ML17252A913

Letter Confirming a 04/23/1975 Conversation Concerning Failure of Feedwater Check Valves, 3-220-58A and 62A, and 3A Feedwater Line to Pass Local Leak Rate Test During Refuel Outage Surveillance - Dresden Unit 3

ML17252A913
Person / Time
Site:	Dresden
Issue date:	04/23/1975
From:	Stephenson B Commonwealth Edison Co
To:	James Keppler NRC/RGN-III
References
Download: ML17252A913 (1)

Text

i '

.L._,

(

(

_G. LG: ELL 'O~ IL 6 0 13 7 SUF.JE:CT: DP?.-25, DRESDE!\' NUCLE1\F~ P0 1.1IER ST/\TIO!';, 1

!r:IT ,).

THIS !,*JILL CCNFIRi'i /i CONVERSATIOfv \'/ITH Vir~ HUC-l Dtd~CE OF YO!JR OFFI-CF.

(__.. AT 1500 HOUf;S TL{IS D?1TE COf'JCERIHNG OF FAIL .!Pt: GF FEElJ\.*IATZF CHCCK1 VALVES, 3-220-58A AND 62A, AND 3A FEEDWATER LINE TO PASS LOCAL LEAK

{,.*- ..

• ......* RATE TEST D !JR ING REFUEL OIJTACE SUR'JELr,NCE. THE 2?0-53f'\. V/1LVE REVEALED A LEAKAGE OF ia3.5 SCSH ~HILE THE 220-62A VALVS LEAKAGE w~~

323.4 SCSH. BOTH VALVES WILL BE INSPECTED AND REPAIRED DURING THIS ..

)

0 UT .t;G E *.

\.. SF-1201(RS-69)~DDITIOi*.j, EXCECI 1/E LEAKM:E IS ALSO PEPORTED r-mu TH[ PRI01!i.RY

- \

A03-160l-?3

. c. '

-?~

~ . '

-60 f -r1*

.) J

-~0 Uc., ' -63. LEAKAGE REVEALED. WAS 34.75

(

(

(

SF-1201 (RS-69)

'I

'~

,. * '*~.

v" *... ,1 4'~-------- ------ ;1§.'J,

~*

v

• \