ML17252A524

From kanterella
Jump to navigation Jump to search
Letter Confirming a 06/12/1974 Conversation Concerning the Discovery of 2 Reactor High Pressure Scram Switches (PS-3-263-55A and C) with Set Points Above the Technical Specification Limit - Dresden Unit 3
ML17252A524
Person / Time
Site: Dresden Constellation icon.png
Issue date: 06/12/1974
From: Stephenson B
Commonwealth Edison Co
To: James Keppler
US Atomic Energy Commission (AEC)
References
Download: ML17252A524 (1)


Text

\_

(

(

I CS I PM VE IH MVN ---:--------- -

c 08277 TDVE MOR~J_S__ IJ=l-12-06--12-~CD_T___ -~-

--- -p-MS~ G- --KE-P~LER. REGIONAL DIRECTOR WUX DIRECTORIATE OF c REGULATORY OPERATIONS REGION 3 US ATOMIC ENERGY COMMISSION 799 ROOSEVELT ROAD

(. GLENN ELLYN ILL 60137 5U3JECT DPR-25 DRESDEN NUCLEAR POWER STATION U~IT 3 THIS

( 'JJILL CONFIRM A CONVERSATION WITH F MAURA OF YOUR OFFICE AT 1300 HOURS THIS DATE CONCERNING THE DI,~COVERY DURING ROUTINE SURVEILLANCE TESTING OF 2 REACTOR HIGH PRESSURE SCRAM SWITCHES

. * -- <PS-3-2S3-55A & C) WITH SET POINTS ABOVE THE 1060 PSIG VALVE i$lt\.

ALLOWED BY LIMITING SAFETY SYSTEM SETTING 2.2.A THE SWITCHES V;jl' WERE FOUND IO -OPERATE AT 1064 PSIG AND 1066 PSIG RESPECTIVELLY AND WERE IMMEDIATELY RESET TO 1048 PSIG AND 1044 PSIG ADDITIONAL DETAILS ARE FORTHCOMING IN THE FORM OF A 10-DAY LETTER IN

( SF-1201 (RS-69)

""I_. __ ._ _...__-***-- . - ~- ..... ------*---*-*- --*--**-- ----*- - - . --- - *- *-* ----~------*-**-**-** *-* .-. -***-* --~ -- ~- ______ _____

....... - ~ :_

(

ACCORDANCE WITH SECTION 6.6.B.l.A OF THE TECHNICAL SPECIF IC.!\ TI 0 NS *

(_ B B STEPHENSON SUPERINTENDENT DRESDEN NUCLEAR POWER STATION COMMONWELATH EDISON COPY RURAL ROUTE 1 MORRIS ILL 60450

(

NNNN

(

TELEGRAMS (OTHER THAN MONEY ORDERS )

  • Is

~AGENT PHYSICAL DELIV&1Y requested? -:.----:c:- (YES;AGENT' NO-ADDRESSEE)

SECTION ADDRES._,~E s..,CTIO~ ,.,,:)Jl- '2 le ftij_

l Nbr * & Name N,) r . ~S~l~~~...§.t..;._~B(;._~_:::::~~

~Date dld 'f in:t: <lld 3 . T°J Y

-To be mailed or filed r~. J~ 7~* . '**

/!J~t"ts t~l~~liv.er Ui}9icate -DA_or )~{ 1!.., r::* _

~1h- (lJJi'l ~.L~#- -,--H1~--~~:____~-1:rf-ct.:.c~--

(~ SF-1201 (RS-69)