exida explains Blog

Entries tagged with: Process Hazards Analysis

How is SIL Used?
  • by Loren Stewart, CFSE
  • Tuesday, September 22, 2015
  • Certification

How is SIL Used?

Click here to read the first entry in this blog series 

Once the Safety Integrety Level (SIL) of a product is found, it will be used FOUR ways:

  1. To establish risk reduction requirements
  2. Probabilistic limits for hardware random failure
  3. Architectural constraints 
  4.

Performing a Cybersecurity Risk Assessment as a Component of the PHA

There are three main components of the safety lifecycle: analysis, realization, and operation. We will be taking a look at the analysis phase, particularly related to the cyber industry.

To start, the first thing to do in both safety and security is do a detailed process, hazard and…


PHA: A must or a MUST?

Our thoughts and prayers are with those whose lives were lost, and those injured, as well as their families in last week’s fertilizer plant explosion in West Texas. A few statements made in the press were a bit surprising and I wanted to share those with you. Before I…


  • by Iwan van Beurden, CFSE
  • Thursday, February 26, 2015
  • Software

Using the PHAx™ Libraries