ML043000352
| ML043000352 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 10/20/2004 |
| From: | Pace P Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| WCAP-16245-NP, Rev 0, WCAP-1633-NP | |
| Download: ML043000352 (2) | |
Text
Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000 OCT 2 0 2004 10 CFR 50 Appendix H U.S. Nuclear Regulatory Commission ATTN:
Document Control Desk Washington, D. C. 20555 Gentlemen:
In the Matter of
)
Docket No. 50-390 Tennessee Valley Authority
)
WATTS BAR NUCLEAR PLANT (WBN) UNIT 1 -- REACTOR VESSEL SURVEILLANCE CAPSULE X TEST RESULTS AND REACTOR VESSEL FRACTURE TOUGHNESS (J-R) TEST RESULTS In accordance with 10 CFR 50, Appendix H.IV.A, TVA is submitting the Technical Report WCAP-16245-NP, "Analysis of Capsule X from the Tennessee Valley Authority Watts Bar Unit 1 Reactor Vessel Radiation Surveillance Program," Revision 0, dated April 2004.
This report was developed by Westinghouse Electric Company LLC and details the tests results of Surveillance Capsule X withdrawn in Cycle 5 refueling outage after 6.63 effective full power years (EFPY) of operation.
This WCAP is provided in.
In addition to the above required report, Enclosure 2 provides a Technical Report entitled WCAP-16333-NP, "Fracture Toughness Testing of Compact Tension Specimens from Watts Bar Unit 1 Surveillance Capsule X," dated August 2004.
This testing was conducted to supplement the results from the WBN Unit 1 Capsule X program.
The testing in this report was also performed by Westinghouse Electric Company with procedures that were submitted to NRC for approval on July 10, 2001.
NRC approved the use of those procedures in a letter dated August 1, 2001.
Since the approved procedures were not a Westinghouse procedure, Westinghouse performed a "Proof-of-Principle Test" to ensure that the specimens could be milled and tested in accordance with the procedure.
The results of this test are provided in Section 2 of the WCAP.
0
U.S. Nuclear Regulatory Commission Page 2 OCT 2 0 2004 This testing was performed in accordance with the WBN License Condition C(5) and completes the License Condition portion for Capsule X supplemental testing.
Capsule W testing results were completed and provided to NRC by letter dated October 9, 2001.
Therefore, License Condition C(5) has been completed.
There are no Regulatory conmmitments identified in this submittal.
If you have any questions about these responses, please contact me at (423) 365-1824.
Sincerely, P. L. Pace Manager, Site Licensing and Industry Affairs Enclosures
- 1. WCAP-16245-NP, Revision 0, dated April 2004.
- 2. WCAP-1633-NP, dated October 2004.
cc (Enclosures):
NRC Resident Inspector Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381 Mr. R. J. Pascarelli, Project Manager U.S. Nuclear Regulatory Commission MS 07A15 One White Flint North 11555 Rockville Pike Rockville, Maryland 20852-2738 U.S. Nuclear Regulatory Commission Region II Sam Nunn Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303