ML20210G281

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Requests Publication of Individual Sholly Notice Re Reactor Trip Sys Instrumentation Trip Setpoint Changes.Licensee Could Be Subj to Unnecessary Delay in Return to Power If Notice Included in Next bi-weekly Notice
ML20210G281
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 09/19/1986
From: Oconnor P
Office of Nuclear Reactor Regulation
To: Rubenstein L
Office of Nuclear Reactor Regulation
References
NUDOCS 8609250371
Download: ML20210G281 (1)


Text

So- % L MEMORANDUM FOR:

Lester S. Rubenstein, Acting Deputy Director Division of PWR Licensing-A FROM:

Paul W. O'Connor, Project Manager PWR Project Directorate #4 Division of PWR Licensing-A SEP 191986 THRU:

B.J. Youngblood, Director PWR Project Directorate #4 Division of PWR Licensing-A

SUBJECT:

REQUEST FOR INDIVIDUAL SH0LLY NOTICE:

REACTOR TRIP SYSTEM INSTRUMENTATION TRIP SETP0 INT CHANGES Your consent is requested to publish the attached Sholly Notice for Wolf Creek as an individual notice. The subject Technical Specification change will add conservative reductions to reactor trip system instrumentation trip setpoints to incorporate increased uncertainties identified during system calibrations carried out at higher temperatures than those used by the vendor prior to plant operation.

These changes had been considered low priority by the' licensee until they recognized that they were needed to support operation during the Cycle 2 operation scheduled to begin in November.

If this notice is included in the next bi-weekly notice Wolf Creek could be subject to an unnecessary delay in return to power if a significant improvement in the proposed refueling schedule is accomplished.

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Paul W. O'Connor, Project Manager PWR Project Directorate #4 Division of PWR Licensing-A I

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