ML20083C914

Applicant Exhibit A-10,consisting of 920803 Request for FOIA documents,920909 Response Ltr & Documents Listed in App a

ML20083C914
Person / Time
Site:	Vogtle
Issue date:	04/17/1995
From:	Lamberski J TROUTMANSANDERS (FORMERLY TROUTMAN, SANDERS, LOCKERMA
To:
References
OLA-3-A-010, OLA-3-A-10, NUDOCS 9505230077
Download: ML20083C914 (34)

Text

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TROUTMANSANDERS

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NATIONSSANM PLAZA 0FFICE.cf SECRETARY n.c-ine svarer ~ s. swer uw 4rca~ta. croaoi* suos 2:a 00CKEIING i q-RVICE recepwoNe 4o ens ' "

BRAHCH racsets som ses **

.&N LAMBER $wl OIRECT 404 885 3360 August 3, 1992 Mr. Donnie H. Grimsley, Director Division of Freedom of Information i

and Publications Services l

Office of Administration U.

S.

Nuclear Regulatory Commission Washington, DC 20555 Re:

Freedom Of Information Act Recuest

Dear Mr. Grimsley:

I hereby request, pursuant to the federal Freedom of Information Act ("FOIA"), 5 U.S.C.

S 552, as amended, and Nuclear j

Regulatory Commission ("NRC") regulations, 10 C.F.R. Part 9, copies of all " records," as that term is defined in 10 C.F.R. 9.13, constituting, or relating to, eight (8) specific documents which were provided by Georgia Power Company ("GPC") employees to j

the NRC Incident Investigation Team ("IIT") which investigated the March 20, 1990 site area emergency at Plant Vogtle.

The eight specific records I am requesting are identified on the September 14, 1990 " bibliography," provided by NRC to GPC and identifying documents collected by the IIT, as follows:

17.

Order to quarantine 1

31.

Maintenance Work Order (MWO) 19001576, 3/28/90 (D/G 1A) j 34.

List of Quarantined Equipment (Revised 3/29/90 Rev. 2) 155. Quarantined Equipment List, Rev. 4 - 4/2/90 l

178. D/G Temperature Switch Calibration Data Received from Licensee - 4/6/90 180. D/G (1A/1B) Start Logs l

210. Failures of Calcon Temperature & Pressure Sensors at Vogtle 1 & 2 336. Draft " Corrective Actions for Site Area Emergency" and Unit 1 Status Report from 3-18 to 4-1-90 (submitted by licensee) 9505230077 950417 PDR ADOCK 05000424 g

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NUCLEAR REGULATORY COMMISSION ss~nas-oLA-2 Docket No._ k 12 5

• 4 Official Exh. No. 5" 10 in the matter of_ Uen t le Staff 4,;+s n2 IETNTiflED s-Applican!

RECElVED r

Intervenor REJECTED Contg Otfr Contractor D ATE _ __ 09-/7-9s-Other Wit;:ess

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Repotter 1 2,'/t.4 3 A.*

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TROUTMAN SANDERS

.u.:.sa wa In addition to the above request for eight specific records, I request copies of all records, as defined above, evidencing or relating to the date and time when each of the eight specific i

records listed above were received by the NRC.

For your information, I understand that the requested records are or may be in the possession of the administrative assistant to the IIT, Ms. Cherie Siegel, or one of the IIT members: Al Chaffee, Rick Kendall, Bill Lazarus, Bill Jones, Mike Jones, Warren C.

Lyon, Harvey Wyckoff, Paul E. Dietz, Garmon West or Gene Traeger.

I am willing to pay the applicable charges for production of the requested records in accordance with 10 C.F.R. Part 9 up to a maximum amount of $500.00 and those charges in excess of $500.00 of which I am notified, and which I approve, in advance.

If you have any questions concerning this FOIA request, please feel free to contact me.

Very ruly urs John Lamberski 4

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RESPONSE TO FREEDOM OF

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INFORMATION ACT (FOIA) REQUEST o*15 s 's SEP 9 - 1992 oOCoT ~uMaimisi mme,

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PdRT 3.-AGENCY RECORDS RELEASED OR NOT LOCATED iSee enecaea conesi No agency records subject to the request have been located.

No additional agency records subject to the request have been located.

Requested records are available through another pubhc distribution program. See Comments section.

M are already available for pubhc inspection and copying at tne Agency records subject to the request that are identified in Apper@ utes)

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NRC Pubhc Document Room,2120 L Street. N W.. Washmgton. DC.

Agency records subject to tre request that are identified in Appendiatesi are being made avaitable for pubhc mspection and copymg at the NRC Pubhc Document Room. 2120 L Street. N W., Washington, DC. 6n a folder under this FOI A number.

The nonproprietary version of the proposal (s) that you agreed to accept m a telephone conversation with a member of my staff is now bemg made availaole for pubhc mspection and copymg at the N RC Public Document Room 2120 L Street, N.W., Washmgton, OC,in a folder under this FOI A number.

Agency records subject to the request that are identified in Appendix (es) may be inspected and copied at the N RC Local Public Document Room identified in the Comments esction.

E nclosed is mformation on how you may obtam access to and the charges for copymg records located et the NRC Public Document Room,2120 L Street, N W. Washmoton, DC.

Agency records subiect to the request are enclosed.

Records subject to the request have been referred to another Federal agencylies) for review and direct response to you.

