ML19343B105
| ML19343B105 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 12/08/1975 |
| From: | Autio H, Janet Staub YANKEE ATOMIC ELECTRIC CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| RO-50-29-75-15, NUDOCS 8012040409 | |
| Download: ML19343B105 (4) | |
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7 YAllHEE ATODIC ELECTWC COUPAllY Rowe,Mossachusetts 01367
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- YAaxes December 8,1975
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Mr. J. P. O'Reilly, Di rector f y U. S. fluclear Regulatory Commission Office of Inspection and Enforcement Region I 631 Park Avenue King of Prussia, Pennsylvania 19405 1
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Subject:
Reportable Occurrence 50-29/75-15
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to Pass Surveillance Test
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- .,,c%t Failure of Hydraulic Shock Suppressors 9
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Dear Mr. O' Reilly-In accordance with: Technical Specifications, Section E.2.a, the attached Licensee Event Report is hereby submitted.
Very truly yours,
$h&h bf Herbert A. Autio Plant Superintendent l
1 JLS/jb Enclos ure (40) Director, Office of Inspection and Enforcement cc:
U.S. Nuclear Regulatory Commission l
l Washington, D. C. 20555 (3) Director, Office of Management Information & Program Control U.S. Nuclear Regulatory Commission Washington, D. C. 20555
b l_wENSEE EVENT REPORTg oa CONTROL BLCCK:(
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(PLEASE PRINT ALL REEUIRED INFORM AT!aN) 1 6
NAvg LCENSE NUMBEA E
TYPE
@ lM l A l y l K l R l.ll l0 l0 l-l0 l 0 l 0l 0l 0l-l0 l0 l l4l1l1l1l1l l0 l1 l 7 89 14 15 25 26 30 31 32 CATEGORY p
s DOCKET NUMBER EVENT OATE REPORT OATE
@ cont I I
I L1J L1J l0 l 5 l0 l-l 01012 l 91 11Il12l5l7[5]
11 1210 l817 l 51 7 6 57 58 SS 60 E1 68 69 74 75 Bo EVENT DESCR.: TION
@ l Durine routine surveillance testing of the hydraulic silock suppressors by the manu-l 7 SS 80
[cEl l facturer for orocer stroke, lock-up and bleed, a number of suppressors failed to meet l 7 se so
@ l the manufacturer's acceptance criteria.
This constitutes a violation of Technical l
7 2S B0
@ l Scecification, Section E.2.a.(9) and is, therefore, reported as Reportable Occurrence l 7 eS so 2 ific. 50-29/75-15.
I 7 6S Pave 80 cSE M S NuNA cc E cove sEnt COct votATos
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[YJ 7 8S 10 11 12 17 43 44 47 48 CAUSE DESCR.:T;cN g l Eight - 1 1/2 inch bore, 5 inch stroke, Grinnel, Figure 200, Hydraulic shock l
7 6S 80
@ l suncresscrs were tested by the manufacturer according to their procedure,07B011, on l
7 ES 80 110 l % muf=ctumr's test standard but _ failed to meet the acceptance criteria of the l
5
% COWER OTHER STATUS SbbEAY DISCOVERY C,ESCAiPTON y
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T1A l
lb.!
-l Routine surveillance testing l
7 E S
- O 12 13 44 45 46 Bo EE E ED 0
l ZlE E SE l AYOUNT OF ACTMTY LOCATION OF AELEASE lZ l NA l
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7 E S
10 11 44 45 80 FERSON'4EL EXPOSURES N.v5EA TveE CESCA ?TCN
[iii] l0 !3 l 0 l lZl l
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7 65 11 12 13 Bo PERSONNEL IN.'UR ES P.'.YIE A OESO:PT'CN 19 l0l010l l
NA l-7 85 11 12 80 oFFSTE CONSECUENCES lI]5] l NA l
7 6S co LCSS OR DAM"GE To FACIUTY T**E CESORAT: N il3 l
NA l
7 85 10 80 PUSLCITY 1
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7 BS 60 ADOT:3NAL FACTORS
@ l Cause Des:riation (cont'd): procedure in various ways.
The manufacturer replaced l
7 8S Bo 1s i all the sucoressors with other similiar suppressors. that had been successfully tested.
7 89 BC J. l.. Staub MMFM NAME:
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3 Y411/WE ATOUIC ELECTING COUPAllY
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YA x.h Rowe,Manudasetts 01367 as l
M Novent>er 25, 1975 i
h, y[] (7 U.S. Nuclear Regulatory Comnission Office of Inspection & Enforcement Region I O/
631 Park Avenue
)/i King of Prussia, Pennsylvania 19406 Attention:
Mr. J. P. O'Reilly
Dear Mr. O'Reiliy:
Pursuant to the requirecents of the Technical Specifications Section E.2.a.(9), the perfonnance of structures, systems, or codponents i
that requires renedial action or corrective reasures to prevent operation l
in a r.anner less conservative than assurned in the acddent analyses in the final hazard safety report or technical specifications, is reported as Reportable Occurrence _50-29/75-15,.
