ML20236F524

Amends 61 & 53 to Licenses DPR-77 & DPR-79,respectively, Deleting Three Categories of motor-operated Valves from Tech Spec Table 3.8-2

ML20236F524
Person / Time
Site:	Sequoyah
Issue date:	10/22/1987
From:	Zwolinski J NRC OFFICE OF SPECIAL PROJECTS
To:
Shared Package
ML20236F523	List: ML20236F519 ML20236F524 ML20236F536
References
NUDOCS 8711020190
Download: ML20236F524 (17)

Text

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SE000YAH NUCLEAR-PLANT,iUNIT 1; , ,

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. The Nuclear Regulatory ComissioE (the Chemission)Lhas:foundLthat@  %

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A. The. application for amendme'nt:by Tennessee ValleyiAuthopityL(the s ,"

licsnsee). dated.MayL15,1987, claHfied onMune:16M1987., complies > '

with the standards;and' requirements of.the4 Atomic Energy Actlof.1954,<

asamended:(the'Act),andsthel Commission's!rulesandtregulation's;sete >' ' '

forth in:10 CFR ChapterLI;; '

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Thefacilitywill.operateiiniconformityiwithItheapplicaSion',$he; B. 7 provisions of, the. Act, and the:rulesiand regulations?ofJ.the* '

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- this amendment can.be conducted lwithoutiendangeringithe heal.thuand' safetyiof the public,.andi(ii)ithat such activities will;be?

conducted in: compliance. withL thes commission'.si regulations; =

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O^j The: issuance of thisiamendment will;not bel inimical toLthe commonL.. A '

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'defenseland-security'or to the" health andisafetyf offthe;public;Jand:

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" E. Theissuance7ofthis'.amendaentisin~"accordancewith50LCFRPartl512 ' '

.of the Commission's.:. regulations and all applicable Requirements- have)

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! Accordingly, the:licenseiis amended by changesLto the Technica12 , 'g

Specifications ase. indicated in the attachment to' this.ilicense

amendment ~

and' paragraph 2;C.(2) 'of. Facility Operating License: No. OPR-77f is hereby.

amended to' read as follows:

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, 1 (2);Technica1' Specifications.

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The Technical Specificatib.ns; contained.inLAppendices:A.and:B'1r.s ,

revised through~ Amendment No ~61i., are'.herebyLincorporated,inithei J l

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- license. .The licensee (shall. operate the facility in accordance:with '

. the LTechnical: Specifications. ..

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' FORTE. NUCLEAR (REGUL#z0RY(TOMMISSION:

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--. y John A. l:Zwolinski .L Assistant Director :

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TVA Projects 1Divisionx ,

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Attachment:

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Changes to the Technical .

Specifications

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.' Date of Issuance: - October 22, 1987 ej

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' ATTACHMENT TO LICENSE AMENDMENT NO. 61 'j FACILITY OPERATING LICENSE NO. CPR-77 'l

' DOCKET NO. 50-327 Revise the Appendix A Technichl Specifications by removing the pages identified below and inserting' the enclosed pages. ' The revised pages

'are identified by the captioned amendment number and contain marginal lines indicating the area of charge.- ,

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- REMOVE INSERT j

1 IX IX X X .

8-35 8-35. <

8-36 8-36 8-37 8-37 8-38 --

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-LIMITING CONDI110NS'FOR OPERATION'AND SURVEILLANCE' REQUIREMENTS ,

SECTION 'PAGEL 3/4.7.5 U LT I MATE ' H E AT S I N K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :. . . 3/47-141 3/4.7.6. F LOO D . P ROT E CTI O N . . . . . . . . . . . . . . . .. . . . . . .. . . .. . . . .' . . . . . . . . . . . ... 3/4.i7-15) .

