ML17053A239

LER#78-038/03L-0 on 781025:review of N1-ISP-RE22 Test Results Found 12 Instances Where Procedure Was Violated. Caused by Carelessness in Procedure Implementation. Re-instruction & Closer Supervision Instituted

ML17053A239
Person / Time
Site:	Nine Mile Point
Issue date:	11/14/1978
From:	Macvittie D NIAGARA MOHAWK POWER CORP.
To:
Shared Package
ML17053A238	List: ML17053A237 ML17053A239 ML20062D282 ML20062D284
References
LER-78-038-03L, LER-78-38-3L, NUDOCS 7811210287
Download: ML17053A239 (2)

Text

CONTROL BLOCK: QI (PLEASE PRINT OR TY L REQUIRED INFORMATION) 6

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~ N. Y N LICENSEE CODE N P 1 14 Qo 15 0 0 - 0 0 0 0 LICENSE NUAIBER 0 - 0 0 25 Qo 26 4 1 1 LICENSE TYPE 1 1 30 Qs~Qs 57 CAT 58 CON'T

~OI " " 0 5 0 0 0 2 2 0 0 2 5 7 8 QB1 1 1 4 7 8 QB

~LQB Q7 1 74 75 REPORT DATE 8 60 61 DOCKET NUMBER 68 69 EVENT DATE EVENT OESCRIPTION ANO PROBABLE CONSEQUENCES QIO During normal operations, a management review of Nl-ISP-RE22 Surveil-1 ance test'esul ts found 1 2 instances where procedure was viol ated.

The wrong test gauge was used on 5/5/78 to test al 1 8 swi tches,'n 6/2 6 to test three swi tches and on 7/28 to test one swi tch ~ Record revi ew 6 of setpoints found immedi ately pr i or to, and subsequent to the events, do not indicate that the instruments dri fted more than al lowed by T~ S ~

6 3 ~ 6 ~ 2b ~ Thi s event has minimal safety impl i cations ~

80 7 8 9 SYSTEM CAUSE CAUSE COMP. VALVE CODE CODE SUBCOOE COMPONENT CODE SUBCODE SUBCODE

~CC Q>> ~AQio ~CQlo Z Z Z Z Z Z 18 Qls ~ZQis 19 20 Z Qis 7 8 9 10 11 12 13 SEQUENTIAL OCCURRENCE REPORT REVISION Q>>

LERJRO Asposl EVENT YEAR M78 21 22 U23

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24 REPORT NO.

26 U~

27

~9 28 CODE 29 TYPE U"

30 31 LJ NO.

32 ATTACHMENT NPRDP PRIME COMP. COMPONENT

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ACTION . FUTURE EFFECT SHUTDOWN TAKEN ACTION ON PLANT METHOD HOURS Q22 SUBMITTED FORM SUB, SUPPLIER MANUFACTURER

~N Z 9 9 9 QIB ~QIB gJQ20 ~Q21 Q23 ~Q24 Q2S C26 33 34 35 36 37 40 41 42 43 44 47 CAUSE OESCRIPTION ANO CORRECTIVE ACTIONS +27 TS 3.6.2b requires an accuracy OF 1.0 psig. To accomplish this, proce-dure requires the use of a Heise. 0-200 psig test gauge with an accuracy of 0.2 psig. Events involved using Heise 0-1250 psig gauge with an ac-curacy of 1.25 psig. Carelessness in following procedure was corrected 3

by re-instruction and closer. supervision and review of tests.

