Text

Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Repts 50-498/88-47 & 50-499/88-47
	ML20206B798
Person / Time
Site:	South Texas
Issue date:	11/07/1988
From:	Callan L; NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:	Goldberg J; HOUSTON LIGHTING & POWER CO.
References
	NUDOCS 8811160022
	Download: ML20206B798 (2)
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Houston Lighting & Power Company ATTN:

J. H. Goldberg, Group Vice President, fiuclear P.O. Box 1700 Houston, Texas 77001 Gentlemen:

Thank you for your letter of September 29, 1988, in response to our letter and Notice of Violation dated August 31, 1988.

We have reviewed your reply and find it responsive to the concerns raised in our fiotice of Violation. We will review the implementation of your corrective actions during a future inspection to determine that full compliance has been achieved and will be maintained.

Sincerely

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Origiral t tri. ! r,y A. P R 4eh L. J. Callan Director Division of Reactor Projects CC:

Houston Lighting & Power Company ATTN:

M. A. McBurnett,tianager Operations Support Licensing P.O. Box 289 Wadsworth Texas 77483 Houston Lighting & Power Company ATTN: Gerald E. Vaughn, Vice F.esident F : lear Operations P.O. Box 289 Wadsworth, Texas 77483 Houston Lighting & Power Company ATTN:

J. T. Westerneier, General Manager South Texas Project P.O. Box 289 Wadsworth, Texas 77483

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Houston Lighting & Power Company-2-Central Power & Light Company ATTN:

R. L. Range /R. P. Verret P.O. Box 2121 Corpus Christi Texas 78403 City of Austin Electric Utility ATTN:

R. J. Miner, Chief Operating Officer 721 Barton Springs Road Austin, Texas 78704 Newman & Holtzinger, P.C.

ATTN:

J. R. Neunan, Esquire 1615 L Street, N.W.

Washington, D.C.

20036

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Houston Lighting & Power Company ATTN:

S. L. Rosen P.O. Box 289 Wadsworth, Texas 77483 Houston Lighting & Power Company ATTN:

R. W. Chewning, Chairman Nuclear Safety Review Board P.O. Box 289 Wadsworth, Texas 77483 City Public Service Board

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ATTN:

R. J. Costello/M. T. Hardt P.O. Box 1771 San Antonio, Texas 78296

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Houston Lighting & Power Company ATTN: Licensing Representative Suite 610 Three Metro Center Bethesda, Maryland 20814 Texas Radiation Control Program Director bectoDMB(IE01)

bec distrib, by RIV:

DRP RRI-0PS SectionChief(DRP/D)

DRS RPS-DRSS MIS System Lisa Shea, RM/ALF RIV File R. Bachmann, OGC RSTS Operator G. Dick, NRR Project Manager (MS:

13-D-18)

Project Engineer, DRP/D RRI-CONST R. D. Martin

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t The Light company PO. Box 1769 Ilouston. Texas 77001 (713) 228 9211 llouston Lighting k Power

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September 29. 1988 ST-HL-AE-2805 Tile No.:

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U. S. Nuclear Regulatory Corresission i

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Attention:

Document Control Desk L

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South Texas Proj ect Electric Generating Station Unit 1 Docket No. STN 50-498 Response to Notice of Violation 498/8547-01 Houston Lighting & Power Company (HL&P) has reviewed Notice of Violation 498/8847-01 dated August 31, 1988.

HL&P concurs that the cited violations occurred.

These Licensee violations were fully addressed as the subject of the attached Licensee Event Reports. The status of actions addressed in the attached is up.iated as follows:

Licensee Event Report 88-040, "Ta11ure to Stagger Reactor Trip Breaker Surveillance Test Intervals" Corrective actions described in the attached LER have been completed.

Licensee Event Report 88-043, "Tailure to Perform Surveillance Test of Diesel Generator Fuel 011 for Centamination" Corrective actions described in the attached LER have been completed.

Appropriate actions have been taken to ensure co pitance in the futurn.

