FGS Functions that can be Treated as SIF
As I am currently preparing material for a revision of the ISATR 84.00.07 technical [...]
Accuracy of SIL Calculations
During the recent ISA 84 committee meetings related to the ISA TR84.00.02 which discusses [...]
Kenexis Presenting at the 2014 ISA Safety Division Symposium
Kenexis has accepted an invitation to present at the 2014 ISA Safety Division Symposium being [...]
Cyberwarfare: A Major Concern Among Security Leaders
Cyberwarfare rated the most serious threat facing the U.S. Kenexis' cyber security senior investigator, Jim [...]
Kenexis and ISA Establish SIS and FGS Schedule for First Half of 2014
Kenexis and ISA have come to an agreement on the scheduling of training courses that [...]
Kenexis attendes ISA MENA Automation Conference
Edward Marszal, Kenexis' President and CEO, is attending the ISA MENA Automation Conference in Saudi [...]
Kenexis Opens Booth at ADIPEC Conference
Kenexis has opened their booth for the ADIPEC conference. The booth number is 7513, and [...]
Are Separate Taps Making Your Plant LESS Safe?
Instrumentation and control engineers have been taught, no, conditioned through repetition, to design separate [...]
Wireless for SIS?
I recently received a request from a colleague asking for more information regarding the [...]
OSHA Review Panel Ruling on Application of API 556
Many SIS practitioners are concerned about how government and regulators interpret the implementation of [...]
Credit for Operator Response to SIS Failure
Even though I have been doing SIS design for about 20 years now, I [...]
How Many Alarm IPL Can I Credit?
I recently received an enquiry from a customer. He asked if I know of [...]
I Think I Might Have Too Many Fire Detectors…
In my consulting I often hear engineers say, “I think I have too many [...]
Applicability of NFPA 72 to Process Areas
I received the following questions about design of fire and gas detection and suppression [...]
Partial Stroke Test Coverage Assignment Recommendations
During the process of SIL verification calculations, analysts are often required to assess the [...]
Forgotten Pieces of PFD Equations for SIL Verification
After teaching the ISA EC 52 course – Advanced Design and SIL Verification, I [...]
Using Templates for LOPA
In all of the years that I have been performed LOPA (16 now…), I [...]
Real Data!
Last week I taught the ISA EC 52 training course – Advanced SIL Selection. This [...]
Gasoline Spills form Aerosol Clouds, not Vapor Clouds…
Over the past week I have been at a Oil Refinery [...]
Origin of the Five Meter Grid for Gas Detector Spacing
There are many methods used in the process industries for placing gas detectors. These [...]
When to Use QRA Instead of LOPA
As many practitioners of chemical process risk analysis know, LOPA is a simple tool [...]
Bypassing in Multi-Instrument Voting Arrangements
I have had yet another discussion today on what it means to put something [...]
Varying Response to Fire Alarms by Industry
During my trip to Houston (from Columbus, OH) last week as we were listening [...]
Sharing BPCS and SIS Field Equipment
… Please don’t. I have recently put together a couple of presentations and a [...]
When Do You Apply Machine Guarding Standards in Process Plant?
I am currently in Perth Australia at the IDC Technologies Safety Control Systems conference. As [...]