3/4'.7.7 CONTR0'l ROOM EMERGENCY VENTILATION ~ SYSTEM.....'......c..... L3/4r7-17' o

3/4.7.81 AUXILIARY BUILDING GAS TREATHENT SYSTEM..<.............._..'. L3/4'7s19 3/4.7.9' SNUBBERS.. ................................;..:............ 3/4 [7-21: h

.31 3/4.7.10: SEALED SOURCE CONTAMINATION........,i.....................' .3/4~7-2d; 3/4 7.11: FIRESUPPRES3IONISYSTEMS. ,

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Fire Suppression Water'. System.,........................... J3/417-31 .

Spray and/or Sprinkler Systems;......................s..l.

3/457-33i m .

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Systems............................................'...- 3/4 7-35 ~

Fire Hose Stations........................................ '3/4-7-37

- I 3/4.7.12 FIRE BARRIER PENETRATIONS' 3/4:7-41f

, s 3/4.8 ^ ELECTRICAL POWER SYSTEMS-

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3/4 8-10 l D.C. Distribution - Operating.c............ 3............. 13/4:8-11', >

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, 3/4.8.3 ELECTRICAL EQUIPMENT PROTECTIVE. DEVICES .

m Containment. Penetration Conductor Overcurrent Protectivef. < <

Devices.....'..............................'...

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TABLE 3.8-2-(Contin ~ued).

. MOTOR OPERATED VALVES THERMAL OVERLOAD' PROTECTION'

-Valve No. Function' .: '

1-FCV-1-15' .Stm Supply.to Aux'FWP' turbine j 1-FCV-1-16 Stm Supply to Aux FWP turbine- 4 1-FCV-1-17 5tm Supply.to' Aux FWP> turbine. -

fa 1-FCV-1-18 Stm Supply to Aux ~FWP turbine;

'1-FCV-62-138 Safe Shutdown Redundancy (CVCS) ~'

l-FCV-63-1 1-FCV-63-3 :

ECCS Operation SI Pump' Mini-flow

,' l 1-FCV-63-4 SI Pump Mini-flow- E 1-FCV-63-5 ECCS Flow Path'~ l 1-FCV-63-6 ECCS' Operation 1 1-FCV-63-7 ECCS Operation. '

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1-FCV-63-8 ECCS. Flow Path-e 1-FCV-63-11 ECCS Flow Path d

1-FCV-63-22 H

ECCS' Flow Path l 1-FCV-63-47 <

Train Isolation 1-FCV-63-48 . Train Isolation .

i

'1-FCV-63-72 ECCS Flow Path from Cont 1 Sump 1-FCV-63-73 ECCS Flow Path from Cont. Sump .

1-FCV-63-93 ECCS Cooldown Flow Path l

1-FCV-63-94 1

ECCS Cooldown Flow Path- J 1-FCV-63-152 ECCS Recirc i 1-FCV-63-153 ECCS Recirc 1 1-FCV-63-156 ECCS Flow Path- 1 1-FCV-63-157- ECCS Flow Path R

1-FCV-63-172 ECCS Flow Path I

1-FCV-63-175 SI Pump Mini-flow J' L 1-FCV-67-123 CSS Ht Ex Supply L 1-FCV-67-124 CSS Ht Ex Discharge '

i 1-FCV-67-125 CSS Ht Ex Supply.

1-FCV-67-126 CSS Ht Ex Discharge 1-FCV-67-146 CCW Ht Ex Throttling 0-FCV-67-205* Turb Bldg Hdr Isolation ,

1 0-FCV-67-208* Turb Bldg Hde Isolation '

0-FCV-70-1* SFPCS Hx Throttle 0-FCV-70-11* SFPCS Hx'. Throttle 1-FCV-70-153- RHR Hx Outlet Isolation 1-FCV-70-156 RHR Hx Outlet Isolation 0-FCV-70-193* SFPCS Hdr. Isolation l 0-FCV-70-'194* SFPCS Hdr Isolation. ,t L 0-FCV-70-19?* SFPCS Hdr Isolation 0-FCb70-198* SFPCS Hdr1 Isolation. '

, OaFCV-70-206* COWE Isolation

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1-FCV-70-207. CCWE Throttle. 1' l- 0-FCV-70-208* CDWE Isolation:

