ML20090D658

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Preliminary AO-50-219/75-14:on 750529,during Surveillance Test of Containment Spray Pump Operability,Essential Svc Water Pump 1-2 Failed to Develop Sufficient Discharge Pressure.Caused by Dirt in Check Valve V-3-68.Valve Cleaned
ML20090D658
Person / Time
Site: Oyster Creek
Issue date: 05/30/1975
From: Carroll J
JERSEY CENTRAL POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
AO-50-219-75-14, NUDOCS 8303020250
Download: ML20090D658 (3)


Text

. __.

hL fo To:-

Jar.cs P. O'!teil2y Directorate of T.cgulatory Operations Region I.

631 Park Avenuo King of Prussia, Pennsylvania 19406

(

Fro:a:

Jersey Central Pcuer G Light Corpany O/ ster Creek Suelcar Generatin;; Station Docket 650-219 Forked River, New Jersey OS731 i

l Subj ect :

  1. >nor. mal Occurrence Report No. 50-219/74/ 14 The'follouing is a prellidnary report being subritted in cotepliance with the Technical Specification.4 3

.I i

paragrnph 6.6.2.

a Prcliminary Approval:

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i

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Akht kY.S!?n/75_

/,4. T. Carroll, Jr./.

Date cc:.11r.

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lal Tc1cphene c

Dato cf rt"Dsto:

0" ij Occurronc0:

5/2?/75 t

ial Uritten Tine of rt D2te:

5/20/75 Occurrence:

1023 8

OYSTE't CREEK.'2L' CLEAR GENET'ATI!!G STATIO:I FC2KED RIVEN, NEtt JEL35Y 03731 Abnorr.a1 Occurrence Report No. 50-219/75/14 i

"IFICATIC:s Failure of one of the Utergency Servico ifator Perps to Ovelop

CU2:E?:CE:

adequelto dischcrge pressure during the conthly surveillanco testing of Centainr ent Spray Punp Operability.

This event is considered to be an Abnornal Occt:rrence an defincd in the Technical Specifientions, paragrcph 1.1SD.

TIC.' S PnIOR CU::J.2?:CE:

Steady St0tc Power Rotttine Shutdown 1:00 StrrQy Opcration Cold S:nn:dcyn X

Lcod Chr ac,cs Durin-

~Eentolin-Shutdown

!uenino Pcuer Op;raticn Imtire Senrtup Cthur (S;.ccify)

Cp.cTution The najor pl:nt parcrcters at the tina of the event wro cr.

follo:.s :

Poucr:

Coro 1212 Mit Electric 35'O !:fo -

Flo<:

Rocire. 0. G X 7>0'* t'p:2 Fced. 4.S X 10' lb/ite Staci Oc.9:

4,300 uci/ cec ~

PTIC'I OF On T.wr:d;y, !'ny 20, 197F. rce c.ppro:: irately 1050, tQile p ;rfo:rina 25C:' :

rc:utino Ccntnin ant Sprry h?.,, 0;: Ore'aility St.rveillE_nca T tir :,

E; crc:.ncy Service L'O.ter :

- -Ja 1-2 Cc.iled te develop suffics.ca: Cir presuv20 Le procedura calls for testing Ccntadre.cnt '; rcy Pr p 51-l. cad Ener<:;ncy Streice it.: tor ht:n 3-1 first :d th ct 5 nu.nf.

ten:n1 c.f Q atal;- nac :.::E n v l't, SI-l', cnd D=r. :ncy Sr cice Ucu Purp 1-2.

'rne pt : p dicc? Trgo prcr.nre i'ren Et"! Purp I-! U.;c 107 pn ( ;, with ru r.;.* pra. Luce of 6',

ps5 ". ct the dicchyr:

J 0 c t!a: C

3

12. 50-219/15/14 Paga 2 3

J J

cent Sprr.y Heat Exchangers.

'&.e pu p discharge pressure for ESU Purp 1-2 was 50 psig with an ESli pressure 'of 20 psig at the-discharga f.cca the heat exchangers.

lihile ESW Pu=p 1-2 was running ESU Pug 1-1 was noticed to be turning in the opposite direction to its regular rotation.

4

  • CAUSE Decim Procedure RENCE:

Mr.uf..cturc Unusual Service Condition Incia110 tion /

Inc.- Environnental Con: tructica X

Cormonent Failure Operator Other (Specify)'

Failure of check valvo V-3-63 (at the discharge of ESN Pun,) 1-1) to seat is the suspected cause of the abnoraal occur:cnco.

Sinco the Ceatainnent Spray Systen is a redundent system ar.d

'EUCE:

full ccpacity cooling is available through the other systca, the only safety cignificance of this event is th~ loss of ESil pu=p redundency in one Contcincent Spray loop.

E liCTIC:::

Initial corrective actica vill be to disassonblo V-3-68, inspect

~

and repair.

iTA:

thnic valvo dr.ta cro as follows:

Mr.ufccturer:

Missica Valve end Purp Co pany i

Tyr.c :

Spnna Leaded Duo - Chech Size:

10 in6 Rating:

2507 i

r,C

~

~

by: %. S neb '.. 54 bm Date:

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