Thank you for all your answers. They have given me some areas to check.
After a bit more digging, it appears that Z662 art. 7.2.5 allows for "maintenance repairs" to be made to ASME B31.3 standard (for welding procedure), for all spool prefabrication. The intent is to take into account that...
I Forgot to mention: I have already read the CSA Z662, article 7.2.5 and I know that the shop fabrication according to B31.3 is allowed. My question is to the new field weld on the existing pipeline. Should this new weld be CSA Z662 or B31.3?
Hello;
We have a bit of a problem here: we have a pipeline designed to CSA Z662 (date ±1972). Some repairs were made to the pipeline and the spool fabrication was made to ASME B31.3 because everyone forgot to mention to the shop that material and welding should be to Z662. During installation...
