ML19317G008

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AO-75-12:on 750827,excessive Leakage Found Through Inner Valve During Performance of Local Leak Rate Test on Reactor Bldg Purge Outlet Valve Penetration.Caused by Improperly Adjusted Valve Seats on 66-inch Valve.Seats Adjusted
ML19317G008
Person / Time
Site: Rancho Seco
Issue date: 09/25/1975
From: Colombo R, Eisenhuth F
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML19317F864 List:
References
NUDOCS 8002210707
Download: ML19317G008 (1)


Text

LICENSEE EVENT REPORT CONTROL DLOCK:l l

l l

l l

r LPLEASE PalNT ALL RErt tnED INFOnM ATION)

.5 FCENSEE LCENSE EVFNT s

1 NAME LCENSE NUMUER TYPE TYPE 3_jl cl Ala IS I S Ill I oi 01-10 lo lo l O l o l-l ol of 1411 11 11 11 l l011l 7 89 14 15 25 26 30 31 32 TIP R

DOCKET NUMBFR EVENT DATE REPORT DATE CATECORY O 1 CONT l M l Il lLl l 0l 5l 0l-l 0l3 l1 l 2 l l 0l 8l 2l 7l 7l5 l l 0 l 9 l 2 l 5l 7l 5l 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION DE l While performing the local leak rate test on the Reactor Building Purge Outlet Valve l 7 80 00

$ l Penetration.

excessive leakane was found through the inner valve. The outer valve l d 7 89 80

$ l was found to have an acceptable leak rate. the inner valve seats were adjusted to l

7 89 ao

@ l correct problem (AO-75-12).

l 7 89 80 EE I I

7 89 80 pguy SYSTEM CAUSE COMPONtNT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER MOLAToN Q lAl Al J lV l A lL l Vl El Xl lA l l A l1 l8 l0 l l Nl

{

7 89 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION

[,

l08] l Valve < mats on 66 inch valve improper 1v adiusted.

Seats were adiusted to gi4e l

1 7

P, 9 80 0

l proper seal.

Surveillance will be performed in six months to verify seal integrity. l~'

7 89 80 P? l l A FACIUTY METHOD OF x

STATUS

% POWER OTHER STATUS 0:SCOVERf OtSCOVERY DESCR'PTON L c_J lolol0l l N.A.

l

[B]

l N. A.

l i

7 8 9

10 12 13 44 45 46 80 ACT wf Y CosTENT RELEASFO OF RELFASE l AMOUNT OF ACTIVITY LOCATCN OF RELEASE 4e lZl N.A.

l l

N.A.

T.

M l Zl 7 8 9

10 11 44 45 60.

PERSONNEL EXPOSURES NUMSER TYPE DESCRIPTON DE l 0 l 0 l 0]

lZl l

N.A.

7 89 11 12 13 80 PERSONNEL INJURIES NUM0tH OESCRiPTON EE I0l0l0l l

N. A.

7 89 11 12 80 OFFSITE CONSEQUENCES El N. A.

l 7 89 80 LOSS OR OAMAGE TO FAClLITY TYPE DESCR:PTION E Wl N.A.

l 7 89 10 80 PUBLICITY 1

l Sacramento Union and Sacramento Bee notified 9/4/75.

l 2.

7 89 80 8 0 02 210 e O 2

- ADOITIONAL { ACTORS l

7-9 80 19 I I

7 89 80 9

R. W. Colombo / F. T. Eisenhuth PHONE; (916) 452-3211 NAME:

Ext. 83

_