Text

Rev 4 to CPSES Inservice Testing Program Plan
	ML20085C740
Person / Time
Site:	Comanche Peak
Issue date:	10/03/1991
From:	; TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:	;
Shared Package
ML20085C738	List: ML20085C735; ML20085C740;
References
	PROC-911003, NUDOCS 9110110025
	Download: ML20085C740 (32)
	v • d • e

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NOV'21 '91 10:21 PAGE.004 ENCLOSURE 1 70 TXX-91368 REVISION 4 TO THE CPSES INSERVICE TESTING PROGRAM PLAN r

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NOV 21 '91 10:22 PAGE.005 CPSES/lST COMANCHE PEAK STEAM ELECTRIC STATION INSERVICE TESTING PROGRAM PLAN INSTRUCTION SHEC' The following instructional information and checklist is being furnished to nelp insert Revision 4 into the Comanche Peak Steam Electric Station IST Program Plan.

A new sheet is furnished to replace each sheet containing changed noterial.

Discard the old sheets and insert the new sheets, as listed below.

Remove Insert Table NO. 1 (Pege 1)

Table NO. 1 (Page 1)

Table NO. 3 (Page 5)

Tebla NO. 13 (Page 3)

Table NO. 13 (Page 3)

Table NO. 14 (Pages 1 & 2)

Table NO.15 (Pages 3.6 & 7)

Table NO. 15 (Pages 3,6 & 7)

Tools NO. 21 (Pages 1.2 & 3)

Table NO. 21 (Page 1)

APPENDIX A APPENDIX A (Pages 35.36,41.42,55.58 & 67)

(Pages 35.36,41.42,55.58 6 67)

APPENDIX B APPENDIX B (Pages 3, 5 thru 8)

(Pages 3, 5 thru 9) 1

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NOV 21 '91 10:20 PAGE.015 CP$ES tNSERVICE NO PRM M KEV 1510N 4 PAGE 35 REUEP REQUEST NUMBERt 13.1 3ygTot Containment Spety 4

VAL \\T. NUMBEk:

ICT.142, ICT 145, ICT let. ICT 149 CATIOORY:

A/C, C CLASS 2

FUNCTION:

Spray Header Check Containment 1solatice: ICT 142, ICT 145 g

Spray Pump Sehe ChocC: Velv, hoe hh Recirvulados Sunspe: ICT-144, ICT let TEST RIQUIREMEt(TS:

Exercios velve to Position required to fulful lu functboe a tema ooos every 3 recettu is accorduu wah IWV.3320.

Basts FOR RE1.!EF:

ICT-142. ICT 145 Pow,r Opersion and Cold Shutdows To full or partial s.roke them valves, Nw from the containment spray pumps would have to be lakissed la a aos isolable flow path. Exercising these valves with water hw cannot be scoosoplished whout deleging contamment throwsk ryare sprey noujes ruutting is potental eqtnpment demage e.ad snettag a significant cleanup problem q the conta4amset ICTlet,ICTlet Power Operube med Co&d Shadoes He. y menes exisas u fd or parthJ stroke usarses these valves or to verify operados for tWe Sow pash as due W soecie is the ~~=aw semp.

4 he investory escommary to exercase these chedt v*as esists oefy during post eacdont coedbes when the RW5T hm been depland and discherymd to the cessahment semp. Full er pwtial earnka awnasang thmes valves with Sow toeld letrodesus endsminNe low gentky wussa huso the rust)vety cJens Wah apruy syssass, the reheling meest enernes task and addenesely hone the rummer coolant sysseen, la addes, a coastsat ansirsup eserne to the ea=**====* asey would be seossaary to ressors lost invgenary.

