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{{#Wiki_filter:ATTACHMENT 2TOAEP:NRC:1036B PROPOSEDREVZSEDTECHNZCAL SPECZFZCATZONS PAGES9103060051 910227PDRADOCK05000315~tPDR~
{{#Wiki_filter:ATTACHMENT 2 TO AEP:NRC:1036B PROPOSED REVZSED TECHNZCAL SPECZFZCATZONS PAGES 9103060051  910227 PDR  ADOCK 05000315 ~
CONTAINMENT SYSTEMS34.6.3CONTAINMENT ISOLATION VALVESLIMXTXNGCONDXTION FOROPERATION 3.6.3.1Thecontainment isolation valvesspecified inTable3.6-1shallbeOPERABLEwithisolation timesasshowninTable3.6-1.TheACTIONstatement ofT/S3/4.6.3isnotapplicable tothecontainment purgesupplyandexhaustisolation valves,VCR-101through106andVCR-201through206,listedinTable3.6-1.TheLimitingCondition forOperation anditsassociated ACTIONstatement forthesevalvesisgiveninTechnical Specification 3/4.6.1.7.
t PDR~
APPLICABILXTY:
 
MODES1,2,3and4.ACTION:Withoneormoreoftheisolation valve(s)specified inTable3.6-1inoperable, either:C('ga.Restoretheinoperable valve(s)toOPERABLEstatuswithin4hours,orb.Isolateeachaffectedpenetration within4hoursbyuseofatleastonedeactivated automatic valvesecuredintheisolation
CONTAINMENT SYSTEMS 3  4.6.3 CONTAINMENT ISOLATION VALVES LIMXTXNG CONDXTION FOR OPERATION 3.6.3.1      The containment isolation valves specified in Table 3.6-1 shall be OPERABLE  with isolation times as shown in Table 3.6-1. The ACTION statement of T/S 3/4.6.3 is not applicable to the containment purge supply and exhaust isolation valves, VCR-101 through 106 and VCR-201 through 206, listed in Table 3.6-1. The Limiting Condition for Operation and its associated ACTION statement for these valves is given in Technical Specification 3/4.6.1.7.
: position, orc.Isolateeachaffectedpenetration within4hoursbyuseofatleastoneclosedmanualvalveorblindflange,ord.BeinatleastHOTSTANDBYwithinthenext6hoursandinCOLDSHUTDOWNwithinthefollowing 30hours.~~Theprovisions ofSpecification 3.0.4arenotapplicable.
APPLICABILXTY: MODES 1, 2, 3 and 4.
SURVEILLANCE REUIREMENTS 4'.3.1.1Theisolation valvesspecified inTable3.6-1shallbedemonstrated OPERABLEpriortoreturning thevalvetoserviceaftermaintenance, repairorreplacement workisperformed onthevalveoritsassociated
ACTION:                                                                           C(
: actuator, controlorpowercircuitbyperformance ofacyclingtestandverification ofisolation time.COOKNUCLEARPLANT-UNXT13/46-14AMENDMENT NO.~~
                                                                                  'g With one or more of the isolation valve(s) specified in Table 3.6-1 inoperable, either:
CONTAINMENT SYSTEMS34.6'CONTAINMENT ISOLATION VALVESLIMITINGCONDITION FOROPERATION 3.6.3.1Thecontainment isolation valvesspecified inTable3.6-1shallbeOPERABLEwithisolation timesasshowninTable3.6-1.TheACTIONstatement ofTechnical Specification 3/4.6.3isnotapplicable tothecontainment purgeandexhaustisolation valves,VCR-101through106andVCR-201through206,listedinTable3.6-1.TheLimitingCondition forOperation anditsassociated ACTIONstatement forthesevalvesisgiveninTechnical Specification 3/4.6.1.7.
: a. Restore the inoperable valve(s) to  OPERABLE status within 4 hours, or
APPLICABILITY:
: b. Isolate each affected penetration within 4 hours by use of at least one deactivated automatic valve secured in the isolation position, or
