The next layer of the onion to unpack is the specific requirements for performing “Visual Examinations”. This is all part of the installer’s Quality Assurance program. We are getting deep into the weeds as we “peel this onion”, but these are CRITICAL needs to ensure our pipe is erected properly per the ASME B31 code(s). The requirements deal with:
TIP: This is all about what is in ASME Section V, not B31.