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Fees You will be billed by the NRC for fees totaling 5 You will receive a refund from the NRC in the amount of 5 In view of N R C*s response to this request, no further action is bemg taken on appeal letter dated

, No.

i PART 11. A-INFORMATION WITHHELD FROM PUBLIC DISCLOSURE Certain information in the requested records is being withheld from public disclosure pursuant to the euomptions described in and for the reenons stated in Part 11, B, C, and D. Any rolessed portions of the documents for which only part of the record is being withheld are beme made evellable for public inspection and copying in the NRC Pubelc Document Room,2120 L Street, N.W., Washington, DC in a folder under th6s FOIA number, COMMENTS g i := -;'

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1 51G E. DIR ECTOR. Olvisa F REEDOM OF INFORMATION AND PUBLICATIONS SERvlCES A

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Ret FOIA-92-388 APPENDIX A RECORDS MAINTAINED AMONG PDR FILES G/

NUMBER QAIR DESCRIPTION 1.

3/28/90 Order to quarantine (#17) (2 pages) 2.

3/28/90 Maintenance Work Order (MWO) 19001576

(#31) (4 pages) 3.

3/29/90 Quarantined Equipment List, Rev. 2 (#34)

(2 pages) 4.

4/2/90 Quarantined Equipment List, Rev. 4

(#155) (1 page) 5.

Undated D/G Temperature Switch Calibration Data

(#178) (2 pages) 6.

Undated DG (1A/1B) Start Logs (#180) (6 pages) 7.

Undated Failures of Calcon Temperature &

Pressure Sensors at Vogtla Units 1 & 2

(#210) (3 pages) 8.

Undated Draft Corrective Actions for Site Area Emergency with attached Unit 1 status from 3/18 - 4/1/90 (#336) (10 pages)

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12:40 p.m.

3/28/90 I ordered Jiany Cash to quarantine the following:

Trip disk pack for Unit 1 ERF that was collected during, immediately prior to, and-immediately following the event.

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Jimmy will check if any proteus data exist. Hisunderstandingisthath the data have been overwritten.

If these data exist, they are also quarantined.

Warren L' yon s

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%*o COVER SHEET l

M'403 19001576 DATE: 03/28/90 SYSTEM:

2403 --

FORIMAN:

Mwo OVIAGE REQUIRED:

CLEARANCE:

YES No X

PARTS REQUIRED:

NO o f-U- ?C I

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__6 0 C RCN1 JCOP PRIORITY CODE:

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PRIORITY MODE PIANT ~ -

STATUS RESTRAINT RESTR CONTROL FIELD:

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STATUS p -wwgg -tc COMMENTS G - - -

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NUCLEAR PLAS! MAINTENANCE WORK ORDER (1 CF 3)

1. CONTROL NO. 19001576 00 2.DATE 03/28/90

3. UNIT 1

4. SYSTEM LIST 5.MPI/ TAG NO. LIST SA. REPAIR TAG MPL/ TAG (S) ASSOCIATED WITH SPECIAL INDICATORS 4*vt

6. PRO 5/ DIESEL GENERATOR 1A TRIPPED TWICE FOLLOWING 'IVO ACTJAL IDSS OF O WORK START CONDITIONS.

THE TRIPS ACCURRED AFTER APPROXIMATELY 80 SECONDS REQ.

AND 70 SECONDS OF OPERATION.

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7. INITIATOR KEN STOKZS 8.SUPRV JP REDDING IDC LIST 9.NWO CIASS S EQP CLASS LIST 10. UNIT STA'f,,,,, _,, _,,

ET P 11.FIM PR07BCT N 12.DCR N 13.HCR/DR H

14. TYPE MAI 15.DURATICH

16. CRAFT MICH(EST/ AC"fi ELEC(EST/ACT)'I!EST/ACT)

CONT (EST/ACT) HP/0T(EST71"E.

CREW 0

0 6

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SEE CONTINUATION SHEET COOPER ENERGY TO PERFORM WORK UNDER P.0 $6002124.

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25.8PEC REV REQ H OPS DATE DATE,,,f,,,f [ MNT DATE j

,,,j,,,, f ENG,__,, DATE __f,,,,,,,f[S I C.= = = = 2 6.MWO RELEAS E FOR WO HP j

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29. PERSON PERFORMINo woRx(NAME)

DATE 30.nAIFITWKRCE roRIMAN DAff" 31.YRDY27Y5K 7tKFORxtD sY

,,,,jd 32.NETHOD OF F.T.

DAT:

33. PROCEDURE f -

34.FERTOMED BY 35.DATE,,,,j,,,) ~

34.PROYES OPERABILITY ~ 39.!P UN8AT.COM. ACTION 37.METH00 USED TO PRON 30.8ATISTY./UNSAT18FY

40. UNIT STATUS AT TIHt*0P FA! LURE '

41.TYPt FAlt.

43. MODE OF FAIL 43.CAUs2 or FAILURE 44.DE'ttCT BY (l.tFFECT CH 8V8 "~~

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4 6.27P ON PLANT ~ ~ II.0PER. ACCEPT ST a *-477M90 STAT 40 48

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lo.NEW MWO OA 53.0808 APPROVAL DATE,,,j j S3.8PEC MV COMP DATE

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SS.CIAst OUT APPROVAL BY QC

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,, ecpy.. e;p NUCLEAR PLANT MAINTENANCE WORK CRDER (CONTINUII,e (2 0F 3)

CONTROL No. 19001576 00 MPL/ TAC No.

