ML20126G674

Me Yankee Inservice Insp Program,Revision 1,re Pump & Valve Testing

ML20126G674
Person / Time
Site:	Maine Yankee
Issue date:	02/24/1981
From:	Randolph J, Speed L, Wood E Maine Yankee
To:
Shared Package
ML20126G672	List: ML20126G669 ML20126G674
References
3.17.6, NUDOCS 8103310200
Download: ML20126G674 (77)

Text

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Proc. Uo. 3.17.6 Rev. No.'. 1

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ATTACINENT B ISI PROGPJN CHANGE Date '2-24-1981 Change No. PC pey, 1- 1981 Program Nc. First - .

Iast Change No. Year Interval. Period Inspection Category Inservice Testing of Pmps and valves.

Description of Change _ Extensive changes have been made to the plutp ard valve testing smtions of this program. Caly these sections have been changed, and they are attached for review and approval.

( mson.for Change changes were made to meet the requiranents set forth in a prcgram review with the tmC-DE and B3&G Idaho, Inc., on the 15th & 16th of July 1980. Several changes resulted fran subsequent telephone conversations concerning a proposed revision, which was sent to the NTC on Nov. 12, 1980.

fen pi@ tor WW S&A w Plt.'t,dSI ja6ordinator APPROVAL (Gignificant 01ay,es Only):

Depar tmen Supervisor

$Nl4 -

Pl' ant Manager Sh'/ HJAA PORC ...

$b~ l2[b Jv Manager of Operations 3 f Form 3.17.6-1 f 810831020o

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SECTION VI .

VALVE TESTING 1

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TABLE OF COTP.2?IS SECI'IGJ VI: VALVE TESTING

, INI' ROUX'TIQi VALVE CATEGORIES  ;

VALVE SHELT IKEND (SDiBOIS)

GENERIC EXEMPTIOiS FET.TFF RB20ESTS

' VALVE IIST 49

INTRODL7., ICH:

'Ihis section consists of a list of all the valvec that my be required to safely shutdom the plant or to mitigate the consequences of an accident. Information concerning the classification, function, ard testing of each valve is incitded. All valves lis*2d will be tested in accordance with Secticn XI of the ;e2 Code, subsection IW, as amedned to the suumer of 1975. Deviations frcm these requiremen+a hve been reviewed and noted in the relief requests at the e:d of this section.

In accordance with paragraph (g) (5) of 10 TR 50.55a vaine Yankee Atcmic Power Ccnpany reserves tha right to alter the testing requirements for valves should it be fotrd that these requirenents be 2mpractical. The alterations will receive the same review ard i approval as the program itself. l

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VALVE CATEGORIES Category A - Valves for which seat leakage is limited to a specific traximum amount in the closed position for fulfillment of their function. These valves are leak tested as required by ISE Section XI, or Ippendix J of 10 TR 50.

Cagegory B - Valves for which seat leakage in the closed position is inconsequential for fulfillment of their function.

Category C - Valves which are self-actuating in resconse to scrne system characteristic, such as pressure (relief valves) er flow direction (check valves) .

Category E - Valves which are norrrally locked (or sealed) open or locked (or sealed) closed to fulfill their function.

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VALVE SHEET IIGEbD SYMBOL: VALVE TYPE VG4  : Butt-Welded Globe

. VOS  : Socket-Welded Globe VOT  : 'Ihreaded Globe VGi  : Butt-Welded Gate VGS  : Socket-Welded Gate VGT  : Threaded Gate SV  : Safety Valve VCW  : Butt-Welded Check VCS  : Socket-Welded Check VCT  : Threaded Check VAW  : Butt-Welded Angle VAS  : Socket-Welded Angle VAT  : Threaded Angle VVI  : Non-Flanged Butterfly WF  : Flanged Butterfly SOV  : Solenoid Operated Valve

'IV  : Trip Valve VBS  : Socket-Welded Ball Valve SIGNAL TYPE s

SIAS - Safety Injection Actuation Signal CIS - Containment Isolation Signal RAS - Recirculation Actuation Signal CSAS - Conta2.nment Spray Actuation Signal FCB -

Main Control Ibard SGEP - St.eam Generator Emergency Panel VALVE JCIUA'IOR SYMBOIS SYMBOL TYPE EXAb?LE A Air AFW-A-101 M Motor FW-tfl04 S Solenoid CH-120-S S Safety PV-S_ F Flow Control TW-F-107 P Pressure Control MS-2-168 T Trip BD-T-12 VALVE POSITICN SYMBOLS 0 - Cyen C - Closed 10 -

Iccked Cten IC - Locked closed M - Mcdulating

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IEGEND FOR VALVE TESTDXi FREQUENCY O- Exercise valve (full stroke) every (3) nonths Op - Exercise valve (part stroke) every (3) nonths LT - Inak test valves per Section XI Article IW-3420, every refueling .

