05000220/LER-1978-035, Forwards LER 78-035/01T-0

Forwards LER 78-035/01T-0

ML17053A219
Person / Time
Site:	Nine Mile Point
Issue date:	11/02/1978
From:	Schneider R NIAGARA MOHAWK POWER CORP.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML17053A221	List: 05000220/LER-1978-035, Forwards LER 78-035/01T-0 05000220/LER-1978-035-01, /01T-0 on 781020:all Main Steam High Flow Pressure Indicating Instr Were Found W/Setpoints Less than Tech Specs.Heise 0-200 PSIG Test Gauge Calibrated & Used in Test Had Loose Screw & Was Recalibrated
References
NUDOCS 7811090271
Download: ML17053A219 (6)

LER-1978-035, Forwards LER 78-035/01T-0

Event date:
Report date:
2201978035R00 - NRC Website

text

rt'~+

REGULATORY FORMATION DXSTRXBUTXON TEM DOCKET NBR: 50 22p NINE M LE PT 1

RECXPIENT:

IER B.H DOC DATE:

781102 ACCESSION NBR: 7811p9p2 1

COPXES RECEIVED:

LTR 1

ENCL 1

ORIGINATOR:

HNEXDER COMPANY NAME: NIAGARA MOHAWK PWR

SUBJECT:

~

SIZE-1+4 LER478-035/01T<<O on 781020:all main steam hi h. flow xessure i;ndJc tin instr were found w set oints less than Tech 'S ecs, Herse "0&00 PSXG test ua e calibrated s used in test had loose screw s was recaliibrated, DI SQRISUTION CODE t

$ 002 DISTRIBUTION TITLEt.

INCIDENT REPORTS NOTARIZED ENCL?

BR F

W/a ENCL W/ENCL C

&DR W/ENCL I

8 H/2 ENCL MIPC W/3 ENCL I

8 C

SYSTEMS BR W/FNCL

, NOVAK/CHEC<

W/ENCL

EEB W/ENCL t AD FOR ENG W/ENCL PLANT SYSTEMS BR W/ENCL HANAUFR W/ENCL AD FORPLANT.SYSTEMS W/ENCL AD FDR SYS 8

PROJ W/ENCL REACTOR SAFETY BR W/ENCL ENGINEERING BR W/ENCL KREGER/J, COLLINS W/ENCL POWER SYS

.BR W/ENCL E. Jordan W/ENCL LPDR W/ENCL NSIC W/ENCL

" ACRS W/t6 ENCL TOTAL NUMBER OF COPIES REQUIREDt LTR ENCL FOR ACTION ORB03 BC go) 74,. 1%a NOTES: HEAD TO HEAD

T 1

NMP-1064 NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARDWEST, SYRACUSE, N.Y. 13202/TELEPHONE (315) 474-1511 November. 2, 1978 A,. Boyee H. G/Lie/L NJLecto/L Unacted S~ee hfueLea/L ReguLato/Ly Comm@ amn Region 7

631 Pa/ck Avenue, King of Purana, PA.

19406 RE:

Socket hlo. 50-220 LER 78-035/01T-0 h

1 7n acco/cdance with Nne h4Le Point hlueLea/L S~on 0+0'ill TechnicaL Spmipeatimv.,

uIe he/Leby aubnkt Licensee Event Repo&,

LER 78-95, which m in v~Lation o$ Section 9.6.2b of Che Tech'.eaL Speci P.cation'.

TkQ /Lepo/Lt ulnae compLeted in Che (o/Imat designated in hlUREG-0161, dated JuLy 1977.

