Training and qualified personnel must assemble flanged joints in hazardous materials piping systems (see Appendix A of ASME PCC-1). Consideration should be given to establishing a finished joint examination process as part of the facility’s QA/QC assurance program. A leak or failure in a piping system can be a minor inconvenience for low-consequence fluids, or it can become a potential source of a process safety incident for higher-consequence fluids depending on…