If yod should have any questions on this matter, please contact Mr. H. A. McBurnett at (512) 972-$530.

f G. E. Vaughn Vice President Nuclear Plant OpSrations GEV/PLV/n1 Attachments:

1) Licensee Event Peport 88-040

2) Licensee Event Report 88-043

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(h NL 88.263.02 A Subs dia:Y of 11ouston Industries Incorporated

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flouston Lighting & Power Company

ST-HL-AE-2805 Tile No.: G02.04 Page 2 CCI Regional Administrator, Region IV Rufus S. Scott Nuclear Regulatory Commission Associated General Counsel 611 Ryan Plaza Drive, Suite 1000 Houston Lighting & Power Company Arlington, TX 76011 P. O. Box 1700 Houston, TX 72001 George Dick U. S. Nuclear Regulatory Commission INFO

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Washington, DC 20555 Records Center 1100 Circle 75 Ptrkway Jack E. Icss Atlanta, Ga. 303D9-3064 Resident Inspector / Operations c/o U. S. Nuclear Regulatory Commission Dr. Joseph M. Hent le P. O. Box 910 50 Be11 port Lane Bay City, TX 77414 Be11 port, NY 11743 J. I. Tapia Senior Rerident Inspector /Const.uction c/o U. S. Nuclear Regulatory Commission P. O. Box 910 Bay City, TX 77414 J. R. Newman, Esquire Newman & Holtzinger, P.C.

1615 L Street, N.V.

Washington, DC 20036 R. L. Range /R P. Verret l

Central Power & Light Company P. O. Box 2121 Corpus Christi. TX 78403 R. John Miner (2 copies)

Chief Operating Officer City of Auktin Electric Utility 721 Barton Springs Road Austin, TX 78704 R. J. Costello/M. T. Hardt City Public Service Board P. O. Box 1771 San Antonio, TX 78296

Revised 05/24/88 NL.DIST

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July 25, 1988

ST-HL-AZ-2732 Tile No.:

G26 10CTR50.73

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U. S. Nuclear Regulatory :'or:rsission Attention:

Docurtant Control Desk Washington, DC 20555 South Texas Project Electric Generating Station Unit 1 Docket No. STN 50-498 License Event Report 88-040 Regarding Tailure to Staeter Reactor Trip 3reaker Surveillance Test Intervals Fursuant to 10CTR50.73. Houston Lighting & Power (ML&P) Submits the attached Licensee Event Report (LER 88-040) reg'hrding f.ailure to stagger reactor trip breaker surveillance test intervals. This event did not have any adverse impact on the health and safety of the public.

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If you should have any questions on th.s matter, please contact Mr. C.A. Ayala at (512) 972-8628.

G. E. Vaughn Vice Tresident Nuclear Flant Operations GEY/3EN/pv Attachment:

LER 88-040 l

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Regional Administrator, Region IV Nuclear Regulatory Commission Rufus S. Scott

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611 Ryan Plaza Driva, Suite 1000 Associated General Counsel Arlington, TX 76011 Houston Lighting & Powe-Company P. O. Box 1700

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George Dick Houston, 72 77001

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U. S. Nuclear Regulatory Commission INPO Washington, DC 20555 Records Center

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J1ck E. Bess 1100 circle 75 Parkway Resident Inspector / Operations Atlanta, Ga. 30339-3064 c/a U. S. Nuclear Regulatory Commission P, O. Box 910 Dr. Joseph H. Hendrie 50 Bellport Lane Bay City. TX 77414 Be11 port, NY 11713 Don L. Garrison Resident Inspector / Construction

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P. O. Box 21:1 Corpus Christi. TX 78403 R. John Miner (2 copies)

Chief Operating Officer City of Austin Electric Utility l

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,nu On June 23, 1988, during the annual review of the plant surveillance database as required by procedure, the HL&P Plant Surveillance Coordinator identified that the surveillances associated with Technical Specification 4.3.1.1 and 4.3.2.1 vere scheduled with a method that could result in improper staggering of test inte rvals.

Subsequent review by the responsible Divisional Surveillance Coerdinator identified that the surveillance tests for the Reactor Trip Breakers undervoltage and shunt trip devices did not meet the staggered test basis requirement between June 20, 1988 and June 23, 1988.

However, the tests were performed within their required interval.

Surveillance testing for n. other divisions was also reviewed for proper

application of the staggtred test basis. The root cause was determined to be f ailure of the surveilia. s e test program to properly schedule and review staggered tests.

Cort cive actions include revision to the method for

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scheduling staggered surveillances and creation of a Surveillance Program Task Force Subcommittee to study staggered test basis surveillances.

