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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Entries tagged with: Layer Of Protection Analysis
- 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
- 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…
- by Iwan van Beurden, CFSE
- Thursday, June 30, 2016
- Functional Safety
PRODUCT SPOTLIGHT: Practical SIL Target Selection - Risk Analysis per the IEC 61511 Safety Lifecycle
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 exida publication Practical SIL Target Selection - Risk Analysis per the IEC 61511 Safety Lifecycle which is based on numerous…
- by Todd Stauffer
- Tuesday, May 28, 2013
- Alarm Management
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…