ML101200204

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Preservice Inspection Program Plan and Additional Information
ML101200204
Person / Time
Site: Watts Bar Tennessee Valley Authority icon.png
Issue date: 04/20/2010
From: Bajestani M
Tennessee Valley Authority
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML101200204 (3)


Text

Tennessee Valley Authority, Post Office Box 2000, Spring City, TN 37381-2000 April 20, 2010 10 CFR 50.55 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Stop: OWFN P1-35 Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 2 NRC Docket No. 50-391 Subject WATTS BAR NUCLEAR PLANT (WBN) UNIT 2-PRESERVICE INSPECTION PROGRAM PLAN AND ADDITIONAL INFORMATION

References:

1. TVA letter dated October 30, 2008, 'Watts Bar Nuclear Plant (WBN) -

Unit 2 - Preservice Inspection Program Plan and Request for Relief No. WBN-2/PDI-4"

2. NRC letter to TVA dated April 22, 2009, "Termination of Review of Watts Bar 2 Preservice Inspection Plan (TAC NO. ME0500)"
3. TVA letter to NRC dated January 11, 2010, 'Watts Bar Nuclear Plant (WBN) - Unit 2 - Final Safety Analysis Report Amendment 97" By letter dated October 30, 2008, TVA transmitted an information copy of the WBN Unit 2 Preservice Inspection Program. NRC review of that submittal resulted in an NRC letter (Reference 2), which requested additional information.

This letter provides the status of the information requested by NRC in Enclosure 1 and includes Revision 2 of the Preservice Inspection Program as Enclosure 2. Enclosure 3 provides Flow Diagrams with Class Boundaries and the ANS Safety Class and Code Jurisdiction for each of the piping system classifications is provided in Enclosure 4. includes the Technical Specifications and the Steam Generator Tubing Program Plan.

Printed on recycled paper

U.S. Nuclear Regulatory.Commission Page 2 April 20, 2010 provides a list of open items required for licensing identified in this letter.

If you have any questions, please contact me at (423) 365-2351.

Sincerely, Masoud

  • stani Watts B r nit 2 Vice President

Enclosures:

1. Response to Request for Additional Information Regarding Preservice Inspection Program Plan
2. PSI Program Plan
3. Flow Diagrams With Class Boundaries
4. Watts Bar Nuclear Plant Units 1 and 2 Piping System Classification
5. Technical Specifications and Steam Generator Tubing Program Plan
6. List of Commitments cc (Enclosures):

U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Forsyth Street, SW, Suite 23T85 Atlanta, Georgia 30303-1257 NRC Resident Inspector Unit 2 Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381 Response to Request for Additional Information Regarding Preservice Inspection Program Plan Tennessee Valley Authority Watts Bar Nuclear Plant - Unit 2, Docket No. 50-391 Note: Section 5.2.4 of the Final Safety Analysis Report was submitted in Amendment 97 (Reference 3).

1.

NRC Request Explain clearly which Code including edition and addenda, is to be used for preservice examination and testing of snubbers (ASME Section Xl, Article IWF-5000 or ASME OM, Subsection ISTD); and which document will be used to examine integral and non-integral attachments of snubbers including lugs, pins, bolting and clamps.

TVA Response TVA will provide this information in the next revision to the Preservice Inspection Program Plan no later than June 15, 2010.

2.

NRC Request Provide color coded Piping Isometric Drawings, Piping & Instrumentation Diagrams, or Piping Drawings that identify classification and boundaries of ASME Code Class 1, 2, and 3 piping.

TVA Response Drawings marked with TVA classification are being provided as Enclosure 3 to this letter. Additionally, Enclosure 4 provides the ANS Safety Class and Code Jurisdiction for each of the classifications.

3.

NRC Request Provide the information specified in ASME Code,Section XI, IWA-2420, Inspection Plans and Schedules.

TVA Response TVA will provide this information no later than June 15, 2010.

4.

NRC Request Section 3.4.1.3 references the Technical Specifications and the Steam Generator Tubing Program Plan. Provide this information or, if already submitted, provide a specific reference to the submittal that provided this information.

TVA Response Technical Specifications and Steam Generator Tubing Program Plan are provided as Enclosure 5 to this submittal.