MODES1,2,3and4.ACTION:Mithoneormoreoftheisolation valve(s)specified inTable3.6-1inoperable, maintainatleastoneisolation valveOPERABLEineachaffectedpenetration thatisopenandeither:a.Restoretheinoperable valve(s)toOPERABLEstatuswithin4hours,orb.Isolateeachaffectedpenetration within4hoursbyuseofatleastonedeactivated automatic valvesecuredintheisolation
: c. Isolate each affected penetration within 4 hours by use of at least one closed manual valve or blind flange, or
: position, orc.Isolateeachaffectedpenetration within4hoursbyuseofatleastoneclosedmanualvalveorblindflange,ord.BeinatleastHOTSTANDBYwithinthenext.6hoursandinCOLDSHUTDOHNwithinthefollowing 30hours.Theprovisions ofSpecification 3.0.4arenotapplicable.
                                                                                ~ ~
SURVEILLANCE REQUIREMENTS 4.6.3.1.1 Theisolation valvesspecified inTable3.6-1shallbedemonstrated OPERABLEpriortoreturning thevalvetoserviceaftermaintenance, repairorreplacement workisperformed onthevalveoritsassociated
: d. Be in at least HOT STANDBY  within the next 6 hours and in COLD SHUTDOWN within  the  following 30 hours.
: actuator, controlorpowercircuitbyperformance ofacyclingtestandverification ofisolation time.COOKNUCLEARPLANT-UNIT23/46-13AMENDMENT NO.P7 ATTACHMENT 3TOAEP:NRC:1036B CURRENTTECHNICAL SPECIFICATIONS PAGESMARKED-UP TOREFLECTPROPOSEDCHANGES
The  provisions of Specification 3.0.4 are not applicable.
~((~CO"'1>qc)TSYS3/4,5.3CONTAIHI>tHT ISOLAIIOUYALYLIMITINGCONOITION FOROPERATION 3.6.3.I,Thecontainment isolation vaIvesspecified fnTable3.6-1.shallbeOPEBASLKwithisolation timesasshowninTable3.6-1.TheACTIONstatement ofT/S3/4.6.3fsnotapp1fcable tcthecontainment pur,esup-plyandexhaust,isolation valves,VCR-l01throughf06andYCR-201thrcuch206,IfstedinTabl3.5-1.TheLfmftingCanditicn forOperation anditsassocfated ACTIONstatement forthesevalvesfsgivenfnTechnical Speci-fication3/4.6.1.7.
SURVEILLANCE RE UIREMENTS 4 '.3.1.1  The isolation valves specified in Table 3.6-1 shall be demonstrated OPERABLE  prior to returning the valve to service after maintenance, repair or replacement work is performed on the valve or its associated actuator, control or power circuit by performance of a cycling test and verification of isolation time.
APPLICASILITY:
COOK NUCLEAR PLANT  UNXT 1                3/4 6-14            AMENDMENT NO.
HOOKSI,2,3and4.1ACTION:Mfthonearmareafthefsolatian valve(s)specified inTable3.6-1fnoperab1e, either..a.Res.oretheincperabIe valve(s}toOPERABLEstauswithin4hours,crb.Isolateeachaec.edpenetration within4hoursbyuseofat1eastonedeactivated autcmatic valvesecuredfntheisolation
                                                                                      ~
: position, orc.IscIateeachafec.edpenetration within4hoursbyuseafatIeasoneclosedmanuaIvalveorblindfIange,ord.SeinatIe.stYOTSTANOBYwi.hfnthenext6hours.andinCOLOSiHJiQOWN withinthefallowing 30hours.>h>'rov>S>o~s''P'gpec.'>E'(<p(pn3.0~+a>.qSURYKILLALC
                                                                                        ~
'EOUIRWBPiS I~~>'<-~bi+4.6.3.1.1 ThefscIatian va1vesspecified inTable3.6-lshallbedemonstrated OPBASLEpriortoreturning thevalvetoserviceaitermainte-nance,repairozreplacement
 