Since/ceLy, Original signed by R.R. Schneider R.R. Schneide/L t/ice Paae&ent-ELect/1ie Production Attachments (3 copiu) xc:

Omecto/L, 0)pce o( 78E (40 copie5)

Mcecto/L, 0(pce o( h(7PC (9 copiu)

I7.77)

CONTROL BLOCK:

I N

Y N

M P

[OD1]

CON'T 7

8 9

LICENSEE CODE 1O20 0

14 15 LICENSEE EVENT R EPORT Q

1

{PLEASE PRINT YPE ALLREQUIRED INFORMATION) 6 0

0 0

0 0

0 0 Q24 1

1 1

1 05~05 LICENSE NUMBER 25 26 LICENSE TYPE 30 57 CAT 58 7

8

~oz 8Q81 1

0 1

7 8

QB 74 75 REPORT DATE 80 eight main steam high flow pressure indicating instruments with set-QBO 5

0 0

0 2

2 OQ7 1

0 2

0 60 61 DOCKET NUMBER 68 69 EVENT DATE EVENT DESCRIPTION AND PROBABLE CONSEQUENCES QIO Durin stead state o eration, erformance of Nl-ISP-RE22 found all 4

points less conservative than T.S. 3.6.2b Subsequent investi a'tion,

~os

~OB recalibration, and retesting indicated that only three instruments were less conservative and that test au e was inaccurate since nre-vious cal.

on 10-10-78.

Condition has minimal safety implications.

~OB 7

8 7

8 0

Other instrumentation would initiate same response.

80 9

SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SUBCODE COMPONENT CODE SUBCODE SUBCODE

~CC Q11 E

Q12

~EQ13 I

N 5

T R

U QE

~XQ15

~Z 016 9

10 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LERIRO EVENT YEAR REPORT NO.

CODE TYPE NO.

017 REPoRT ~25 U

L0035 Qr

~01 QT U

Lot 21 22 23 24 26 27 28 29 30 31 32 ACTION. FUTURE EFFECT SHUTDOWN ATTACHMENT NPRDP PRIME COMP.

COMPONENT TAKEN ACTION ON PLANT METHOD HOURS 022 SUBMITTED FORM SVB.

SUPPLIER MANUFACTURER QIB ~GO)9

~ZO20 HO2'023

~NO24

~Ozs H

1 Ozs 33 34 35 36 37 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS Q2I A Heise 0-200 PSIG test gauge was calibrated and used in the surveil-4 lane'e tests.

Subsequently, it was found to have a loose screw inter-nally, and recalibrated.

RE22s were retested and all were readjusted.

Procedure

changed, establishing setpoint guide value of 100 PSID +/-2; PSID.

LBJQ>>

s E

Qss

~09 2

Q26 NA 7

8 9

10 12 13 44 ACTIVITY CONTENT RELEASED OF RELEASE AMOUNTOF ACTIVITYQ

~l6

~2 P>>

2 Q24 NA 7

8 9

10 11 44 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION OSB 7 ~00 0

QET Z

Qss NA 7

8 9

11 12 13 PERSONNEL INJURIES 7

8 9

11 12 LOSS OF OR DAMAGETO FACILITYQ43 TYPE

DESCRIPTION

B N

Q42 NA 8

9 10 PUBLICITY 7

8 9

10 45 46 NA 45

'7 8 1 'I 0 9 0

/1'ennis K. MacIjtittie NAME OF PREPARER 7

8 9

FACILITY

~30 METHOD OF STATUS 55 POWER OTHER STATUS Q DISCOVERY LOCATION OF RELEASE Q 80 80 80 80 80 80 NRC USE ONLY 68 69 <<0-139 80 Fr 0L0 DISCOVERY DESCRIPTION Survei1 lance Test

NIAGARAMOHAWKPOWER CORPORATION/300 ERIE BOULEVARDWEST, SYRACUSE, N.Y. 13202/TELEPHONE (315) 474-1511 Novembe/L 1, 1978

~. Boyce H. G~e/1.

Mn,ecto/L United S~es NucLeo/L ReguLatoay CommLw~on Region I 631 Parck Avenue N,ng o( Ptcussm, PA.

19406 RE:

'Oocket No.

50-220 LER 78-035/01T-O Nme IKLe Pet NucLean, S~on Unit <1 8~ hh,.