Due to the similar function of theos valves, the snedkions obeerved during Alternau Teeung of one valve will be repressatative of the others. Perfoca the Ahernate Testing on as valves is a l4 s

bardship wuch is not cornpeasated for by as kh level of quelty or safety ALTERNATE TESTD40-Verify operability of the valves by partially d6aing, manually exercising ane visually taapecting the internals of one of the valves at each edssing emage ce an aherneting schafvle< If this valve is found to be inoperable them the oeer valves will be diaaaaa=%d and inspectes bufore any valve will tw declared operable, nis relief regwest is pro-approved by Omsris lesser 99-04 Astachsnest I, Pookmes 2.

4 APPENDIX A Li __

QR D__'__

9 CP5ES.INSERYlCE 1T.3 TING PROGRAM PLAN RIV183ON 4 PAGE M RELIEF REQUEST NUMBER I?.2 (DELETED) 4 APPENDIX A Y -

NOV 21 '91 10429 PAGE.017 i

CPBIS INSEAVICE TEST'aNO PROGRAM PLAN REVISloN d PAGE el REUEF ILEQUEST NLWm-13.d SYSTEM:

SafaylaMoos e

VALVE NUMBER:

14tS6A.189564,189MC,18954D CATEGORY:

A/C CLAS$

1 FUNCTION:

Vehen I 8956A.B.C. and D opee se llow from, the cold leg accumulsors to provide flow to the reactor coolant eysom cold legs.

4 TEST REQUIREMENT Esercise vwve to poenas required to fairul their fuscuos as least ooce every thew months. (Twv.

3530)

BA313 FOR REUEL POWE1 OPERATIONS AND COLD SHVTV0WN. Velva 14954A. S. C, and D canna t.e fWl or part aroke exercised during power opwation since co6d leg accumulosor pressure canam oversoew reactor coo 4ast symem preneurs During ooid shutdows, fv!! tir pwtal ante exercising these valves could resuh is a low temperstwo overpreneurtsetioe of the reactor coolant systems which would c.seemd the deelyn lisaitation of the system and adversely affect plant safery, ALTERNATE TESTIN0:

18954A,5,C & D. Verify operebulty of these velves by partial dieasseeMy, visual inspecuos o the lasernals, and the mammal esercies of oes of the few valves as each refeaiing outage os as aherneung schedule, If this valve is found to in inoperske thee the other three valva wdl be diensassoided and law before may of the few ons be decles1W openble. Upos compimes of the disasseeMy cycle for these four cheek vehm, k wit! be evaluesed if a modified inspection cycle is appropriate based os inspection results and WOO e.pensece This is considered appropews due to the locsion of these vdves is a high radiatlos area.

i 1-APPENDDC A 1

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NdV-21 '91 10:30 PAGE.018 cPsts-IN5ERV!CE TESTINO NtoGRAM PLAN REVISION 4 PACE 42 RELJEF REQUEST NUMBER:

15.4 TH13 PAGE DELETED 4

O APPENDIX A

.E1 I [.

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Ndu '21 '91 1 0 : 3 1' PAGE.019 CPstt-INSERVICE TEST 1NO PROGRAM PtAN REVislON 4 FACE SS RELIEF REQUEST NLMBER:

15.17 (DM) 4 APPENDIX A

NOD 21 '91 10:31 PAGE.020 CPSE!NSERVICE TE311NG PROGRAM PLAN REVISION 4 PAGE H REUEF REQUEST NL'MBER:

13.20 (DELETED) 4 l

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APPENDIX A 1

+ % )..

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vd> 21 '91 10:32 PAGE.021 CPsta fNSEAYlCE TE.mHQ PROGAAM PLAN REV1510N 4 PAGE67 0

AELfEF REQUDT NUMBEA:

21.1 l DELETED)

APPENDIX A 4

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NdV 21 '91 10:32 PAGE 022 l'

CPSES-INSERVICE TE3TINO Pit 0 GRAM PLAN RIVulON 4 PACE 3 MAIN STY.AM. ItEMEAT AND STEAM DUMP SY$TEMS geenev B Va!va l

4 Valvu l HV 2333 A. I.HV 133s A.1 HV 2335 A and 1.HV 2336A. main stearn isolatsoe valves, sannot be full aroke esercised dunng power *Ps Wien. Ctosirig thste vahoe to accotaplish aroke time tasting could roult in o.a interrupt.on of main asam flow from the associued steam gaaerator to the high premure turbias and could teeWt is a plant trip. Nu valves will be panial aroke sacrcised quarterly arid fwlbetroke stercised duruig coid shutdowns.