7 8 9 80 FACILITY STATUS Io POWER OTHER STATUS Q METHOD OF DISCOVERY DISCOVERY DESCRIPTION Q32 5 E Qos ~09 2 Qos NA 44

~B 45 Q31 46 Mana ement Review 80 7 8 9 10 12 13 ~

ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE QB 6 ~Z Q33 ~ZQ34 NA 80 7 8 9 10 11 44 45 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION Q30 7

8

~00 0 Qso Z Qos 13 NA 80 7 9 11 12 PERSONNEL INJURIES NUMBER DESCRIPTIONQ

~ls ~008 9 0 Qso 12 NA 80 7 11 LOSS OF OR DAMAGE TO FACILITY TYPE DESCRIPTION Q43 V8 Z 7. 8 X02.9 I -&

Z Q42 NA 7 8 9 10 80

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ISSUED

~tt PUBLICITY Q44 DESCRIPTION ~ NRC USE ONLY s

7 8 9 10 68 69 80 o D.K. MacVittie 315-343-2110 ext. 1394 0 NAME OF PREPARER PHONE s1

NHC I UHIVI 41212 V 4 I'IVI I I RRSR SII RSVI PR I VSI I VVI~ II~ IIAPIVIS I7 77 I LICENSEE EVENT REPOR J"

CONTROL BLOCK: Qi (PLEABE PRINT oR TYPE ALL REQUIRED INFORMATIQIII)

I 6 7 8 9 N Y N LICENSEE CODE M P 1 14 Q20 15 0 0 0 0 0 0 - 0 0 25 Q24 26 1 1 1 LICENSE TYPE 1

30 QI~QI 57 CAT 58 CON'T 7 8

,"'", ~LQ 60 61 o 0 0 0 DOCKET NUMBER 2 2 0 68 7

69 1 1 0 3 EVENT DATE 7 8 74 QBl 75 1 1 REPORT DATE 4 7 8 80 Q

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES Q10 During normal operation, performance of surveillance test Nl-ISP-RE02

~O3 found one Rx Lo-Lo water level switch with a trip setpoint of +2 inches

~O4 water. T.S. 3.6.2A requires a setpoint of greater than or eoual to 5.0

~os inches water. This condition had minimal safety implications. The re-

~OB dundant instrument was operable.

~OB BO 7 8 9 SYSTEM CAUSE CAUSE COMP. VAI VE CODE CODE SUBCODE COMPONENT CODE SUBCOOE SUBCDDE

~OS QII ~~'Os I N 3 T N 0 G4 ~~05 ~~ QII, 7 8 9 Io 'I1 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION QII LERIRO REPoRT EVENT YEAR

~78 ~ ~03 24 REPORT NO.

9 26

~m 27

~03 28 CODE 29 TYPE 30 31 NO.

32 I

21 22 23 ACTION . FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDX PRIME COMP. COMPONENT TAKEN ACTION ON PLANT MFTHOD HOURS +22 SUBMITTED FORM SUB. SUPPLIER MANUFACTURER

~ZQIB ~ZQ2O ~ZQ21 0 0 0 W N Q23 ~YQ24 ~NQ2s Y 0 1 0 Q26 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q27 o The chan e in tri set oint ex erienced on a Yarwa Model 4316 Level Switch was due to instrument drift. Set oint was reset to 6.0 inches water; Current surveillance test schedules are adequate to insure 3 early detection of future drifts.

4 7 8 9 80 FACILITY Q METHOD OF DISCOVERY DESCRIPTION 32

'A STATUS 91 POWER OTHER STATUS DISCOVERY 5 ~E Q29 ~09 2 Q29 NA ~BQ31 Survei 1 1 ance Testing 7 8 9 10 12 13 44 45 BO ACTIVITY CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY Q LOCATION OF RELEASE Q36 7

6 8

~Z 9

Q33

~ZQ34 10 PERSONNEL EXPOSURES 11 NA 44'5 ~

80 NUMBER TYPE DESCRIPTION Q39

~l7 ~00 0 Q2 2 2 Q2s NA 80 7 8 9 11 12 13 PERSONNEL INJURIES 7 8 9 11 12 80 LOSS OF OR OAP4'IAGE TO FACILITY TYPE DESCRIPTION Q43 9 Z Q42 NA 7 8 9 10 80 PUBLICITY NRC USE ONLY o

ISSUED

~NQ44 DESCRIPTION NA Q

9

'7 8 9 'Io 68 69 BO o D.K. MacVittie 315-343-2110 Ext. 1394 NAME OF PREPARER P PHONE: