PNO-II-87-047, on 870715,unit Experienced Steam Generator Tube Leak.Util Reported Estimated Release of Radioactive Matl to Atmosphere Less than 1.3% of Tech Spec Release Limit.Release Path Isolated

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PNO-II-87-047:on 870715,unit Experienced Steam Generator Tube Leak.Util Reported Estimated Release of Radioactive Matl to Atmosphere Less than 1.3% of Tech Spec Release Limit.Release Path Isolated
ML20235U681
Person / Time
Site: North Anna Dominion icon.png
Issue date: 07/15/1987
From: Reyes L
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
References
PNO-II-87-047, PNO-II-87-47, NUDOCS 8707220555
Download: ML20235U681 (1)


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July 15, 1987 iPREliMINARYNOTIFICATIONOFEVENTORUNUSUALOCCURRENCEPNO-II-87-47 This preliminary notification constitutes EARLY notice.of events of POSSIBLE safety or public interest significance. The information is as initially received without verifi-cation or evaluation, and is basically all that is known by the Region II staff on this date.

FACfLITY: Virginia Electric and Power Co. Licensee Emergency Classification:

North Anna Power Station Unit 1- Notification of Unusual Event Docket No: 50-338' X Alert Mineral,. Virginia Site Area Emergency General Emergency Not Applicable

SUBJECT:

STEAM GENERATOR TUBE LEAK North Anna Unit 1 experienced a steam generator tube leak this morning while operating at 100% power. A notification of Unusual Event was made at 6:39 a.m and an Alert declared at 6:54 a.m. The plant was manually tripped at 6:35 a.m. and Safety Injection was automatically-initiated at 6:36 a.m. Safety Injection was terminated at 7:05 a.m. The NRC resident inspector was in the control room during the event. The Regional and Headquarters. Emergency l Response Centers were activated in the standby mode.

A. team of regional. inspectors was dispatched to the site. The plant condition is stable.

Virginia Power reported an estimated release of radioactive material to the' atmosphere of less than 1.3 percent of the Technical Specification release limit. The release path has been isolated. Offsite environmental monit: ring teams detected no increase in radioactivity above normal background.

The Commonwealth of Virginia, the EPA and FEMA have been notified.

Virginia Power has issued a press release and held a press conference at 9:30 a.m in Richmond Virginia.

This information is current as of 10:00 a.m on July 15.

Contact:

L. Reyes 242-5623 l

DISTRIBUTION:

H. Street MNBB Phillips E/W Willste Mail:

Chairman Zech EDT NRR T NMSS KDMIDMB .

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