LTs - Isak test (special); the main steam and feed system is leak tested i by a special supplenent to the Containrent Class "A" Test which is R performed as required by 10 CFR 50 App. J.

SRV - Safety and relief valves are tested per Section XI Article. IW-3510

& Appendix J.

ET - Valve positions are verified and recorded before operations are l performed and after operations are corpleted.

CS - Exercise valve (full stroke) during cold shutdowms.

csp - Exercise valve (part stroke) during cold shutdowrs.

R - Exercise valve (full stroke) every reactor refueling RP - Exercise valve (part stroke) every reactor refueling 4

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VAIN STFJP. AND FEEDGCER SYSTEM IEAK TFST EXEWIICN The Main Steam and Feedwater Lines are carefully designed to maintain integrity during a Irc incident. Isolation fran the containment atr.osphere is provided by the steam generator shell (merrbrane barrier) and its connecting piping. These ca".ponents are designed to withstand pcstulated missiles and water jets fran the ICS.

Isolation outside the containment is provided by nonretu:m valves, relief valves and automatic isolation valves in the steam piping and check and remote manual valves in the feedwater piping. All exenpt valves are identified in the valve list by "LTs" (Isak Test Special)

R printed in the test frequency colunn. Also see Palief Request V-12.

The integrity of these valves will be determined at the conclusion of Class A leak tests on the containment by remotely opening steam generator vents while the ccntainment is pressurized to the 28 psig retest pressure.

The increase in contairment leakage due to exposure to internal pressure will be determined and extrapolated to 50 psig as described in the l

(., , %chnical Spacifications, section 4.4.E.2 where applicable. l This test, therefore, is an exceotion to standard Class C leakage testing methods. Mcwever, the results and intent will rcmain unchanged.

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IICKED CATEGCFCf "A" AND "B" YAU/ES STRCKING DDFTICN i All valves categorized "A, E" or "B, E" in the valve list are passive valves. All category "E" valves are locked in their safe positien. Therefore, adding "E" to any other valve category exempts that category frcrn nor:ral stroking recuirements.

All category "E" valve positions are verified by plant operating procedures and are identified in the ISI program valve list as being category "E", "A, E", or "B, E".

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MOCXFlTING CCNI'ROL VALVES

, STRCEE TIME EXEMPTION t

Sme control valves operate in response to system conditions. The control characteristics of these valves makes stroke timing neaningless. '

'Iherefore, we wish to exenpt these valves frcm the nomal stroke timing requirerent. We will cycle these valves quarterly unless relief is requested for scrre other reason, fedulating control valves are identified in the valve list by an "M" (Modulating) printed in the normal or safety position colums.

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M VALVE RELIEF FEQLTST NUMBER: V-1 SYSTC4: High Pressure Safety Injection VALVE: HSI-17, HSI-27, HSI-37 DRAWING NO.: FM-30tV90A CATEGCRY: C CIASS: 1 i

FUNCTICN: Injection Check Valve EXEMPT TEST: Q BASIS FOR RELIEF: 'Ihese valves cannot be exercised during powtr operation since this would require injecting highly borated water into the reactor coolant systen causing reactivity excursions on the reactor. Furtherncre, this would cause thennal stresses on the reactor coolant system piping by the introduction of relatively cold water.

ALTERNATE TEST: (csp, R) 'Ihese valves will be partial stroke exercised

( during cold shutdcwn corditions providing the residual heat renoval (RHR) systen is being utilized to remove reactor decay heat. The RER systen cannot be placed in service during a cold shutdown specifically for the purpose of testing these valves due to extensive manpower utilization and man-ran exposure. Full stroke exercising of these valves shall be done during refuelina outages with the RCS depressurized and the safety injection tanks being utilized. The safety injection tanks provide the only means for full strcking as the PRR system provides only sufficient flow to partial stroke exercise these valves.