SYSTEM EQP CLS DESCRUPTION L::CCATION 12403G4001 2403 015 DIESEL GENERA!TDR 1DCGB1-12403PSDC2 2403 11J DG 1A ENGINE C:2lTRL PNL 10cGB1

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NUCLfAR P:.J.:;T MAINTENANCE WORK ORDER::PY *

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(CONTINUED)

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CONTROL No. 19001576 00 WORK INSTR.crIONS: PERFORM ENGINE 14GIC TESTING PER PROCIDURE 27563-C, C00PER ENERGY SERVICES PERSONNEL WILL BE PERFORMI REV 2.

ABLE PROTIONS OF THE PROCEDURE WITH ASSISTANCE FROM O FIRSONNEL, AS REQUIRED.

PROCEDURE NEED NOT BE RETESTED.THE ELECTRICAL PORTI ADDITIONAL INSTRUNENTATION MAY BE CONNECTED BY TEST PERSONNEL TO AID IN TROUBL ANY INSTRUMENTATION CONNECTED OR Ath.USTMENTS MADE S 7

DOCUMENTED COMPLETELY ON THIS MWO.

ENCOUNTERED WHILE PERFORMING THIS TEST. DOCUMENT ANY ITEP 1:

FOI24 WING THE IAGIC TEST THE ENGINE WILL BE STARTED IN THE EMERGENCY MODE AND A LEAX TEST PERFORMED ON TH LINES: it. * .*

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• TRIP I4N PRESSURE 2 8E OIL 3-C-

E-16A - TRIP HIGH TEMPERATURE JACRET MATER 2-j C-

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- TRIP HICH PRESSURE CRANKCASE E-92

- TRIP I4W PRESSURE TURSO OIL E TRIP IAN PRE 85URE JACKET NATER E-23H - TRIP HICH VIBRATION E-19

- TRIP MIGH TEMPERATURE ENGINE IEARINCS E 18

- TRIP HIGH TEMPERATURE WBE CIL.

TEST FOR LEARAGE SY DISCONNECTING ttit!NC AT CONTR BULIQlEAD AND CONNEC'?!NC PNEUMATIC SUBI*.E TESTER.

CBSERVE TESTER FOR AIR F14W WHEN LINE IS PREsf*!RIZED.

RESTORE TUSING CONNECTION AT BU1.$NEAD AND CONIINUE WITH NEXT INSTRUMENT LINE.

IIEP 92 NCRMAL START

-IRIP SY HI-TEMP WSE O!L IIEP $3 LosP START (JUMPER IN CEN CONTPOL PANEL 211 70 2132

-IRIP SY HIGH VI& RATION ItEP #4 NORMAL START

-TRIP BY H!cH PRESS CRANECASE ITEP $5 SI START (JUMPER IN CEN. CONTROL PANEL 20

-TRIP SY 2 0F 3 L.O. PRES 8URE

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NOTE fME AREA 0F TESTING SHALL RE R0 PED AND ENTRANCE EastNTIAL PERSONNEL AS OtTERM!NED BY C00PF.R MPRE8ENTA AND GPC EN0!NEERING.

8PC ENGINEERING SHALL DE PRt3ENT FOR ALL TESTING REPRESENTATIVE PRESENT AS REQUIRED.

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Page 1 of 2 QUARANTINED EQUIP 9ENT LIST REY. 2 NA 7140 J

ATTENTION oI-3'l-9o At all times, the licensee is responsible for quarantined equipment and can take ar. tion involving this equipment it deems necessary to:

Achieve or maintain safe plant conditions.

- ' Prevent further equipment degradation, or Test or inspect, as required by the plant's Technical Specifications.

To the maximum degree possible, these actions should be coordinated with the i

l Team Leader in advance, or notification made as soon as possible.

I Effective Time: 241000 MAR 90 The Licensee is maintaining the following Items Quarantined:

1.

POL Truck (A11ouable to use for normal deliveries) 2.

230 KV Insulator to Reserve Auxiliary Transformer IA (Broken on 20 MAR 90) 3.

All replaced CALCON Switches for IA 818 Olesel Generators 4.

ERF recorded Tri by J. P. Cash.) p Package - Unit 1 (NOTE: Database memory tape meintained The following restrictions concerning Of esel generator troubleshootirig, repair, and testing are agree to:

(This appites to DG A 4 DG B except as noted) 1.

Any component replacements will be concurred with by the Team Leader prior to perfoming the work.

All replaced components vill be retained until released by the Tome Leader.

2.

The followin test procedures will be reviewed by t w team prior to perfomance: g a.

1B UV Test b.

IA UV Test (#1) c.

1A UV Test (#2) 3.

The following tests will be announced to the team leader, or a designated representative. 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> prior to initiation.

It will not be performed untti approved by the Team Leader.

a.

It Sequencer Test b.

IB UV Test c.

IA UV Test (#1) d.

1A UV Test (#2)

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Page 2 of 2 QUARANTINED EQUIP 9ENT LIST The following personnel will not take vacation untti approved by the Team Leader (normal off days are not restricted):

All Operations Department Management a.

b.

All operators (Itcensed and non-Itcensed) in the C,arations Department who were on duty during the 20 Mar 90 event c.