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DESCRIPTION OF OCCURRENCE:

On June 23, 1988, during the annual review of the plant surveillance database as required by procedure, the HL&P Plant Surveillance Coordinator identified that the surveillances associated with Technical Specification

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4.3.1.'1 and 4.3.2.1 were scheduled with a method that could result in improper staggerlag of test intervals.

This method, known as frequency based scheduling, determines the next due date for a given surveillance by' adding the surveillance interval to the last date the surveillance was performed and adjusting the due date as required by Technical Specification 4.c.2.

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The result of this calculation issures that tha surveillance interval for each train meets the Technical Specification requirement, however, the stagger (equal to the test interval divided by the number of trains) between tests of redundant trains may not remain constant.

Upon the discovery of the error in the scheduling method used, the Plant Surveillance Coordinator requested the responsible Divisional Surveillance Coordinator to review his surveillances for compliance with the staggered test basis.

The review identified that the surveillance tests for the Reactor Trip Breakers undervoltage and shunt trip devices did not meet the staggered test basis of Technical Specification 4.3.1.1.20 between Junn 20, 1988 and

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June 23, 1988.

Subsequently, "Staggered Test Basis" surveillances for r.11 other divisions were reviewed to assure that Staggering intervals were correct

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back to the issuance of the Operating License.The history of these surveillances wa

lvo surveillances were found to have bean improperly staggered on Pressurizer Water Level Prctection and Extended Range Nuclear Instrumentation.

On June 24, 1988, with Unit 1 in Mode 3, the Divisional S :.veillance Coordinator notified the Shif t Supervisor of the f ailure to meet the staggered test basis which was a violation of Technical Specification 4.3.1.1.20.

The condition was subsequently determined to be reportable on June 25, 1988 and the NRC was notified pursuant to 10CTK50.12*at 1602 hours0.0185 days 0.445 hours 0.00265 weeks 6.09561e-4 months .

The test had already been performed on June 23, 1988, as scheduled, within its required surveillance interval.

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The root causes of this event were:

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1) Staggered test basis surveil?ances utilized frequency based scheduling which did not control the interval between tests of redundant traias.

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Inadequate surveillance program in.that no requirement exists for assuring ttaggered intervals are restored and maintained af ter mode ch ang e s.

ANALYSIS OF EVDIT:

This condition resulted in the violation of the staggered test basis for the Reactor Trip Breaker undervoltage and shunt trip devices. Pressurizer Vater Level Protectian and Extended Range Nuclear Instrumentation as required by Technical Specifications which is reportable under 10CFR50.73(a)(2)(1)(B).

The surveillance interval requirements were met.

There vere no adverse safety or radiological consequences as a result of this eve,nt.

The event did not produce any additional risk to the,public.

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CORRECTIVE ACTION:

The followirg corrective accions are being taken to prevent recurrence of the event:

1. -The surveillance data base was revised to establish calendar based scheduling for all staggered test basis surveillances'asscciated with Technical Specification paragraphs 4.3.1.1 and 4.3.2.1.

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A' Surveillance Program Task Force has been established.

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This Task Force vill review the entire surveillance program in detail and provide managemont with suggestions for improvement. As a result of this incident, a subcocznittee to the Surveillasco Program Task Force has been created whose objectives are to more fully evaluate Staggered Test Basis surveillances, identify any additional corrective actions, and to implement changes to the staggering methods employed at STP.

This activity will be completed by September 30, 1988.

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ADDITIONAL INFORMATION:

The following LER's have been previously submitted regarding surveillance test program deficiencies at STPEGS:

LER'87-009 Surveillance Deficiency Due to a Procedural Inadequacy Resulting in a Technical Specification violation

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LER 87-017 Pressurizer Low Pressure Safety Injection Setpoint Too Low Due to Procedural Error LER 87-019 Slave Relay Surveillance Deficiency Due to a Personnel Error LER d7 026 Degraded Undervoltage Coincident with a Safety Injection Circuitry Surveillance Deficiency Due to a Deficient Procedure LER 88-005 Inadequate Surveillance Performed on a Control Room Intake Radioactivity Monitor

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LER 88-006 Inadequate Surveillance Testing of Haster Relays LER 88-007 Incorrect Formula in a HVAC Surveillance Procedure LER 88-010 Inoperability of Reactor Coolaat Pump Seal Injection Containment Isolation Valves l

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LER 88-011 Nonperformance of Scheduled Surveillance Test for Essential Chilled Water Pump as a Result of a Lost Test Package l

l LER 88-012 Failure to Tully Implement Technical Specification

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Surveillance Requirements Due to Procedural

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Deficiency

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LER 88-013 Failure to Test RCS Low ylow Times Due to Procedure Defleiencies

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LER 88-023 Nonperformance of a Scheduled Surveillance Test for Essential Cooling Water Screen Wash Booster Pump Due

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ADDITIONAL INFORMATION (Cont'd.)