Caleror, C Valves Valves IMS-142 and IMLl43. maa menm to turbine drives AFWP =w be easrvised to their closed safety poskion during power operstna. Full aroke tosing to the open poshe will be accompliebed quanerty by paastag mean flow which is equal to or grower thaa the aceMont resguired flow through h valve. However slosure testieg et power wwd require toolsing the shed valve under tem from na respective naam genermor by shutting the manual upstrous isolation valve. To verify clowre high pressure steam wovld then have to be vented upareano of the check which is a safety coocern. N closure tem for these cha:k valves will be performed duruss cold shutdowits wtes teettag caa be safely accomplishod.

AUXILIARY FEIDWATER SYSTDd cizemory C Valva Valvve I AF473. 078. 083. 086. 098,101 sad 106, auxiliary feedweser to the sween genervsors, are require to open to delivw flow to the generasore as well as to close to prevent a running pump free recirculating back through a soe-rusakag pwap. hee check valves also have a secondary functes la the closed postion to pa vens back leekage fman b emia feedwster eyases. These valva cannot be fully or paitaally arched during pvwer operatioe. Emersking hee check valyw w the opea postics or to the opea position and back to the closed potka could result is damage to the aanitiary feedwuee nozzles, & aux 2iary feedwater flow nuessary to aroke these valves is not pcebestad and, t6mdore, would came ao vannessary thermal shock to thcae actzin, A wries of thermal shocks tG the auxiliary feedweer soulw weund eveaually result in morale degraAmion. These valves will be fulkaroks exercised to b opea postion sad to the closed positioa during cold shutdowsa. Cold shutdown testing buludes forwsn$ Cowing through the salves wath an amaaliary festartter punip which exposes the adjacent aca-runcing pump's check valva to a toverse differesial preneure. Chwa vdve operability. S %

casa, is de:nonstrated by verificauon of the required misuses flow estivered to the aseem generesne h is reco5miaod ha l

them check veJvee perform their cloud safety fnctica is series mth other vyson check valva (ie. putap die hnrge check valves), Thus, addkional tosiag is performed daring cold shedowns to demonarese cloeure adividually. N check volvse are laolated upstrum and dowwas a and a reverw dif4ctatial pressure la impressed ectres :Ae valve througv. t tats connectios. $ebeeqwatly an upaream vest is opened and a leakage obeervues is made to ascertais valve closm. Further, wee the plant is et poww. the closure of the check valva is moeisoced continuoeely. INtics osch ahift, the pump casings and discharge piping are cheded for increance in temperature above sarbises-APPENDtX B l

1

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NO'V 21 '91 10:33 PAGE.023 CpSL1-!N31.RVICE TESTING FROCRAM PLAN REV1510N 4 PAGE 3 PORV's, l.PCY.435A and I PCV 450 we na required to ska down the re aoe to the oo'd 6husdows condaios. Thy are, bootver, requird a be avaihbb dvring power speistion to preent cha!!sagw to the pmssurizar ufary vdves. They mey be requitsd daring shwsdown cyeratioat w pro *ide overpromuro proustico.16 orter to etsimas h coaanquence of a PCRV sackisig open, these vehen wul to full.uroked smercised during sold shutdo >ns.

COMPRESSED A R SYSTTM Catem A vahes Valve 1 HV 3457. instrwrosas air to containment carurx be full or partial aroke exercised during poner operation. coe.ng this va vn to accomplish sune time testing isolatce inarament air to the scatauuneat and this sat is required for plant contret. Teming could rorwt is a plaat try and/or crerational trartsant. This vdve will be full stroke esercised during cold shutdowns wtWe laArumed air to the contahmerd c4e be escured wkhoet beving na impact on plant operstaona.