All Event critique Team members SUBMITTED BY:

Mapser fixgr DATE:

77/d 29 /990 EXTENSION:

3759 BEEPER: /JB 0

Cb 5-/Sf~9' QUARANTINED EQUIPMENT LIST Revision 4, Dated April 2, 1990 ATTENTION At all times, the licensee is responsible for quarantined equipment and can take action involving this equipment it deems necessary to:

Achieve or maintain safe plant conditions, Prevent further equipment degradation, or Test or inspect, as required by the piant's Technical Specifications.

To the ma ximum degree possible, these actions should be coordinated with the Team Leader in advance, or notification made as soon as possible.

Except for the above, no licensee action is authorized on quarantined equipment without IIT team approval.

The IIT team will concur in the licensee's action plan for each trouble shooting quarantine item.

Upon approval the licensee will implement this plant and ensure the IIT team leader or designee is informed as agreed to in each action' plan.

The licensee is maintaining the following items Quarantined:

1.

All suspect components identified after initiation of the event associated with the starting or tripping of the 1A and 18 D/G.

I IIT TEAM LEADER 4-2.-10 Al Cha'ffee Date SUBMITTED BY H. L. Beacher Date EXTENSION 3769 BEEPER 138 4

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ITSH19153 LUBE OIL HIGH TEMPERATURE SWITCH DG1B Prior calibration was performed on 3/14/90.

At that time the switch was found out of tolerance with an as found of 300 'F to trip and 199 'F to reset. It was calibrated ar d returned to semcc with a trip of 199 ;? and a reset of 191 'F. It was removec from service on 3/23/90 as the suspectec, cause of DG1B tri switch, calibration was checked and would not calibrate within tolerance. p. The It was placed in storage on 3/23/90.

SWITCH TWO This switch was placed in service on 3/23/90 with a trip of 203.4 'F and a reset of 198.0 'F.

On 3/27/90 it was removed from service and it's calib checked. As found was 203.5 'F to trip ar d 199.5 degrees to reset. However, ration it was found to be venting continuously anc, suasequently replaced. The old switch was placed in storage on 3/27/90.

1THS19146 LUBE OIL HIGH TEMPERATURE SWITCH l

DGIA Prior calibration was performed on 3/3/90. At that time it was found out of tolerance with a trip point of 211.0 *;? and a reset of 203.1 'F The switch was I

calibrated and returned to service wita a trip point of 200.2 'F and a reset of 193 degrees On 3/30/90 the switch was removed for calibration ar.d found out of tolerance i

Tne switch also o,erated with a trip $oint of 190.4 'F and a reset of 188.0 'F. d to trip point of 201.27 'F sluggishly.

t was replaced with a new switch calibrate and a reset of 196.20 'F. The new switch was returned to service. The original j

switch is in storage.

ITSH19117 JACKET WATER HEATER OUT HIGH TEMPERATURE SWITCH DG1B Prior calibration on 3/14/90 was within tolerance with a trip point pf 201 'F and a reset of 193 'F. h was found out of tolerance with a trip point of 190.6 and a On 3/26/90 switc reset of 182.4. Further investigation determined a small leak. A new switch also failed leak test. A third switc3 calibrated correctly with a trip noint pf 200.67 degrees and a reset of 196.93 'F and was returned to service. The o'ld switches are i

in storage.

1TSH19119 JACKET HEATER OUT HIGH TEMPERATURE SWITCH 1

n tolerance with a trip point of 200f r calibration on 3/14/90 was t

and a reset of 194 'F' switch was found out of tolerance w int of188.2 y On 3/26/90 the eset.of 180.6 'F. Further investigation determinect a smali

.A Was ino'aerable due to a missin gasket. A third switch was ca point of T.98.57 and a reset 191.f0 and returned to service. Old swt ge.

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l 1"SH19153 LUBE OIL HIGH "gPgRATURE SWITCH Prior, calibration.vas cerformed on 3/14/90.

At that time che switch was found out or tolerance with ah as found of 300 'F to tric and 199 'F to reset. It was calibrated and returned to aenice with a trip of 199 'T and a reset of 191 'F. It was removed from service on 3/23/90 as he suspectea cause of DG1B trip. The switch calibration was checked sad woul not calibrate within tolerance. It was placed in storage on 3/23/90.

SWITCH TWO This switch was placed in service on 3/23/90 with a trip of 203.4 'F and a reset o 198.0 'F.

On 3/27/90 it was removed from senice and its calibration chec'.se. As found was 203.5 'F to tno ar}d 199.5 degrees to reset. Swever. it was founc The old swicen was

' placea.to be venting continuously and suosequently raplaced.

in storage on 3/27/90.

1THS19148 LUBE OIL HIGH TEMPERATURE SWITCH DGIA Prior calibration was per~ormed on 3/3/90. At that time it was found out of r.oierance with a :np point of 211.0 *F ano a reset of 203.1 'F The switch was l

calibrated and returned to sen-ice with a trip point of 200.2 *F and a reset of 193 degrees On 3/30/90 the switch was rfmoved for calibration and found out o The switch also coeratea oint of 190.4 'F anc a reset of 188.0 'F. d to trip comt of 201.27 *.

with a trip t was replaced with a new switch calibrate sluggishly.

ano a reset of 196.20"F. The new switch was returned to service. The originat switch is in storage.