~arkisper~a~edonthevalveoritsassoc'ated actuitoz; control.azpaverc'rcuitbyperformance otacyclingtestandveri-ficationofisolation t'-e.0.C;COOK-UNIT I3/46-14Amendment, Ha.  
CONTAINMENT SYSTEMS 3  4.6 ' CONTAINMENT ISOLATION VALVES LIMITING CONDITION    FOR OPERATION 3.6.3.1  The containment  isolation valves specified in Table 3.6-1 shall be OPERABLE  with isolation times as shown in Table 3.6-1. The ACTION statement of Technical Specification 3/4.6.3 is not applicable to the containment purge and exhaust isolation valves, VCR-101 through 106 and VCR-201 through 206, listed in Table 3.6-1. The Limiting Condition for Operation and its associated    ACTION statement  for these valves is given in Technical Specification 3/4.6.1.7.
~<rt'~Ivotv~rlrrrver"'g/gCwitIwI~li'v,'1I~I;3/.6.3C=n-,I;ere-ISO''-.IO~
APPLICABILITY: MODES 1, 2,     3  and 4.
V;LYONSLIMITIHGCONOITIOH FOROPERATION 3.6.3.1TneconMfnment fsolatian valve"specified inTable3.6-1sha11beOPERABLEwithisolation timesassham'nTable3.6-1.,The ACTIONstatement of'echnical Speciicatfan3/4.6.3isnatapplicbletothecontafeaent purgeandexhaustisolation valves,YCR-101trough106andYCR-201through206,1istedfnTable3.6-1.TheLfmitfngCondftfon arQperatfon anditsassociated ACTIONstatement forthesevalvesisgivenfnTee&icalSpecfffcztfon3/4.6.1.7.
ACTION:
APPLICABILITY:.
Mith one or more of the isolation valve(s) specified in Table 3.6-1 inoperable, maintain at least one isolation valve OPERABLE in each affected penetration that is open and either:
Modes1,2,3and4.ACTION:fifthoneotrareofthefsalation valves(sj specified inTable3.5-1inoperable, mafntafnatleastoneisalatfan valveOP~LEfneachaffectedpenetration thatisaoenandeither:Fa.Restorethefnaperable valve(s)t0OPE~LEsitusxfthfn4hours,orb.Isalateeachaffectedpenetrafan~fthfn4haurshyuseofatleastanedeacfvat>>automatic.valve securedinNeisalatfon
: a. Restore the inoperable valve(s) to    OPERABLE  status within  4 hours, or
: position, orc.Isolateeachafectedpenetration wiNfn4hoursbyuseofatleasoneclosedannualvalvecr"lindf1ange;ord.SeinatleasHOTSinai'(CSY withinhenext5hoursandir.CQLQi-:UTI.OMH
: b. Isolate each affected penetration within 4 hours by use of at least one deactivated automatic valve secured in the isolation position, or
~ithintheallcwing30hours.ihe+ra~>'~>g~g O('~6C-gCcrf0%P,+,LfEURYEILL" NC:-REQUIR=~BITT 4.5-3.'..1 ineisolation valvesapeiiadinTable3.5-lshallhedeaanstrated OP"=ABLEpr,ortowturingthevalvezoserviceaf.ermaintenance, repairor~otacenent workisI".er=ar...ed cn-.hevaivear'csassacia.dacuat"r,c"n-mlorewercirci'.by~er-.cr-.,Ianc ofacycling-standver-if-'camion ofisola"fon t-me.O.C.r.=C<-'":.-;<r~r~~rvv~r/.Vrv 0'iGIv'}}
: c. Isolate each affected penetration within 4 hours by      use of at least one closed manual valve or blind flange, or
: d. Be  in at least HOT STANDBY within the next. 6  hours and in  COLD SHUTDOHN  within the following 30 hours.
The  provisions of Specification 3.0.4 are not applicable.
SURVEILLANCE REQUIREMENTS 4.6.3.1.1   The isolation valves specified in Table 3.6-1 shall be demonstrated OPERABLE  prior to returning the valve to service after maintenance, repair or replacement work is performed on the valve or its associated actuator, control or power circuit by performance of a cycling test and verification of isolation time.
COOK NUCLEAR PLANT  UNIT 2                3/4 6-13              AMENDMENT NO. P7
 
