RS-11-180, Response to NRC Bulletin 2011-01

Response to NRC Bulletin 2011-01

ML113550139
Person / Time
Site:	Dresden, Peach Bottom, Oyster Creek, Byron, Three Mile Island, Braidwood, Limerick, Clinton, Quad Cities, LaSalle
Issue date:	12/20/2011
From:	Jury K Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
Shared Package
ML113550145	List: RS-11-180, Response to NRC Bulletin 2011-01
References
IEB-11-001, RA-11-96, RS-11-180, TMI-11-165
Download: ML113550139 (5)

Text

---e ExeJon Generation 4300 Winfield Road www.cxeloncorp.com Nuclear Warrenville, ll60 555 Security~Related Information - Withhold Under 10 CFR 2.390 10 CFR 50.54(f)

RS-11-180 RA-11~096 TMI-11-165 December 20,2011 U.S. Nuclear Regulatory Commission AnN: Document Control Desk 11555 Rockville Pike Rockville, MD 20852 Braidwood Station, Units 1 and 2 Facility Operating License Nos. NPF~72 and NPF~77 NRC Docket Nos. STN 50-456 and STN 50-457 Byron Station, Units 1 and 2 Facility Operating License Nos. NPF*37 and NPF~66 NRC Docket Nos. STN 50~454 and STN 50~455 Clinton Power Station, Unit 1 Facility Operating License No. NPF-62 NRC Docket No. 50~461 Dresden Nuclear Power Station, Units 2 and 3 Renewed Facility Operating License Nos. DPR~19 and DPR-25 NRC Docket Nos. 50-237 and 50~249 LaSalle County Station, Units 1 and 2 Facility Operating License Nos. NPF-11 and NPF*18 NRC Docket Nos. STN 50-373 and STN 50-374 Limerick Generating Station, Units 1 and 2 Facility Operating License Nos. NPF-39 and NPF*85 NRC Docket Nos. 50-352 and 50~353 Oyster Creek Nuclear Generating Station Renewed Facility Operating License No. DPR-16 NRC Docket No. 50~219 Peach Bottom Atomic Power Station, Units 2 and 3 Renewed Facility Operating License Nos. DPR~44 and DPR~56 NRC Docket Nos. 50~277 and 50-278 Security-Related Information - Withhold Under 10 CFR 2.390 Attachments 1 through 8 contain Sensitive Unclassified Non-Safeguards Information (SUNSI): upon separation this cover letter is decontrolled.

Security-Related Information - Withhold Under 10 CFR 2.390 u.s. Nuclear Regulatory Commission Bulletin 2011-01 Response to Request for Additional Information December 20, 2011 Page 2 Quad Cities Nuclear Power Station, Units 1 and 2 Renewed Facility Operating License Nos. DPR-29 and DPR-30 NRC Docket Nos. 50-254 and 50-265 Three Mile Island Nuclear Station, Unit 1 Renewed Facility Operating License No. DPR-50 NRC Docket No. 50-289

Subject:

Response to Request for Additional Information Involving Exelon's 60-Day Response to NRC Bulletin 2011-01, "Mitigating Strategies"

References:

1) NRC Bulletin 2011-01, "Mitigating Strategies, "dated May 11 , 2011 (ML111250360)

2) Letter from Keith R. Jury, Exelon Generation Company, LLC, to U.S. Nuclear Regulatory Commission Day Response to NRC Bulletin 2011-01 ,

"Mitigating Strategies, " dated June 8, 2011 (ML111600096)

3) Letter from Keith R. Jury, Exelon Generation Company, LLC, to U.S. Nuclear Regulatory Commission ~ 60-Day Response to NRC Bulletin 2011-01 ,

"Mitigating Strategies, " dated July 8, 2011 (ML111920162)

4) Letter from Joel S. Wiebe, U.S. Nuclear Regulatory Commission to Michael J. Pacilio, Exelon Generation Company, LLC - Braidwood Station, Units 1 and 2; Byron Station, Unit Nos. 1 and 2; Clinton Power Station, Unit No.1; Dresden Nuclear Power Station, Units 2 and 3; LaSalle County Station, Units 1 and 2; Limerick Generating Station, Units 1 and 2; Oyster Creek Nuclear Generating Station; Peach Bottom Atomic Power Station, Units 2 and 3; Quad Cities Nuclear Power Station, Units 1 and 2; and Three Mile Island Nuclear Station, Unit 1 - Bulletin 2011-01, "Mitigating Strategies" Request for Additional Information Regarding 60-Day Response, dated November 22, 2011 (ML113120057)

On May 11 , 2011 , the U.S. Nuclear Regulatory Commission (NRC) issued Bulletin 2011-01 ,

"Mitigating Strategies" (Reference 1). The NRC issued this bulletin to achieve the following objectives:

1. To require that addressees provide a comprehensive verification of their compliance with the regulatory requirements of Title 10 of the Code of Federal Regulations (10 CFR)

Section 50.54(hh)(2),

Security-Related Information - Withhold Under 10 CFR 2.390 Attachments 1 through 8 contain Sensitive Unclassified Non-Safeguards Information (SUNSI); upon separation this cover letter is decontrolled.