ITSH19117 JACKET WATER HEATER OUT HIGH TEMPERATURE SWITCH DG1B Prior calibration on 3/14/90 was within tolerance with a trip point pf 201 'F

.ina a reset of 193 'F.

On 3/26/90 switch was found out of tolerance with a trip da f,aileo.of 152.4. Further investigation determined a sm reset A new switch also leax, test. A thira awiten calibrated correctly with a trio goint of 200.67 cegrees anc a reset of 196.93 'F and was returned to service. The old switches are m storage.

ITSH19119 JACKET HEATER OUT HIGH TEMPERATURE SWITCH DG1B Prior calibration on 3/14/90 was within tolerance with a trip point of 200 (F and a reset of 194 F.

'th a t '

oint of 188.2 'F and a,On 3/26/90 the switch was found out of tolerancereset of 180.6 'F. Furthe ak. A new switen was inoaerable due to a missin asket. A third switch was calibrated with a tnp point of 1.98.57 and a reset 191.

and returned to service. Old switches are in storage.

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CGEASING *.4AD IC 7000 W 0301 tc/O > 6800 W 0310 IT ',AS DLTC9tDED TET DG'A sVITQ*D 10 C.*IT lODI AS A RIS'/ T OF SPFC.AL SE.** WJER TEl" ?DCDUPI BY CiGO EEP.EU.

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'DD CFDAUCN 1324 TIE BRLy3R C?D 1326 SHtC OWN 1405 FLACD :: STA!;DBY ?IADC.TSS 1700 D/C DECIARED OD?ERAF.1.E 1741 (BAT "A" DEIID) 2031 D/C Of.Mf:E;ANCE !CI TCR

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NOTE: All stnets unless otherwise noted are from the Control Room

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J d 0* 3M RAFT i

ATTACHMENT V0GTLE ELECTRIC GENERATTNG PLART CORRECTIVE ACTIONS FOR SITE AREA ENERcENCY 2

'On March 20,1990, a $1te Area Emergency was declared due to a loss of offstte power concurrent with a loss of onsite Emergency Diesel Generator capability.

In accordance with VEGP Procedures, an Event Review Team has investigated the events leading up to and following the Site Area Emergency. This review team identified four main problem areas associated with the event. These problems involved low voltage switchyard access controls. Olesel Generator failures, Emergency Plan implementation, and procedures for shutdown plant conditions. A sumary of the findings and completed or planned corrective actions follows.

The low voltage switchyard access control problems were the result of inadequate

^

procedures. This wes compounded by a lack of attention on the part of the driver of the truck. These were the direct cause of the event. Furthermore, while site procedures required a security officer to accompany the vehicle-in ons he was unable to assist the the protected area, due to vi 9

driver, q

To prevent this type of inittcorrective actions have been or are being implem n

I r

recurrin The truck driver was disciplined for lack of attention and alertness in o

backing the truck when visibility was impaired.

A management directive on control and operation of vehicles was issued to o

all site employees. Administrative procedures have been revised to incorporate this management directive.

Security officer training will be revised to emphasize that officers have o

authority and responsibility to assist vehicle operators to assure safe vehicle operation. Specifically, security escorts will ensure that ground guides (flagaen) are used when large vehicles are maneuvered inside the protected area. These changes wil, be implemented by 8-1-90.

Outage Area Coordinators have been instructed to stage welding machines and o

other materials on the east and west ends of the Turbine tut 1 ding, whenever possible, to avoid unnecessary equipment and vehicle traffic in the low voltage switchyard.

4 1

j l

DRAFT ATTACHMENT (CONTINUED)

V0GTLE ELECTRIC GENERATING PLANT C0ARICTIVE ACTIONS FOR 11TE AREA _DIERGENCY i

.o Maintenance procedures will be revised to restrict staging of equipment in the low voltage switchyard. The procedures will be revised by 6-15-90.

o Barriers were installed with signs which require authorization from the Unit Shift Supervisor for vehicle access to the low voltage switchyard.

o Plant procedures have been revised to control hazardous materials and transient combustibles in the low voltage switchyard and other sensitive plant areas.

The most significant problem area identified by the review team involved the j

failure of Diesel Generator 1A to remain running to provide emergency power.

The event team utilizing utility and vendor tecuitcal experts, reviewed the two sequential failures of the diesel engine. The cause of the first trip can only be postulated, but most likely is the same as the second trip. The ongoing investigation indicates the most likely cause of the second trip was intermittent actuation of the jacket water temperature switches. A problem with restarting the diesel occurred because the Engineered Safety Features Actuation System (E5FAS) sequencer logic and diesel generator start logic (as designed) resulted in the diesel engine bein d out following the initial trip until the sequencer logic was reset.

As a result of the event investiga ing actions have been or are j

being implemented to ensure a high state of diesel generator reliability.

)

o The suspected switches were replaced and extensive diesel generator testing was performed to ensure operability prior to return to service.

1 o

Investigation of the suspect-temperature switches has been performed by an independent testing laboratory and a report is expected by 5 18-90. The investigation revealed that the temperature switetes are sensitive to 1

calibration techniques and foreign material within the switches.

i o

Maintenance procedures for temperature switches have been revised to include lessons learned from laboratory testing. All jacket water high temperature switches will be cleaned and calibrated using the revised procedure by j

5-31-90. Other non-essential trip temperature switches will cleaned and calibrated at their nomal calitpration cycle.

o Vendor failure analysis of a low lube oil pressure switch will be conducted and results of this analysis will be used to detemine if procedure changes, cleantng or re-calibration is necessary for various pressure trip switches on the DG.

e The Corporate Maintenance Support Department will perform a design review of The review will be completed by 9-1 provements will be made the diesel instrumentation.