(- 1-FCV-72 Cont. Spray: Pump Suction-L :1-FCV-72 Cont. Spray r mp Section1 a

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SEQUOYAH -: UNIT 1- 3/4 8-35 , EAmendment' nom 3, 61 .l t ,;

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W r s MOTOR' OPERATED VALVES: THERMAL OVERLOAD PROTECTION; * - -

Valve No~. Functiori '

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1-FCV 72-22l L Cont /SprayPumpfSuction- ,

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1-FCV-72-23i iContdSpray'PumplS.uction; , 4 < a , y

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f1-FCV-72-41 RHR Cont. , Spray >Isol.: . . , . . , ,

1-FCV-74-1-- Open jfor, Normal PlantTCooldown 5 at 1-FCV-74-2 Open forl Normal?PlantlCooldown, o.

1-FCV-74 'ECCS.0perationL * -

11-FCV-74-21' ECCS Operation? , , ' ' '

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L1-FCV-74-33: ECCS Operation ' 4 1-FCV-74-351 ECCS OperationJ L.

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ISOLATION DEVICES: '

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i 328.3.3J All circuit breakers actuated byTfault cur' rents lthatLare usedfasi '

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isolation devices: protecting"IE busses" from non qualified loads shall,be: 4

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'With.one or more of ~ the above required ciscuitL.b'reakers) inoperable either: .

a.- Restore the Einoperable' circuit breaker (s); to'0PERABLE statdswithin! , M 8: hours, or- ' , <

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b. Trip the: inoperable circuit tireaker(s), Track-out' the circuitibYeaker(s) ,

within' Bihours and verifyLthe circuit _ breaker (s) to bei racked outlat least once per 7 days.thereafter;;the, provisions?of. Specification 5 i 3.0.4 are not applicableLto? racked-out circuit breakersk ori ' . 5 d

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c. .Be in at ~1 east HOT STANDBi within?the next 6l hours"andiin COLDL '

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t SURVEILLANCE' REQUIREMENTS 4;8.3.3 Eachoftheabove~ required l circuit; breakers:shalFbEdemonstratedi n X:

OPERABLE:

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a. At.least'once per 18 months by? selecting,andLfunctionallyLtesting aL ,

.representative sample of at.leastL10% of,each type;of: circuit l. breaker.; ,

- Circuit breakers selected forifunctionalLtestingisha11 be selected; on a rotating" basis; The functional testishall; consist ~ of injectingi

. a current input'at the specified.setpointito: each selected circuit breaker orLrelay andterifying that~each circuit breakerifunction:; asi designed. For each device found inoperable ~during these<functionab tests, anladditional representative? sample ofiattleast'10% of'each' over current protection device ofithe' inoperable type shal1Lalsoi- r be functionally tested until no more tfailures are foundfor-all' ' '

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devices of that type have been functionallyLtested.

b. . At:1eastLonce;per.60 m.iths.by subjectin0 each circuit break'erfto anL 4

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~inspectionJand preventive ~ maintenance!in accordance withLprocedures? >

prepared 4 in l conjunction' wi th its; manuf acturer! s ' reconr.andations .

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WASHINGTON, D.' C. 20555 f ,

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TENNES5EEVALLkYAUT'HORITY)['

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SE000YAH1NUCLEARTPLANTEUNIT12l ,

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.AMENDMENTLTO' FACILITY OPERATING LICENSEf

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. Amendment No. 53 ~

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" Lice'nse No.<DPR-79!

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- 1. - The Nuclear' Regulatory; Comission (the'Comission)Lhas[f$und Shat:3 4m, s'

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The licensee); application dated May;15 /for amendment n1987,< clarifies;on by Tennessee Munei162 1987# Val.leylAuthority;(the complies ,?"i withthestandardsandrequirementsToftheAtomicEnergy;:Actsofi1954h 2 as amended ~-(the Act), and the:Comission's rules;and'regulat. ions; set ' fl forth in :10:CFR ChapterfI;; 7 o 1

3

- , .. ,q i B. The. facility will, operate'in confomity 'with the" app 1'ication. .:the! ' . .

provisionsiof the- Act, and!theirulesiand regulations lofitheT 4 s%y

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Comission; '

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'C . There11s.reasonableassurance(1)LthatitheactiviNiesfauthoNzed[by1 Q this amendment. can:be" conducted without;endangeringtthe. health'and ,' >f safety of thetpublic; andL(ii)L that such activities willf bed j W ,W conducted.in compliance;with'the; Commission's regulations;L q, 'j

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D.

