Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The...
Transcript of Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The...
![Page 1: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/1.jpg)
ww
w.in
l.g
ov
Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection
Larry R. Zirker
James A. Dowalo
Idaho National Laboratory
![Page 2: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/2.jpg)
TMI-II Dry Canister Welds
• State of Idaho/INL/DOE
• Canister Welding and Remote Inspection Systems
• Validation for NRC
• Delemna/Paradox
• Cracked Mock-up Weld
![Page 3: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/3.jpg)
Crack the Weld
Solution to Problem
See the Crack
![Page 4: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/4.jpg)
Dry Storage In-Service Inspection Delemna
• Inspection of TMI-II Purge Port Welds
• Radiation Field
• Remote Fiber-Optic Inspection System
• No Tribal Knowledge/Procedures/Skills
• No Cracked Workmanship Sample Block
![Page 5: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/5.jpg)
Making a Cracked Block
12
6
39
Top View of DSC Weld Block
Side View of DSC Weld Block
1.5 inch thick top plate
Sheet metal strips
0.5-inch thick
bottom plate
Four numbered “Clock” locations
12
6
39
Top View of DSC Weld Block
Side View of DSC Weld Block
1.5 inch thick top plate
Sheet metal strips
0.5-inch thick
bottom plate
Four numbered “Clock” locations
![Page 6: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/6.jpg)
Sample Block
![Page 7: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/7.jpg)
ATR Canal Storage Rack Weld Inspection Project
• Underwater Inspection
• Remote Fiber-Optic Inspection System
• No Tribal Knowledge/Procedures/Skills
• No Cracked Workmanship Sample
![Page 8: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/8.jpg)
Fillet and Butt Weld Cracked Block
![Page 9: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/9.jpg)
Lessons Learned
• Training tool for crews
• Validation tool for fiber-optic inspection system
• Compare direct viewing and viewing angle
• Inspection document
![Page 10: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/10.jpg)
Underwater Photos
![Page 11: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/11.jpg)
Code Inspection
• What could normally be detected with direct access to sample:
![Page 12: Cracked Workmanship Samples Facilitate Radiation Field Remote Inspection · 2012. 6. 26. · The remote viewing technique is satisfactory when the video image is compared to the reteronce](https://reader036.fdocuments.in/reader036/viewer/2022071020/5fd47a88ef95c70d94269f20/html5/thumbnails/12.jpg)
Document Technique