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• VALVE PU M REQUFET l

NUMlER: V-2 SYSTEM: Chemical and Voltrne Control ,

VALVE: LD-M-2 DFAWRC NO.: FM-31A/91A CATEGORY: A B

CIASS: 1 3

FUNCI' IONS: Letdown Isolation EXEMPI' TEST: Q-BASIS FOR FPM: This valve cannot be exercised during power operation

' since failure tould cause a loss of pressurizer level control and reactor coolant system chemistry cxantrol.

ALTERNATE TEST: (CS) This valve will be full stroke exercised during cold shutdcwns.

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VALVE PFJJEF REGLTST ,

I NU4BER: V-3 l

4 SYSTS4: Chemical and Voltrce Control VALVE: LD-T-S CRAWING NO.: FM-31A/91A CATEGORY: A CLASS: 1

.; FLNCI'ICN: letdown Temperature Control EXEMPT TEST: Q j BASIS FOR RELIEF: This valve cannot be exercised during power uwation j

since failure would cause a loss of pressurizer level

control and reactor coolant system cranistry centrol.

ALTERNATE TEST: (CS) This valve will be full strcke exe.rcised during cold shutdowns.

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VALVE RELIEF REQUEST SUGER: V-4

- SYSTEM: Chemical ard Volute Control VALVE: CH-72 DRAWING NO.: EM-31A/91A CATEGORY: C CLASS: 1 FUNCTICN: FCS Looo Fill Header Chcek Valve

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! EXEMPT TEST: Q i

BASIS FOR FFT M : This valve cannot be exercised during power operation as this would require injecting relatively cold water into the reactor coolant system (RCS) causing thenral stresses on the BCS piping and reactivity changes due to the cold water being added with subsequent possible reactor trip.

! ALTERNATE TEST: (CS) This valve will be full stroke exercised during

' cold shutdowns.

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VALVE F57.TFP REQUEST tG EER: V-5 4

SYSTD4: I.cw Pressure Safety Injection VALVE: ISI-12, LSI-22, ISI-32 DRAWDG NO.: FM-31B/91B CATEGORY: C CIASS: 1 FUNC.TICN: Ice Pressure Safety Injection Check Valve EXEMPT TEST: Q BASIS FOR RET.TEF: These valves cannot te exercised during power operation as the LPSI punps do not develop enough head to overccare the reactor coolant system pressure on the dcwnstream side of these check valves.

ALTERNATE TEST: (CS) 'Ihese valves will te full stroke exdrcised providing the residual heat removal system is being utilized for decay heat renoval. The RHR system cannot be placed in service during.a cold shutdown specifically for the purpose of testing these valves due to extensive man-power utilization and man-ren exposure.

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VALVE PELIEF REQUEST t NLF4ER: V-8 t

SYSTEM: High Pressure Safety Injection VALVE: ESI-15, HSI-25, HSI-35 DFAWING NO.: FM-31B/91B CATEGE(: C CIASS: 1 FLUCTI21: Injection Check Valve EXEMPr TEST: 0 t

l BASIS FOR RELIEF: - These valves cannot be exercised during power operatio- <

since this ficw path would inject cold charging water

- into the reactor coolant system causing themal stresses on the injection nozzles. Injecting cold water might also start a reactivity excursion which could cause a reactor trip.

ALTERNATE TEST: (Csp, R) l l

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VALVE FmW RECL'EST NLMBER: V-9 SYSTDf: Charging System

! VALVE: CH-M-52 DRAWING NO.: Db31A/91A CATEGORY: A j CLASS: 1 I

f FUNCTICN: Charging Supply to Auxiliary Pressurizer Spray

EXFlM TEST

Q l BASIS FOR RELIEF: This valve cannot be exercised during power operation

, since failure of this valve in the open pcsition could cause

' a loss of pressurizer /RCS pressure control.

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! ALTERNATE TEST: (CS) This valve will be full stroked exercised during i cold shutdcwns.

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VALVE FELIEF REQLEST hU43ER: V-10 SYSTEM: Charging System

! VALVE: G-F- 38 DFAWElG NO.: FM-31B/91B CATEGORY: B

<3 CLASS: 2 FWCTICN: Charging Flow Cbntrol EXENT TEST: Q BASIS FOR F m W: This valve cannot be full stroke e ercised during power operation since pressurizer. level control could be lost if the valve failed in the shut position.

