June 2019

December 2018

November 2018

July 2018

Systematic Safety Integrity; what you need to know.

By |2019-07-24T16:23:40-05:00July 6th, 2018|Kevin Mitchell, News, Safety Instrumented System, Services, Vertigo|

There's a lot of confusion about Systematic Safety Integrity in new IEC61511.  We are starting to [...]

Comments Off on Systematic Safety Integrity; what you need to know.

January 2018

October 2017

Derivation of PFD Equations for SIL Verification

By |2019-07-24T16:23:43-05:00October 12th, 2017|Arbor, Author, Edward M. Marszal, News, Products, Safety Instrumented System, Services, Vertigo|

Have you ever wondered where the equations that are used to calculate probability of failure [...]

Comments Off on Derivation of PFD Equations for SIL Verification

August 2017

July 2017

May 2017

April 2017

December 2016

November 2016

Achilles JQS Registered

By |2019-07-24T16:23:45-05:00November 15th, 2016|Fire and Gas Systems, ICS Cybersecurity, Jim McGlone, News, Process Hazards Analysis, Safety Instrumented System|

Achilles JQS Registered Supplier Kenexis Consulting Corporation is pleased to announce that it is a [...]

Comments Off on Achilles JQS Registered

October 2016

August 2016

Another Limitation to Extending Test Intervals

By |2016-08-11T12:48:36-05:00August 11th, 2016|Author, Edward M. Marszal, News, Safety Instrumented System, Services|

A customer noted that some operating companies limit the extension of their test intervals so [...]

Comments Off on Another Limitation to Extending Test Intervals

July 2016

Unavailability Simplified Equation Derivation

By |2019-07-24T16:23:49-05:00July 22nd, 2016|Author, Edward M. Marszal, Safety Instrumented System, Vertigo|

The process of safety integrity level (SIL) verification requires calculation of probability of failure on [...]

Comments Off on Unavailability Simplified Equation Derivation

April 2016

February 2016

Analyzing for Cybersecurity Risks during HAZOP

By |2016-02-23T15:09:30-05:00February 10th, 2016|ICS Cybersecurity, Jim McGlone, Process Hazards Analysis, Safety Instrumented System|

Attached is a presentation on how to analyze hazardous process situations for cybersecurity risks during a [...]

Comments Off on Analyzing for Cybersecurity Risks during HAZOP

Comparing Safety Instrumented Systems and Machine Safeguarding

By |2019-07-24T16:23:50-05:00February 2nd, 2016|Author, Edward M. Marszal, Safety Instrumented System, Services|

Industry has applied instrumentation and control devices for the purpose of safeguarding people, equipment, and [...]

Comments Off on Comparing Safety Instrumented Systems and Machine Safeguarding

January 2016

November 2015

July 2015

April 2015