ML20084B117

Telecopy Ro:On 730419,both Doors of 80-ft Elevation Personnel Air Lock to Containment Bldg Inadvertently Opened at Same Time.Caused by Interlock Malfunction.Investigation Ensuing

ML20084B117
Person / Time
Site:	Indian Point
Issue date:	04/20/1973
From:	Caldwell W CONSOLIDATED EDISON CO. OF NEW YORK, INC.
To:	James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8304060130
Download: ML20084B117 (4)

Text

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _

o O s t

o I -

j l

l ~ ~ :: . , p;(i c;c)(imot uS9 Allo)Po c:-;/ro/73 1cu 1Lt CONEC~1A!L lYK ZCZC 1 PO lE'J YORK NY IM:.3 JAliES P 0'ItEILLY DIf1ECTC3 DIRFCT03 ATE CT REGULATORY CPERATICNS REGIO. 1 UG ATCMIC DCACY CCM:1TGSTON 970 T' ROAD STnEET f:I"ADM i:3? JEnSEY O'/102

?

PJMU ANT TO THE REQUIT5:iEtris OF SECTION 6.6, PAR AGRAPH 6.6.1 (I) CF THE TECHNIC /,L SPECIFICATION 3 FOR FACILITY OPERATING Li CIN E NO. DPa-N5 PLFASE DE ADVISED THAT ON APRIL 19, 1973 AT Af'i liOXIt' ATELY 10:00 A.li. AMD AGAIN AT APPROXII ATELY 3:l?$ Pli DOTH DUORS CF THE FiO' ELEVATION PERS0fjNEL AIR LOCK TO THE CONTAliS.ENT LUILDIt:0 UERE INADVERTENTLY OPENED AT THE sat:E TItiE t r.im vs.m 4..

8304060130 730420 PDR ADOCK 05000247 S PDR

1 h

~

a r

FCR /MUT 100 UTf;UTES ILUE TO A l'Al. FUNCTION OF THE MECHANICAL INTE!: LOOP D"V . .:E S . AT 1HE llPE CF t.0TH OCCURRENCES THE REACTOR WAS SHUTDWIJ 1:liH ALL CCNTh0L RCD ^. FULLY INBERTED. THE REACTOR CCOL'J:r SYSTEP PRESSURE AND TEl'PERATURE UERE I450 PSIG AND 22SF .

RESPECTIVEl Y AND THE REAC10R COOLMIT BORIC ACID CONCEfJTRATION UAS 2?h 0 PPit DOR OrJ. WITH THIS CONCENTRATION OF BORON AND ALL CONTFOL R ROUS FULt Y INSERTED THE REACTOR VAS SUB-CalT] Cal BY AT LEAS 7 12 PER CENT M/K.

UE ARE UURRENTL Y TfWESTIGATING THE CAUSE OF THE INTEliLOCK Mall UCTION AND VILt /.DVISE YOU AT A LATER DATE OF OUR FINDTt C3 AND CORRECTIVE ACTION TAKEN. ,

l'R. /,NiHONY F AS ANO 0F YCUR OFFICE UAS INFORMED ON AFRIL 19 15'/5 BY TELEPHONE Or me r.00VE OCCURRENCES.

u.ix ,tr w n e

p-

n...

.. , , ., . . s,... i,u. .. x . .- . 2 ,. ., %,,

~, ,,..

m.p...y,-

s.. .v.. .. . - -,. . : .v. ...z m. . ~ ,. ... .a . p.

.w .- p~ ..

e .

=

's .

., 9 - c , ..

f

.* .,8,..-

. e.

-( . .p . . . . > '

d. ,. .

.. , . . ~, - . ... . .

r.- .V w

• n-y .

4 ,. ,4 -

,)

4 f_..s ., .'. .s -

,i t .. . . -

~

tye- m"

_..) w.

e g .

e e'. ,,-

.y

< r. .:-

4 .4

• Q .

b t'TLLIAF E CALR El.L JR. "..\ ' 4 >:

VICC PRESIIChT .. ... ..,. -

• g .a . .- . v s.: . . c

y. ,

_..y .

o u e .l.....

.. u -;u..

. +

.p.,

q. ..

i. u, ..