ATTACHMENT 3 TO AEP:NRC:1036B CURRENT TECHNICAL SPECIFICATIONS PAGES MARKED-UP TO REFLECT PROPOSED CHANGES
 
~
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CO" '1> qc) T SYS 3/4,5.3  CONTAIHI>tHT ISOLAI IOU YALY LIMITING CONOITION      FOR OPERATION 3.6.3.I, The containment    isolation vaIves specified fn Table 3.6-1. shall be OPEBASLK with isolation times as shown in Table 3.6-1.           The ACTION statement of T/S 3/4.6.3 fs not app1fcable tc the          containment  pur,e sup-ply and exhaust, isolation valves, VCR-l01 through f06          and YCR-201 thrcuch 206, Ifsted in Tabl 3.5-1. The Lfmfting Canditicn for Operation and its assocfated ACTION statement for these valves fs given fn Technical Speci-fication 3/4.6.1.7.
APPLICASILITY:     HOOKS  I, 2, 3 and 4.
1 ACTION:
Mfth one ar mare af the fsolatian valve(s) specified in Table 3.6-1 fnoperab1e, either..
: a. Res.ore the incperabIe valve(s} to        OPERABLE  sta us within  4 hours, cr
: b. Isolate each a ec.ed penetration within 4 hours by use of at 1east one deactivated autcmatic valve secured fn the isolation position, or
: c. IscIate    each af ec.ed penetration    within 4 hours by  use af at Ieas    one closed manuaI valve or    blind fIange, or
: d. Se  in at Ie.st  YOT STANOBY  wi.hfn the next 6 hours. and in    COLO SiHJiQOWN  within the fallowing 30 hours .
                  >h>'rov> S >o~s''P 'gp ec.'>E '( < p(pn 3.0 +                  ~     a>. q SURYKILLALC  'EOUIRWBPiS                   I ~~>'<-~ bi+
4.6.3.1.1   The fscIatian va1ves specified in Table 3.6-l shall be demonstrated OPBASLE prior to returning the valve to service aiter mainte-nance, repair oz replacement ~ark is per~a~ed on the valve or its assoc'ated actuitoz; control. az paver c'rcuit by performance ot a cycling test and veri-fication of isolation t'-e.
: 0. C; COOK-UNIT     I              3/4 6-14                    Amendment, Ha.
 
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        ; 3/ .6.3            C=n-,         I;ere- ISO''-.IO~     V;LYONS LIMITIHG CONOITIOH                      FOR OPERATION 3.6.3.1 Tne conMfnment fsolatian                             valve" specified in Table 3.6-1 sha11 be OPERABLE with isolation times as                            sham'n Table 3.6-1.,The           ACTION statement of'echnical                       Speci  icatfan 3/4.6.3 is nat applic ble to the contafeaent purge and exhaust isolation valves, YCR-101 trough 106 and YCR-201 through 206, 1isted fn Table 3.6-1. The Lfmitfng Condftfon ar Qperatfon and its associated ACTION statement for these valves is given fn Tee&ical Specf ffcztfon 3/4.6.1.7.
APPLICABILITY:. Modes 1, 2, 3 and 4.
ACTION:
fifth    one ot rare of the fsalation valves(sj specified in Table 3.5-1 inoperable, mafntafn at least one isalatfan valve OP~LE fn each affected penetration that is aoen and either:
F
: a.           Restore the fnaperable valve(s) t0 OPE~LE                      situs xfthfn    4 hours, or
: b.           Isalate each affected penetra fan ~fthfn 4 haurs hy use of at least ane deac fvat>> automatic.valve secured in Ne isalatfon position, or
: c.           Isolate        each af ected penetration wi Nfn 4 hours by use              of at leas          one closed annual valve cr "lind f1ange; or
: d.           Se      in at leas      HOT Sinai'(CSY   within  he next  5  hours and ir. CQLQ i-:UTI.OMH     ~ithin the allcwing        30  hours.
i  he        +ra~>'~>g~g         O('~6        C- g  C cr f  0%   P, +,Lf EURYEILL"NC:- REQUIR=~BITT 4.5-3.'..1               ine      isolation valves      ape i iad in Table 3.5-l shall he deaanstrated                  OP"=ABLE      pr,or to wturing the valve zo service af.er maintenance,                   repair or ~otacenent work is I".er=ar...ed cn -.he vaive ar 'cs assacia. d ac uat"r, c"n-ml or ewer circ i'. by ~er-.cr-.,Ianc of a cycling - st and ver-if-'camion of isola"fon t-me.
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V rv
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Latest revision as of 00:46, 4 February 2020

