ML13127A216
| ML13127A216 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 05/02/2013 |
| From: | Hruby R Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML13127A216 (2) | |
Text
Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000 May 2, 2013 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 2 NRC Docket No. 50-391
Subject:
WATTS BAR NUCLEAR PLANT (WBN) UNIT 2, SERVICE AIR SYSTEM (SYSTEM 033) TRANSITION FROM ASME SECTION III TO ASME SECTION Xl This letter provides notification that all ASME Section III work has been completed for WBN Unit 2 Service Air System (System 033). The ASME Section III Final N-5 Code Data Report has been signed by the N-Certificate Holder Having Overall Responsibility (Bechtel Power Corporation), and the ASME nameplates have been stamped and attached to the piping. From this point until the ASME N-3 Code Data Report is signed for the overall plant, in accordance with ASME Code Interpretation 111-1-83-61, the ASME portions of the system will be maintained under the provisions of ASME Section XI.
The WBN Unit 2 ASME Section Xl Repair and Replacement (R&R) activities will be controlled under WBN Unit 2 procedure NC PP-15, "ASME Section Xl and OM Code." The activities will meet the ASME Section Xl requirements of NPG-SPP-09. 1, "ASME Code and Augmented Programs", Part D (Attachment 4); TI-1 00.014, "ASME Section Xl Repairs and Replacements";
TI-100.010, "System Pressure Testing"; and MMDP-10, "Controlling Welding, Brazing, and Soldering Processes." ASME Section Xl R&R activities performed prior to Unit 2 licensing shall be performed to the current WBN Unit 1 Section Xl Code of Record (i.e., 2001 Edition through 2003 addenda). The ASME Section Xl work will be planned in accordance with WBN Unit 2 procedure NC PP-36, "Nuclear Construction Work Control."
TVA will notify the Lead Authorized Nuclear Inservice Inspector and the Nuclear Regulatory Commission Unit 2 Senior Resident Inspector prior to performing Unit 2 ASME Section Xl R&R work.
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U.S. Nuclear Regulatory Commission Page 2 May 2, 2013 Should you have any questions on this matter, please contact Bill Crouch at (423) 452-4365.
Respectfully, Raymond A. Hruby, Jr.
General Manager, Technical Services Watts Bar Unit 2 cc:
U. S. Nuclear Regulatory Commission Region II Marquis One Tower 245 Peachtree Center Ave., NE Suite 1200 Atlanta, Georgia 30303-1257 NRC Resident Inspector Unit 2 Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381