LER.88-034 Failure to Test Containment Spray Sequencer Actuation

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LER 88-035 Nonperfortnance of a Required Surveillance Test for a Component Cooling Water Valve Due to an Inadequate Procedure LER 88-038 Failure to Perform Surveillance Testing of Intemediate Range Nuclear Instrumentation Prior to Entering Mode 2

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p August 9i 1988 ST-HL-AE-2754 File No.'s G26 10CFR50.73 11. S. Nuclear Regulatory Cocznission Attention:

Document Control Desk Washington, DC 20555

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South Texas Project Electric Generating Feation Unit 1 Docket No. STN 50-498 Licensee Event Report 88-043 Regarding Failure to Perform

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Surveillance Testing of Diesel Genarator Fuel 011 zor Contamination Pursuant to 10CFR50.73, Houston Lighting & Power (HL&P) submits the attached Licensee Event Report (LER 88-043) regarding failure to perform surveillance testing of diesel generator fuel oil for contamination due to a personnel error. This event did not have any adverse impact on the health and safety of the public.

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If you should have any quertions on this matter, please contact Mr. C.A. Ayala at (512) 972-8626.

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GEV/3EM/n1 Attachment:

LER 88-043

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Regional Administrator, Region IV Rufus S. Scott Nuclear Regulatory Commission Associated General Counsel 6

Ryan Plaza Drive, Suite 1000 Houston Lighting & Power Company

.4ngton, TX 76011 P. O. Bou 1700

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Houston, TX 77001 George Dick U. S. Nuclear Regulatory Commission INPO Vashington, DC 20555 Records Center 1100 circle 75 Parkway Jack E. Bass

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Atlanta, Ga. 30339-3064 Resident Inspector / Operations c/o U. S. Nuclear Regulatory Commission Dr. Joseph H. Hendrie P. O. Box 910 50 Be11 port Lane Bay City, TX 77414 Be11 port, NY 11713 Don L. Garrison Resident Inspector / Construction c/o U. S. Nuclear Regulatory Commission P. O. Box 910 Bay City, TX 77414 J. R. Newman, Esquire (,..

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Washington, DC 20036 R. L. Range /R. P. Verret Central Power & Light Company

P. O. Box 2121 Corpus Christi, TX 78403 R. John Miner (2 copies)

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Chief Operating Officer City of Austin Electric Utility 721 Barton Springs Road Austin, TX 78704

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R. J. Costello/M. T. Hardt City Public Service Board

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=, n e, On July 12, 1988, with Unit 1 in Mode 1 at 76 percent power, the Houston Lighting & Power (HL&P) Chemical Operations and Analysis Department Divisional t

Surveillance Coordinator discovered that the monthly surveillance on Standby Diesel Generator (SDG) #11 Fuel Oil Storage Tank for particulate contaminat,lon had not been performed within its required interval. The Shift Supervisor was notified at 0945 hours0.0109 days 0.263 hours 0.00156 weeks 3.595725e-4 months and the test was performed at 1007 hours0.0117 days 0.28 hours 0.00167 weeks 3.831635e-4 months , two days past the end of the grace period.

The cause of the occurrence was failure of the Divisional Surveillance Coordinator to take proper action in response to the surveillance schedule and overdue reports for this surveillance test.

Corrective actions include the addition of requirements for the performance of surveillances on their due dates with limited use of the grace period and review of ov'erdue surveillance reports by responsible department management.

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DESCRIPTION OF OCCURRENCE:

On July 12, 1988, with th.it 1 in Mode 1 at 76 percent power, the Houston Lighting & Power (HL&P) Chemical Operations and Analysis (C0&A) Department Divisional Surveillance Coord1Lator discovered that the monthly surveillance on Standby Diesel Generator (SDG) fil yuel Oil Storage Tank for particulate contamination had not been performed within its required interval.

The Shift Supervisor was notified at 0945 hours0.0109 days 0.263 hours 0.00156 weeks 3.595725e-4 months and preparations were made to perform the test.

