ML20084A411

AO 3-2-13:on 731011,reactor Tripped Off Line Due to Loss of Generator Field Relay Action.Caused by Gaseous & Particulate Radioactivity in Auxiliary Bldg.Samples Analyzed & Investigation Initiated

ML20084A411
Person / Time
Site:	Indian Point
Issue date:	10/12/1973
From:	Cobean W CONSOLIDATED EDISON CO. OF NEW YORK, INC.
To:	James O'Reilly US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20084A413	List: ML20084A411 ML20084A438
References
AO-3-2-13, NUDOCS 8304050181
Download: ML20084A411 (2)

Text

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i.i . .i t A b.24 U 4 l ving Place. Nnw Yosh. IV Y 10003 . .

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_h -l October 12,.1973  :

Re: Indian Point Unit Ho, 2 Pacility Operating 1,icence DPP.-26 Mr. James P. O'Reilly, Director Recv).atory operations, Region I

. U. S. Atomic Energy Conclssion -

631 Park Avenue -

sing 'of Prussia, Pennsylvania 19400 Dehr Mr. O'Reilly:

In accordonce with the requirements of'Technien1 Epocifi- ..

cotion G.32.2 of Facility Operati.ng License DPR-26, wo wish to idform you of'an abnormal o'ocurrence (A.0, 3-2-3.3) which vsh At identified on October 11, 1973 at approximately 0345 hourn.

0224 hours0.00259 days <br />0.0622 hours <br />3.703704e-4 weeks <br />8.5232e-5 months <br /> on October 11, 3973, Unit No. 2 was tripped oi'f the line while loaded at approximately 385 Mwe (50t pov.or) due to lose, of generator field relay action. Approximately e m, hty min-utes later, portable instrumentation installed in the Primary .

Auxiliaru Buiiding indicated gaseous uno particulate radioacts,-

vity in this buildinr3 This condition was confirmed by the plant vent guceous and porticulate activity monitoro, ,

Innediatelv upon receipt of the albrm from the portable man-in thn P.A,'B., charcoal and mill.ipore GnnplcG of the plant itor In addition, a vent gaseous dincharge were taken and analyzed.

m.# the portnble monitor filter paper was also Analyzed for'narticulato activity. On the basis of these analyses the m.nu : .nicace rate for gross radioactivity of gaGenus efflu-onte from the -ite van less than ten percent of the magism per-missib3e ro) nase rato defined in the f acility Technical cDecili .

cations. The duration of the release from the site was on the order of one hour, An invectigation is undenl ty concerning. the cVCnts annociatutl with this occurrence. //

8304050181 731012 t1 ,0 '/l-PDR ADOCK 05000247 1 S PDR ,

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u!iNdNNIS=!5s.iii? f .ias!J:I M y -

r Juaes P, O'Rc. illy _ ;, - October li',1973 -

. . Rf:: Indian' Point' Unib Wo. i '

Faci 21tiy Opers. ting -

License DPR-26 Mr. Anthony Pasano of your office was notified of this occurrence by Mr, .7ohn M. Makepeace by telephone on October 11- L-m a. ,

Very truly yours,

, .. (Ddd.u _. _ k) 4L!au s

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Manager, ihclear Power Copy to: Jrhn F.,O' Leary Generation O

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