ALTEFNATE TEST: (Qp, CS) 'Ihis valve will be partial stroke exercised quarterly and full stroke exercised during cold shutdowns.

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VALVE pFr.TEF REQUEST

. i NUMBER: V-ll I

l SYSTEM: Feedwater -

VALVE: EW-M-104, 3HE204, EVH4-304 lt DRAWING NO. EM-12A/73A CATEGORY: A SAEEIY CUSS: 2 I EUNCTION: Steam Generator Isolation Valves EXEMPT TEST: Q BASIS EVR PFr.TEF: Feedwater carmt be secured while the plant is operating. Interrupting the 3.5x106 lbAr. i feedwater flow to a steam generator would cause a low water cordition which could result in a plant trip.

i ALTERNATE TEST: These valves will be cycled full stroke during l cold shutdown conditions. j l

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VALVE RELIEE' REQLTSI I

1 NLHBER: V-12 SYSTEM: Contaiment Spray VALVE: CS-& 91, CS-N-92 DPANING NLNBER: EM-32A/92A CATEGDRY: A SAFETY CU &9: 2-EUCTION: Contalment Sump Isolation Valves EXEMPT TEST: LT EASIS FOR PFTM: The design of this system is not conducive to the standard type "C" leak test.

ALTERNATE TEST: (LTs) The integrity of these valves is tested as part of our contaiment class "A" leak test which is performed each inspection period.

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VALVE PFTM REQUEST NtNBER: V-13

.i i SYSTEM: Ca pressed Air and Contairvnent Isakage Monitoring VALVE: IS-109 DRAWING NO.: EM-208/81B CATEGORY: A/C CIASS: 2

! EU4CTICN: Containment APD Discharge Header Check EXEMPT TEST: Q i

BASIS E'OR FF7M: This Valve can only be verj fied to close by leak testing, which is performed during refueling outages.

R ALTER 1 ATE TEST: (LT) Valve will be leak tested each refueling outage.

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VALVE FFLTF' PIQUEST 1

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L"4BER: V-14 SYSTH4: Residual Heat Ihrxwal VALVE: RH-M-2 i DPMING NO: EM-32A/92A CATEGORY: A l

SAFETI CLASS: 1 FLNCTICN: Pesidual Heat Famoval Outbcctrd Step Valve ,

EXH4Pr TEST: Q, Cs, R BASIS FOR TELIEF: This passive valve is not required to operate during plant operation or during anergency core cooling.

Plant procedures require that this valve be locked closed at the centrol board during plant operation.

ALTERNATE TEST: Position verification by procedure.

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VALVE RELIEF REQUEST ,

tO!BER V-15 SYSTEM: Ca pressed Air and Containment Isakage Monitoring VALVE: IA-137 DPJRING NO.: FM-20B/80B CATEGORY: VC CIASS: 2 FU4CIICN: Instrunent Air Containment Check EXEMPT TEST: O BASIS NR RET.TTT: This valve is passive and always in its safety related position (closed) during power operation.

ALTEM4 ATE TEST: LT i

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VALVE RELIEF FIQUEST L"EER: V-24 I SYSTD4: Chemical and Volure Control VALVE: SIrP-3 DRAWING NO.: IN-31A/91A CATEGORY: A l CIASS: 2 i

FUNCTION: Peactor Coolant Purp Seal Water PCI EXEMPT TEST: Q l BASIS FOR REIJEF: This valve cannot be exercised during pcyer operation, since closing this valve wuld stop seal water ficw to the reactor coo _ -t pumps, which could cause seal failure.

ALTERNATE TEST: (CS, R) Th's valve will te full stroke exercised'during cold shutdcwns when the RCP's are not ruraing and during refueling outages.

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VALVE REIZEF FEQEST I

, NUMBER: V-26 l SYSTEM: High Pressure Safety Injection /PCS Charging t VALVE: HSI-52, HSI-53, HSI-56, HSI-57, CH-149, CH-150 DRAWING NO.: EM-31B/918 CATEGORY: C 4

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I FUNCTICN: Charging Pung Check Valves EXEMPT TEST: Q BASIS FOR PFTM: These valves cannot be full or partial stroke exercised i during power operation since this would require injecting highly borated water into the reactor coolant system causing a reactivity excursion, which could result in

! a reacter trip.

