ML19241B266

From kanterella
Jump to navigation Jump to search
Forwards PNO-79-67AV
ML19241B266
Person / Time
Site: Trojan File:Portland General Electric icon.png
Issue date: 07/03/1979
From: Engelken R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To: Goodwin C
PORTLAND GENERAL ELECTRIC CO.
References
NUDOCS 7907130386
Download: ML19241B266 (1)


Text

p ** * %q, t

4 o

UNITED STATES NUCLEAR REGULATORY COMMISSION

Tth

$ [',. c *( 'g FlEGION V 0,, ' h;[' /.

T.; ;.;3 C; ' [N4

[

1990 N. calif OftNI A BOULEVARD U

Sulf E 202. WALNUT CHE E K PLAZA e'

o

  • eee*

WALNUT CflE E K, CAllF ORNI A 94996 July 3,1979 Docket flo. 50-344 Portland General Electric Company 121 S. W. Salrcon Street Portland, Oregon 97204 Attention: ifr. Charles Goodwin Assistant Vice President Gentlemen:

In accordance with our letter dated April 1,1979 transmitting Bulletin 79-05, we are enclosing Preliminary flotification 79-67AV.

Sincerely,

(?!l5,

r. S I ~

R. H. Engelken Director

Enclosure:

PriO-79-67AV cc w/ enclosure:

B. Withers, PGE F. Gaidos, PGE

- :, l,

j 1:

!u i-m 7 90 713 0 3r$h

?

w e

.wJ

?

I;HEDIATE PRELIMIMRY t90TIFICATION w-July 2,1979 PRELIMI!4ARY NOTIFICATICA 0F EVENT OR UMJ5UAL OCCURRENCE -- PNo-79-67-AV This nes11minary notification constitutos cursarv information of 'nn event of sahty or neolic intamst signt ficanco.

frue infqr sation presentad_ is a meesary of inforetion as of h 00 a.u.

on i9ri l 1979.

Fxility: These Mile Island Unit 2 liiddletown, Pennsylvania (OH 50-320)

SOj ect:

t? DATED STATUS REPORT Cw rstional,:

1.

Average coolant tmperature is '102 degrees F.

Tha bichest incors therm-couple taperature indication is 270 daarses F.

Core flow is being pro-vided by natural circulation.

Core cooling is being :aaintalmd by atweing the "A" Stua Generator to the c.ain condenser en the bypass valvo. The incr=ases in taacaratures over the past wek art + dus to delibrata redu: tion of the cp!ning of the bypass valve in order to increase the themal driving head for natural circulatton flow.

Prieary pressurz is bcut 325 psi.

The licensea still plans to slowly decrease pr assure to about 250 psi.

2 Daily masurwents of re3ctor butiding wter lev 9l still indicata 7.0

  • 0.5 foot above floor loval.

3.

Thz Pressure /Volcree Control system continuas to progress towed ccwpletion sicwly.

Environmental Status:

Environs,antal radiation levels reeain consistent with natural background levels.

Airborne relsanas remain well below Technical Specification llalts.

Free June 25-July 1,1973,19 air sateples, 8 milk saeples, 4 vegetation sacples and 2 soil samlas were collectad by the NRC.

All analytical rasults '.rses less than PDA. EPA air, water, and allk sagles collected curing the week (up to June 29) showed no detectabls activity frcm TMI.

N Continued J

.rJ O$

JudOfQj a

/lO

g.r f _.,

=

.1 1

?.iCa t

..a Continwd Fte-79-67-AV Pxp 2

  • July 2, 1979 4 ?I n

. t.,r ;. 3

Contact:

RCPaulus, IE x2724 DThceps on, IE x28487 131nricution:

Transanitted H St 3*/

C.% i r.s.in Mndri a Ccamissioner Bradford S. J. Chilk, SECY Cemiasioner Xannedy CcwIssioner Abearna C. C. Kanuarar. CA Cenaissicner Gilinsky (For Distribution)

Transaltted:

kNBa 'J 1L P. Bldg T.@

J. G. Davisl.,IJ, L V. Gossick, EDO ~~

11. R. Denton, iiRR f<agion I

/M H. L. Orns te i n, ECO R. C. DeYoung, MX Rg' ton II

  1. ."M J. J. Fot.thard, PA R. J. He,ttson, Mit Ragfon III &M fl. M. Ihller, itPA Y. Stallo, min R nfon IV dT 4.:es M
n. G. Ryan, osp
a. S. Doyd,/(*Ma Region y H. X. Shapar. ELD SS 8169 il Pell) if. J. D i rex s, rMSS J. J. Ctxt.aings, CIA S. L.wfoe, RES R. Hinogue,'.;0 IE (TMI) Sita %w (Provida copy to STATE)

C. Abrahad, PA

___ (.711ddistown - T>tI-Inforntion C.+nter)

Ehita House Situation J.oo.4 FDAA

_(Provid4 ccptas to the Acninistrator and the Operations Canut)

EPA

.s CCi/ECC F'

c..

PF'/A bi. /g 7 '

D3P (5 tate of PA)

CCPA Tt,y HFW

!! I' Handcarry IFAA) t';

~~

s3 i--

t

~

y It.hEDIATE m

y 5

OJ PRELIMINARY NOTIFICATION e

R rn R

Ms

~-

G.

Q ';

h ';

x h

I

.]

y N

h y' '

X

- A " ?,

=

  • q s e r _.. -.....,.,,

c..,.y.._....--.,,

q.2 1/i Og e w UE

~

s.~

60 E.

?: " :'

9l E...

h O

J y,,)/

... s.,

tl:7 ;}

,j /. #

,.s r

Asm.9:

c.

Avoly m :.:.. ;.

g

,0

.