Alarms and operator response are one of the first layers of defense in preventing a plant upset from escalating into an abnormal situation. The new ISA 18.2 standard on alarm management recommends following a lifecycle approach similar to the existing ISA84/IEC 61511...
Poor alarm management is one of the leading causes of unplanned downtime, contributing to over $20B in lost production every year, and of major industrial incidents such as the one in Texas City. Developing good alarm management practices is not a discrete activity,...
Process alarms, coupled with operator action, are frequently cited as a safeguard in a Process Hazard Analysis (PHA) and an Independent Protection Layers (IPL) in a Layer of Protection Analysis (LOPA), but does the alarm management system really support the...
