ML19206A508

Ack Telcon Re RO 78-03/1P on 780214:continuous Fire Watch Was Not Established After Cable Room Halon Sys Automatic Actuation Was Tagged Off

ML19206A508
Person / Time
Site:	Crane
Issue date:	02/14/1978
From:	Seelinger J Metropolitan Edison Co
To:	Grier B NRC Office of Inspection & Enforcement (IE Region I)
Shared Package
ML19206A504	List: ML19206A503 ML19206A507 ML19206A508
References
NUDOCS 7904200088
Download: ML19206A508 (1)

Text

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METROPOLITAM EDISON COMPANY m-

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POST OFFtCE box anc *.* toot _E'OWN PENNSVL V ANft. '7CS-rFLEDWONE 717 944 404 14 rebruary 1978 58.r. Bnyce H. Grier Directorate of 9egulatory Operations Reginn I

• uclear Regula tor y (.o nission 631 Park. Avenue King of Prussia. Pennsylvania 19406 Operatino License

DPR-73 McLet:

50-320

SUBJECT:

REPORTABtt OCCUMENCE ND. 79-03/10

Dear Mr. Grier:

This telegran is to (.on' ira the telecon bet eea r. J. L. Seelinger, Uiit II Superintendent, Technical Support, and Mr. D. Haverkaru. Region I-NRC at 1130 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.29965e-4 months <br /> on 14 February 1976.

A violatino of Technical Specification 1.7.10.1 wa'. recognized at 0935 nn la February 1978. in that a continuous ' ire watch was not est9blished after the Cable Roon Halon SV5 ten's auto'atic actuation -25 tagged off.

This incident is considered Reportable under T.S. 6.9.1.R.b.

The Halon Auto iatic Actuation switch on Panci 777 was turned of f at 0845 on 13 February 1978, due to welding in the cabic ree-', but dua to a 7:isinterpretation of the operability of the Cable Roc Heinn Syste,, a continunus fire watch was not established unt,il 0935 on 14 r bruary l?79 e

Further details of this inc ident and corrective actions taken will be discussed in the followoo report.

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i. Seolinger 8 Unit %peririte'ide it/Technir.al Support i

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