Hydraulic shock suppressors installed on the cressurizer safety valves and safety valve discharge lines and on the charging line were sent to the vendor for verification of pro:Her stroke, lock-up and bleed.
The snunbers failed to c1eet the acceptance criteria of the vendor's tes t procedure.
A formal 14 day Licensee Event Report will follow.
Very truly yours.
l YANKEE ATOMIC ELECTRIC COWANY f&&
Herbert A. Autio Plant Superintendent h%S/jb cc:
(2}
Director, Office of MIPC U.S. Nuclear Regulatory Comnission Washington, D. C. 20555 l~
P002 ORIGINAL
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idRC Dt"TI'.v,UTION FOR PART 50 DOCKE,T.M/' IRIAL k
(TEMPORARY FORM)
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CONTROL NO: / 3 2M i
' FILE: It:CIDENT REPORT F T ROIA: Yankee Ato::ite Elee Co DATE OF DOC DATE REC'D LTf?
TWX RPT OTHER Rowe, Mass H A Autio L2-8-75 12-11-75 Xn 5*.
ORIG CC OTHER SENT AEC PDR XX Mr o'Reilly none signed gg pg XX CLASS UNCLASS PROPINFO INPUT NO CYS REC'D DOCKET NO:
XXXXXXXXXXX 1.
50-29 DESCRIPTION:
ENCLOSURES:
Ltr trans the to11owing
.s. m s Liecnsec Event Report #75-15 on 11-25-75 OA' - "
concerning failure' of. hyaraunc~ shock'supC pressors to pass surveillance testing......
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PLANT N AME: Yankee Rowe FOR ACTION /INFORMATION 12-12-75 ehf BUTLER (L)
SCHWENCER (L) ZIEM ANN (L)
REG AN (E)
W/ Ccpics W/ Copics W/ Copies W/ Copics CLARK (L)
STOLZ (L)
DICKER (E)
LE AR (L)
W/ Coo!es W/ Copies W/ Cocies W/ Copies PAR R (L)
VASSALLO (L)
KNIGHTON (E)
SPELS W/ Copics W/ Copies W/ Copics W/ Copics KN!EL (L)
PURPLE (L)
YOUNGB LOOD (E)
EEID W/ Copics
/ Y#JCopies W/ Copics W/ Copics INTERNAL DISTRIBUTICil dFG FILE)
TECH REVIEt'!
DENTON LIC ASST A/T IND.
NHCPDH SC,HROEDER
% RIMES R. DIGGS (L)
BRAITIAAN
,,OG C. ROOT.* P-506A AAACCARY GAMMlLL H. GE ARIN (L)
SA LTZiA AN f
GOSSICK/ST AF F KNIGHT KASTNER E. GOULBOURNE (L)
MELTZ
,, CASE PAWLICKI BALLARD P. KREUTZER (E)
SHAO SPANG LER J. LEE (L)
PLANS BOYD
MCDONALD MOORE (L)
- fHOUSTON ENVIRO-S. REED (E)
CHAPMAN DEYOUNG (L)
- ,,.NOVAK MULLER M. SERVICE (L)
DUBE (Ltr)
SKOVHOLT (L)
ROSS DICKER f. SHEPPARD (L)
E. COUPE S
GOLLER (L) (Ltr)
< IPPO LITO KNIG HTON M. SLATER (E)
PETERSON P. CO LLINS s"TE DESCO YOUNG BLOOD H. SMITH (L)
HARTFIELD (2)
DENISE J. COLLIUS REGAN S. TEETS (L)
- KLECKER REG OPR LAIN AS PROJECT LDR G. WILLI AMS (E)
EISENHUT
./Fil E & REGION (2)
BENAROYA V. WILSON (L)
- WIGGINTON f.MIPC/PE-(3)
<VOLLMER HAR LESS R. INGRAM (L)
F. WILLI /2!S STEELE H. Din:CAN (E)
- HANM" EXTERNAL DISTRIGUTION
,1 - LOCAL POR O *w b < IN. O f 3 p1 - TIC (ABERNATHY) (1)(2)(10)- NATIONAL LABS 1 - PD R-SAN /LA/NY f l - NSIC (BUCHANAN) 1 - W. PENNINGTON, Rm E.201 GT 1 - BROOKHAVEN NAT LAB 1 - ASLB 1 - CONSU LTANTS 1 - G. U LRIKSON, ORN L 1 - Newton Anderson NEWMARK/GLUME/AGBABIAN 1 - AGMED (RUTH GUSSMAN)
,. 16 ACRS LE:;r To LIc f,ssr Rm B 127 GT,
a-* SEND ONLY TEN DAY REPORTS EA
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