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Episode 73 - Incident Breakdown: 2019 Explosions and Fires at TPC Group (TPC) Port Neches Operations (PNO) Facility
Manage episode 359954631 series 2518309
In this episode, Rob and Molly discuss the CSB's investigation report on the 2019 popcorn polymer accumulation, pipe rupture, explosions, and fires at the TPC Group (TPC) Port Neches Operations (PNO) facility in Port Neches, Texas. On November 27, 2019, a pump that had been taken out of service for 114 days created a deadleg where butadiene polymer developed. The polymer filled the pipe and developed enough pressure to rupture the piping, releasing flammable butadiene which then ignited, resulting in explosions and fires. The fires burned for over 1 month and 2 employees, 1 contractor, and 5 members of the public reported injuries. Additionally, a mandatory evacuation order was issued for a 4-mile radius, affecting people in 4 nearby towns. The incident resulted in significant property damage both on-site and off-site, and TPC filed for bankruptcy in 2022.
Today, Rob and Molly provide some background details about TPC, explain what a deadleg is and talk about how they should be managed in Butadiene facilities, discuss how TPC's PHA considered the potential for this hazard, touch on remotely operated isolation valves, and point to relevant RAGAGEP that provide guidance regarding this hazardous butadiene polymer formation. They also discuss contributing factors, what types of companies could be at risk from incidents like these, and what any type of facility could learn from this accident.
Find the CSB's final report here, and be sure to check out our other Incident Breakdown episodes where we cover additional CSB final reports.
Update: On July 19, 2023, the CSB released a safety video on this incident.
128 odcinków
Manage episode 359954631 series 2518309
In this episode, Rob and Molly discuss the CSB's investigation report on the 2019 popcorn polymer accumulation, pipe rupture, explosions, and fires at the TPC Group (TPC) Port Neches Operations (PNO) facility in Port Neches, Texas. On November 27, 2019, a pump that had been taken out of service for 114 days created a deadleg where butadiene polymer developed. The polymer filled the pipe and developed enough pressure to rupture the piping, releasing flammable butadiene which then ignited, resulting in explosions and fires. The fires burned for over 1 month and 2 employees, 1 contractor, and 5 members of the public reported injuries. Additionally, a mandatory evacuation order was issued for a 4-mile radius, affecting people in 4 nearby towns. The incident resulted in significant property damage both on-site and off-site, and TPC filed for bankruptcy in 2022.
Today, Rob and Molly provide some background details about TPC, explain what a deadleg is and talk about how they should be managed in Butadiene facilities, discuss how TPC's PHA considered the potential for this hazard, touch on remotely operated isolation valves, and point to relevant RAGAGEP that provide guidance regarding this hazardous butadiene polymer formation. They also discuss contributing factors, what types of companies could be at risk from incidents like these, and what any type of facility could learn from this accident.
Find the CSB's final report here, and be sure to check out our other Incident Breakdown episodes where we cover additional CSB final reports.
Update: On July 19, 2023, the CSB released a safety video on this incident.
128 odcinków
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