ML20249A045

PNO-78-005:on 780111,orderly Unit Shutdown Because of Debris Accumulation & Icing of Circulating Water Intake Screens. Screens cleaned,de-iced & Preparations Made for Startup.Leak in Bonnet Gasket.Unit Maintained in Cold Shutdown Condition

ML20249A045
Person / Time
Site:	Salem
Issue date:	01/12/1978
From:	Blackwood E, Sniezek J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
To:
References
PNO-78-005, PNO-78-5, NUDOCS 9806160001
Download: ML20249A045 (1)

Text

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__ PRELIMINARY NOTIFICATION -

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< q,. January 12, 1978 V

.. PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE--PNO-78-05 This preliminary notification constitutes EARLY notice of an event of POSSI3LE safety or public interest significance. The information nresented is as initially received without verification or evaluation

'and is basically all that is known by IE staff on this date.

Facility: Public Service Electric and Gas Company Salem Nuclear Generating Station, Unit 1

,, Salem, New Jersey (DN50-272)

Subject:

UNPLANNED FACILITY SHUTDOWN

, At 1:46 a.m., January ll,1978, an orderly unit shutdown was made because of debris accumulation and icing of the circulating water intake screens. The inability to maintain condenser vacuum because of icing necessitated the shutdown.

Early in the afternoon of January ll, 1978, the screens had been cleaned and de-iced and preparations were being made for startup. At this time a leak was found in the bonnet gasket of a check valve in the line from a safety injection FW accumulator tank.

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The unit is being maintained in the cold shutdown condition while the gasket is being replaced. It is expected that the unit will be back at power on Sunday, January 15, 1978. C:

The State of New Jersey has been informed. A press release is planned by the licensee. Media interest is expected.

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NRC, Region I. (Philadelphia) received notification of this occurrence by c telephone from the Station Manager at 8:20 a.m., on January 12, 1978. O

Contact:

EBBlackwood, IE x28019 JHSniezek, IE x28019 N i Distribution: TransmittedHSt/((b  ;

Chairman Hendrie Commissioner Bradford {

Commissioner Kennedy S. J. Chilk, SECY C. C. Kammerer, CA )

Commi'ssioner Gilinsky (ForDistribution) '

Transmitted: MNBB /[/[b PBldg//)/[ E. Volgenag, IE L. V. Gossick, EDO E. G. Case, NRR Region L ff _1/

S. H. Hanauer, EDO J. J. Fouchard, PA SS Bldg //l 2. D (MAIL)

R. Hartfield, MIPC C. V. Sniith, NMSS R. J. McTiernan, 01A R. G. Ryan, OSP R. Minogue, SD I H. K. Shapar, ELD j

] =e. _ PRELIMINARY NOTIFICATION 1 Y~ tN 9806160001 780110 i PDR I&E PNO-78-005 PDR  !