ML20249B241

PNO-76-008:on 760116,sharp Increases in Plant Air Ejector off-gas Radiation Monitor,Indicative of Fuel Cladding Failures,Combined W/Steam Leakage in Turbine Building Caused Isolation of Turbine Building.State of Ny Informed

ML20249B241
Person / Time
Site:	FitzPatrick
Issue date:	01/19/1976
From:	Dreher F, Roy G, Thornburg H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-76-008, PNO-76-8, NUDOCS 9806220219
Download: ML20249B241 (1)

Text

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• .* re PRELIMINARY NOTIFICATION - NOT FOR PUBLIC DISCLOSURE January 19, 1976' PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -PNO-76-08 This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information presented is as initially received without verification or evaluation and is basically all that is known by OIE staff as of 11:00 a.m. on date of this notification. IT SHOULD BE SPECIFICALLY NOTED THAT THIS NOTIFICATION MAY CONTAIN INFORMATION THAT LATER MAY BE DETERMINED TO BE INACCURATE OR INCONSISTENT. AN OFFICE OF INSPECTION AND ENFORCEMENT NOTIFICATION OF AN INCIDEUT OR OCCURRENCE (BLUE SHEET) SUBSEQUENTLY WILL BE ISSUED IF WARRANTED.

Facility: J. A. FitzPatrick (DN 50-333)

Power Authority of the State of New York (PASNY)

Niagara Mohawk Power Corporation (NMPC)

Subject:

RADIOACTIVE RELEASE INTO TURBINE BUILDING ATMOSPHERE Sharp increases in the plant air ejector off-gas radiation monitor, indicative of fuel cladding failures, combined with steam leakage in the turbine building wu.ed isolutivu uf i.he i.ut'uine 'ou11 ding at.1325 on sanuary lo. 2ne reactor

was manually scrammed and the site emergency plan was placed into effect, ,

because of the surprising increase of the gaseous release. It should be noted that releases from the plant have been very low. Five workers were evacuated from the Turbine Building. There were no personnel injuries or overexposure.

There were no radioactive releases above technical specification limits to the environment. The plant remained shutdown for an outage scheduled O to start January 18. /

/

l Media interest is expected because of the extended scheduled outage. The g State of New York was informed January 16. A press release was made by the A licensee on January 16. 0 Region I was informed of this occurrence by telephone from the Plant  ;

Superintendent at 1620 January 16.

This report includes information obtained over the weekend and is accurate

as of 0800 January 19.

I

Contact:

FADreher, IE x27261 GWRoy, IE x27353 HGThornburg, IE x27541

~

Distribution:

l

, Chairman Anders Consnissioner Mason S. J. Chilk, SECY

Commissioner Gilinsky Commissioner Rowden G. F. Murphy, JCAE

, Commissioner Kennedy C. C. Kammerer, CA h' L. V. Gossick, J. G. Davis, OIE . J. A. Harris, PA

. B. C. Rusche, NRR J. La Fleur, ISP T. J. McTiernan, AIA

K. R. Chapman, NMSS H. K. Shapar, ELD l' Transmitted

P Bldg //li C ; R St/8,7 DA ; MNBB //27F; Luge /f4 e / i

,, _ _ . _ . . . _ .< l 9906220219'760119 ~

i PDR 18:E '

PNO-76-OOS PDR "

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