Corrective actions or im if appropriate.

90.

2 l

l---..------.

DRAFT ATTACHMENT (CONTINUED)

V0GTLE ELECTRIC GENERATING PLANT C0ARECTIVE ACTfoN1 FOR SITE AREA fMfemfNtY o

The Under Voltage (UV) diesel start was changed in both Units 1 and 2 to be similar to a Safety injection emergency start. This provides a higher degree of reliability for UV bus conditions and eliminates the need for resetting the sequencer, o

Operators have been instructed on the emergency start modes of the Diesel Generator. Operating procedures have been revised to address Diesel Generator restart following trips. Training will be provided on the revised procedures by 9-15-90.

o A policy detailing guidelines for logging pertinent alarms and indications to assist in evaluation of equipment or system malfunctions has been developed and applicable procedures have been revised.

o Af ter engine overhauls, functional diesel testing will be enhanced to include pubble testing to e h a lo c system has acceptable

leakage, o

Trend program data is being en re OG component failures are adequately included. The data review will be completed by 6-5-90.

Notification of state and local government agencies was not timely due to a loss of power to the primary Emergency Notification Network (ENN). Communication errors, a lack of understand'ng of ENN power supplies, and inadequate supervision of the notification process were also identified as Emergency Plan implementation problems.

Information flow to the General Office resulted in inaccurate information being provided to the media. There was confusion among plant personnel concerning assembly and accountability procedures.

The following actions have been implemented.

o The State of Georgia ENN circuit and Burke County have been added to the Backup ENN.

o The General Manager has issued memos to the plant staff to ensure proper functioning of:

)

1.

Assembly and Accountability procedures.

2.

ENN Connunications procedures.

The following corrective actions will be implemented by the dates indicated.

o Battery backup power will be provided to the primary Del in the control room by 9-1-90.

o An evaluation will be performed to review and reconeend further improvements in notification systems. This evaluation will be completed by 6-1-90.

3

.cy.cs ' M 1112e

• ":5~.NOP O-vC3r.E

.c 4

2-o.,

.oo.

e DRAFT ATTACMENT(CONTINUE 0)

V0GTLE ELECTRIC GENERATING PLANT CORRECTIVE ACTfqNS FOR t!TE ArtA ENERCENCY The Manager Operations and the Nanager Training and Emergency Preparedness o

willconducttrainingforallEmerpencyDirectors(ED's)toreviewtherole and responsibilities of the ED inc,uding lessons learned from this event by 1

4-1-90.

o Control room comunicators and Emergency Directors will receive training in the operation of and power supplies for emergency comunication equipment.

This will be accomplished by 4-1-30.

The Emergency preparedness group will establish a monthly test program to o

validate Emergency Response Facility (ERF) computer data by 6-15-go, o

The Corporate Emergency Response organization (ER0) will be included on the ENN by 7-15-30 to provide another means of ensuring the transmittal of.

accurate information to the Corporate Office during emergencies, o

The Corporate ER0 will be trained in the use of available communication systems to talk with the site by 6-15-g0.

o A full-scale assembly and accountablitty p fomed by 6-15-90.

o A full-scale assembly and accountability drill will be included as a regular emergency plan objective. Procedure 91602-C "Emerlency Drills and Exercises", will be changed by 8-1-30 to reflect t11: comitment.

in the Emergency Plan will be Changes to Emergency Action Levels (EALs)EAL Report presently under review o

requested from the NRC based on NUMARC's by the NRC. Appropriate changes to the EALs will be completed 6 months after NRC approval of the NUMARC report.

Plant procedures did not sufficiently address or control plant shutdown conditions encountered during the emergency.

The procedures covering loss of Residual Heat Removal (RNR) will be revised o

to include the various Reactor Coelant System (RCS) and containment conditionspresentduringanoutageoraLossofOffsitePower(LosP) event.

The Abnormal Operating Procedure (A0P) and Unit Operating Procedure (UDP) i will include the fellowing:

For U0P at reduced inventory (less than or equal to 3 feet below the vessel flange) t)

One diesel and two offsite power supplies or two diesels and one offsite power source must be available to feed vital 4160 volt buses, gr,the equipment hatch must be in place, with 4 bolts installed.

A 4

8 e

DRAFT ATTACHMENT (CONTINUED)

V0GTLE ELECTRIC GENERATING PLANT COL lCI1Yi ACTIONS FDA SITE ARIA EMERGENCY

~

11) RCS must be cooled to 1100 degrees F for reduced inventory operation with the equipment hatch open.

ForADP(l.ossofRHR) i)

A loss of power condition will be specifically addressed in the procedure.

11) The time-to-boil curves will be adjusted to address a 1100 degree f starting point for accidents.

These procedures will be revised by 7-1 90.

o A procedure will be written to address backfeed from the Unit Auxiliary Transformer (UAT)totheESFbusses. This procedure will be completed by 9-1-90.

o The capability to close the equipment hatch without electrical power will be evaluated by the next refueling outage, o

Training will be provided for licensed operators on the procedure revisions resulting from this event. In addition, Senior Reactor Operators ($Ros) will receive traininp on the mid-loop boiling and cooling mechanism.