VENTIL/ T'ON CH111ED WATER SYST8N Casemy A van 2R Va!vm I HV-6c83. I HV-6083 and 1 HV 6084, veataukoe chaled water to med from sostainment isolation velvu, canom be fall or partial stroks emers;aed duties power cpration Cosing has valves to siccoinplarA side tisw tasting isolues el ventilation rndled est,ar eya"n but beds in the comainment. la addnios, valve fallare during testing could rwult to saceeding contamnent temperature Technical Speciracetion limits and powildy result in damage to enviroamanully qualired electrical equipmaat. These valvt. w0l be full arcie rAsrcia,,,wrttj oold ahmJow a when rootBWios chuled water cooling La the coaulament car. be afety secured.

RESIDUAL HEAT REMOVAL SY3 TEM Catre A Vdves Valves 1870) A and B and 18703 A and 8. RCS hot leg to RHR Wswe vWym. caanot be full or partid aroke exerciud during power operaten same was vaJves are interiocked with RC3 pressure weich prevents openir.g thces vdves when RCS ptsuure is greater than 4:3 paig. These veJvse wal be fun stroks exercued during cold shutdown Catem B Va!ves Valves 1-8716A and 1-87163, RMR croatie varva, la accordance **h IE laformatios Notire No. 8741, wul est be exercised during power operson. Fagare of ekbar vaJve in the closed poskion, cowment wkh h failure of an RHR pump mults in ECC3 injection now to only ese of the reqwired four remetar coolset sysans coM lege. Thew vWvw will be full.

asoke stercised during cold abutdoew est, by cea be exercised wahow chalkeging R10t ECC3 capehilstaes.

Ca am C Valug l

Vdem 3-r730A and 1-37305, RfDt pung diactary chemi valves, see M wrots spea esamwed a cold skesdown They camaat be fully opeacd dwkg peow opersios bemuse the normal M Sow path discharges isso dne telethify higher pressure Rautor Cootse Syms. Alm, the naarase fuu Boa ph throeph the RHR w RWST ream Hee canus be und durup po**r operation aimos opendog this line deks:a beh trains of the now pressere endety lejemios syssess. Partial serot.e opes azerciseg of those valvae durias power operwaos is performed try Bowing tech to the RWNT throegh the 31 toet h.

4 APPENDfX 3

'lY h

}

N0'U 21 '91 10:34 PAGE,024 i

I t

CP5ES-INSERVICC TESTtHQ PROGRAM PLAN REvlslON 4 pAQE 6 SAFETY INJECTION SY3 TEM Csereev A Valves va;v,s 14609 A and B. RNR ingstion to RCS cold legs isotahon veJv% canact be MI or partiaJ nroke esercised during power operance siete th.s would cowac a loss of the requ6 red nurrber of cold leg. tow head safety injection now perhs la addnica Technical SyociScanon Survei!!ance Requirement 4.3.2 a reqsites thoes velves be b the Opa position wnh power to tu vdve operamrs removed in Modes 1,2, and 3. These veJves will be Mt. stroke saercised duririg cold shutdooms.

Valvs 18833, $1 pump dischargs to RCS cold leg injwtion isolmion. Wye, canant be full or parual arvAs saarcised during power operanoa smes failure in the cloemd posnion would isolete tha $1 purnp to all RC3 cold tal' in)*etion flow puhs. la e.uition Tuhaical Speirication Sursvillance Requiremat 4.$ 2 a requirce this vdve be is th Opea position with pows to the valve operewt removed as Modes 1. 2 and 3, This valve will be full etroke exercisad durlag cold stutdowns.

Yalva 18802A,189029, and i 8840, normally closed raotor opreted gets vdves in hat leg inpsuon lines, cannot be full or partial aroke escrcised during power opersion usue Technical Spec ficatioe 4.3.2.s repires these veJves to be maintained la the closed position wit.h power removed from the operators is opera 6ca Modes I,2, see 3.1tese velves will be full.

mroke eastcised durmg cold shutdowns.

