ML092240203

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One Time Extension of the Completion Time for 1J - 480 Volt AC Distribution Subsystem (ME1777) - Acceptance Review
ML092240203
Person / Time
Site: North Anna Dominion icon.png
Issue date: 08/12/2009
From: V Sreenivas
Division of Operating Reactor Licensing
To: Paula Blechman
Division of Operating Reactor Licensing
Sreenivas V.NRR/DORL/LPL2-1 415-2597
References
TAC ME1777
Download: ML092240203 (2)


Text

From: Sreenivas, V Sent: Wednesday, August 12, 2009 11:03 AM To: Blechman, Paula

Subject:

FW: NORTH ANNA, UNIT 1 - One time Extension of the Completion Time for 1"J"- 480 Volt AC Distribution Subsystem (ME1777) - Acceptance Review From: Sreenivas, V Sent: Wednesday, August 12, 2009 7:39 AM To: 'david.heacock@dom.com' Cc: 'Tom.Shaub@dom.com'; 'alan.price@dom.com'; Shoop, Undine; Harrison, Donnie; Wilson, George; El-Bassioni, Adel; Goel, Vijay; Cotton, Karen; Reece, James

Subject:

NORTH ANNA, UNIT 1 - One time Extension of the Completion Time for 1"J"- 480 Volt AC Distribution Subsystem (ME1777) - Acceptance Review

Dear Mr. Heacock:

By letter dated July 23, 2009 (Agencywide Documents and Access Management System Accession No. ML092050381), Virginia Electric and Power Company submitted a license amendment for North Anna Power Station, Unit 1. The proposed amendment will revise Technical Specification (TS) 3.8.9 Condition A, by adding a Note to allow a one-time 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> Completion Time to interrogate a failed breaker and the associated Unit 1 "J" 480 Volt emergency bus switchgear to ensure the emergency power system continues operation in a reliable condition for the remainder of the operating cycle.

The purpose of this e-mail is to provide the results of the U.S. Nuclear Regulatory Commission (NRC) staffs acceptance review of this amendment request. 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 is also intended to identify whether the application has 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 (including the technical specifications) must fully describe the changes requested, and following 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 concluded that it does provide technical information in sufficient detail to enable the staff to proceed with its detailed technical review and make an independent assessment regarding the acceptability of the proposed amendment 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) 415-2597.

Sincerely, VSreenivas

V. Sreenivas, PH.D., C.P.M.,

Project Manager, DORL/LPL2-1, (North Anna Nuclear Power Station)

Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission (301) 415-2597, v.sreenivas@nrc.gov Mail Stop: O8-G9A Docket No.: 50-338 Dated: July 12, 2009 E-mail Properties Mail Envelope Properties (AC3D8151B0831F4EAFFB2501B87BF90510CBBBD120)

Subject:

FW: NORTH ANNA, UNIT 1 - One time Extension of the Completion Time for 1"J"- 480 Volt AC Distribution Subsystem (ME1777) - Acceptance Review Sent Date: 8/12/2009 11:03:23 AM Received Date: 8/12/2009 11:03:23 AM From: Sreenivas, V Created By: V.Sreenivas@nrc.gov Recipients:

Paula.Blechman@nrc.gov (Blechman, Paula)

Tracking Status: None Post Office:

HQCLSTR02.nrc.gov Files Size Date & Time MESSAGE 19331 8/12/2009 Options Expiration Date:

Priority: olImportanceNormal ReplyRequested: False Return Notification: False Sensitivity: olNormal Recipients received: