ML20245D539

Notice of Deviation from Insp on 890403-07.Deviation Noted; Unavailability of Trend Info for Neutron Flux Variable on Dedicated Recorder Nor Stored in Computer Memory for Display on Demand

ML20245D539
Person / Time
Site:	North Anna
Issue date:	06/20/1989
From:	Julian C NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
Shared Package
ML20245D519	List: ML20245D515 ML20245D527 ML20245D539 ML20245D548
References
RTR-REGGD-01.097, RTR-REGGD-1.097 50-338-89-11, 50-339-89-11, NUDOCS 8906270148
Download: ML20245D539 (2)

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i ENCLOSURE 2 NOTICE OF DEVIATION Virginia Electric Power Company Docket Nos. 50-338, 50-339 North Anna License Nos. NPF-4, NPF-7 The following deviation was identified during a Nuclear Regulatory Commission (NRC) inspection conducted on April 3-7, 1989.

In Virginia Electric and Power Company document, " Compliance with  ;

Regulatory Guide- 1.97", transmitted January 31, 1984, the licensee l committed to comply with Regulatory Guide (RG) 1.97, Instrumentation .for ,!

Light-Water-Cooled Nuclear Power Plants to assess Plant and Environs Condition during and following and Accident. Specifically that comitment does not take exception;for the neutron flux variable, s 1

RG 1.97 specifies the following design criteria for Category -1 varibles. ]

Recording of instrumentation readout information should be provided 'for at j least one redundant channel. The trend information may be continuously  ;

updated, stored in computer memory, and displayed on demand.

Contrary to the above:

Trend information for the neutron flux variable was not available on a dedicated recorder nor stored in computer memory for display on demand. Neutron flux is ? Category 1 variable.

ihe Deviation applies to the both Units.

Please provide to the U.S. Nuclear Regulatory Commission, ATTN: Document Control Desk, Washington, DC 20555, with a copy to the Regional Administrator, Region II, and a copy to the NRC Resident Inspector, in writing within 30 days of the date of this Notice, the reasons for the deviation, the corrective steps which have been taken and the results achieved,- the corrective steps which will l

8906270148 890620 l PDR ADOCK 05000338 Q PDC 1

6 Virginia Electric Power Company 2 Docket Nos. 50-338, 50-339 North Anna License Nos. NPF-4, NPF-7 be taken to avoid further deviations, and the date when your corrective action will be completed. Where good cause is shown, consideration will be given to  ;

extending the response time.

FOR THE NUCLEAR REGULATORY COMMISSION O. /

py audie

' u A Julian, Chief l f+ Enginee ing Branch l Division of Reactor Safety .

Dated at Atlanta, Georgia this po d ay d of June 1989 1

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