exida explains Blog

Entries tagged with: PHA

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. Read More...

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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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
  • Monday, May 23, 2016
  • Software

PRODUCT SPOTLIGHT: exSILentia® – PHA / PHAx™

Each month at exida, we strive to spotlight one of our products that makes the job easier for today's industry professional.  In this blog, I wanted to talk about the PHAx module as part of our exSIlentia Safety Lifecycle Suite.

Process Hazards Analysis (PHA)

Process…

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To Spreadsheet…or NOT to Spreadsheet
  • by Dr. William Goble, CFSE
  • Thursday, September 03, 2015
  • Software

To Spreadsheet…or NOT to Spreadsheet

I remember the first time I ever saw a spreadsheet program. It was called “VisiCalc" and ran on a Commodore PET computer. My first thought was, “What is that good for?” Then I tried it and was totally hooked. I conclude that the creation of the spreadsheet has changed…

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

Using the PHAx™ Libraries

What is Competency Anyway?

What is Competency Anyway?

I’ve been following some discussions from one of the online forums regarding competency and it’s clear from the correspondence that the issue of competency is still very subjective.  It made me think about “what is competency?” To me it’s a blend of knowledge and experience and just how well…

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When is an Independent Protection Layer (IPL) Not a Safeguard?

We are going to continue discussing the results from exida’s recently published industry benchmark survey on the practices for the use of alarms as safeguards and IPLs. Over 200 safety practitioners from around the world provided responses. This entry will discuss the relationship between alarms identified as safeguards and…

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