2. 11/15/2010 David Helliwell's system 2 Section # Weld Repairs These slides will cover the weld repair decision making tool operation. This tool has been designed so that we can treat every repair as an individual while still following the same protocol for each repair thus ensuring the least amount of RISK.
4. 11/15/2010 David Helliwell's system 4 What is the first question we must ask? Can we repair this? No Replace the part NO Case closed!
5. 11/15/2010 David Helliwell's system 5 What is the first question we must ask again? Can we repair this? ORIGINAL MILL CERTS, FILLER WIRE CERTS AND WPS ARE ALWAYS NICE TO HAVE YES This is where the investigation begins! DETERMINE THE MATERIAL Manufacturing record books shouldbe reviewed To ascertain the original material, Filler wire and The welding process and hyperlinked here. YES
6. 11/15/2010 David Helliwell's system 6 YES MANUFACTURING OR SERVICE RECORDS SHOULD BE REVIEWED RELEVANT DOCUMENTS TO BE HYPERLINKED HERE RECORD ALL FINDINGS TO VALIDATE OUR DECISION MAKING IS THE CAUSE OFTHE DEFECT KNOWN? CARRY OUT NDE AND IF NEEDED DE No - Yes YES
7. 11/15/2010 David Helliwell's system 7 YES Link the cert here. Link the STANDARD here Determine the Standard Choose a welding Process Select filler wire Link the WPS and WPQR Here. Establish the welding procedure Find a qualified welder or qualify one YES YES
8. 11/15/2010 David Helliwell's system 8 YES Excavate the repair Inspect the repair Weld The Repair Is the repair acceptable? YES Back into service Determine why and FIX NO
