NRC 2006-0045, Correction to Inservice Inspection Summary Report

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Correction to Inservice Inspection Summary Report
ML061430348
Person / Time
Site: Point Beach NextEra Energy icon.png
Issue date: 05/15/2006
From: Koehl D
Nuclear Management Co
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
NRC 2006-0045, U1R28
Download: ML061430348 (2)


Text

sym Commitd toMNuearExec Point Beach Nuclear Plant Operated by Nuclear Management Company, LLC May 15, 2006 NRC 2006-0045 10 CFR 50.55a U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555 Point Beach Nuclear Plant, Unit 1 Docket 50-266 License No. DPR-24 Correction to Inservice Inspection Summary Report for Point Beach Nuclear Plant Refueling Outaae U1R28 On September 7, 2004, Nuclear Management Company, LLC (NMC), submitted Inservice Inspection Summary Reports for inspections conducted prior to and during the Point Beach Nuclear Plant (PBNP) refueling outage U1 R28 that concluded on June 8, 2004. It has subsequently been identified that data submitted in Enclosure 2, Table 1, Abstract of Examinations and Tests, for Examination Category E-D, requires correction regarding the total number of examinations required and credited for the Interval.

The enclosure to this letter contains a corrected Table 1, Abstract of Examinations and Tests.

This letter contains no new commitments and no revisions to existing commitments.

Dennis L. Koehl Site Vice-President, Point B ch Nuclear Plant Nuclear Management Company, LLC Enclosure cc:

Administrator, Region ll, USNRC Project Manager, Point Beach Nuclear Plant, USNRC Resident Inspector, Point Beach Nuclear Plant, USNRC PSCW Mike Verhagen, State of Wisconsin 6610 Nuclear Road

  • Two Rivers, Wisconsin 54241-9516 140(47 Telephone: 920.755.2321

Table 1 Abstract of Examinations and Tests

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-I, Total Total Examination Total Examinations Total Examinations Examinations Category Examinations Credited for this Credited (%) for the Credited (%) to Required for the Period Period Date for the Remarks Interval Interval The number of liner plates examined, expressed as a percentage of exams, does not correlate to the containment surface area examined, expressed as a percentage of surface area. This is because the E-A 157 24 13%'

74%'

containment liner consists of different size liner plates; therefore, surface area will vary from plate to plate. The percentages reflect the surface area of the plates that were examined and not the percentages of the number of examinations performed.

Containment Penetration Welds, Examination Category E-B examination requirements specified in ASME Section Xi Code are not E-B NIA N(A NMA N/A required. Examination Category E-A requirements are considered sufficient to identify any degraded conditions for containment

.penetration welds.

E-C 34 0

0 67%

Approximately 100 % are examined each period The examinations percentages do not meet the IWE-2412-1 inspection program B examinations percentages because of the use of the authorized Relief Request # ERR-1. Exam category E-D, Item Number E-D 68 01 01 46%

E5.10 and E5.20 were examined in accordance with ERR-1 starting after September 14, 2001. The use of this ERR was authorized by the NRC in the safety evaluation for relief requests for the containment inspection program. (Dated September 14,2001)

Pressure Retaining Dissimilar Metal Welds, Examination Category E-F E-F NIA NIA NMA NMA requirements specified in ASME Section Xl Code are not required and shall not be implemented by PBNP.

The examinations percentages do not meet the IWE-2412-1 inspection program B examinations percentages because of the use of the authorized Relief Request # ERR-6. Exam category E-G, Item Number E-G 38 0'

01 21%

E8.20 was examined in accordance with ERR-6 starting after September 14, 2001. The use of this ERR was authorized by the NRC in the safety evaluation for relief requests for the containment inspection program. (Dated September 14, 2001)

This is covered by PBNP's Containment Leakage Rate Testing Program (CLRT), which implements 10 CFR 50 Appendix J. AN Examination E-P See remarks See remarks See remarks See remarks Category E-P pressure retaining components are tested in accordance with 10 CFR 50 Appendix J, Option B and scheduled as directed by the CLRT program.

Refer to the remarks column All percentages are rounded to the nearest 1%.

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