Quoting API 510 Tenth Edition: 7.7 Evaluation of Existing Equipment with Minimal Documentation
For pressure vessels that have no nameplate and minimal or no design and construction documentation, the
following steps may be used to verify operating integrity.
1) Perform inspection to determine...
I believe the answer to your question can be found in the first sentence of
API 510 TENTH EDITION, MAY 2014
Annex A
(normative)
Code Exemptions
The following classes of containers and pressure vessels are excluded from the specific requirements of this
inspection code, [highlight #FCE94F]unless...
InspectorShain, you may want to take a look at this quote I have copied from a recent external inspection of mine.
API 510 TENTH EDITION, MAY 2014 gives additional guidance concerning retired from service and abandoned in place equipment not contained in previous editions. I have quoted this...