Proposed Tech Spec 3/4.6.3 Re Containment Isolation Valves
ML17328A955
Person / Time
Site: Cook  American Electric Power icon.png
Issue date: 02/27/1991
From:
INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:
Shared Package
ML17328A954 List:
References
AEP:NRC:1036B, NUDOCS 9103060051
Download: ML17328A955 (7)


Text

ATTACHMENT 2 TO AEP:NRC:1036B PROPOSED REVZSED TECHNZCAL SPECZFZCATZONS PAGES 9103060051 910227 PDR ADOCK 05000315 ~

t PDR~

CONTAINMENT SYSTEMS 3 4.6.3 CONTAINMENT ISOLATION VALVES LIMXTXNG CONDXTION FOR OPERATION 3.6.3.1 The containment isolation valves specified in Table 3.6-1 shall be OPERABLE with isolation times as shown in Table 3.6-1. The ACTION statement of T/S 3/4.6.3 is not applicable to the containment purge supply and exhaust isolation valves, VCR-101 through 106 and VCR-201 through 206, listed in Table 3.6-1. The Limiting Condition for Operation and its associated ACTION statement for these valves is given in Technical Specification 3/4.6.1.7.

APPLICABILXTY: MODES 1, 2, 3 and 4.

ACTION: C(

'g With one or more of the isolation valve(s) specified in Table 3.6-1 inoperable, either:

a. Restore the inoperable valve(s) to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or
b. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one deactivated automatic valve secured in the isolation position, or
c. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one closed manual valve or blind flange, or

~ ~

d. Be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

The provisions of Specification 3.0.4 are not applicable.

SURVEILLANCE RE UIREMENTS 4 '.3.1.1 The isolation valves specified in Table 3.6-1 shall be demonstrated OPERABLE prior to returning the valve to service after maintenance, repair or replacement work is performed on the valve or its associated actuator, control or power circuit by performance of a cycling test and verification of isolation time.

COOK NUCLEAR PLANT UNXT 1 3/4 6-14 AMENDMENT NO.

~

~

CONTAINMENT SYSTEMS 3 4.6 ' CONTAINMENT ISOLATION VALVES LIMITING CONDITION FOR OPERATION 3.6.3.1 The containment isolation valves specified in Table 3.6-1 shall be OPERABLE with isolation times as shown in Table 3.6-1. The ACTION statement of Technical Specification 3/4.6.3 is not applicable to the containment purge and exhaust isolation valves, VCR-101 through 106 and VCR-201 through 206, listed in Table 3.6-1. The Limiting Condition for Operation and its associated ACTION statement for these valves is given in Technical Specification 3/4.6.1.7.

APPLICABILITY: MODES 1, 2, 3 and 4.

ACTION:

Mith one or more of the isolation valve(s) specified in Table 3.6-1 inoperable, maintain at least one isolation valve OPERABLE in each affected penetration that is open and either:

a. Restore the inoperable valve(s) to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or
b. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one deactivated automatic valve secured in the isolation position, or
c. Isolate each affected penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at least one closed manual valve or blind flange, or
d. Be in at least HOT STANDBY within the next. 6 hours and in COLD SHUTDOHN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

The provisions of Specification 3.0.4 are not applicable.

SURVEILLANCE REQUIREMENTS 4.6.3.1.1 The isolation valves specified in Table 3.6-1 shall be demonstrated OPERABLE prior to returning the valve to service after maintenance, repair or replacement work is performed on the valve or its associated actuator, control or power circuit by performance of a cycling test and verification of isolation time.

