exida explains Blog

Entries tagged with: Layer Of Protection Analysis

Challenge the LOPA - 10th anniversary of the BP Texas City Refinery explosion
  • by Denise Chastain Knight, P.E., CFSE, CCPSC
  • Tuesday, March 24, 2015
  • Functional Safety

Challenge the LOPA - 10th anniversary of the BP Texas City Refinery explosion

On the 10th anniversary of the BP Texas City Refinery explosion, let’s pause to reflect on one of the lessons learned from this disaster. The process had multiple layers of protection, including operating procedures, BPCS control and alarms, independent alarms, and relief devices.  There was additional instrumentation…

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LOPAx™: This is Awesome!
  • by Iwan van Beurden, CFSE
  • Thursday, April 30, 2015
  • Software

LOPAx™: This is Awesome!

You will probably not hear me sing the LEGO® Movie’s “Everything is Awesome” song, I’ll keep that private (and you should be thankful to me for that). However as we just released the LOPAx™ module of the new exSILentia® v4 platform, I have come to…

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PRODUCT SPOTLIGHT: Practical SIL Target Selection - Risk Analysis per the IEC 61511 Safety Lifecycle

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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