Valves 188 tl A and I 88115. RHr. cor-maat twitculatioc evap isole60e vdves, caamat be M1 or partia; stroke exercised with J.e plant a power. N aroks test of these vdves requires isolating the RNR pungs from the RWST to pr, vent gravey draining the RW5T tc the comainment sveip. The ebeeece of a cbecet valve in the RNR suction lime potenually could push water into the coutalement sump which would thee require removal. The RHR peng - bander wuld thee have to be panially drainct to prevent we4e be:k Cow to the swg tsadertag the pumps inoperene As additbaal concern involves b eilty to adequeuiy vent and M the eyaets after temias. The additioast riska escoeatered and amount of time to perform temas do not juaAfy the additional usurance gained by quaneriy testing. The o valves will be full stroke maercised during cold shutdows whea the proper pruautions cae 1.e takso without impacting opnuon Caterovv B Va!ves VeJves 18804A and B, Charging Fump Suction from RHR$ RX, canrax be full or partial stroke exercised during powr operatica due to interlocks.18804A and 18804B are opened by operator enios during the recirculation mode of $13 operatica following a LOCA to supply the sections of the Charging and Sefwy lajaxion Pumps. The valves are intarlocked wah ECCS valves 1-8813,14814A sad 148148. These valves mnet be closed to opeo 18804 A and 1-88048. Valve 1 8813, as acted below, is required to be opas with the plaat et power to protecs the 31 pumpe by providlag a minimum flow protection pem. These valves will be N1-stroked during cold shutdowns, Vdvs 14806,31 pasap suction from the RW5T isolation vdve, cannot be full or partial aroka caercised daring power operatise since tr.ilare of this valve la the cicew! position wov!d rooder both trains of *l incperable, la additsoa. valve 1 8806 is required to be in tae open position, with power to the valve operstar removad, during Modes I,2, and 3 per Tahnical Specificados 4.5.2.a. %ese valves will be full ar9Ls saarclaed during cold shutdosse APPENDtX B

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PAGE.025 di 10:36

.P

- cPSES INSERVICE T1.511NQ rROGRAM PLAN

- REV1510N 4 PAGE 1 valve I.ast), mismsca flow raircussion tross 31 peare comenon isolation valve,annom be full or perua during pomw ersresise om

eie sound render both $1 rwape wnhout miasm flew recirevisios pra Technical spectwatise Rogstrement e.$.2.s requires the valve is be is b Open poesion, wnh power to the va removed during Moder 1. 2. and 3. Tbh wake will be full.aroke esercised during sold shutdowse Vahas 18808A,180048.18804C and I.llotD. eccoulsor isolsion valves, canas be full or partial aroke eurciud dering power operation. Theo vahoe are regvW to be la the opea posaios,with power to the valve operesor Modes I,2 and 3 per Technical Specirmation 4.3.1.1. These vahm are coandered passive for unir safety functios a opea positios< procedurany, hos vahoe are required to be closed prior to decnesing rensor coolant p pois. These salves will be full stroke tened to the cloesd oceitica during cold ahvidowes.

6 Yahes 18954A sad 1-89548. RHR pump smanise he the RWFT shime vehen, me fuE sarche eyes samndsed a entd Thor samen h My spened dwins poor op eme ha es marass u e pse dinherem ime as endow.

nisovdy w,har p.asse Ra nr c iam syes. Anas, the anseman w asw pse e,eesh es RMR w RWyf news lies4 es m w sued deles pe=ar operske s=== ar=las thh th= datum han ermiss a es t passes army igen eyes v ens vieves dwinsi==er er=who k pararmed by heing h

w iw aWsf are.sh as pwsial arein apes m.=ces si asm header.

