ML20239A798

NRR E-mail Capture - Exelon Generation Company, LLC - Fleet License Amendment Request to Adopt TSTF-568, Revision 2

ML20239A798
Person / Time
Site:	Dresden, Peach Bottom, Nine Mile Point, Limerick, Quad Cities, LaSalle
Issue date:	08/25/2020
From:	Blake Purnell NRC/NRR/DORL/LPL3
To:	Henderson P Exelon Generation Co
References
L-2020-LLA-0096
Download: ML20239A798 (3)

Text

From: Purnell, Blake Sent: Tuesday, August 25, 2020 11:24 AM To: Henderson, Phillip A:(Exelon Nuclear)

Cc: Simpson, Patrick R.:(GenCo-Nuc); Salgado, Nancy

Subject:

Exelon Generation Company, LLC - Fleet License Amendment Request to Adopt TSTF-568, Revision 2 (EPID L-2020-LLA-0096)

Attachments: RAI Exelon TSTF-568.pdf Mr. Henderson, By application dated April 30, 2020 (Agencywide Documents Access and Management System (ADAMS)

Accession No. ML20121A274), Exelon Generation Company, LLC (Exelon) submitted a license amendment request for Dresden Nuclear Power Station, Units 2 and 3; LaSalle County Station, Units 1 and 2; Limerick Generating Station, Units 1 and 2; Nine Mile Point Nuclear Station, Unit 2; Peach Bottom Atomic Power Station, Units 2 and 3; and Quad Cities Nuclear Power Station, Units 1 and 2. The proposed amendments would revise the technical specifications (TSs) for each facility based on Technical Specification Task Force (TSTF) traveler TSTF-568, Revision 2, Revise Applicability of BWR/4

[Boiling-Water Reactor/Type 4] TS 3.6.2.5 and TS 3.6.3.2 (ADAMS Accession No. ML19141A122).

The U.S. Nuclear Regulatory Commission staff is reviewing the application and has determined that additional information is needed to complete the review. A response to the attached request for additional information is requested to be provided within 30 days from the date of this email. If you have any questions, please contact me by email or phone at (301) 415-1380.

Sincerely, Blake Purnell, Project Manager Plant Licensing Branch III Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Docket Nos. 50-237, 50-249, 50-373, 50-374, 50-352, 50-353, 50-410, 50-277, 50-278, 50-254, and 50-265 OFFICE NRR/DORL/LPL3/PM NRR/DSS/STSB/BC NRR/DORL/LPL3/BC NAME BPurnell VCusumano NSalgado DATE 8/25/20 8/14/20 8/19/20

Hearing Identifier: NRR_DRMA Email Number: 755 Mail Envelope Properties (CH2PR09MB4361EC9B8798BD8310AB6DC8E6570)

Subject:

Exelon Generation Company, LLC - Fleet License Amendment Request to Adopt TSTF-568, Revision 2 (EPID L-2020-LLA-0096)

Sent Date: 8/25/2020 11:24:06 AM Received Date: 8/25/2020 11:24:06 AM From: Purnell, Blake Created By: Blake.Purnell@nrc.gov Recipients:

"Simpson, Patrick R.:(GenCo-Nuc)" <patrick.simpson@exeloncorp.com>

Tracking Status: None "Salgado, Nancy" <Nancy.Salgado@nrc.gov>

Tracking Status: None "Henderson, Phillip A:(Exelon Nuclear)" <Phillip.Henderson@exeloncorp.com>

Tracking Status: None Post Office: CH2PR09MB4361.namprd09.prod.outlook.com Files Size Date & Time MESSAGE 1637 8/25/2020 11:24:06 AM RAI Exelon TSTF-568.pdf 82763 Options Priority: Normal Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

REQUEST FOR ADDITIONAL INFORMATION LICENSE AMENDMENT REQUEST TO ADOPT TSTF-568 DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 LASALLE COUNTY STATION, UNITS 1 AND 2 LIMERICK GENERATING STATION, UNITS 1 AND 2 NINE MILE POINT NUCLEAR STATION, UNIT 2 PEACH BOTTOM ATOMIC POWER STATION, UNITS 2 AND 3 QUAD CITIES NUCLEAR POWER STATION, UNITS 1 AND 2 DOCKET NOS. 50-237, 50-249, 50-373, 50-374, 50-352, 50-353, 50-410, 50-277, 50-278, 50-254, and 50-265 By application dated April 30, 2020 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML20121A274), Exelon Generation Company, LLC (Exelon) submitted a license amendment request for Dresden Nuclear Power Station (Dresden), Units 2 and 3; LaSalle County Station, Units 1 and 2; Limerick Generating Station, Units 1 and 2; Nine Mile Point Nuclear Station, Unit 2; Peach Bottom Atomic Power Station, Units 2 and 3; and Quad Cities Nuclear Power Station (Quad Cities), Units 1 and 2. The proposed amendments would revise the technical specifications (TSs) for each facility based on Technical Specification Task Force (TSTF) traveler TSTF-568, Revision 2, Revise Applicability of BWR/4 [Boiling-Water Reactor/Type 4] TS 3.6.2.5 and TS 3.6.3.2 (ADAMS Accession No. ML19141A122).

The proposed changes to TS 3.6.2.5, Drywell-to-Suppression Chamber Differential Pressure, for Dresden and Quad Cities include increasing the completion time for required action B.1 from 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> to 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />. However, this change is not included in TSTF-568, Revision 2, and the application does not provide any justification for this change. In order for the U.S. Nuclear Regulatory Commission staff to complete its review of the application, the staff requests that Exelon provide justification for this change.