(96d) “An Oven Explosion Incident – Lessons Learned on PSI, SIS and MOC”
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 29, 2009 - 3:15pm to 3:45pm
An explosion occurred at one of our customer's locations in late 1998 involving unburned and partially burned natural gas. Investigation of the incident led to many contributing causes, most of which can be categorized broadly as lack of process safety information, failure of a fuel combustion control system, contractor control and lack of management of change.
Combustion systems are found throughout all industries and homes. Code based safeguards are thoroughly and adequately described in NFPA. But is the spirit and intent of the code always applied and interpreted safely? Instrumentation application and installation are similarly well described in manufacturer's literature and the ISA standards. But are these systems installed and arranged properly? Is it important to manage change in something as mundane as fuel fired equipment? Is explosion venting on industrial ovens a sound way to limit damage? Is it even possible in all instances? Are there alternatives?
This paper highlights the investigation activities, answers these questions, presents conclusions and suggests remedies while showing the applicability of PSM concepts to industries other than the CPI.
This paper has an Extended Abstract file available; you must purchase the conference proceedings to access it.
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