, ALTERNAIE TEST: (csp, R) These valves will be partial stroke exerc.ised at a cold shutdcwn frequency. Full stroke exercising cannot be acecrplished during cold shutdown conditions, since an exransion volum does not exist in the RCS to acccrmedate the large volum of water required to full strcke exercise these valves. !b other full ficw ficwpath exists for full stroke exercising these valves during the cold shutdcun condition. The valves will be full stroke exercised during refueling outages.

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VALVE RELIEF REQUEST f 1

1 NUMBER: V-27

! SYSTEM: Residual Heat i<emoval VALVE: ISI-42, LSI-43, LSI-44, ISI-45 DFAWING NO.: % 32A/92A CATEGCRY: C l CIASS: 2 '

PECTICN: PNST Outlet Check and LPSI Purg Strti.on Check Valves EXE2@T TEST: Q , CS BASIS FOR PFmT: These valves cannot be full stroke exercised during pcwcr cperation, or cold shutdowns-since the c ly full flow ficwpath is into the reactor coolant system and the low pressure safety injection putps cannot overcare PCS pressure.

ALTERNATE TEST: (Qp, R) These valves will be partial stroke exercised during power operation and full stroke exercised at refueling outages. .

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l VALVE PFTM REQlEST NCMEER: V-28 i

j SYSTEM: Residual Heat Remaval VALVE: LSI-50, ISI-51 DRAWING NO.: FM-32A/92A CATEGORY: C CLASS: 2 FUNCTICN: LPSI PuTp Discharge Check EXEMPT TEST: O i s BASIS FOR RELIEF: These valves cannot be full or partial stroke exericsed 1 ,

during power operation, since no flowpath exists except into the RCS or containment spray headers. The LPSI purps cannot overcare RCS pressure to pemit flow in this direction.

ALTEENATE TEST: (CS) 'Ihese valves will be full stroke exercised during cold shutdowns when the RHR system is being utilized to renove core decay heat.

C VALVE pyr.Tw REQUrsT P

NUMBER: V-29 SYSTC4: SIA-10, SIA-20, SIA-30 DRNfIN3 NO. : FM-32A/92A CATB3ORY: C CIASS: 2 FUNCTIW: Safety Injection Tank Discharge Check Valves EXDFT TEST: Q, CS, R BASIS FCR .6: 'Ihese valves cannot be fully or partially stroked during

• plant oeprar.icn or cold-shutdcwn conditions. The

, reactor coolant systan la normally at a higher pressure it then the safety injection tanks, and this back pressure wps these check valves closed.

Exercising these valves full stroke during refueling would require the tined dumping of each tank into an open reactor vessel. The reacter head must be off to insure a sufficient R.C.S. volume, at a low enotz;h pressure to allcw a rapid discharge of each tank. Under these conditions the surge of water into the vessel might move and dmrage the fuel, which is nomally held dcwn by the reactor head. Folicwing the surge of water, a large volure of nitrogen would be idscParged into the contaiment building. This nitrogen m uld propel contaminated material into the containment building's atrosphere.

These valves are seal welded closed, have no mechanical methcd of cycling, ard are located in a high radiation area.

ALTERIATE TEST: These valves will 'oe part stroke exercised during refueling outages with the S.I. tanks being utilized  !

to meet flow requirerents. Testing will be done .dth '

the vessel head recoved and the RCS depressurized.

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, VALVE REIZEP REQU2ST lr

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V-30 SYSTEM: Containment Spray VALVE: CS-25, CS-26, CS-29, CS-30, CS-48, CS-51 l DPAWING NO. : FM-32A/92A

, CATEGORY: C CLASS: 2 f

f FLNCTION: Contaircent Spray Check Valves I

! EXEMPT TEST: Q B!LSIS FOR PPT.TFF: These valves cannot be full or partial stroke exercised during power operation, since no ficw path erlsts ex pt into the RCS or containment spray headers. The LPSI pumps cannot overemo BCS pressure to permit flow i in this direction and spraying contairrent would soak and dwage electrical equipnent frca contaminated borated water resulting in a massive cleanup effort.

ALTERNATE TEST: (CS)

• These valves will be full stroke exercised during cold shutdo,e.s when the RHR system is being utilized to remove core d- ty heat.