, . .u.., .

s r . r... p

$4 s"-

• ?- -

[ h , -:

s

v. .. .:....;. ,.

. - 6 ....

+ .%%. .-- '

.', q s'

. f)

s. .

t g j,c.. .

+. f.

+

i

.. $-. ,n . - , . -

e.-

=.

'i*- * * . "

i .. . .

x

x. .

f.F.1 ^0 t (c', t1) -I, J

1. . ae ,, ;

.g, 1

,, s .t-

a. n m.

7;$s

-. .?

i. .

3... .s , .

. . j-v q.

.l ,, ..

.:, =.

v%:. h.. .;.

- e. .

.x...

..~.  ?.-

n 7 . e.- ..

y~

4'.. .., ,.z

..c A

s. x.-.y.,

3; .7.,.

e . - x .. ? -

y.

'(< . ..

, + .-

' ~

L *, . , 't t t

-y , .q . 4.

-"l=- > .

,f ' .

NJ-a ,.. .

5 a',

s 'k_ ,

q,, :.- ~)

a p., 4..s.

-s "e

it ' a r**

.p- .

8-

1. 'f , ' - ,- 4.

Q =

N [- .,t h,. ,.

• kgg +

89

[N y %.

~5 ."/

..,# Jg [ .'

.' p3, .. . . 'g;

. 4 , ,,,,

. i .':) '.-' . , ;)s =--P.- ,,. 4. % >,, *v ,e .

v, -  ? 3.: 5,9 s.- O _a .5 ,v .*.~ -,/* . - _ - . .$ ..- ,, .,

;:A .,,.,;-

-. --'g :-(

.- 1. , . y .

, > y. , _ $ . .. ,; - . , , ._ _'.;,

• *, ~_ y ,n . 4 , . , p- , . ;,_ -

i'k- ,.. , .'. ' ._.

',,. r:y.

.zwt

.J '

. 3 s - . g. ..- r_.3 .s  : +- .' 4 L',. , .. *

'? . ,-$. _. . L . w . . ,i* ~ s . ,..

. .m .3a., .

- . . s . , .3 .. . .

. ..f-.. #-

.... ---. -- . _ . - _ - m .

• g,

.._._...e.

l u :.'.0 im'il: pp ....o 4 . ...< m .,,... 6 L _c , , .,

i -

i. m . . . ,e -

i. . i.,.i., , , ,, , , , , , , , , , , , , , , , .

. . . . . . . _ ~ . . , . . . . . , . . _ . _ . .

n,i. . .,

g, . .. a , . , 3 e r, f r." r. 1:o g , Fiel ' '; n p p o r t- . Licensee: Co..nol i da t.ed !:d i s on company -- --

l l'. t o rc . r nt dr., i NHQ - ~

.l . C li pi. l e r , no (2) i,J Docl

ct I!.i. : 50-247 '

i~

• l

'iVX DN11:D AP1:TL 20 1973  !'

i_

! s o c.e . .w i o r.i n n , - . . .,

I l'0:11;) (5). --

. ; IC Central File, (1) sut - The attached report frem t he sub ject licensen is 1:e;,ul at ary 'H and.ird.. ,3) ~~~ -

lii r . of 1,1c<n:ir., (13) ro,,,arded in accorde.n. ce ui th no anu al ch n n t. e .-_ _100 C) .

io ce . . 3 m . .m n.s .... ,

The action tchen by the licensee i s c en.c_i__d ered I uit . _ . . - - . appropriate. Follouup vill be Perforned durine _  :

the ne::t incnection ns ennroprinte. Coniny of f __

e rm o e.,- v .. a , n. , s , ,

,, ,/ ; , e. x . the report have hcon forunrded to the PDR, local l r /Jl nrnaner, chief PDR, USIC, DTIE and State reiresentativen.

Facili,y lent 6 Start v i l' r . , KO: I l s,u . (. . r r 3 '1 'e 3 4/24/73 L%E OinlR ML L IUR A t ;.Tia *L ti M Apts gm, ggg g , ,

6 I O i ~

l . . .

b. h

\ \.

w r J ./

1 l

1 4 8 4

• =e.,,

- 2, .

'3 j[iO~

,s gt.g ; 'd

,.3 , ,

,4 **

t C ' k C3MI k