HIMA

Since its release as an Australian standard in July of 2004, AS61511 is rapidly being
accepted and applied on Safety Instrumented Systems throughout the process industry.
AS61511 is a performance based standard with a risk-based approach to safety.
Performance based standards are by nature very open to interpretation, and therefore allow
for more than just one analysis technique. Some of the techniques currently applied in
industry have some shortfalls in achieving the objective of the standard. This article looks at
some common problems encountered during the analysis phase of the AS61511 safety
lifecycle.

HIMA (2006) SIL Assessments Identification of Safety Instrumented Functions

HIMA (2006) SIL Assessments Identification of Safety Instrumented Functions
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