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A collection of our Blogs, Articles, and Whitepapers

LOPA Independent Protection Layers- Common Pitfalls in IPL Selection

Those who work in high hazard industries are familiar with the OSHA Process Safety Management (PSM) requirements for routine Process...

Challenging Safety Metrics in Process Industries: A Bayesian Perspective on Layer of Protection Analysis (LOPA)

The process industry uses Layer Of Protection Analysis (LOPA) to document extremely small probabilities for catastrophic events....

Lessons Learned on SIL Verification and SIS Conceptual Design

by Richard E. Hanner & Ravneet Singh There are many critical activities and decisions that take place prior to and during the Safety...

Methodologies in Reducing Systematic Failures of Wired IPLs

Common sources of systematic failures and preventative or mitigative measures to prevent their occurrence are presented.

Can we achieve Safety Integrity Level 3 (SIL 3) without analyzing Human Factors?

Incorporate quantitative Human Factors into a SIL analysis. Representative operating units at various stages of maturity in human factors an

Reducing Systematic Failures - Process Safety Management PSM

The benefit of such studies is that it’s easier and less expensive to make necessary changes to systems while the design is still on paper.

Independent Protection Layers…Will They Work When Needed?

Updated November 2024 — Layer of Protection Analysis (LOPA) has become an i mportant tool used in industry, often in conjunction with...