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NUMBER: V-33 SYSTD1: Air Cooling ard Purging

, VALVES: VP-A-1, VP-A-2, VP-A-3, VP-A-4, VP-A-5 l DPMK; NO. : FB-6A/38A CATEGORY: A CLASS: 2 i

I FUCI'IQ4: Containment Purge System i

I EXD PP TEST: O

'I BASIS FOR RELIEF: These valves are passive and do not CMnge position to perform their safety related function, therefore exempt frcrn regular testing requirements.

ALTERGIE TEST: (R, LT) Cycled and leak tested at a refueling ir.terval.

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VALVE RELIEF REQUEST

!E.2GER: V-36 SYSTEM: Containment Spray i

VALVE: CS-3, CS-4

< DP# m E NO.: FM-32A/92A CATEGORY: A/C CU\SS: 2 I FUNCTICth Containment Spray Headers Inlet Check EXEMPT TEST: Q, CS BASIS FOR RELIEF: These valves cannot be full or partial stroke exercised t' during pomr operations, since the only available flow-path introduces centaminated water into the containmnt i area via the spray headers. This w uld result in electrical equirmont damage and a mscive radiological cleanup effort.

ALTERLM'E TEST: (csp, R) These valves will be partial stroke exercised ,

during cold shutdcrans by means of a drainline flow

. path. .

Full stroke verification will be acccrnplished by partially disassabling the valves follcmd by mechanical exercising.

Alternately, one valve will be disassmbled and exercised each refueling outage. If a degraded condition is found, the valve in the other train will be disassembled and tested. This mthod will insure valve operability while reducing radiation exposure, testing costs, and gers al respirator w rk.

VALVE FM.M PICLT.ST NUMBER: V-37 l SYSTD4: Containment Spray ,

- i VALVE: CS-93, CS-94 i DiMWING NO. : EM-32A/92A CATEGORY: C CLASS: 2 ,

F1NCTICN: Containment Smp Suction Check Valves l

! EXD4PT TEST: 0 BASIS FOR PFLM: These valves cannot be partial or full stroke exercised during power operation or cold shutdowns, since the only flowpath wuld regture ficoding the contairnent i

smp and this is neither possible or practical.

ATTDNATE TEST: (R) These valves will be full stroke exercised during refueling outages by partially disassemblits the ,

valves folicwpc1 by mechanical exercising.

Alternately, one valve will be disassmbled and exercised each refueling outage. . If a degraded ccniition is fcurd, the valve in the other train will be disassmbled and tested. This methed will insure valve operability while reducity radiation -

exposure, testing costs, and general respirator work.

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VALVE FFT.Tn REQLEST NCMBER: V-38 SYSTEM: Primary Ccnponent Cooling VALVE: PCC-222 DRAWItG NO. : EM-34C/94C CATEOCRY: A/C CIASS: 2 FUNCTICN: Header Inlet Check to Containment Air Coolers EXEMPT TEST: Q BASIS ECR Fri.TW: This valve is open during pcraer operation, since this flowpath is the inlet line for PCC to the air-coolers in containtrent, therefore verification of the valve closing (its safety related position) is not possible.

ALTEFNATE 'IEST: (LT) This valve will be verified to tieve shut (its safety related position) during reft:eling outages, at which time a leak rate test is performed.

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l VALVE REIlEF REQUEST i

! !7dMBER: V-42 ';

SYSTEM: Secondary Conponent Coolity; VALVE: SCC-T 2?7, BCC-T-257, SCC-T-315 j DRANING NO.: FM-17;/'?.A, 17B/78B

, CATEGORY: B t

CLASS: 3 FCNCTICN: Hydrogen, Turbine Cil, and Electro-Hydraulic Governor Oil Coolers Tenperature Control I

EXEMPI TEST: Q l i

i BASIS FOR RELIEF: 'These valves cannot be exercised during power cperation, since this would cause overheating of the turbine generator, electro-hydraalic governor oil control system,

' ,l and turbine oil system, which are required for continued '  !

p er operation.

ALTERNATE TEST: (CS) These valves will be full stroke exercised during cold shutdown conditions. j i

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VALVE RELIFE REQUEST G EER: V-43 J SYSTDi: Auxiliary Feedwater l

l VALVE: AEW-43, AEW-306 DPAWIIG NO. : EM-12A/73A CATEGOFY: C j SAFETY CIASS: 3 i .

i FUNCI'ICN: Aux. Feedwater Pung Suction Checks

EXEMPT TEST

Q BASIS FOR RELIEF. These valves cannot be full stroke exercised during power operation. The only full-flow path is to the steam generators and the cold water would cause thernal transients on the steam generator feedwater nozzles and ultimate failure.

