HNP-15-059, Special Report for Meteorological Instrumentation

Special Report for Meteorological Instrumentation

ML15180A402
Person / Time
Site:	Harris
Issue date:	06/29/2015
From:	Waldrep B Duke Energy Progress
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
HNP-15-059
Download: ML15180A402 (2)

Text

a'8.( Benjamin C. Waldrep Vice President ENERGYGI Harris Nuclear Plant 5413 Shearon Harris Road New Hill NC 27562-9300 919.362.2000 10 CFR 50.4 June 29, 2015 Serial: HNP-15-059 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, DC 20555-0001 Shearon Harris Nuclear Power Plant, Unit 1 Docket No. 50-400/Renewed License No. NPF-63

Subject:

Special Report for Meteorological Instrumentation Ladies and Gentlemen:

Duke Energy Progress, Inc. submits the enclosed Special Report in accordance with Plant Operating Manual PLP-114, "Relocated Technical Specifications and Design Basis Requirements," and Technical Specification 6.9.2, "Special Reports," for Shearon Harris Nuclear Power Plant, Unit 1. This Special Report concerns the functionality of the meteorological instrumentation.

This submittal contains no regulatory commitments. Please refer any questions regarding this submittal to John Caves at (919) 362-2406.

Sincerely, Benjamin C. Waldrep

Enclosure:

Meteorological Instrumentation Special Report cc: Mr. J. D. Austin, NRC Sr. Resident Inspector, HNP Ms. M. Barillas, NRC Project Manager, HNP Mr. V. M. McCree, NRC Regional Administrator, Region II

U.S. Nuclear Regulatory Commission Page 1 of 1 Serial HNP-15-059 Enclosure Shearon Harris Nuclear Power Plant, Unit 1 (HNP)

Docket No. 50-400/Renewed License No. NPF-63 Meteorological Instrumentation Special Report Description of Event On June 12, 2015, HNP personnel observed that the primary datalogger failed to calculate a 15-minute average message approximately once every 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />. Approximately once every 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, the installed primary datalogger cleared data and did not display active meteorological data for a time period of 15 minutes. The plant computer displayed NCAL with white text indicating bad data during this 15-minute period. The consequence of this condition was that the meteorological data was not available to Operations and the Emergency Response Organization for one 15-minute interval every 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> and alternate meteorological data, obtained from the Corporate Weather Group or the National Weather Service, would have been required as directed by procedures. From review of meteorological instrumentation trend data and datalogger stored data, the condition had been occurring intermittently since October 2012 but was not recognized previously. Meteorological instrumentation is identified in the HNP Operating Manual procedure PLP-114, Relocated Technical Specifications and Design Basis Requirements. Since the datalogger supporting the meteorological instrumentation was nonfunctional for greater than 7 days, a Special Report is required to be submitted per PLP-114 in accordance with Technical Specification 6.9.2, Special Reports.

Cause / Corrective Action The issue has been entered into the Corrective Action Program (CAP) for evaluation. The datalogger will be sent to the vendor for rigorous testing to determine the cause of the issue.

Another datalogger that does not exhibit this behavior has been installed and tested; this corrected the described condition. The instruments identified in PLP-114 will be returned to functional status supporting the Emergency Plan assessment capability upon acceptance by Operations that appropriate criteria are satisfied. Other issues impacting the functionality of meteorological instrumentation, but not subject to the special reporting requirements of PLP-114, will be resolved in the CAP.