Security-Related Information - Withhold Under 10 CFR 2.390 u.s. Nuclear Regulatory Commission Bulletin 2011-01 Response to Request for Additional Information December 20, 2011 Page 3

2. To notify addressees about the NRC staffs need for information associated with licensee mitigating strategies under 10 CFR 50.54(hh)(2) in light of the recent events at Japan's Fukushima Daiichi facility in order to determine if 1) additional assessment of program implementation is needed, 2) the current inspection program should be enhanced, or 3) further regulatory action is warranted, and

3. To require that addressees provide a written response to the NRC in accordance with 10 CFR 50.54(f).

In Bulletin 2011-01, the NRC requested that each licensee submit a written response within 30 days of the date of the bulletin, which Exelon Generation Company, LLC (Exelon) submitted on June 8, 2011 (Reference 2). The bulletin also requested that each licensee submit a written response within 60 days of the date of the bulletin, which Exelon submitted on July 8, 2011 (Reference 3).

Subsequently, by letter dated November 22,2011 (Reference 4), the NRC issued a request for additional information regarding Exelon's 60-day response to the bulletin, in which the NRC requested a response within 30 days of the date of the Reference 4 letter.

Accordingly, the attachments to this letter contain the response to the requested information pursuant to the provisions of 10 CFR 50.54(f) for the applicable Exelon facilities listed below:

• Braidwood Station, Units 1 and 2

• Byron Station, Units 1 and 2

• Clinton Power Station, Unit 1

• Dresden Nuclear Power Station, Units 2 and 3

• Limerick Generating Station, Units 1 and 2

• Oyster Creek Nuclear Generating Station

• Quad Cities Nuclear Power Station, Units 1 and 2

• Three Mile Island Nuclear Station, Unit 1 The NRC, in the Reference 4 letter, indicated that there were no questions regarding the completeness of the responses for LaSalle County Station, Units 1 and 2, and Peach Bottom Atomic Power Station, Units 2 and 3. As a result, there is no request for additional information or a response needed for these stations.

The attachments to this letter contain Sensitive Unclassified Non-Safeguards Information (SUNSI) and the information should be withheld from public disclosure in accordance with the requirements of 10 CFR 2.390. The pages have been marked accordingly with the notation "Security-Related Information - Withhold Under 10 CFR 2.390."

Security-Related Information - Withhold Under 10 CFR 2.390 Attachments 1 through 8 contain Sensitive Unclassified Non-Safeguards Information (SUNSI); upon separation this cover letter is decontrolled.

Security-Related Information - Withhold Under 10 CFR 2.390 U.S. Nuclear Regulatory Commission Bulletin 2011-01 Response to Request for Additional Information December 20, 2011 Page 4 There are no regulatory commitments contained in this response.

If there are any questions concerning this response, please contact David P. Helker at (610) 765.. 5525.

I declare under penalty of perjury that the foregoing is true and correct. Executed on the 20th day of December 2011 .

Respectfully, K~l.~~

Vice President, Licensing and Regulatory Affairs Exelon Generation Company, LLC - Braidwood Station Response to Request for Additional Information - Byron Station Response to Request for Additional Information .. Clinton Power Station Response to Request for Additional Information - Dresden Nuclear Power Station Response to Request for Additional Information - Umerick Generating Station Response to Request for Addjtional Information .. Oyster Creek Nuclear Generating Station Response to Request for Additional Information - auad Cities Nuclear Power Station Response to Request for Additional Information . . Three Mile Island Nuclear Station, Unit 1 Response to Request for Additional Information Security-Related Information - Withhold Under 10 CFR 2.390 Attachments 1 through 8 contain Sensitive Unclassified Non-Safeguards Information (SUNSI); upon separation this cover Jetter is decontrolled.

Security-Related Information Withhold Under 10 CFR 2.390 u.s. Nuclear Regulatory Commission Bulletin 2011-01 Response to Request for Additional Information December 20, 2011 Page 5 cc: Regional Administrator - NRC Region I Regional Administrator - NRC Region III NRC Senior Resident Inspector - Braidwood Station NRC Senior Resident Inspector - Byron Station NRC Senior Resident Inspector - Clinton Power Station NRC Senior Resident Inspector - Dresden Nuclear Power Station NRC Senior Resident Inspector - LaSalle County Station NRC Senior Resident Inspector - Limerick Generating Station NRC Senior Resident Inspector - Oyster Creek Nuclear Generating Station NRC Senior Resident Inspector - Peach Bottom Atomic Power Station NRC Senior Resident Inspector - Quad Cities Nuclear Power Station NRC Senior Resident Inspector - Three Mile Island Nuclear Station, Unit 1 NRC Project Manager, NRR - Braidwood Station NRC Project Manager, NRR - Byron Station NRC Project Manager, NRR - Clinton Power Station NRC Project Manager, NRR - Dresden Nuclear Power Station NRC Project Manager, NRR - LaSalle County Station NRC Project Manager, NRR - Limerick Generating Station NRC Project Manager, NRR - Oyster Creek Nuclear Generating Station NRC Project Manager, NRR - Peach Bottom Atomic Power Station NRC Project Manager, NRR - Quad Cities Nuclear Power Station NRC Project Manager, NRR - Three Mile Island Nuclear Station, Unit 1 Illinois Emergency Management Agency - Division of Nuclear Safety Director, Bureau of Radiation Protection - Pennsylvania Department of Environmental Resources Director, Bureau of Nuclear Engineering - New Jersey Department of Environmental Protection Chairman, Board of County Commissioners of Dauphin County, PA Chairman, Board of Supervisors of Londonderry Township, PA Mayor of Lacey Township, Forked River, NJ S. T. Gray, State of Maryland R. R. Janati, Commonwealth of Pennsylvania Security-Related Information - Withhold Under 10 CFR 2.390 Attachments 1 through 8 contain Sensitive Unclassified Non-Safeguards Information (SUNSI); upon separation this cover letter is decontrolled.