ALTEINATE TEST: (Op, CS) These valves will be part stroked during the nenthly puup tests and full stroked on a cold shutdown frequency.

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i SYSTS4: Auxiliary Feedwater VALVE: AEW-104, AEW-204, A % 304 DRAWDIG NO. : h 12A/73A CATEGORY: C SAFEIY CIASS: 2 FUtCTICN: Aux. Feed System Isolation from Steam Generators EXDFf TEST: Q i

BASIS FOR PET.TFF: These Valves Cannot be exercised during pCWer operation, since the only flow path is into the steam generators and the cold water would cause therral transients on the steam generator feedwater nozzles and ultimate failure.

ALTERNATE TEST: (CS) These valves will be full stroke exercised on a cold shutdown frequency.

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VALVE PFTM PEQUEST 1

, NUMBER: V-45 SYSTEM: Atmiliary Feedwater

, VALVE: AEW-15, AEW-18, AEW-314 j DRAWING NO.: FM-12A/73A CATEGORY: C

, SAFEIY CIASS: 3

, FUICI'ICN: Aux. Feedwater Putp Discharge Checks 1

EXDIPT TEST: Q

' BASIS EVR FFTM: These valves cannot be exercised during power coeration since the only flow path is into the steam generators 3

and the cold water would cause thermal transients on the steam generator feedwater nozzles and ultimate failure.

ALTEPMC'E TEST: (CS) '1hese valves will be full stroke exercised on a -

cold shutdown frequency. ,

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VALVE PELIEP REQTST i

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< NUMBER: V-46 SYSTEM: Primary Ccmponent Cooling l' VALVE: PCC-M-150 DFAWING NO.: EM-34B/948 CATEGDRY: B I CLASS: 3 FUNCTICN: Inlet to Letdcwn Heat Exchanger EXEMPT TEST: Q I BASIS FOR RFTJFF: This valve cannot be exercised during power operation,-

since this would regtu.re securing the pri:rary systan letdown flow, which would result in a loss of pres-surizer level control and also adversely effect the suction head for the charging punps.

ALTERNATE TEST: (CS) This valve will be full stroke exercised during cold shutdcun conditions.

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2GER: V-47

' STEM: Steam Generator Feedaater (LVE: FW-F-107, N-F-207, W-F-307 (ANING NO.: FM-12A/72A CEGORY: B WETY CLASS: 2

'21CIICN: Fee 67ater Flow Control Valves XEFST TEST: O 9

ASIS FOR PEI2 F:

These valves cannot be full stroke exercised during

• power operation since feed flow to the given steam generator would be secured causing a loss of water level which could result in a reactor trip.

on (CS)

'Ihese valves modulate during nor:nal operation LTERWIE TEST:

and will be full stroke exercised on a cold shutche i i

frequency.

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VALVE FETTFT PECCEST j.

i NCEBER: V-49 .

l SYSTEM: Primary Cceponent Cooling VALVE: PCC-M-219 DRANE'G NO. : FM-34C/94C CAMRY: A SAFEIY CUSS: 3

.s FUNC1'ICH: Cooling Water Supply to Peactor Coolant Purps EXEMPT TEST: Q BASIS FOR RELIEF: This valve cannot be exercised during power operation, since closing this valve would isolate the cooling water supply to the reacter coolant purps, v.hich is requ.tred during powr cperation.

ALTFRATE TEST: (CS) This valve will be full stroke exercised during cold shutdcwn conditions providing the RCP's are secured. In the event the FCP's are in operation during a cold shutde m , this valve will be full stroke e:mrcised during the following refueling outage.

3 I

h

h VALVE RELIEF PEQUEST NUMBER: V-50  ;

SYSTEM: FCS Charging i VALVE: G-10, G-19, CH-26 DRAWING NO.: FM-31B/91B CATEGORY: C i SAETIY CLASS: 2 FUNCTICN: Charging Pump Discharge Check Valves f

EXEMPP TEST: Q MSIS FOR FFTM: Full flow is required to open these valveu full stroke and the cha ging system operates at a reduced flow

> rate. Increasing the flow enough to fully open these '

valves could cause the RCS to go solid, resulting in i overpressurization.

