For the most part, we don't have the code used at the time of fabrication. Most built before ASME, or no way for us to find compliance. We are allowed to repair per current NBIC (NBIC defers to ASME for most details). We have to verify carbon content before welding. We have to assume...
I actually found the reference in the 1971 ASME. Our AI verified that we can use all parts not just part PR. It is PG 46.3. We do CODE repair. Code repairs do not fail, thus the reason for them. The accident you reference was due to a number of factors, most notable was operator error and...
I'm trying to find a code section that addresses riveted reinforcement on flue sheets and rear heads. We've run across a unit with no stays in the front flue sheet but a riveted flat plate above the flue tube area. No through or diagonal stays. It was built in 1902 and we may be contracted to...