- 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:
- To establish risk reduction requirements
- Probabilistic limits for hardware random failure
- Architectural constraints
…
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- by Dave Johnson, CFSE
- Tuesday, June 16, 2015
- Industrial Cybersecurity
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…
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- by Iwan van Beurden, CFSE
- Wednesday, April 24, 2013
- Functional Safety
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…
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- by Iwan van Beurden, CFSE
- Thursday, February 26, 2015
- Software
Using the PHAx™ Libraries
Conducting a Process Hazard Analysis (PHA) can be quite laborious. In a HAZOP, you will systematically evaluate the applicable deviations for each node, within each unit, within each plant. The exSILentia® v4 PHAx™ module is setup to use…
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