Initial training wil be completed by 9-15-90.

DRAFT

~

5

UNIT 1 STAIWS Fast 3-18 T3 4-I-90 ACTIVE LCS s/G est BA1E WIT STAWS 3-18-90 INeli IN MIDE 6, UPPER INTERNALS SET l-90-254 IFT-18. AFT-10848 NONE AND RCCA's LATCHED, ECCS CHECK VALVES 1-90-331 18 CREFS FLOW TEST ColfLETE, CAVilY DRAIN 00688 1-90-333 FH8 RAD MON 110RS IN PROGRESS. UltlT AT MIDLOOP A1 0800.

1-90-324 AIR-19910 SEISMIC INSTRisENT i

i 3-19-90 Ultli IN M00E 6. CAV11Y DRAINED AND l-90-254 IFT-18 AFT-10843 NOME i

VESSEL HEAD SET, DECCINillIG OF VESSEL I-90-331 18 CREFS CLOSultE STUD HOLES III PROGRESS.

1-90-332 18 ESF CNILLER l

3-20-90

' UNIT IN M00E 6 HEAD SET AND STUS 1-90-331 18 CREFS DG18: OUT-OF-SERVICE (005) FOR OVEltHAUL TENSIGIllNG IN PROGRESS FILL Als 1-90-332 18 ESF CHILLER SINCE 2300 0F 3/13/90 VEllT OF LETD0001 IN Pfl0GRESS.

1-90-349 FHB PAVS A TRAIN DGIA: 0820 BLACK 0UT STARI AIID 1 RIPPED AFTER 80 SEC. 0841 BLACK 0UT STARTED AGAIN AND TRIPPED AFTER 70 SEC. 0856 LOCAL MR800AL EMERGENCY 8REAKGLASS START AIID MRilUAL STOP AT 1326.

2119 START AND SIOPPED AT 2206 SWAPPING FROM " RAT 8" TO " RAT A" 2223 SIART AND STOPPED AT 2228 08SERVA110ll/TROUBLESH00 TING 2233 START AII0 STOPPED AT 2254 OBSERVATI0ll/ TROUBLESHOOTING 3-21-90 Ultli IN MODE 6. HEAD SET. INVESTI-1-90-331 180REFS 0G18: START STOP GAfilIG DGIA PR06LEM, RES10 RING l-90-332 18 ESF CHILLER 2149 FAILED TO START 1-90-349 FH8 PAVS A 1 RAIN

'2156 FAILED TO SIART

'r DGl8, CHARGilIG AIIS LETDOWit FILLED 2202 2217 STOPPED MAIIUALLY l-90-353 DGIA VENTED Afl0 IN SERVICE 2259 2301 STOPPED MAIIUALLY DUE TO Le PESS.'

AIID HI F0GP 2314 2318 STOPPED MisA(LY DUE TO HI F0 n P t

a

~

PAE l i

WIIIT 1 STATUS FAWI 3-13 T3 4-1-90 ATE apIIT STATUS ACTIVE LCO p/s 33 90 UNIT IN MODE b. HEAD IS FULLY TEN-1-90-331 18 CREFS DG18: SIART STOP SIONED. SET UP OF DGl8 IS IN PROGRESS 1-90-332 18 ESF CHILLER 0017 0023 TROU8tESH00TiltG 1-90-353 DG 1A MAIOUAL STOP 0428 0429 TROUBLESHOOTING MAlluAL STOP 0714 0730 TROUBLESHOOTING MANUAL STOP 0854 0857 TROUBLESHOOTIIIG i

MANUAL STOP 0921 0926 TROUBLESHOOTING MANUAL STOP 0950 0955 TROUBLESHOOTING MANUAL STOP 1002 1011 TROUBLESHOOTING MAleUAL STOP 1101 1244 TRIPPE0 011 HI LO TEMP.

1-23-90 UNII IN MODE 5. LOOPS NOT FILLED. PREPA-1-90-331 18 CREFS DGIA: 0254 0405 TROUBLESHOOTING RAll0NS FOR RCS FILL AND VENT ARE IN 1-90-332 18 ESF CHILLER MAIIUAL STOP 1-90-362 RCS INTEGRITY (RID 1724 1724 INADVERTANT PROGRESS.

BYPASS VALVE REMOVAL)

STARI CONTROL ROOM I-90-353 DGIA DG18: 0509 1202 RECEIVED 8 PHASE ISO UV RELAY ON START 1730 1733 TRIPPED Oft LO JACKET WAIER PRESS /TUR90 LO PRESS 1744 2221 1R008tESH00TIIIG MAIIUAL STOP 3-24-90 UlllT IN MODE 5. LOOPS fl0T FILLED l-90-331 18 CREFS DGIB: 0048 0121 RECEIVED TRIP CHARGING. LETDOINE A310 SEAL INJECTION 1-90-332 18 ESF CHILLER Oft HI JACKET MATER HI TEfr ALARet, ARE IN SERVICE. REPAIR TO THE RTO l-90-362 RCS INTEGRITY DGl8 SHOULD HAVE BVPASS MAllIFOLD IS C0frLETE. C018EllCING l-90-353 DGIA-TRIPPED BUT DID N01 FILL ANO VENT OF THE RCS.