Gru.en,:

8uning steady a~e ope/ation, pe/L)ordnance o) Nl-ISP-RE22 (ound aLL eight prcesame ~nNcating a~ches IoMh a&points Less conse/1vative Chan

+Mowed bg TechIM'caL Spec4gcation 3.6.2b.

Thee speci +~on aequutes a aetpo~ o) Less Chan o/1. equaL Co 105 pate +/-1 ps&.

The. hku,n Steam Line. H~h FLow aetpokns uIwe found and Le(4 at We

)oLLoeurg vaLues on Octobe/1. 20, 1978:

- Insolent

~Pd t

Let

(

~dj RE22A RE228 RE22C RE22'0 RE22E RE22F RE226 RE22H 107.0 107. 0 106. 5 108. 0 106.2 108. 5 108. 5 107. 5 104. 5 105. 0 105. 0 105. 0 105. 0 104. 5 104. 5 105. 0 A eever of Che RE22 Su/LveLMance Test /deco/1ds ~n&cated ~ a cpu.$4 as Large as found ~n~ ~nsWnce uIas ~e fo/L one ~jument, and had nevm occ~ed on aLL eight.

In adcKtion, Che HeLee 0-200 pa~g Zest gauge 10as caEL b/1ated on Octobe/L 10, 1978 and (ound Co have, been ~n e/1/co/L.

As a p/1ec~n, &e H~e gauge, uIas zecaDb/1ated, and Che am-veiLLance CesC /I.epeated on 0&obe/1. 27, 1798.

The RE22'6 Nerve found at Che /olloeing aetpoi~:

Found

( aid)

RE22A RE228 RE22C RE220 RE22E RE22F RE22G RE22H 109. 0 109. 5 109. 5 103. 0 109. 0 103. 5 103. 0 109. 5 V~ng Che one, (reek b~een CuW, M m kcghly ueLRely Chat all

~e~

twould again have cpu.(ked an average o$ 1.5 paid (Whee ~e a mob,e conservative %Rection).

Tlute apparent change, ~n 6&point'L6 being ~bMed Co a loose aecev found intercnaMy dkuu.ng She Scud caL-ib~on.

%fuming Chat CheinMial eve em cawed by a tut gauge, ceading 1.5 prig Sigh, Che comected "found" and 'le)4" value Joe We 0&obm 20, 1978 '4uA me ae (olloes:

RE22A RE228 RE22C RE2 217 RE22E RE22F RE22G RE22H CoM,ected

~Fd t

'dt 105. 5 105. 5 105. 0 106. 5>>

104.7 107.0" 107.0*

106.0 CoMect'ed Le 4

( aid) 103. 0 103. 5 103. 5 103. 5 109. 5 103. 0 103. 0 103. 5 "Co~y Co Techie,cd Speci,+cation 9.6.2b The cpu'.$A noCed on Cfvcee im~e~

alee mme in Zine~ Mends MWbMshed ovn Ae Lask Zen montM.

Tk@ condition /A nu.mmal safety knpWeatioes be~e only one. oLt o$

$om i,me~~

mme ~pLn exch channel 4o an~ate WSIV closure, and Pve o4hm iruWume~ mould have functioned.

In Che eve 'Chat aK eight ~ne~mt (vere, in (act, lpga comm-vative, CRee oWw ~m~eet ayah~

(Lotv Cond~M Vacuum, Main Steam Line H~gh Ra~on, and Wain Steam Line High Temple) tvould have.

ed Che MSIV closure.

Pcocedurcu have, been changed Xo uWbMh a gLide vaQce o$

100 paid

+/-2 paid Joe She aetpoint when pn$ orcming Nl-ISP-RE22.

TkQ, eLLLp~

ine~ent cM$A o$ Che mageQ'+de exp',enced, tvLthoM degrading She hyhCem'4 JLchpoKhe.

VMy~y you/eh, Original Signed by R.R. Schneider R.R. Schneidetc Vice Pauident-Ele~c Production