ML13192A445

LaSalle County Station, Unit 2, Supplemental Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi

ML13192A445
Person / Time
Site:	LaSalle
Issue date:	06/19/2013
From:	Kaegi G T Exelon Generation Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RS-13-097
Download: ML13192A445 (3)

Text

,AdW A0 ExeLon Generation 10 CFR 50.54(f)RS-1 3-097 June 19, 2013 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852 LaSalle County Station, Unit 2 Facility Operating License No. NPF-18 NRC Docket No. 50-374

Subject:

Supplemental Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident

References:

1. Exelon Generation Company, LLC 180-day Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding the Seismic Aspects of Recommendation 2.3 of the Near-Term Task force Review of Insights from the Fukushima Dai-ichi Accident, dated November 27, 2012 (RS-12-163)

2. NRC Letter, Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Recommendations 2.1, 2.3, and 9.3, of the Near-Term Task Force Review of Insights from the Fukushima Dai-ichi Accident, dated March 12, 2012 In Reference 1, Exelon Generation Company, LLC (EGC) provided the LaSalle County Station, Units 1 and 2 seismic walkdown reports in accordance with the NRC Request for Information (Reference 2). The LaSalle County Station, Units 1 and 2 seismic walkdown reports verify current plant configuration with current licensing basis, and verify the adequacies of monitoring and maintenance procedures.

In Table E-1 of Enclosure 2 of Reference 1, EGC provided the list of the seven (7) LaSalle County Station Unit 2 items that were deferred due to inaccessibility.

EGC committed to complete the walkdown inspection of these seven (7) items during the L2R14 Refueling Outage (Spring 2013). In Table E-2 of Enclosure 2 of Reference 1, EGC provided the list of the twenty-three (23) LaSalle County Station Unit 2 electrical cabinets that required supplemental inspections for which five (5) were completed.

EGC committed to complete the remaining eighteen (18) supplemental inspections of these electrical cabinets by L2R15 Refueling Outage (Spring 2015).

U.S. Nuclear Regulatory Commission Supplemental Response to 50.54(f) Letter NTTF Recommendation 2.3: Seismic June 19, 2013 Page 2 This letter provides the results of the completed walkdown inspections performed for the seven (7) LaSalle County Station Unit 2 items identified in Table E-1 of Enclosure 2 of Reference 1.These inspections were completed during the L2R14 Refueling Outage (Spring 2013).Additionally, this letter provides the supplemental internal inspection updates on the eighteen (18) remaining LaSalle County Station Unit 2 electrical cabinets identified in Table E-2 of Enclosure 2 of Reference 1, with thirteen (13) items completed.

Five (5) supplemental internal electrical cabinet inspections remain for LaSalle County Station Unit 2.No conditions were identified during the walkdowns that required entry into the corrective action program.No degraded, nonconforming, or unanalyzed conditions that required either immediate or follow up actions were identified.

Enclosure 1 to this letter provides the updated LaSalle County Station Unit 2 Seismic Walkdown Report incorporating the results of the completed walkdowns of the seven (7) LaSalle County Station Unit 2 items identified in Table E-1 of Enclosure 2 of Reference 1, and the results of thirteen (13) completed supplemental internal electrical cabinet inspections identified in Table E-2 of Enclosure 2 of Reference

1. This report completes Regulatory Commitment No. 2 contained in Reference

1. The remaining five (5) supplemental internal electrical cabinet inspections for LaSalle County Station Unit 2 are listed in Table AE-2 of Enclosure 1 of this letter and will be inspected as previously committed.

This letter contains no new regulatory commitments.

Should you have any questions concerning the content of this letter, please contact Ron Gaston at (630) 657-3359.I declare under penalty of perjury that the foregoing is true and correct. Executed on the 19th day of June 2013.Respectfully, Glen T. Kaegi Director -Licensing

& Regulatory Affairs Exelon Generation Company, LLC

Enclosures:

1. Updated Transmittal

1. 1 (Annex A) Seismic Walkdown Report In Response To The 50.54(f) Information Request Regarding Fukushima Near-Term Task Force Recommendation 2.3: Seismic for the LaSalle County Station Station, Unit 2, Report No. RS-13-097 U.S. Nuclear Regulatory Commission Supplemental Response to 50.54(f) Letter NTTF Recommendation 2.3: Seismic June 19, 2013 Page 3 cc: Director, Office of Nuclear Reactor Regulation Regional Administrator

-NRC Region III NRC Senior Resident Inspector

-LaSalle County Station NRC Project Manager, NRR -LaSalle County Station Illinois Emergency Management Agency -Division of Nuclear Safety