Goble, W.
HP Automation Safety: The functional safety trend grows
A recent survey showed a continued increase in acceptance of IEC 61511/ISA 84.01-2004. Since the IEC version of the standard was only released in the spring of 2003, the acceptance rate might be consi..
HP Automation Safety: Let the numbers answer the question
Many companies in the hydrocarbon processing industry are working to understand and implement the new functional safety standards. I am not sure why there is so much interest, but many say they are lo..
HP Automation Safety: Safety-certified field equipment
I received an interesting question in a recent e-mail: "How can I design a safety instrumented function when I cannot buy safety-certified field equipment?" The designer went on to state that in his o..
HP Automation Safety: Periodic functional testing – Is there a better way?
Process design engineers work hard to create inherently safe processes. To a great extent, this effort is successful and the general industry safety record continues to get better. Cons..
HP Automation Safety: Using the safety life cycle
IEC 61511, Functional safety: Safety instrumented systems for the process industry sector, was recently released and is available on the IEC Website (www.iec.ch). This standard is well ..
HP Automation Safety: Importance of the safety manual
It is the beginning of 2003, a good time for improving process safety. The new IEC 61511 standard for the process industries has passed voting on part 1 (the meat!). Most in the U.S. ex..
HP Automation Safety: Getting failure rate data
During a course this month, I heard from several that the lack of failure rate data for instrumentation used in safety applications has been the major impediment keeping control enginee..
HP Automation Safety: Why CFSE certification?
IEC 61508, an international standard for functional safety, requires that any project manager establish criteria to assure competency of all individuals doing various safety life-cycle ..
HP Automation Safety: Are fire and gas systems SISs?
ISA 84.01 or IEC 61511 standards make no specific mention of "fire and gas (F&G)" systems. However, many are asking the question: Are F&G systems classified as safety systems? Why woul..
HP Automation Safety: Periodic inspection and test – requirements and benefits
As companies gain experience implementing the ISA 84.01 and IEC 61511 standards, several have gotten toward the end of the safety life cycle with real projects. The final phase of the s..
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