ML16293A525
| ML16293A525 | |
| Person / Time | |
|---|---|
| Site: | Watts Bar |
| Issue date: | 10/05/2016 |
| From: | Tennessee Valley Authority |
| To: | Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML16293A318 | List:
|
| References | |
| CNL-16-135 R-P1766 | |
| Download: ML16293A525 (1) | |
Text
J HJ IHI Southwest Technologies Examination Summary Record Sout hweSt Tec h n o l og ie~, lnc.
Utilit : TVA Site: Watts Bar Nuclear Plant Unit 2 PSI Outage:
Summa Sheet No. 001600 S stem: Reactor Pressure Vessel Line Subassembl : Outlet Nozzle to Shell @ 158-de ree Identification: N-16 NOE NOE Calibration Exam Sheet Method Proc/Rev/Ch /ICN Examination Sheet No's.
No.
NRI Other Remarks AUT ISwT-PDl-AUT5/1/0/1 Probe 1 1100097 50 x
AUT ISwT-PDl-AUT5/1 /0/1 Probe 2 1100098 50 x
AUT ISwT-PDl-AUT5/1 /0/1 Probe 3 1100099 50 x
AUT ISwT-PDl-AUT5/1 /0/1 Probe 4 1100100 50 x
AUT ISwT-PDl-AUT 4/3/0/0 Probe 1 1100001-A 51 - 56 x
Examination Summary:
This weld was examined from the inside surface using AIRIS-21 and Dynaray examination equipment.
No recordable indications were detected during this examination.
Examination Angles for each probe used with procedure ISwT-PDl-AUT 5 include: PA60°-80°L, PA40°-50°S, PA30°-60°L, & PA0°L.
Examination Angles for probe used with procedure ISwT-PDl-AUT-4 include: PA5°- 40°L, PA35°-45S.
Exam #50 was divided into sections A - D (sections C & D were additional exams using specfic probes for improved examination coverage).
The examination was limited due to the proximity of the nozzle intregral extension. The examination coverage was 84%.
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