.defense;and The issuance securityTor of. this to'the amendment'will:

health and. safety ofcthe <

not public;;an beMnimica11to'7- . th e m m E. . The issuance ^of;this amendmentsissinLaccordance,withl101 CFR;Part 5'1} ' ' '

l of the Comission's fregclations;andialicapplicableirequirementsjhave:

been satisfied.- < <

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2. - Accordingly, thez1icense'is amended by' changes to. the: Technical.;

Specifications!as indicatedlin the.' attachment to Lthis : license amendments "

and paragraph 2.C.(2) of: Facility 0perating L.icense No. DPR-79 is hereby1 >

,1 amended to read'as follows: .

'(2) Technical Specifications o The. Technical' Specifications,containedin'. Appendices (A"andB,:as' i revised thro' ugh Amendment No.153 , are hereby-incorporated:in'the j '

license.rThe licensee sha11Loperate the facility.L;.in accordance with'

. the: Technical Specifications.

3. This license amendment is effective' as 'of its.date of..issuince.

FOR THE UCLEAR REGULATORY:C ISSION/

N 4q John 4.-Zwolinski? Assistant Director:

Lfor Pr'ojects TVAPdojects; Division;.

Officefof Special Projects.

Attachaent: .

Changes ~to the Technical

' Specifications - , g Date of Issuance: October 22, 1987 ,

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i l1 ATTACHMENT TO LICENSE AMENDMENT N0. 53 BCILITY'OPERATINGLICENSEN0.-DPR-79 . .

DOCKET N0'. 50-328c

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<. Revise the Appendix' A Technical. Specifications by removing the pages- 1 identified below and inserting the: enclosed pages. The revised pages- l are.. identified by the captioned amendment number and contain marginal ,1 lines indicating the. area-of' change. 0verleaf pages* are provided to- J maintain document completeness. ..

INSERT .i REMOVEl

.IX- IX*-

-X X-1 8-33' 8-33*  ;

, a 8-34 8 .l 8-35 8-35 .

8-36 0-3'6 8-37 --

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INDEXJ . ,

= LIMITING CONDITIONS FOR OPERATION ANDLSURVEILLANCE REQUIREMENTS .;

' ' oI

- SECTION' '

PAGET, ,;

a

-3/4.7.4' . ESSENTIAL'RAWLCOOLING-WATER' SYSTEM.

1 .c i H

'a Essential Raw Cooling Water?Systeme....'.......'............  : 3/4?7 ;q

-3/4.7.5 -ULTIMATE HEAT 4 SINK'.....,...................................

. 3/4 :7-~14i d

3/4.7.6 FLOOD PROTECTION.... ......:.t.............................

. ' 3/4 7-15;

• 1 n

n m

-3/4.7=7~ CONTROL. ROOM EMERGENCY VENTILATION SYSTEM................. 43/417-17 -j A

3/4.7 6 AUXILIARY BUILGldG GAS TREATMENT SYSTEM....................; '3/4.l7 19 -

)9 3/4.7.9 SNUBBERS.......'................:..i......................... .

L3/4L7-211 <

]

3/4.7.10 ' SEALED SOURCE CONTAMINATION......................'......... 3/4'7-415 3/4 7.11 FIRE SUPPRESSION SYSTEMS- .

Fire Suppression Water System........................'..... 3/4 7-43 1 Spray and/or. Sprinkler Systems. . . . . . . .>. -

- 3/4 7-45; -

1 3 a CO Systems.................................... .......... t3/4 7-47L n

2 Fire Hose Stations...............,........................, 3/4'7-48 3/4.7.12 FIR BARRIER PENETRATIONS.............. .........,........ 3/417-52"'

i

^

3/4.8 ELECTRICAL POWER SYSTEMS 3/4.8.1 A.C.. SOURCES' a

0perating................................................. " 3/4 8 Shutdown.................................................. . 3/4 8-9:

}

.3/4.8.2 ONSITE POWER DISTRIBUTION SYSTEMS- .

n 3

A.C. Distribution - Operating.............................

