ML13305A068

NRR E-mail Capture - Acceptance of LaSalle LAR Revise Loss of Voltage Relay Settings for 4.16 Kv ESF Buses (ME2791-92)

ML13305A068
Person / Time
Site:	LaSalle
Issue date:	10/31/2013
From:	Nicholas Difrancesco Plant Licensing Branch III
To:	Simpson L Exelon Corp
References
ME2791, ME2792
Download: ML13305A068 (2)

Text

NRR-PMDAPEm Resource From: DiFrancesco, Nicholas Sent: Thursday, October 31, 2013 3:50 PM To: 'Lisa.Simpson@exeloncorp.com' Cc: Tate, Travis; David Gullott (david.gullott@exeloncorp.com); DiFrancesco, Nicholas

Subject:

Acceptance of LaSalle LAR Re: Revise Loss of Voltage Relay Settings for 4.16 kV ESF Buses (ME2791-92)

Ms. Simpson, By letter dated September 20, 2013 (ADAMS Accession No. ML13266A107), Exelon Generation Company, LLC, submitted license amendment request (LAR) for LaSalle County Station, Units 1 and 2 (LSCS). The LAR proposes to revise LSCS technical specifications (TS) Table 3.3.8.1-1, "Loss of Power Instrumentation,"

allowable values for the 4.16 kV emergency buses - loss of voltage relay. The purpose of this message is to provide the results of the Nuclear Regulatory Commission (NRC) staff's acceptance review of this LAR. The acceptance review was performed to determine if there is sufficient technical information in scope and depth to allow the NRC staff to complete its detailed technical review. The acceptance review was also intended to identify whether the applications have any readily apparent information insufficiencies in its characterization of the regulatory requirements or the licensing basis of the plant.

Consistent with Section 50.90 of Title 10 of the Code of Federal Regulations (10 CFR), an amendment to the license must fully describe the changes requested and follow, as far as applicable, the form prescribed for original applications. Section 50.34 of 10 CFR addresses the content of technical information required. This section stipulates that the submittal address the design and operating characteristics, unusual or novel design features, and principal safety considerations.

The NRC staff has reviewed your application and has concluded that it provides technical information in sufficient detail to enable the NRC staff to proceed with its detailed technical review and make an independent assessment regarding the acceptability of the proposed amendments in terms of regulatory requirements and the protection of public health and safety and the environment. If additional information is needed for the NRC staff to complete its technical review, you will be advised by separate correspondence.

If you have any questions, please contact me at (301) 415-1115.

Sincerely, Nicholas DiFrancesco Project Manager Plant Licensing Branch III-2 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation 1

Hearing Identifier: NRR_PMDA Email Number: 897 Mail Envelope Properties (0046140293E11F408991442DB4FE25CAFD9B425100)

Subject:

Acceptance of LaSalle LAR Re: Revise Loss of Voltage Relay Settings for 4.16 kV ESF Buses (ME2791-92)

Sent Date: 10/31/2013 3:50:10 PM Received Date: 10/31/2013 3:50:12 PM From: DiFrancesco, Nicholas Created By: Nicholas.DiFrancesco@nrc.gov Recipients:

"Tate, Travis" <Travis.Tate@nrc.gov>

Tracking Status: None "David Gullott (david.gullott@exeloncorp.com)" <david.gullott@exeloncorp.com>

Tracking Status: None "DiFrancesco, Nicholas" <Nicholas.DiFrancesco@nrc.gov>

Tracking Status: None

"'Lisa.Simpson@exeloncorp.com'" <Lisa.Simpson@exeloncorp.com>

Tracking Status: None Post Office: HQCLSTR01.nrc.gov Files Size Date & Time MESSAGE 2229 10/31/2013 3:50:12 PM Options Priority: Standard Return Notification: No Reply Requested: No Sensitivity: Normal Expiration Date:

Recipients Received: