For decades, we used Appendix M-5 in Section VIII as our design basis for having intervening/stop valves before and/or after a Pressure Relief Device (PRD). But in 2021 (amid the global pandemic), ASME published its new Section XIII, Rules for Overpressure Protection. We now use Appendix B of this new ASME section when we have a design…...
The CSB has released an UPDATE into its ongoing investigation into the fatal November 12, 2024, explosion in Louisville, Kentucky. The incident killed two employees and seriously injured three others. The explosion caused significant property damage to the facility and nearby homes and businesses. Debris was ejected outside the facility’s fence line, flying up to…...
With the recent catastrophic and fatal pressure vessel (PV) failure in KY, I have to speak up and point out a very dangerous and unfortunately common failure we see in our work. Far too often we visit a facility under the guise of doing process safety work and we typically find the PSM covered PVs…...