Casserv A/C Vehus vehus as1aA. s, c o, RHR w esed lag laysmisamG p inhaise/msesimmons insimise vdves en fm3 mmke apse esasossed d esad shedsee. They emeest he fhBy epsmed durius pseur aparaden basesse the sus Sow push dissherge im es reise dy his6mr promma Rammerw syssa. penist mehs eye asseises d e== vehe duries pe=er spermies

- is as pressisshis. Tns eury panial arake Sow parb is through the Si test header dish yisids Seennes e(Isas ens een

p. essa.c as veh=* mgenred soween. sash me is as essaiss d and e est h asi pasimshis = es vdv. men w e

l-iseksgs toned As5oeing any astNaise due to Saw teseegt the velves (Raf. Tosheimsf 1 '" ' - 4.4J.2.2). Tns laskaps aos mest be perforund tree lusie Wh and k assesmer9y smases hash trales of EcCS to be inspershes. Fe0 straks -

siens einensins er the vehe in performed a med sheds.e a es mas topsesy a es sp =N for es no s 4

do ne.d eh

' Lehmes issaans et es vehw asy 6.

sd to emosesseis es sium ensresse reparaman in en inkage tenda6 8 r 'm ' isilowing as eyes ensreises. Imukap ts% of the vehus b aussayilshed per the regwiremans of 1

Tashassel Spesinsmaios 4.4J.2.2 to dammentes esar kC3 peessure insistine fasselse seshar than the oods reqasped tu m emmand in adier ampus v.s. we nocrR 4psme J emessamus isash vd= imu s immins b== refwend = -

s dansed is ptAR Tabde s.2.4-2. -

vah. <wsA. s, c, o, Ram, se, at ^+ = esid les qsmasema n sro heksien vaha== -aih-w twu.

e a

smoke open maraised nor penist anha open manens dwing p-ar opermem basen= es saw pah dimenrys his es l

reissivdy bisher passem a.m ew syees. ne vehu me, essene, fue enke eyes esamined a esid shedswes.

pas enehe dess emmelsks et es vehus la per8ermed

esid **ds=e a es=== hq====y as as even asames fa es l

- la est seasse dauerhed shoue. Ladags tenths of the vehen map be used to danseurses the siens snareiss., _

inkap madas is paeness annowing as open nacissa. teskap tsahs b -

y ' p., as rug.in.smi d T--t a minosass 4.4.5.2.2 m esmemanas as veh.' acs passwo imamos fessd asher ens as c is rega,udisshe.

r esand in Reise m gsaa v.s.

l?

APPENDtX 3 1----

s%

N0' 0:3T PAGE.026 CPBES-IN$ERVICE TESTINO PROOR.AM PLAN REVLSION 4 PAGE 8 CHD41 CAL AND YOLUME CONTROL Catemv A Valves Valva 18132 and 18 tfC, CVC3 letdows containment isolmion vaiva, cannot be fadi or partal suoks stercaed during power operation. Closing them vahu to accornplish stroke teasg could cause the failure of these salves during teaang which could result in the lona of preuur6rst level control and a reactor trip. These vaJves udl be full arde etercised during cold shutdowns-Valves 18100 and 18112. RCP es4 lemt.off seatsiament isolatioe valves, raaw be full or parual aroks esercised during power operation. Closir.g them valves to accompluh aroke taming could result is equipment darr.sgs. Valve closure inte.rupta seal water flow from the RCP's which could ruult in oeal damage. Toew valves wd! be full sude esercised during cold shutJowns.

Valvw 14351 A, 9, C, and D. RCP neel irya:taon conuinment isolation valves, cannot be full or partial aroks esercised during power operation. Closing these valves to sceomplish aroke taaing could ruult is equipment damage. Vafve closure would isolate seal wwar injectica flow wtich could result la RCP seeJ dernage. These vetvm will be fd aroke percised during cold shutdowns.

