ML20084S091

Telecopy Ro:On 730608 While Conducting Valve Operability Check on Hpci,Valve 2301-3 Failed to Open & HPCI Declared Inoperable.Cause Not Stated.Valve Manually Opened

ML20084S091
Person / Time
Site:	Dresden
Issue date:	06/09/1973
From:	Worden W COMMONWEALTH EDISON CO.
To:	Giambusso A US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084S074	List: ML20084S070 ML20084S086 ML20084S091 ML20084S094
References
NUDOCS 8306160146
Download: ML20084S091 (1)

Text

C i ,

DDD . . ./,

DDDD ' YI gg ,

Yi(b b[b bruun filt.0l<,ioW y'b [l o .

USAEC HpS GTWN 50-249

~

TLXA037 WAG 0 37 (0 917 )(1 -003934C 160002 )PD C6/0 9/7 3 0 915Tj d... . ; I' 8 01 ICS IPMVEIA MVN ;C ' O MM.

C.S. A' 01019 TDVE t10RRIS IL !!3 06-08 556P CDT . .. / A.I PMS MR A GI AMdUSSO .,

DEPUTY DIRECTOR FOR REACTION r*HOJECTS .~

c.c.,.[2-[

6 . "<!:-l'9 DIRECTORY OF LICENSING f.<s'. "

J J.i.!. 1 0 ,\,i > '

U S ATOMIC COAMISSION ff[,

C, -

. ;r g-

.,e,g

\ / h , , .,' ?,

WASHDC 20545 , ,3 N,

SU8JEC T: DPR-25 DRESDEN NUCLEAR POWER STATION UNIT 3 Nr. $ . A{]j; s/

VISUAL CONFIRM A CONVERSATION WITH MR MAURA OF YOUR OFFICE AT 1650 HOURS THIS DATE CONCERNING FAILURE OF HPCI STEAM SUPPLY VALVE 2301-3 ON 6-8-73 WHILE CONDUCTION VALVE ,

OPERATABLE CHECK ON HPCI. VALVE 2301-3 FAILED TO OPEN 100/.

WITH THIS VALVE IN A MID-POSITION IT WAS DECIDID TO DECLARE PC I INOPERATABLE. THE SHIFT WAS INS TRUCTED TO tsEGIN REQUIRED SUVILLENCE BY 1545 HOURS THE MAINTAIMANCE CREW INVESTIGATED

.. THIS PROBLEM. MAD TO MANUALLY OPEN THE VALVE. AT THAT TIME HPCI WAS DECLARED OPERATABLE. THE MAINTAINANCE CREW WILL CONTINUE TO CHECK VALVE TO DETERMIP/E THE CAUSE FOR ITS FAILURE.

NECESSARY REPAIR WILL BE MADE AS SOON AS POSSIBLE.

W P WORDEN .)

I SUPERINTENDENT ,$

(

'- t'1 PRESIDENT DRESDEN POWER STATION 1

t, C 3?31 8306160146 740322 PDR ADOCK 05000249 8 PDR COPY SETt nnbrog f/ )

' ~~

j

E** * * *.-w er -.we .,.mmm-a.m%, .gg,, ,,,me w g,,, g l

j s ha.3a.me# ~ ~

t I Telegrad.

tuestern 'lanton. . . . .. ,

l l973 Jim-g Ali 9:23 VED036(0917)(1-003934C160)PD 06/09/73 0915 ICS IPMVEIA MVN 01018 TDVE MORRIS IL 113 06h56P CDT PMS MR BOYST GRIER, DIRECTOR DIV 0F COMPLI ANCE l DIV 3 VX U S ATOMIC ENERGY COMMISSION 799 ROOSEVELT RD j

g GLEN ELLYN IL 60137

SUBJECT:

DPR-25 DRESDEN NUCLEAR POWER ST ATION UNIT !.

c VISUAL CONFIRM A CONVERSATION WITH MR MAURA 0F YOUR OFFICE A{.

1650 HOURS THIS DATE CONCERNING FAILURE OF HPCI STEAM c

SUPPLY VALVE 2301-3. ON 6-8-73 WHILE CONDUCTION VALVE -

OPERATABLE CHECK ON HPCI. VALVE 2301-3 FAILED TO OPEN 100/.

c WITH THIS VALVE IN A MID-POSITION IT WAS DECIDED TO DECLARE HPCI INOPERATABLErTHE -SHIFT ' WAS INSTRUCTED TO BEGIN REQUIRED ~

SUVILLENCE BY 1545 HOURS THE MAINTAINANCE CREW INVESTIGATED YHIS PROBLEM. HAD TO MANUALLY OPEN THE VALVE. AT THAT TIME HPCI WAS DECLARED OPERATABLE. THE MAINTAINANCE CREW WILL  ;

CONTINUE TO CHECK VALVE TO DETERMINE THE CAUSE FOR ITS FAILURE.

NECESSARY REPAIR WILL BE MADE AS S0ON AS POSSIBLE.

W P WORDEN ,

SUPERINTENDENT l

PRESIDENT DRESDEN POWER STATION l

TELEGRAMS (OTHER Tm MONEY ORDERS ) .Li Ec .

is Pra- CAL del ~ E " ' Ti *C ' yg3_f ci, gj. .

Q 'i - .  ;.?

"i1"'p[,//

l'23A'[.[g cf Sh-a-bI'U Go f

T .e. T^ -

@)all J g

, .. ...r:. .- -- --

r

~

. SF 180101549)

'I)' JUN 131973 f

_-____._..___...______._______._____.m__.- . _ . . _ _ . . , _ _ _ . , , _ . _ . , _ _ . _ . . . _ -