The surveillance test was completed satisf actorily at 1007 hours0.0117 days 0.28 hours 0.00167 weeks 3.831635e-4 months .

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The NRC was notified at 1613 hours0.0187 days 0.448 hours 0.00267 weeks 6.137465e-4 months .

A subsequent investigation revealed that on June 17, 1988 the C0&A backup Divisional Surveillance Coordinator received the surveillance test package and misfiled it in a hold file instead of forwarding it to the Lead Chemical Technician's Office.

When the surveillance became due on the Chemistry Sampling Schedule on June 30, 1988, the HL&P Lead Chemical Technician could not locate the surveillance test package or the test completion notice.

On July 1,1988, the surveillance test appeared on the daily overdue surveillance report.

The Divisional Surveillance Coordinator was advised by another Lead Chemical Technician that he thought the surve111asce test had i-b'

been co=pleted as scheduled and took no further action.

The surveillance test

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again appeared on the' overdue report on July 5, 1988.

At that time, the Divisional Surveillance Coordinator believed that the test completion notice had been misplaced, and did not take the time to investigate until July 12, 1988 when the missing surveillance test package was found in the hold file.

By then the grace period for this surveillance had been exceeded by two days.

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CAUSE OF OCCURRDICE:

The cause of this event was f ailure of the Divisional Surveillance Coordinator to take proper action in response to the surveillance schedule and overdue reports for this surveillance test.

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ANALYSIS OT EVENT:

Failure to perform surveillr :- te, sting of Standby Diesel Generator Tuel Oil Storage Tank for particulate con'. amination is a violation of Technical Specification 4.8.1.1.2.D and is reportable under 10CTR50.73(a)(2)(1)(B). The test was performed on July 12, 1988 and the particulate contamination level was determined to be acceptable.

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There were no adverse safety or radiolcgical consequences as a result of this event.

The event did not produce any additional risk to the public.

CORRECTIVE ACTION:

The following corrective actions are being taken to prevent recurrence of the event:

1.

The Plant Manager has issued a directive to emphasize the requirement that surveillances be performed on their due dates and that the use of the

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b grace period be limited. Additionally, direct 8ca has been included

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Instructing personnel to review objective evi'.ca9 to verify surveillance completion.

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The Plant Surveillance Program procedure has been revised to require the responsible department manager to review the overdue report and allocate sufficient resources to insure timely completion of surveillance tests.

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ADDITIONAL INFORMATION:

The following LER's have been previously subenitted regarding surveillance test program deficiencies at STPEGS:

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LER 87-009 ourveillance Deficiency" Due to a Procedural

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Inadequacy Resulting in a Technical Specification Violation LER 87-017 Fressurizar Low Pressure Safety Injection Setpoint Too Low Due to Procedural Error

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LER 87-019 Slave Relay Surveillance Deficiency Due to a Personnel Error LER 87-026 Degraded Undervoltage Coincident with a Safety Injection Circuitry Surveillance Deficiency Due to a Deficient Procedure

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LER 88-005 Inadequate Su m 111ance Performed on a Control Room Intake Radiose.tivity Monitor LER 88-006 Inadequate Surveillance Testing of Haster Relays IJR 88-007 Incorrect Formula in a HVAC Surveillance Procedure LER 88-010 Inoperability of Reactor Coolant Pump Seti Injection Containment Isolation Valves LER 88-011 Nonperformance of Scheduled Surveillance Test for

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Essential Chilled Vater Pump as a Result of a Lost Test Package

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LER 88-012 Failure to Fully Implement Technical Specification

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Surveillance Requirements Due to Procedural Deficiency LER 88-013 Failure to Test RCS Low Flow Tices Due to Procedure Deficiencies LER 88-023 Nonperformance of a Scheduled Surve'111ance Test fo,r Essential Cooling Vater Screen Wash Booster Pump Due to an Inadequate Procedure LER 88-03A Failure to Test Containment Spray Sequencer Actuation

LER 88-035 Honperformance of a Required Surveillance Test for a Co=ponent Cooling Vater' Valve Due to an Inadequate Procedure *

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LER 88-038 Failure to Perform Surveillance Testing of Intermediate Range Nuclear Instrumentation Prior to

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Entering Mode 2

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LER 88-040 Failure to Stagger Reactor Trip Breaker Surve111snee Intervale (

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IR 05000498/1988047

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