tested During the Current Outage or Refurbished During the Upcoming Operating Cycle e

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Additional Actions.to Ensure Strong Breaker Program

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. Operator Requalification Training i

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. Use of Outside Expertise to Ensure Breaker Program is Consistent with Best Industry Practices

. Improved Process for Documenting, Trending, and Analyzing j Breaker Inspection and Maintenance Results

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! Breaker issues - Conclusions ,

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I i e Generic Action to Address Causes .

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Lubricant issues

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e Control and Dissemination of Lubricants

! * Use of Unapproved Cleaners and Lubricants on Breakers

i l . Insufficient Maintenance Guidance on Mixing of Greases

and Cleaning

! . Discrepancies Between Approved Vendor Manuals and i implementing Plant Procedures

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j . Incomplete Equipment Lubrication Standard

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PfeWER

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l Causes of Lubricant Problems

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• Insufficient Programmatic Controls to Ensure Proper i Lubrication of Electrical Breaker Components, i.e., Lack l

of Procedure Quality

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i . Failure to Follow Proper Lubricating Standards

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Specific Corrective Actions

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. Mixing of Mobil 28 Grease

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Revision of GE Magna Blast Procedure j -

Validation and Training on GE Magna Blast Procedure j -

Inspection of Breaker j -

Improved Process of Processing Vendor Information

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Removal From Breaker and Proper Lubrication of Breaker

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Preventive Maintenance and Breaker Inspections li

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Procedure Change Caution Statement

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Procedure Change

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! . Controls on Dissemination of Lubricants

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j . Expansion of Equipment Lubrication Standard i

. Guidance on Lubricant Use and Procedure Revision -

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! . Increased Monitoring to Ensure Expectations for Control

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. Site-Wide Effort on Procedure Use and Adherence

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l Lubricant issues-Conclusions

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. Specific Lubricant Problems Corrected

. Action to Improve Future Performance

e Broader Action to Address Potential Generic implications

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i i Generic Engineering Department Improvement Actions

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. Reorganization of Engineering Department

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Increased Supervision and Accountability l -

Work Disposition i

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Engineering Assessment Strengthened

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Creation of Engineering Response Team

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l CPS Breaker Team i

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Maintenance i

Nuclear Station Engineering Ass.istant Plant Manager a Manager i i

r--------------. Breaker Task Manager i 1 Maintenance Services Specialist

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Breaker Team

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Technical Lead

• Auxiliary Power System m

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. Plant Engineering (3) '

} Procurement Engineering (2)

Eng,ineer

• Operations Engineering Oversicht

. Electrical Maintenance

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• Maintenance Planning

! . Plant Scheduling

. Quality Assurance

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Consultants . Material Management (3)

l o Duke Engineering Services * Training l * Nuclear Logistics Inc. Plant Support Services t

Lubrication Sub Team i Procurement Engineering

. * Electrical Maintenance

, * Maintenance Planning

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Breaker Team Documents m

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CPS Breaker inspection Test Plan l for GE & Westinghouse Breakers

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Information

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• Vendor Literature & Discussions CPS History Data m CPS Refurbish..sent Plan for GE,

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Westinghouse & ABB Breakers

! EPRl/NMAC User Groups & Literat.ure l * Industry Peers, Procedures n

Consultants j * Industry Feedback Documents

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CPS Refurbishment Specification for GE, e Westinghouse & ABB Breakers i

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i CPS Receipt inspection Checklist for GE,

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Westinghouse & ABB Breakers

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Breaker inspection Information Flow -

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CPS Breaker inspection / Test Plan for GE & i Westinghouse Breakers  !

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Criteria incorooration j

• Incorporation of Inspection /Fest Plan Acceptance  !

Criteria into Plant Procedures  ;

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Data Acauisition j l

• Work Performed via Maintenance Work Request  !

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Criteria No l Exceeded i

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Actions j

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Maintenan~ce Work Request l

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Condition Report  :

Expand Breaker Scope per Inspectionffest Plan to inspect l and/or Refurbish Other Breakers l t

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Data l l ,

Data to System Engineer (Trending)  !

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Previous Oraanization

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l Secretary

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[ Director Plant .

Director Director Resource Engineering Engineering i

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Management j

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