Vatn 14105, rearmal charging isolsion valve, cannot be full of partial aroks uercised during poter opersion since this would laterrupt norme] charging flow. Yahe closure sound result is loss of praesurizar level comuoi and a plaat trip. his valve will be full arois saarclaed during cold shutdowns, i

Caremy B Valwas Valve 1-3106, normal charging isolation valve, cannot be full or partial estoke exercised during power operetsoa since this would lotstrupt normal charging flow which could result la loss of pressurizar level control and a plant inp. This vabe wdl be full aroke exercised during cold shutdowns Vejves 1.LC%112 D and E, charging pump suction froci RW3T taalation vmJva, cannot be fu!J or partial stoke exerciud during power operation since this would result la defeating the chemical balance analaed by normal usa of the CVC3. The subsequear reactivity transkat could result is sa uncontrolled plant ebutdown. Dae valves win be full-sAks exercised during cold shutdowns.

Valves 1.LCY.ll2 B and C, volume control tank outlet isolation valves, na~w be full or partial stroke esercised during power operation since this would cause a loss of the following: pressurizar level control, RCP esel infectne, and letdown r*5soerauvo bee exchanger cooling. Thess valves wdl be full aroke exercined danng cold shutdowca, APPENDIX B s

e +

s

, T f

f.

NOU 21 '91

.0:28 PAGE.027 l

l CPSES INSERVICE TESTING PROGRAM PLAN REV1510N 4 PACE 9 Valves 1 HV.3220 and 1 HV 3221 allow gues in the centrifugal and charsias pumpe pipir.g to vest to the VCT and cannot be fWI or pardal stroke exercised during power opwatioe. These valves are interlocked wah 1.LCV Il2B and 1 '.CV ll2C, and do act have their own handewah. hees valves will be full stroks exercised during cold abadoww wxk l LCV ll2B and I LCV Il2C-vwve41 LCV 4$9 and 1 LCV 460. Clau 1 RC3 to Clans 2 CYC3 boundary vaJvu, cannot be full or partel stroked duttag powet operaten since tbs would interrupt charging flow Valve closure could therefore ts: ult e a loss of pronutizer Irvel control sad cause a plant trip. These valves will be full stroke enerstand during cold shutdows:

Valve 13145, presuriza availiary sprey Laoistion sajve cannot be full or partial stroke anercised during power operation esace stroke testing could result in a prsauriser pressure trans. cat. This valve will be full stroke exersteed dartag cold shutdowns.

Vajve 13104, ernergency borstion isolation valve canno< be full or pamal stroke caercised during poww opersion. Stroke testing this valve to the open position could casas borw need to t4 deitvsted to the RCS and the increase is botic acid cooc4struios, should the valve fail opea, would result in a plant trip This valve will be full siroke esercised at coid shutdowns cuenocy C Valves Valve ICS-5442, emergency borsuon flow psh check valve caand be full or partal stroke saaroised during poww opwmios sace stroking would require flow through 6e emergtacy boratios flow path which would cause a reactivky tranamat resulting la plant ahndows This valvs will be fWl-aroke caercind durag cold shutdowns Wlve IC34377, avalliary spray check valve canna be full or partel stroke caercised becaum ths requires the inkiat6on of sun!iary sprsy. The initianon of auxiliary sprey during power operauona could cause a preneuruar premura transecas. This check vsJve wd! be fal stroke exerstaed during cold shutdowss, when 13143 is esercised.

CONTAINMENT VENTTLATION Caterm A Valva Valva lHV 5534, I HV S$37.1 HV-5533 and I HV 5539, containment purge eymem valves, peiform a containment isolarjon function. These valves cannot be full or partal stroke exercised during power opernuos. Technical specificanon LCO 3.6.1.7 requires these valva to be locked closed in Modes I,2,3 and d. Aces valva will be fWI stroke exercind during cold shutdowns.

APPENDIX B

N 3: 39 PAGE.028 ENCLOSURE 2 TO TXX 91368 DESCRIPTION OF CHANGES CONTAINED IN REVISION 4 TO THE CPSES INSERVICE TESTING PROGRAM PLAN

ML20085C740

Text

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