ML11234A176

American Society of Mechanical EngineersSection XI, Inservice Inspection, System Pressure Test, Containment Inservice Inspection, and Repair and Replacement Programs - Owner'S Activity Report for Cycle 10 Operation

ML11234A176
Person / Time
Site:	Watts Bar
Issue date:	08/19/2011
From:	Krich R Tennessee Valley Authority
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
Download: ML11234A176 (6)

Text

Tennessee Valley Authority 1101 Market Street, LP 3R Chattanooga, Tennessee 37402-2801 R. M. Krich Vice President Nuclear Licensing August 19, 2011 10 CFR 50.55a ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001 Watts Bar Nuclear Plant, Unit 1 Facility Operating License No. NPF-90 NRC Docket No. 50-390

Subject:

American Society of Mechanical EngineersSection XI, Inservice Inspection, System Pressure Test, Containment Inservice Inspection, and Repair and Replacement Programs - Owner's Activity Report for Cycle 10 Operation The Tennessee Valley Authority is submitting the Watts Bar Nuclear Plant, Unit 1, American Society of Mechanical Engineers (ASME), Section X1, Owner's Activity Report for Unit 1 Cycle 10 operation as required by Article IWA-6000, Section Xl, Division 1. The report is contained in the enclosure to this letter and is in accordance with the requirements of ASME Code Case N-532-4, "Repair/Replacement Activity Documentation Requirements and Inservice Summary Report Preparation and Submission."

The report is an overview of the results from inservice examinations that were performed on components within the ASME Section Xl boundary, up to and including the Unit 1 Cycle 10 refueling outage, during the second inspection period of the second10-year inspection interval. The applicable provisions of the ASME Code require that this report be submitted 90 days from the end of the applicable outage, i.e., by August 19, 2011.

printed on recycled paper

U.S. Nuclear Regulatory Commission Page 2 August 19, 2011 There are no new regulatory commitments in this letter. If you have any questions regarding these reports, please contact Kara Stacy at (423) 751-3489.

Respectfully, R. M. Krich

Enclosure:

American Society of Mechanical Engineers, Section Xl, Second 10-Year Inspection Interval, Inservice Inspection Owner's Activity Report for Cycle 10 Operation cc (Enclosure):

NRC Regional Administrator - Region II NRC Senior Resident Inspector - Watts Bar Nuclear Plant, Unit 1

Enclosure Tennessee Valley Authority Watts Bar Nuclear Plant, Unit I American Society of Mechanical Engineers,Section XI, Second 10-Year Inspection Interval Inservice Inspection, System Pressure Test, Containment Inservice Inspection, and Repair and Replacement Programs Owner's Activity Report for Cycle 10 Operation

Form OAR-1 Owner's Activity Report E-1 of 3

FORM OAR-i OWNER'S ACTIVITY REPORT Report Number U1C10 RFO Plant Watts Bar Nuclear Plant, P.O. Box 2000, Spring City, TN 37381-2000 Unit No. 1 Commercial Service Date May 27, 1996 Refueling Outage No. RF010 (if applicable)

Current Inspection Interval 2nd W%"2"', 3', 4", other)

Current Inspection Period 2nd lis,2n, 3 r Edition and Addenda of Section XAapplicable to the inspection Plans 2001 Edition with 2003 Addenda Date / Revision of Inspection Plans July 11. 2011 / 1-TRI-0-10.2. Revision 5 Edition and Addenda of Section Xl applicable to repair/replacement activities, if different than the inspection plans same Code Cases used: N-460, N-513-3, N-526, N-532-4, N-566-2, N-586-1, N-624, N-695, N-686-1, N-706-1, N-722-1, N-729-1 CERTIFICATE OF CONFORMANCE I certify that (a) the statements made in this report are correct; (b) the examinations and tests, meet the Inspection Plan as required by the ASME Code,Section XI; and (c) the repair/replacement activities and evaluations supporting the completion of RFO10 conform to the requirements of Section Xl (refueling outage number)

Signed

° UOw-neror Owh e,Ttle Date /ltl; ,,

CERTIFICATE OF INSERVICE INSPECTION I, the undersigned, holding a valid commission issued by the National Board of Boiler and Pressure Vessel Inspectors and the State or Province of Tennessee and employed by HSB CT of Hartford, Connecticut have inspected the items described in this Owner's Activity Report, and state that to the best of my knowledge and belief, the Owner has performed all activities represented by this report in accordance with the requirements of Section XI By signing this certificate neither the Inspector nor his employer makes any warranty expressed or implied concerning the repair/ replacement activities and evaluation described in this report. Furthermore, neither the Inspector nor his employer shall be liable in any manner for any personal injury or property damage or a loss of any kind arising from or connected with this inspection

_ _ _ _ _ 2Y9' _ __n_ Commissions TN2534 Inspector's Signature National Board, State, Province, and Endorsements Date _ _ _ __/_ _/

E-2 of 3

TABLE 1 ITEMS WITH FLAWS OR RELEVANT CONDITIONS THAT REQUIRED EVALUATION FOR CONTINUED SERVICE Examination Category and Item Number Item Description Evaluation Description None None None TABLE 2 ABSTRACT OF REPAIRS, REPLACEMENTS, OR CORRECTIVE MEASURES REQUIRED FOR CONTINUED SERVICE Item Description Date Repair/Replacement Code Class Description of Work Completed Plan Number A leak located in a 1/2" instrument line between O-RTV Class 2 360A and the Replaced 1/2" 5/20/2011 WO 112177201 Component Cooling instrument line System header from the Spent Fuel Pool Heat Exchanger B E-3 of 3