I recall the first time I was called an “expert.” I thought that sounded nice. I spotted a magazine article on safety and thought “I do not have to read that as I am an expert.” I quickly recovered. The real problem with being called an expert is that…
exida explains Blog
Entries tagged with: SIL Target Selection
- by Alejandro Esparza, CFSE
- Wednesday, March 11, 2026
- Functional Safety
When “Worst-Case” Isn’t Good Enough: Why Your LOPA Might Be Underestimating Risk
When designing a Safety Instrumented Function (SIF), practitioners often encounter a complex scenario: multiple initiating events (independent causes) leading to the same hazardous consequence. While common industry practice is to design for the "worst-case" scenario in isolation, this approach contains a hidden danger. A groundbreaking whitepaper from exida reveals…