05000220/LER-1979-022-01, /01T-0:on 790918,noted Failure to Install Seismic Constraint on Containment Spray Sys Outside Primary Containment Per Const Drawings.Initiated Design & Order to Install Constraint.Containment Spray Loop Inoperable

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/01T-0:on 790918,noted Failure to Install Seismic Constraint on Containment Spray Sys Outside Primary Containment Per Const Drawings.Initiated Design & Order to Install Constraint.Containment Spray Loop Inoperable
ML18037A204
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 10/01/1979
From: Sun L
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053B075 List:
References
LER-79-022-01T, LER-79-22-1T, NUDOCS 7910100384
Download: ML18037A204 (2)


LER-1979-022, /01T-0:on 790918,noted Failure to Install Seismic Constraint on Containment Spray Sys Outside Primary Containment Per Const Drawings.Initiated Design & Order to Install Constraint.Containment Spray Loop Inoperable
Event date:
Report date:
2201979022R01 - NRC Website

text

NHC I-UHh'I 82322 (7 77) <

LICENSEE EVENT REPORT v. o. 14svvt cssss sscvvs.ss 2 vss 2 vvw><vsssssvss

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8 CON'T

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8 CONTROL BLOCK:

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Y N

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9 UCENSEE CODE (PLEASE PRINT OR TYPE ALLREQUIRED INFORMATION) 6 1

Q20 0

0 0

0 0

0 0

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1 1

1 1 Q4~Qs 14 15 25 26 LICENSE TYPE 30 57 CAT 58 0

5 0

0 0

2 2 0Q70 91 8

7 9Qs.+1(o 0'1 7

Q DOCKET NUMBER 68 69 F VENT DATE 74 75 REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q1O Found one seismic constraint on containment spray system outside

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~O the primary containment was not installed as required by construction drawings.

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8 80 SYSTEM

CAUSE

CAUSE COMP. VALVE CODE CODE SUBCODE CON1PONENT CODE SUBCOOE SUBCODE

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0 Q2 UFQl3 X

X X

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X Q4 UZQl; UZQis 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER,RO EVENT YEAR REPORT NO.

CODE TYPE NO.

Q."'."":

LZ LRJ U

L0JZUz U~

M~X U> 'J LOJ 21 22 23 24 26 27 28 29 30 31 32 ACTION. FUTURE EFFECT SHUTDOWN ATTACHMENT NPAD 4 PRIME COMP.

COMPONENT TAKEN ACTIOiV ON PLANT METHOD IIOURS Q22 SUBMITTED FORM SUB.

SUPPLIER MANUFACTURER UAQls UA Qls UZQ20 UZ Q2 0

0 0

0 UY Q23 UNQ24 UX Qss Z

9 9

9 Qss 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 Hot installed at construction.

Initiated design and order to install 1

3 constraint.

Declared applicable containment spray loop inoperable.

Performing redundant loop operability test as required by technical specifications.

80 DISCOVERY DESCRIPTION Q32 Anchor Bolt In ection METHOD OF DISCOVERY

~CQ3) 80 45 46 LOCATIONOF RELEASE Q 80 45 80 80

~9~0> 06 NRC USE ONLY 68 69 80 o

(315)343-2110 X1506 PHONE:

L.S.

Sun NAME OF PREPARER

~l4 8

9 FACILITY STATUS

% POWER OTHER STATUS Q CK E

Qss ~09 4

Q20 NA 7

8 9

10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ ZZ ~Z Q33

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8 9

10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q3B

~00 0

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Qss NA 7

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I I 12 13 PERSONNEL INJURIES NUMBER OESCAIPTIONQ41 EKI ~00 BQ 7

8 9

11 12 LOSS OF OA DAMAGETO FACILITYQ TYPE

DESCRIPTION

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~ZQ2 NA 8

9 10 PUBLICITY ISSUED DESCRIPTION ~B L~JQ44 w

8 9

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NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARDWEST, SYRACUSE. N.Y. 13202/TELEPHONE (315) 474-1511 October/L 1,

1979 h(IL. Boyce, H.

Gtu'.e/L NAec to/L Ui~ed Skate/s Muclea/L Regulato/zy Cori/saigon Regin 7

631 Pa/ck Avenue King o) PtuL56~,

PA.

19406 RE:

Oocket Mo. 50-220 LER 79-022/T-O Pea/L h4,.

Gru'.e/L:

On Sepfeznbe/L 18,

1979, dwu'ng 4he coIdL/se of We cutrrce< pipLng system exanunation pe/L MRC I.E. BuLL~z 79-14, Lt uIas dkscove/Led Chat one.

(1) s~nzic con/s~nt, 80-$ C-28, on one (1) og )ou/L (4) Containment Sprzay P~p~zg

Syakems, had noC been ~ee~ed du/ung plant comWuction.

The e((e&ed loop uIas ~ectiately decla/Led ~nope/zable, She app/zo~

/Ledundanf:

component au/LveiXCance uas pe/L)o/zmed, and a z0ojLk olde/z, ups mbued fo/L tIabtu'.cation and x>ukx&ation otI Che /zesWaLnt.

On Sepfembe/L 19,

1979, Che CoIIIII~sdmn. upas wz(oruned o) Xke eve< by Xelecopy message, and z0orck on Che

/Les~at had commenced.

A rcev~ezv ol1 data,

$/rom MRC l.E. BuLL~n 79-02 /Les~nt ~pelion o(

CkQ p~p~zg ay6Cem /revealed Chat She subject comment had been need on 4ze p~p~g momettu.c ~su pection aheM uzith a. "circle", hozoeve/L, un'ok kRntiped.on Che d/zazcing by She ~pection Seam uzith Che zoo/zd "mQaLng".

Sub/sequentLy, ~ 4he /Lev~ezv o(~ data

)o/L 79-02 pu/Lpoae/s, ~ depciency gas ~nadve/LtentLy mkeaed.

On Sepkeznbe/L 20,

1979, an Engineetung EvaLuation zan pe/L(o/zmed.

lk un'eteunined Chat Che p~p~ng system materual aWengths zvould urkthsWnd We design basw a~IIzic event /Wuae/ I~out 80-SC-28 heisIIzic constraint beLng ~nskaLLed.

Howeve/L, ~n5MLLation o( She consent'Ias prolog/Le/shag ae scheduled, and

<vo/Lk z0as completed on Septembe/L 21, 1979.

Ve/Ly ~y yoo/Ls, R.R. Schnei,de/L V~ce Prce5~dez<-

ELecttu.c Production nItIn