ML17303B144

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Notice of Deviation from Insp on 880404-08.Deviation Noted: Wide Range Steam Generator Level Instrumentation Lower Tap Approx 12 Ft Above Tube Sheet & Upper Tap Approx 4 1/2 Ft Above Bottom of Separator,Contrary to Reg Guide 1.97,Rev 2
ML17303B144
Person / Time
Site: Palo Verde  Arizona Public Service icon.png
Issue date: 05/12/1988
From: Pate R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V)
To:
Shared Package
ML17303B143 List:
References
RTR-REGGD-01.097, RTR-REGGD-1.097 50-528-88-12, 50-529-88-12, 50-530-88-12, NUDOCS 8805310257
Download: ML17303B144 (2)


Text

APPENDIX A NOTICE OF DEVIATION Arizona Nuclear Power Project Palo Verde Units 1, 2, and 3

Docket Nos.

50-528, 50"529, 50-530 License Nos.

NPF-41, NPF-51, NPF-74 As a result of the inspection conducted during the period of April 4 through April 8, 1988, a deviation from your commitments to the NRC was identified.

In accordance with the "General Policy and Procedure for NRC Enforcement Actions," 10 CFR Part 2, Appendix C, the following deviation was identified:

Table 2 of Regulatory Guide 1.97, Revision 2 recommends the range of Wide Range Steam Generator Level instrumentation to be:

"From tube sheet to separators."

Palo Verde Nuclear Generating Station (PVNGS)

FSAR, Section 1.8-Conformance to NRC Regulatory Guides states:

"PVNGS compliance with the recommendations of Revision 2 to Regulatory Guide 1.97 is addressed in table 1.8-1".

Table 1.8-1 classifies the Wide Range Steam Generator Level instrumentation as category 1 instrumentation with a range of 0 to 100K.

Table 1.8-1 states that the instrumentation complies with 'the recommendations stated in Regulatory Guide 1.97.

Contrary to the above, at the time of the inspection, the Wide Range Steam Generator Level instrumentation had a lower tap approximately 12 feet above the tube sheet and the upper tap approximately 4 1/2 feet above the bottom of the separator.

This range is approximately 31 to 112 per cent of the range described in the Regulatory Guide.

This is a Deviation.

Please provide to the U.S. Nuclear Regulatory Commission, ATTN:

Document Control Desk, Washington DC, 20555, with a copy to the Regional Administrator, and a copy to the NRC Resident Inspector, in writing within 30 days of the date of this Notice, the reason for the Deviation, the corrective steps which have been taken and the results

achieved, the corrective steps which will be taken to avoid further Deviations, and the date when your corrective actions will be completed.

FOR THE NUCLEAR REGULATORY COMMISSION Dated thielc4h day of N at Walnut Creek, California.

Robert

. Pat hief Reactor Safety Branch POR

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