.  ; 3/4 8-10 A.C. Distribution Shutdown............... . ............... 3/4L8-11' .

t D.C. Distribution - -

0perating..................:.......... . ;3/4 8 I

< JJ D.C. Distribution -: Shutdown...... ....................... d 3/4 8-15

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lSEQUOYAHL- UNITJ2L . .

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, ,q J LIMITING-CONDITIONS FOR OPERATION N /A'D 1 SURVEILLANCE REQUIREMENTS d

SECTION ,

, -- PAGEC a

. O"

~3/4.8.3 .' ELECTRICAL. EQUIPMENT PROTECTIVE DEVICES' M ',

~

^

Containment Penetration Conductor OvercurrentiProtectiVe} ..4 '

Devices.....................L.;....;......................

l!3/48-16? ..g

.~ : n -

Motor 0perated Valves Theemal  ? 0ver. load: Protection.... 3...Y h3/4'8-334 .

..9,. ; .

U3

( I s o l at i o n ' De v. i c e's ' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .' . . . .

'. 3/.4; 8-36 ; %g g

i ' l

' I 3/4.9 REFUELING?0PERATIONS.

3/4.9.1 :lBORON CONCENTRATION ............................:........... .

?;3/4J911L 1 3/4.9.2- INSTRUMENTATION...........................,...........'...... 33/4 9-30 9, w

3/4.9.3 DECAY' TIME................a.............................. k 3/4 9-4L .d a

3/4.9.4 'CONTAINMENTBUILDINGPENETRATIONS.N.........[............. -3/4'9-5f;,

3/4.9.5- . COMMUNICATIONS......................,......................  !

< 3/4' 'L9'-61

• i;l 3/4.9.6 -MANIPULATOR CRANE.... ................................r.....

3/4 9-7.

3/4.9.7 CRANE TRAVEL - SPENT ' FUEL PIT AREA.'. . . . . . . . . . . . . . . . . . . . .'. . 3/4 69-81 3 a

3/4.9.8  : RESIDUAL. HEAT REMOVAL AND COOLANT CIRCULATION . ,I q

All Water. Levels............. ......... . .. ............. t 3/4 9-9 m + .. .

q Low Water Leve1............... .

.....i...........J.......... .

3/4'9-10i= .

N 7

3/4.9.9 CONTAINMENT VENTILATION ISOLATION SYSTEM................... /3/4f9-11? <

3/4.9.10 WATER LEVEL - REACTOR VESSEL. . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . U 3/419-12 ' 1 3/4.9.11' WATER LEVEL - SPENT FUEL PIT................................ i3/4-9-13L -

,, C 3/4 9.12 AUXILIARY BUILDING GAS TREATMENT SYSTEM.....,...........n .

1 3/4 9-14! .

1:

.3/4.'10 "SPECIAL It1T EXCEPTIONS' o ,

4 i 3/4.10.1 ' ' SHUTDOWN MARGI N . . . . . . . . . . . . . . '. . . . . . . . . . . . . . . <. . . . . . . . . . .'. . ' 3/4(10-13 i 3/4.10.2 GROUP HEIGHT, INSERTION,AND POWER DISTRIBUTIONJLIMITS......- 13/4L10-2;

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'3/4.10.3 PHYSICS TESTS....,...............~.....;...........;........ .

. .3/4 10-3, .

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ELECTRICAL POWER SYSTEMS-MOTORO'PERATED VALVES THERMAL OVERLOAD-PROTECTION.

