A safety requirement specification (SRS) for a safety instrumented system (SIS), as part of the IEC 61511 global safety standard [from the exida blog]: …incorporates all the analysis done during the Risk Assessment, HAZOP [hazard and operability study]/PHA [process...
safety requirements specification
Embracing Safety Requirements Specifications
The Institute of Measurement and Control is hosting the Functional Safety 2016 conference this week in London. This conference seeks to engage practitioners from a wide variety of industrial sectors who have responsibilities in any functional safety lifecycle phase to...
Managing the Safety Lifecycle
Process safety revolves around managing the risks of your production process throughout the life of your plant, mill or production facility. The international safety standard, IEC 61511 (Functional safety - Safety instrumented systems for the process industry sector):...
Improving Process Safety without a Calculator
If you're not fluent in Polish, you may have missed a recent Automatyka article, Bezpieczeństwo funkcjonalne zgodne z normami [Functional Safety Compliance]. Emerson's Andy Crosland and Ryszard Boroń wrote it and provided me an English translation of the article so...
10 Ways to Improve Functional Safety
ISA Portugal recently hosted a conference on functional safety. Emerson's Russell Cockman, whom you may recall from earlier safety-related posts, presented 10 ways to improve functional safety without worrying where to put the decimal point in the calculation. From...
Clear and Concise Safety Requirements Specifications
Update and bump: Here is the link to Andy's paper, The importance of a clear Safety Requirements Specification as part of the overall Safety Lifecycle, which is now posted. Original May 2011 post: Emerson's Andy Crosland, a process safety expert, will be presenting a...
Safety Instrumented System Documentation Guidance
Ed Marszal, president of global consulting and engineering firm, Kenexis, shared his expertise in safety instrumented systems and projects in an Emerson Exchange presentation, Best Practices in SIS Documentation. Emerson's Desmond Lee, a member of the process safety...
Considering the Whole Loop in Process Safety
In our continuing look at elements in the IEC 61511 process safety lifecycle, I uncovered an excellent presentation, Safety Instrumented Systems - Considering the Whole Loop, by Emerson's Andy Crosland. You may recall Andy from a recent process safety seminar series...
Safety Validation in the IEC 61511 Process Safety Lifecycle
A few weeks ago, I posted Safety Instrumented Function-Focused Approach. It summarized a presentation by Emerson's Russell Cockman and Andy Crosland on the role of an SIS integrator in the implementation phase of an IEC 61511 process safety project. Russell and Andy...
Safety Instrumented Function-Focused Approach
Update and Bump: Here's information on Russell's and Andy's UK Safety Seminar Series. Emerson process safety experts Russell Cockman and Andy Crosland recently presented at the Institution of Chemical Engineers (IChemE) North West Members Group in the United Kingdom....
More Thoughts on Executing IEC 61511 Process Safety Projects
Last Friday I highlighted thoughts from Emerson process safety expert, Len Laskowski in the post, Executing IEC 61511 Process Safety Projects. He shared more than I could fit in a single post, so today's post will share the balance. One of the points made by the...
Similarities and Differences in Fired Heater Safety Standards
We discussed the energy efficiency and other opportunities with fired heaters in past posts. I caught wind of a presentation that Emerson's safety specialist, Chuck Miller will be giving at the upcoming March 21-25 AIChE Spring National Meeting and Global Congress on...
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