COOK NUCLEAR PLANT UNIT 2 3/4 6-13 AMENDMENT NO. P7

ATTACHMENT 3 TO AEP:NRC:1036B CURRENT TECHNICAL SPECIFICATIONS PAGES MARKED-UP TO REFLECT PROPOSED CHANGES

~

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CO" '1> qc) T SYS 3/4,5.3 CONTAIHI>tHT ISOLAI IOU YALY LIMITING CONOITION FOR OPERATION 3.6.3.I, The containment isolation vaIves specified fn Table 3.6-1. shall be OPEBASLK with isolation times as shown in Table 3.6-1. The ACTION statement of T/S 3/4.6.3 fs not app1fcable tc the containment pur,e sup-ply and exhaust, isolation valves, VCR-l01 through f06 and YCR-201 thrcuch 206, Ifsted in Tabl 3.5-1. The Lfmfting Canditicn for Operation and its assocfated ACTION statement for these valves fs given fn Technical Speci-fication 3/4.6.1.7.

APPLICASILITY: HOOKS I, 2, 3 and 4.

1 ACTION:

Mfth one ar mare af the fsolatian valve(s) specified in Table 3.6-1 fnoperab1e, either..

a. Res.ore the incperabIe valve(s} to OPERABLE sta us within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, cr
b. Isolate each a ec.ed penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at 1east one deactivated autcmatic valve secured fn the isolation position, or
c. IscIate each af ec.ed penetration within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use af at Ieas one closed manuaI valve or blind fIange, or
d. Se in at Ie.st YOT STANOBY wi.hfn the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />. and in COLO SiHJiQOWN within the fallowing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> .

>h>'rov> S >o~sP 'gp ec.'>E '( < p(pn 3.0 + ~ a>. q SURYKILLALC 'EOUIRWBPiS I ~~>'<-~ bi+

4.6.3.1.1 The fscIatian va1ves specified in Table 3.6-l shall be demonstrated OPBASLE prior to returning the valve to service aiter mainte-nance, repair oz replacement ~ark is per~a~ed on the valve or its assoc'ated actuitoz; control. az paver c'rcuit by performance ot a cycling test and veri-fication of isolation t'-e.

0. C; COOK-UNIT I 3/4 6-14 Amendment, Ha.

votv r /g I C wit I w I lrrr

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3/ .6.3 C=n-, I;ere- ISO-.IO~ V;LYONS LIMITIHG CONOITIOH FOR OPERATION 3.6.3.1 Tne conMfnment fsolatian valve" specified in Table 3.6-1 sha11 be OPERABLE with isolation times as sham'n Table 3.6-1.,The ACTION statement of'echnical Speci icatfan 3/4.6.3 is nat applic ble to the contafeaent purge and exhaust isolation valves, YCR-101 trough 106 and YCR-201 through 206, 1isted fn Table 3.6-1. The Lfmitfng Condftfon ar Qperatfon and its associated ACTION statement for these valves is given fn Tee&ical Specf ffcztfon 3/4.6.1.7.

APPLICABILITY:. Modes 1, 2, 3 and 4.

ACTION:

fifth one ot rare of the fsalation valves(sj specified in Table 3.5-1 inoperable, mafntafn at least one isalatfan valve OP~LE fn each affected penetration that is aoen and either:

F

a. Restore the fnaperable valve(s) t0 OPE~LE situs xfthfn 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, or
b. Isalate each affected penetra fan ~fthfn 4 haurs hy use of at least ane deac fvat>> automatic.valve secured in Ne isalatfon position, or
c. Isolate each af ected penetration wi Nfn 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> by use of at leas one closed annual valve cr "lind f1ange; or
d. Se in at leas HOT Sinai'(CSY within he next 5 hours and ir. CQLQ i-:UTI.OMH ~ithin the allcwing 30 hours.

i he +ra~>'~>g~g O('~6 C- g C cr f 0% P, +,Lf EURYEILL"NC:- REQUIR=~BITT 4.5-3.'..1 ine isolation valves ape i iad in Table 3.5-l shall he deaanstrated OP"=ABLE pr,or to wturing the valve zo service af.er maintenance, repair or ~otacenent work is I".er=ar...ed cn -.he vaive ar 'cs assacia. d ac uat"r, c"n-ml or ewer circ i'. by ~er-.cr-.,Ianc of a cycling - st and ver-if-'camion of isola"fon t-me.

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