ALTEFNATE TEST: (Op, R) These valves will be part stroked during monthly charging puup perfomance timts, and full stroked during refueling by a high pressure safety injection q system ficw test.

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NCMBER: V-54 SYSTD1: Nitrogen Gas Piping i

i VALVE: N-29 DBAWING NO.: FM-29A/89A CATEGORY: A/C SAFETY CIASS: 2-l t

FUNCTION: Penetration #44, Inner Isolation' Check i,

EXEMPT TEST: Q i

i EASIS FCR PrTH'P: The isolation function of this valve in verified on a refueling interval by a system leak test. This is the only trethcd we have to verify its closedI rsition i

and there is no safety requirenent for ope s.g this valve. Therefore, this valve should be exert from quarterly stroke testing.

ALTERNATE TEST: LT

VALVE FELIEF REQUEST N WBER: V-57 '

1

'I SYSTEM: Prifrary Ccrponent Cooling VALVE: PCC-M-90, PCC-M-150 DP/ MING NO.: FM-34.B/94B CATECDRY: B f SAFEIY CLASS: 3 FWCTICN: Inlets to Prireary System Heat Exchangers EXDWT TEST: O l

BASIS EUR RF1IIF: Closire dese valves during nornal plant operation would clue overheating, and possible failure, of primary plar t equipt.  ;

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L'TRC Dt.C TI G h All nuclear safety class pu:ps, that are required to safely shutdan l I the plant or to mitigate the consecuences cf an accident, are identified in this secticat. These pumps will be tested in accordance with Secticn XI of the ASME Code, suh.icn IWP, as arrended to the

, sunner of 1975. Ce/iations frcra these test rs>itirenents have been reviced and noted in the relief requests at tne erri of this sociten.

l' In accordance with paragraph (g) (5) of 10 GR 50.55a Maine Yankee Atcraic Pcer Ccrpany reserves the right to alter the testing

requiremnts for ptrps should it be fcund that these requirements be irpractical. The alteraticns will receive the sarae review and approval as the prc p n itself. ,

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I i PGP FMM REGLTST NL M : P-1 SYSTEM: Irw Pressure Safety Injection

, t i , POT: P-12A, P-12B  ;

CIASS: 2-TEST RE3JIPJ N irs: Measure vibration and puup_ bearing temperature. '

1 I BASIS FOR REIZEF: To measure vibration and bearing temperatures of the  ;

IPSI pumps would require disassembly of these ptmps.

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ALTDMTE TESTING: The vibration and bearing temperattres shall be measured

at the ' lower motor bearing and at the upper pung packing.

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l PLEP PFTTP RECLTSr i

, SU92R: P-2

' i SYSHM: Contaiment Spray 4

.i PLEP: P-61A, P-61B, P-615 i i

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I TEST REQUIRD O : Meast:re vibration and ptz:p bearing taperature.  !

t BISIS FOR FFTTW: To reast:re vibration and bearing temperatt:res of the ,

containrunt spray pings would re.p: ire disassarbly of these ptrps.

I ALTERNATE TESTEG: The vibration and bearing tcWatures shall be :neast: red i at the lower mter bearing and at the t:pper ptcp packing. ;

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e l Pt2G RELIEF PECCEST NLMBER: P-3 SYSTH4: Service Water Pt2 9 : P-29A, P-293, P-29C, P-29D CIASS: 3 TEST B2TIRC7r: Measure vibraticn, ptmp beariM tarperature, and t

differential pressure.

BASIS FCR PZLIEF: The service rater punp bearings are iraccessible, as these are physically stimrged under wate. Total pimp head is alcut 35 psig and ner:ral fitrtuations in pressure are 2 psig er nere. These ncrral readings frequently exceed the AS:E code 1. tid.ts. 3erefore, we request relief frcra the ccde limits for differential pressure, and we will meet the reqdrcrents for alternate testing listed below.

ALTE* M TESTr U: Ptr.p vibration and hearing trptures chall be neasured at the lower ncter bearim and at the upper p'rp packing.

ALTE? lata PA'GES FCR Da:eIITlL PRESSUPI Alert Pance Recuired Action Pance AP < 0.91 x Fr AP < 0.S8 Pr a P > 1.04 x Pr o P > 1.05 Pr

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