Page 28 - Serious Incident Prevention How to Achieve and Sustain Accident-Free Operations in Your Plant or Company
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Effective process to detect corro-
sion and other deterioration of
dures, training, and controls.
process vessels.
recognized welding procedures in
post-weld treatment and inade-
Deficiencies included lack of
previous repair of the vessel.
quate inspection practices.
Known Consequences Potential Preventative Probable Cause Actions Process to ensure proper repair of pressure vessels including proce- OSHA cited a failure to apply Fatalities: 17 Serious Incident Prevention More comprehensive process haz- Inadequate process hazard analysis Fatalities: 4 ards analysis Inadequate training program
Lost workday injuries: 14
Property damage:
$191 M
Incident Description An operator was in the process of closing a valve to isolate a leak from a 6˝ horizontal crack at weld on a column. The crack spread to 24˝, and the column experienced total failure. Propane released at 200 psig propelled most of the 20-ton vessel 3,500´, where it toppled a 138KV power transmis- sion tower. An e
Location and Year (References) Illinois USA 1984 (29, 30) Chemical Facilities Nevada USA 1998 (31) Louisiana USA 1992 (32)
