ML16293A527

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Report No. R-P1770, Wall Thickness Profile Sheet. (Sketch)
ML16293A527
Person / Time
Site: Watts Bar 
Issue date: 10/05/2016
From:
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
Shared Package
ML16293A318 List: ... further results
References
CNL-16-135 R-P1770
Download: ML16293A527 (1)


Text

J ff J IHI Southwest Technologies Examination Summary Record Southwen T"ctmolo9ies. Inc.

Utilit : TVA Site: Watts Bar Nuclear Plant Unit 2 PSI Outage:

Summa Sheet No. 002000 S stem: Reactor Pressure Vessel Line Subassembl : Outlet Nozzle to Shell @ 338-de ree Identification: N-18 NOE NOE Calibration Exam Sheet Method Proc/Rev/Ch /ICN Examination Sheet No's.

No.

NRI Other Remarks AUT ISwT-PDl-AUTS/1 /0/1 Probe 1 1100097 78 x

AUT ISwT-PDl-AUTS/1 /0/1 Probe 2 1100098 78 x

AUT ISwT-PDl-AUTS/1 /0/1 Probe 3 1100099 78 x

AUT ISwT-PDl-AUTS/1 /0/1 Probe 4 1100100 78 x

AUT ISwT-PDl-AUT 4/3/0/0 Probe 1 1100001-A 79-84 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, PA3Q 0 -6Q 0 l, & PAQ 0 l.

Examination Angles for probe used with procedure ISwT-PDl-AUT-4 include: PA5°- 40°L, PA35°-45S.

Exam #78 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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