05000220/LER-1982-017-03, /03L-0:on 821206,during Maint Outage,Leakage from Valves 68-06 & 68-09 Found Exceeding Tech Specs.Caused by Poor Seal Design.Mods Will Be Completed During Current Outage & Followed by Retest

From kanterella
(Redirected from ML20028C836)
Jump to navigation Jump to search
/03L-0:on 821206,during Maint Outage,Leakage from Valves 68-06 & 68-09 Found Exceeding Tech Specs.Caused by Poor Seal Design.Mods Will Be Completed During Current Outage & Followed by Retest
ML20028C836
Person / Time
Site: Nine Mile Point Constellation icon.png
Issue date: 01/05/1983
From: Burgmeier M
NIAGARA MOHAWK POWER CORP.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20028C833 List:
References
LER-82-017-03L, LER-82-17-3L, NUDOCS 8301140199
Download: ML20028C836 (1)


LER-1982-017, /03L-0:on 821206,during Maint Outage,Leakage from Valves 68-06 & 68-09 Found Exceeding Tech Specs.Caused by Poor Seal Design.Mods Will Be Completed During Current Outage & Followed by Retest
Event date:
Report date:
2201982017R03 - NRC Website

text

3 LICENSEE EVENT REPORT 1

iCONTFIOL BLOCK: l l

l

- l l

l j (PLEASE PRINY CR TYPE ALL REIUIRED INFORMATION)

- j l

6 IN lY lN lM lP l1 lg 0l0l-l0l0l0j0l0l-l0l0lg 4l1l1l1l1lgl l

lg o i 7

8 18 LICENSEE CODE '

34 15 LICENSE NUMOER 25 26 LICENSE TYPE J0 57 CAT 68 CON'T -

N %l 0l 5 l 0l 0 l 0 l 2 l 2 l 0 @l 1 l 2 l 0 l6 l 8 l 2 @l0 l1 l0 l 5 l 8 l3 l@

O i 7

8 80 68 DOCKET NUMSER 68 69 EVENT DATE 74 75 REPORT DAT E 80 i

EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o 2 l Durino a maior maintenance outage while performing leakage testing, leakage from l

o 3 l valves 68-0'6 and 68-09 were found to exceed Technical Specifications. These two l

l' valves are tested simultaneously.

LERs 79-05, 79-10, 81-09, 81-22, 81-23 and 82-18 l

n 4 [BT 1 I reported similar occurrences.

I

^

0 6 l l

l0 l7l l l

]mi I

SYSTEM

CAUSE

CAUSE COMP.

VALVE CODE CODE SU8 CODE COMPONENT CODE SUSC DE SUS ODE lSlAl@ ] @ ] @ lVlAlLlVgElXlg g. g g O g 7

8 9

to 11 12 13 18 19 20 SEQUENTIAL OCCURRENCE REPORT REVISION LER EVENT YEAR REPORT NO.

CODE TYPE N

O agg/Ro I 8l 2l 8

l 0l1l 7l y

l0 l3 l W

g U

g u

_ 21 22 23 24 26 27 N

M 30 31 J2 KN AC N

PL NT ME HOURS S8 i D

FOR B.

SU L MAN FACTURER Ml Bjh Wh

[ Z_}h l 0 l 0 l 0 l 0 l gg Wg lX l@

l A l1 l8 l0-l@

33 34 35 3

31 40 41 42 43 44 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l Failure is attributed to poor seal design.

A modification from the vendors (Attwood l

)

i O land hforril for valve 68-06, Allis Chalmers for valve 68-09) is availabic.

Modificationi i i l of these valves will be completed during the current outage and followed by a retest.

I i 2 i 3 l l

t 4 l

l 7

s 9 80

'SYAN[S

% POWER OTHER STATUS dis O Y

DISCOVERY DESCRIPTION [Gj@ l 0 l 0 l 0 l@l NA l

] gl Test Results l

i s

  • lTiviTv CMTENT s

F.ELEASED OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE

i l6 l LZj @ [Z_jgl NA l

l NA l

PERSONNEL EXPOS ES NUM8ER TYPE

DESCRIPTION

g l 0 l 0 l0 j@]@l NA l

PERSONNEL',,uunS oESCRiPTiON@

NU ER

] l 0 l 0 l 0 lgl N4 l

57E

] y@[ NCk^PI1'""@

$$011$$Eo!$$0!o NA S

PDR l

P S 9 10 80 ISSUE SCRtPTION Qy NA l

llljlllllllllf r-e e iO se es s0,

NAME OF PREPARER bl. Burgmeier (315) 349-2616

{

PHONE: