ML22111A313

NRR E-mail Capture - NRC Request for Additional Information - Susquehanna License Amendment Request

ML22111A313
Person / Time
Site:	Susquehanna
Issue date:	04/21/2022
From:	Audrey Klett NRC/NRR/DORL/LPL4
To:	Jurek S Susquehanna
Klett A
References
L-2021-LLA-0184
Download: ML22111A313 (3)

Text

From: Klett, Audrey Sent: Thursday, April 21, 2022 11:08 AM To: Jurek, Shane

Subject:

NRC Request for Additional Information - Susquehanna License Amendment Request (EPID L-2021-LLA-0184)

Attachments: L-2021-LLA-0184 Susquehanna LAR RAIs.docx

Shane, By letter dated October 5, 2021 (ML21279A026), as supplemented by letter dated December 16, 2021 (ML21350A265), Susquehanna Nuclear, LLC (the licensee) submitted a license amendment request for the Susquehanna Steam Electric Station, Units 1 and 2 to revise the Technical Specifications (TS) allowable values for the emergency core cooling systems instrumentation, core spray and low pressure coolant injection reactor steam dome pressure -

low instrumentation functions 1.c, 1.d, 2.c, and 2.d, in TS Table 3.3.5.1-1.

In response to the U.S. Nuclear Regulatory Commissions (NRCs) audit plan dated March 4, 2022 (ML22056A012), the licensee provided responses to NRCs audit questions, including calculations, in its Web-based audit portal. The NRC staff has reviewed the information provided by the licensee on its audit portal and has determined that the NRC needs the additional information to complete its review of the LAR. Attached is the NRC staffs request for additional information (RAI).

As discussed with you via email on April 18, 2022, NRC is requesting the licensee to respond to the RAI on or by May 31, 2022.

Please let me know if you have any questions.

Audrey Klett, Senior Project Manager U.S. Nuclear Regulatory Commission Office of Nuclear Reactor Regulation Division of Operating Reactor Licensing Plant Licensing Branch 1 301-415-0489

Hearing Identifier: NRR_DRMA Email Number: 1603 Mail Envelope Properties (BLAPR09MB6067E4688FA16779727555BE87F49)

Subject:

NRC Request for Additional Information - Susquehanna License Amendment Request (EPID L-2021-LLA-0184)

Sent Date: 4/21/2022 11:07:41 AM Received Date: 4/21/2022 11:07:00 AM From: Klett, Audrey Created By: Audrey.Klett@nrc.gov Recipients:

"Jurek, Shane" <Shane.Jurek@talenenergy.com>

Tracking Status: None Post Office: BLAPR09MB6067.namprd09.prod.outlook.com Files Size Date & Time MESSAGE 1399 4/21/2022 11:07:00 AM L-2021-LLA-0184 Susquehanna LAR RAIs.docx 35385 Options Priority: Normal Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

REQUEST FOR ADDITIONAL INFORMATION (RAI)

SUSQUEHANNA STEAM ELECTRIC STATION, UNITS 1 AND 2 DOCKET NOS. 05000387 and 05000388 EPID NO. L-2021-LLA-0184 By letter dated October 5, 2021 (Agencywide Documents Access and Management System (ADAMS) Accession No. ML21279A026), as supplemented by letter dated December 16, 2021 (ADAMS Accession No. ML21350A265), Susquehanna Nuclear, LLC (the licensee) submitted a license amendment request for the Susquehanna Steam Electric Station, Units 1 and 2 to revise the Technical Specifications (TS) allowable values for the emergency core cooling systems instrumentation, core spray and low pressure coolant injection reactor steam dome pressure - low instrumentation functions 1.c, 1.d, 2.c, and 2.d, in TS Table 3.3.5.1-1.

In response to the U.S. Nuclear Regulatory Commissions (NRCs) audit plan dated March 4, 2022 (ADAMS Accession No. ML22056A012), the licensee provided responses to NRCs audit questions, including calculations, in its Web-based audit portal. The NRC staff has reviewed the information provided by the licensee on its audit portal and has determined that the NRC needs the following additional information to complete its review of the LAR.

RAI-1

In its license amendment request, the licensee proposed to increase the upper analytical limit (UAL) from the current value of 440 pounds per square inch gauge (psig) to 445 psig. The NRC staff requests the licensee to describe how it calculated the proposed UAL of 445 psig and justify the acceptability of the proposed UAL. The staff requests the licensee to include the information from the licensees audit question response posted in the audit portal.

RAI-2

The NRC staff requests the licensee to provide the following information pertaining to the calculations posted in the audit portal.

a. Pages 14 to 21 of Appendix A to Calculation EC-080-1006, Revision 3, for Unit 1.

b. Pages 14 to 21 of Appendix A to Calculation EC-080-1007, Revision 4, for Unit 2.