ML032901026
| ML032901026 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar  |
| Issue date: | 10/13/2003 |
| From: | Pace P Tennessee Valley Authority |
| To: | Document Control Desk, Office of Nuclear Reactor Regulation |
| References | |
| Download: ML032901026 (3) | |
Text
Tennessee Valley Authority, Post Office Box 2000, Spring City, Tennessee 37381-2000 OCT 1 3 2003 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 -
CYCLE 5 REFUELING OUTAGE STEAM GENERATOR TUBE INSPECTION F-STAR (F*) REPORT In accordance with the Technical Specification 5.9.9, this report provides the results of the WBN Unit 1 steam generator tube inspections for tubes having indications which may remain in service using the alternate repair criteria F*.
The enclosure provides the required data which includes identification of these tubes, the uppermost elevation of the degradation, and the extent of the degradation.
There are no new regulatory commitments identified in this letter.
If you have any questions about this report, please contact me at (423) 365-1824.
Sincerely, P.
. Pace Manager, Site Licensing and Industry Affairs Enclosure cc:
See page 2
-Ab 4 Pnted on rced papa
U.S. Nuclear Regulatory Commission Page 2 OCT 1 3 2003 Enclosure cc (Enclosure):
NRC Resident Inspector Watts Bar Nuclear Plant 1260 Nuclear Plant Road Spring City, Tennessee 37381 Ms. Margaret H. Chernoff, Project Manager U.S. Nuclear Regulatory Commission MS 08G9 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
ENCLOSURE WATTS BAR NUCLEAR PLANT (WBN) UNIT 1 ALTERNATE REPAIR CRITERIA F-STAR (F*)
CYCLE 5 REFUELING OUTAGE REPORT SG ROW COL TEST LENGTH 1
28 57 ZPSN 1
40 59 ZPSN TOTAL THIS GENERATOR 2
2 3
108 ZPSN TOTAL THIS GENERATOR 1
3 19 23 ZPSN 3
19 75 ZPSN 3
22 67 ZPSN 3
35 58 ZPSN 3
35 84 ZPSN 3
38 18 ZPSN TOTAL THIS GENERATOR 6
4 16 18 ZPSN 4
17 32 ZPSN 4
18 35 ZPSN 4
19 32 ZPSN 4
22 31 ZPSN 4
22 37 ZPSN 4
27 87 ZPSN 4
35 14 ZPSN 4
35 15 ZPSN 4
36 36 ZPSN 4
38 20 ZPSN 4
39 19 ZPSN 4
42 55 ZPSN TOTAL THIS GENERATOR 13 0.83 0.48 0.29 0.29 0.24 0.18 0.31 0.18 0.27 0.2 0.2 0.42 0.43 0.46 0.26 0.27 0.13 0.23 0.35 0.41 0.27 0.29 VOLT 3.04 1.7 IND SAI SAI 1.39 SAI 1.62 1.75 0.63 0.35 1.03 0.18 0.53 0.65 2.74 3.16 2.12 2.69 1.03 0.53 0.85 2.22 2.56 1.11 0.21 SAI SAI SAI SVI SAI SVI SAI SAI SAI SAI SAI SAI SAI SAI SAI SAI SAI SAI SVI LOCATION HTS-5.59 HTS-3.57 HTS-4.01 HTS-4.06 HTS-4.17 HTS-3.96 HTS-2.55 HTS-4.37 HTS-1.89 HTS-5.97 HTS-2.16 HTE+.45 HTE+.48 HTE+.49 HTE+.52 HTS-4.55 HTS-4.86 HTS-7.08 HTS-5.87 HTS-4.81 HTS-5.00 HTE+9.50 CHARACTERIZATION PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL ODSCC TTS AXIAL VOLUMETRIC PWSCC TTS AXIAL VOLUMETRIC PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL ODSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL PWSCC TTS AXIAL VOLUMETRIC ACRONYMS:
PWSCC Primary Water Stress Corrosion Cracking ODSCC Outside Diameter Stress Corrosion Cracking HTS Hot Leg Top of Tube Sheet HTE Hot Tube End TTS Top of Tube Sheet SAI Single Axial Indication SVI Single Volumetric Indication ZPSN Top of Tube Sheet +Point Probe E-1