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LIMITING' CONDITION FOR OPERATION , ,

-a i '3.8.3.2 ' Theithermal ' overload protection devices,: integral' with the motor ]

starter, of.each1valveilisted _in Table.3.8-2Lsha11 be. OPERABLE. z

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APPLICABILITY: - Whenever the. motor operated;valveiis required to! be 0PERABLE; ACTION:-

With' one or more of' tha thermal. overload-protection = devicesiinoperable,idecNre '

the affected valve (s). inoperable andLapply:the: ACTION Statement to the'affected valve (s). .'

.i q

, j SURVEILLANCE REQUIREMENTS ,

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'1

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4.8.3.2 The above required, thermal overload' protection' devices shall be~ l demonstrated OPERABLE::

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.At least:once per 18 months by the performance of'a. CHANNEL

~

a. 1 CALIBRATION'of a representative sample'off at..least: 25% off a111 thermal.

overload devices-which'are not' bypassed,;such that each non-bypassed' "

device'is, calibrated at least;once per 6 years' j

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, iTABLE 3~.8-2l(Continued). ,

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y MOTOR OPERATEDLVALVES THERMAL' OVERLOAD ' PROTECTION 7

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. iValve-No. ' Function: 1 u

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q L2-FCV-1-15 .Stm! Supply:toiAux1FWP: turbine. , m , q

'2-FCV-1-16:

Stm Supply.to~ Aux FWP turbine- y 2-FCV-1-17

^

LStmLSupply?toLAux FWPjturbine- .g , , m

'2-FCV-1-18 Stm Supply..to' Aux FWP-turbine"..  % d , .

'2-FCV-62-138 Safe Shutdown Redun'dancyl(CVCS)- ' e f.

• a7 2-FCV-63-1;

ECCS Operation '

' 4

'2-FCV-63-3' SI Pump l Mini-flow 'r

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2-FCV-63-4: SI Pump: Mini-flow .

9 2-FCV-63-5" ECCS Flow Pathi s d 2-FCV-63-6. . ECCS. 0peration' = ,

2-FCV-63 'ECCS'Operatione ' ,

!, ~2-FCV-63-8 . 'ECCS Flow 1Pathi < ' U- <

L 2-FCV-63-11 ECCS Flow Pathe 2-FCV-63-22 ECCSl Flow Path l '

d

'2-FCV-63 Train' Isolation' '

• Li 2-FCV-63-40' 2-FCV-63-72 Train Isolation.

ECCS Flow Path froml Cont.pSumpD

. :( . . . e y Vjj

. FCV-63-73 2-FCV-63-93

'ECCS FlowiPath from Cont'SSump .

'lW ECCS Cooldown Flow Path <

1 2-FCV-63-947 ECCS Cooldown' Flow Path '

4

'2-FCV-63-152

.ECCS Recire ,

' 'L , ,

H 2-FCV-63-153 ECCS Recirc- '

2-FCV-63-156 ECCS Flow' Path _ ,

j 2-FCV-63-157 ~ECCS Flow' Path:

2-FCV-63-172 ECCS Flow Path '

'2-FCV-63-175 LSI Pump Mini-flow 1, l 2-FCV-67-123 CSS Ht'Ex Sup' ply ' , '

!- 2-FCV-67-124 CSS Ht Exl Discharge .

2-FCV-67-125 CSS Ht'Ex' Supply. ~ '

2-FCV-67-126' , CSS Ht.Ex Discharge. N "

2-FCV-67-146 CCW Ht'Ex Throttling '

FCV-67-205* Turb Bldg horLIsolation- 'n '

0-FCV-67-208* Turb Bldg Hdr Isolations G-FCV-70-1* 'SFPCS Hx Throttle- '

d 0-FCV-70-11* SFPCS Hx Throttle r 1-FCV-70-153 RHR Hx 0utlet Isolation ~ i 4, 2-FCV-70-156 -RHR.Hx Outlet Isolation '

0-FCV-70-193*' SFPCS 'Hdr Isolation - "

. , 9 0'-FCV-70-194* SFPCS.Hdr IsolationT Y

. d M

". '0-FCV-70-197*- SFPCS:Hdr Isolation - '

0-FCV-70-198*' SFPCS Ndr Isolation .

