ML070520355

Supplemental Information in Support of Proposed Change to Applicability of Pilgrim'S Pressure-Temperature Curves as Described in Technical Specification Figures 3.6.1, 3.6.2, and 3.6.3

ML070520355
Person / Time
Site:	Pilgrim
Issue date:	02/12/2007
From:	Balduzzi M Entergy Nuclear Operations
To:	Document Control Desk, NRC/NRR/ADRO
References
2.07.012, TAC MD1218
Download: ML070520355 (3)

Text

6v Entergy Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station 600 Rocky Hill Road Plymouth, MA 02360 Michael A. Balduzzi February 12, 2007 Site Vice President U.S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555-0001

SUBJECT:

Entergy Nuclear Operations, Inc.

Pilgrim Nuclear Power Station Docket No. 50-293 License No. DPR-35 Supplemental Information In Support of Proposed Change to Applicability of Pilgrim's Pressure-Temperature Curves as Described in Technical Specification Figures 3.6.1, 3.6.2, and 3.6.3

REFERENCE:

1. Entergy Letter No. 2.07.006, Proposed Change to Applicability of Pilgrim's Pressure-Temperature Curves as Described in Technical Specification Figures 3.6.1, 3.6.2, and 3.6.3, Revision 1, dated January 15, 2007 (TAC No. MD1218)

LETTER NUMBER: 2.07.012

Dear Sir or Madam:

The attachment provides supplemental information in support of Entergy's proposed license amendment to change the applicability of Pilgrim's pressure-temperature (P-T) curves described in Technical Specification Figures 3.6.1, 3.6.2, and 3.6.3 (Reference 1).

Based on discussions with the NRC staff, Entergy is revising the commitments to reflect that the Regulatory Guide 1.190 guidance will be used in the development of the revised P-T curves.

The commitments made in this letter are contained in Attachment 1.

This supplemental information does not invalidate the no significant hazards consideration determination included in Reference 1.

If you have any questions or require additional information, please contact Bryan Ford at (508) 830-8403.

I declare under penalty of perjury that the foregoing is true and correct. Executed on the

,..,4A day of . 2007.

Sincerely, Michael A. Balduzzi WGL/dl Iya

Entergy Nuclear Operations, Inc. Letter Number: 2.07.012 Pilgrim Nuclear Power Station Page 2 of 2 : List of Regulatory Commitments - 1 page cc: Mr. James Kim, Project Manager Plant Licensing Branch I-1 Division of Operating Reactor Licensing Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission 1 White Flint North O-8C2 11555 Rockville Pike Rockville, MD 20852 Mr. Robert Walker, Director Massachusetts Department of Public Health Schrafft Center Suite 1M2A Radiation Control Program 529 Main Street Charlestown, MA 02129 U.S. Nuclear Regulatory Commission Region 1 475 Allendale Road King of Prussia, PA 19408 Mr. Ken McBride, Director Mass. Emergency Management Agency 400 Worcester Road Framingham, MA 01702 Senior Resident Inspector Pilgrim Nuclear Power Station

ATTACHMENT 1 Letter Number 2.07.012 LIST OF REGULATORY COMMITMENTS (Revised Commitments from Entergy Letter 2.07.006)

The following table identifies those actions committed to by Entergy in this document. Any other statements in this submittal are provided for information purposes and are not considered to be regulatory commitments.

REGULATORY COMMITMENTS DUE DATE Submit to the NRC an action plan to improve 9/15/2007 benchmarking data to support approval of new P-T curves for Pilgrim using R.G. 1.190 guidance.

Submit updated P-T curves for Pilgrim to the 6/8/2010 NRC for approval.