Collection and Utilization of process safety metrics is an important tool for driving improved safety. Tier 3 leading indicators (challenges to safety system) indicate failures of process safety management systems and highlight areas that should be improved to prevent...
The ARC Advisory Group recently met with exida to discuss the our safety lifecycle management solution, exSILentia. The product is exida’s response to the pressing need for comprehensive safety lifecycle management tools to manage the increasingly mandated safety...
Fault tolerant systems have been designed for safety critical applications including the protection of potentially dangerous industrial processes. These systems are typically evaluated and certified to functional safety standards with IEC 61508 by agencies like exida...
The functional safety standards, IEC 61508, IEC 61511, and ANSI/ISA 84.01 each specify the Safety Integrity Level performance parameter for Safety Instrumented Functions. For a Safety Instrumented Function to meet a specific Safety Integrity Level the sum of the...
Prior Use (Proven In Use in 61508) equipment is when a documented assessment has shown that there is appropriate evidence, based on the previous use of the component, that the component is suitable for use in a particular application of a safety instrumented system at...