3-25-90 Utili IN MODE 5 LOOPS 110T FILLED. MID-LOOP l-90-331 18.CREFS OPERATIONS TEllMINATED AT 1900. RCS FILL I-90-332 18 ESF CHILLER AND VENT C0fetETE. PREPARING FOR ILRI.

1-90-362 RCS INTEGRITY PAGE 2 1-90-349 FHB HVAC TRAIN 8

SAIE INIT STATIIS ACTIVE LCS 3/G min 3-26-90 UNIT IN MODE 5.

PREPARING FOR 'lLRI l-90-331 IB CREFS 1-90-332 18 ESF CHILLER 1-90-353 DGIA/DGl8 3-27-90 IIIIIT IN MODE 5.

PREPARING FOR ILRT.

1-90-331 18 CREFS D618: START STOP IIIVESTIGATING RI VESSEL HEAD FOR l-90-332 IB ESF CHILLER 1649 1822 AIR LEAKAGE UPPER CAIIOPY SEAL LEAK 1-90-353 DGIA/0G18 TESillIG 1909 2009 CONTROL LOGIC TESIIIIG 1951 1954 CGIITROL LOGIC TESTING 1957 1959 CGIli1IOL LOGIC TESTIIIG 2004 2010 LAST CGIITIl0L LOGIC TEST 2220 2317 UIIDERVOLTAGE TEST 3-28-90 UNIT IN M00E 5.

PREPARING FOR ILRT.

1-90-331 15 CREFS DGIB: 0403 0537 $URV. IESTING TESilIIG 011 DG18 CGItLETE AIS DGIS 1-90-332 18 ESF CHILLER 1350 1355 FUIICT. TESillIG 1356 1400 EERGEIICY STARI DECLARED OPERASLE AT 1527.

1-90-353 DGIA MAIISAL STOP i

3-29-90 UIlli IN IWDE 5.

ILRT IN PROGRESS.

1-90-331 18 CIIEFS DGIA 1109 1158 T-ENG-W il UV TEST PItEPARING TO RUN UV TEST 011 DGIA I-90-332 18 ESF CHILLER l-90-353 DGIA i

DGIA:

1920 2115 EElIGElICY 3-30-90 UIllT IN seBE 5.

ILRT C9FLETE.

1-90-353 DGIA START TO DGIA flugt FOR ButSLE TEST I-90-373 A&S FHS HVAC PERFORM l

BUSBLE TEST.

2235 2241 EIIGINE RUIl FOR LOGIC TEST IIGIWIRL START AIS TRIP FA0H HIGN TEfr.

LUSE GIL Sitel-LAT1011.

i 2313 2316 EIIGIIIE FAMII FOR LOGIC TEST 1101t-IIRL START AIID TRIP FROM HIGH VIBRATICII SiteH AI1Get

-1 INIIT I STATUS FRWE 3-18 10 4-I-90 DATE IMIT STATUS ACTIVE LCO D/G ME 3-30-90 DGIA: START STOP (CONTINUED) 2328 2334 ENGINE RUN FOR LOGIC TEST 300RMAL START AND TRIP FROM LOW LUBE Olt PRESS.

SIW LATION 2343 2347 FINICTIONAL TEST FOR 900 89-VIN 057 NORMAL START AND STOP.

2348 2358 FullCT100tAL lEST FOR POD 89-VlM057 (L.O. TRIP CIR-CUIT) LOCAL ENER-GENCY 8REAKGLASS START.

3-31-90 UNIT IN MODE 5.

INITIAL BUBBLE TES1 1-90-373 A&8 FHB HVAC 0012 0014 FUNCT. TESI FOR ON DGIA IS COMPLETE. STRUT INSTALLA-1-90-353 DGIA MD0 89-VIN 057 0016 0019 F.T. FOR PWO 11011 ON 'B' RHR PUNP 15 IN PROGRESS.

89-VIM 057 LOCAL EE RG. BREAKGLASS START 1827 1837 ENGINE RUN FOR LOGIC TEST NORMAL START AND STOP 1846 1847 ENGINE RUN LOGIC TEST STARTED'Will 2 HIGil TEW. J.W.

SENSORS VENTING.

1856 1857 STARIED W 2 H.T.J.W. SENSOR 5 VENTING.

1904 1906 STARTED W 2 J.T.J.W. SENSORS VENilNG.

~'

UNIT I ST;TUS FMM 3-18 TO 4-1-90 SAIE WIT STA1WS

~

ACTIVE LC0 D/s 33 3-38-90 DGIA: START STOP (CONTINUED) 1921 1922 STARIED W LOW PRESS. J. W.

SENSOR VENTING.

1955 2012 ENGINE RUN FOR f

LOGIC TEST NOR-MAL START Alt SIfRILATED TRIP.

,I t.-

2253 2320 UNDERVOLTAGE TESTi.1 4-01-90 UNIT IN MODE 5.

UV TEST Oft DGIA IS 1-90-373 A&B FHB HVAC 0423 0556 $URVEILLAllCE 1EST$

CWFLETE. PREPARIIIG FOR IBA03 SWITCH-PROCEDURE 14980-1**

GEAR OUIAGE DGIA OPERA 81LITY TE;ST IS CopFLETED AND DECLARED DGIA OPERA 8tE AT 1154.

i' E

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11 D

PAGE S

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