0-FCV-70-206*- CDWE Isolation"

~1-FCV-70-207 . CDWE Throttle- '

s j' '

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'. 0-FCV-70-208* - CDWE Isolation . .

. 1 2-FCV-72-20" Conth Spray-Pump Suction' . .

n -2'FCV-72-21' l Cont.; Spray:. Pump; Suction 3 1; ,

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. . .3/4 8-34 M  : :qAmendment NoN25 4S31, < ; 4 eg ,

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TABLE 3.8 2[(Continued) ,.

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MOTORiOPERATE0' VALVES. THERMAL OVERLOAD PROTECTION: '

[,' M U

q

, , j Valv'e No.

..Functfon. <

1

2-FCV-72-22: Cont.; Spray Pump l Suction'.

f (2-FCV-72-23<  : Cont.. Spray Pump Suction:

7

, W ,d y~ ;2-FCV-72-40' RHR Cont.LS praycIsol'.

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. 2-FCV.72-41:- :RHR; Cont.. Spray /Isol.t _ ., .

E 2-FCV-74-1L ~ ;0 pen for? Normal Plant:Cooldown; '

(. , , d

2-FCV-74-2 > 0 pen for.;. Normal.iPlantVCooldown- * , "( 4' , d 2-FCV-74-3' TECCS.0perationL 9/ , -x x

M 52-FCV-74 lECCS: Operation ""

2-FCV-74-33 ECCS' Operation. ,

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'2-FCV-74 'ECCSi0peration af N ' , 7!,

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. ELECTRICAL POWER' SYSTEMS: l g'

ISOLATION DEVICES ,

i

. LIMITING CONDITION FOR OPERATION- 1 n,

3.8.3i3 A'llicircuit' breakers'actuat'edlby-faul't currentsithab are useS asi ~

isolationidevices protecting'IE busses from'non.qualif.ied' loads shalixbef

-OPERABLE.

' ~

+ w APPLICABILITY: MODES 1, 2, 3 and 4. , , ,,

• a ACTIONi. , ..,

{

With one or more'of the above required circuit breakers inoperable leitheri ,

1 y

a. Restoret'heinoperablecircuitbreaker(s)to[0PERABLEistatus'within-  ?

8'ho'rs,u or.. .

a

b. . Trip the inoperable circuit breaker (sh ra'ck-out the circuit breaker (s)[

-within 8 hou:s and verify the circuit breaker (s)itolbe racked.out:at i

+

least once per 7 days thereafterf the; provisions;of: Specification;3.0.4) '

are not applicaole te racked-out; circuit breakers,:pr! >

3.,  !

, m '

a

c. Be in at least-HOT STANDBYmwithinothe nexti6'h'o'urs!and!in COLDJ , ' ' '

M SHUTDOWN within the following 30-hours. , ,

']

^

~ SURVEILLANCE REQUIREMENTS- x 4.8.3.3 Each of the above required circuit breakersfshall'bel demonstrated .

' j: f OPERABLE:

e & .

s a

H

a. At least once per 18 months by selecting' and functionallyitestIng a1. '

b representative sample of at least 10% of each type.of circuit breaker.

Circuit breakers selected for: functional testing'shall:beTselected; on a rotating basis. !The functional test shall consist of injectingf a current input at the specificd setpoint to,each: selected. circuit 1 ,

breaker or relay.andl verifying that each circuit breake( functions 7 q as designed. For each:desice found, inoperable!during theseifunctional:

tests,'an additionalTrepresentative. sample.ofTat!1 east 10% of?each over current protection device of:the inoperable (typeisha111also:be?

- s ,

l functionally tested .untillno'more failurestare!found orJall . devices: 4 '

J of.that; type have beenifunctionallyltestedL  ;

'R -

x b' . ;At1 east:once:per60Lmonthsb9subjectingle'achcircuitbreakertoLan ,

inspectionfandLpreventive maintenancelintaccordance with procedurest ~

.y.

lpreparedinconjunctionwithitsl manufacturer'sirecommendations. ,Wg

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n," USEQUOYAH L3/4l8-36r 'm ' ' - <

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