exida explains Blog

exida’s Safety Reliability Analysis (SRA) and How It May Help You

exida’s Safety Reliability Analysis (SRA) and How It May Help You

We all know that an FMEDA is only as good as the assumptions made regarding typical design engineering practices and the database used for the failure rates.  Here is the catch, not all products are designed and manufactured per the same rules!  Many manufacturers boast that their…

Read More...

The Site Safety Challenge – Do You Follow Good Site Practices?

The Site Safety Challenge – Do You Follow Good Site Practices?

The question of whether companies follow good site safety practices is an interesting one. Firstly, what do we mean by good site safety practices?  I think most companies believe they follow good site safety practices but do they really? Are they really measuring and tracking this?

The basis of having good site…

Read More...

The Benefits of exida’s Site Safety Index (SSI)

The Benefits of exida’s Site Safety Index (SSI)

New reports out now are claiming that an aging, failed elbow pipe appears to be the initial cause of a June 21 fire and subsequent explosions that injured five people at the largest oil refinery on the East Coast, federal investigators said.

The U.S. Chemical Safety and Hazard Investigation…

Read More...

Back to Basics 17 - PFH (Probability of Failure on Demand per Hour)

Back to Basics 17 - PFH (Probability of Failure on Demand per Hour)

PFH (The Probability of Failure on Demand per Hour)  is the probability that a system will fail dangerously, and not be able to perform its safety function when required. PFH can be determined as a probability or maximum probability over a time period of an hour. IEC…

Read More...

How Cars Relate to exida’s Site Safety Index (SSI)

How Cars Relate to exida’s Site Safety Index (SSI)

I got a new car.  The process was a bit disturbing. It took over an hour to go through the “set-up” menu. And it was suggested that I return for a second training session after spending time studying the manual and testing different settings.  I was thinking how different things…

Read More...

Back to Basics 16 - PFDavg

Back to Basics 16 - PFDavg

PFDavg (the average Probability of Failure on Demand) is the probability that a system will fail dangerously, and not be able to perform its safety function when required. PFDavg can be determined as an average probability or maximum probability over a time period. IEC 61508 and IEC…

Read More...

PES Refinery – CSB Initial Report

PES Refinery – CSB Initial Report

I'm sure you are aware of the preliminary findings of the Philadelphia Energy Solutions (PES) Refinery explosion. If not, have a look at the video below. It is very interesting, but sad.  I think we all can learn a lot from it.