June 2019

April 2019

March 2019

The Case for Scenario Coverage for Gas Detector Placement

By |2019-07-24T16:23:35-04:00March 12th, 2019|Edward M. Marszal, Effigy, Fire and Gas Systems|

The Case for Scenario Coverage for Gas Detector Placement In the beginning, gas detector placement [...]

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January 2019

Security PHA Review Example – Video from Kaspersky Industrial Cybersecurity 2018

By |2019-07-24T16:23:36-04:00January 18th, 2019|Edward M. Marszal, ICS Cybersecurity, OpenPHA|

Kaspersky has just published the videos from the Kaspersky Industrial CyberSecurity 2018 conference.  This video [...]

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December 2018

November 2018

October 2018

Security PHA Review Video – Kaspersky ICS Conference

By |2019-07-24T16:23:39-04:00October 18th, 2018|Edward M. Marszal, ICS Cybersecurity, Process Hazards Analysis|

On 20 Sep 2018, Kenexis CEO Ed Marszal presented at the 2018 Kaspersky Industrial Cyber-Security [...]

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April 2018

Setting up Security PHA Review (SPR) in Open PHA

By |2019-07-24T16:23:41-04:00April 27th, 2018|Edward M. Marszal, ICS Cybersecurity, OpenPHA, Process Hazards Analysis|

Kenexis Open PHA integrated software for performing process hazards analysis (PHA) such as HAZOP and [...]

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February 2018

October 2017

Derivation of PFD Equations for SIL Verification

By |2019-07-24T16:23:43-04:00October 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 [...]

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December 2016

Security PHA Review (SPR) and Security Levels

By |2019-07-24T16:23:45-04:00December 6th, 2016|Author, Edward M. Marszal, ICS Cybersecurity, Process Hazards Analysis, Services|

After reading an ISA article related to the application of Security PHA Review (SPR) for [...]

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October 2016

Determining Shutoff Valve Leak Tightness Requirements

By |2019-07-24T16:23:46-04:00October 5th, 2016|Author, Edward M. Marszal, News, Reducing Turnaround Cost, Safety Instrumented System, Services|

A prior blog on the Kenexis web site related to the requirements for tight-shutoff (TSO) [...]

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Benefit of Plume Fire Modeling over Point Models/Ray Tracing

By |2019-07-24T16:23:46-04:00October 5th, 2016|Author, Edward M. Marszal, Effigy, Fire and Gas Systems|

Most process plant engineering includes the development of 3D models that define the facility and [...]

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September 2016

Meet NORSOK Fire Detection Mapping Requirements with Kenexis Effigy

By |2019-07-24T16:23:46-04:00September 22nd, 2016|Author, Edward M. Marszal, Effigy, Fire and Gas Systems, Products, Services|

Companies that are participating in oil and gas production on the Norwegian Continental Shelf know [...]

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Benefit of Scenario Coverage for Fire and Gas Mapping

By |2019-07-24T16:23:47-04:00September 19th, 2016|Edward M. Marszal, Effigy, Fire and Gas Systems|

More and more fire and gas professionals are asking about the benefit of using scenario [...]

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Kenexis Speaks at China Chemical Safety Association 5th Workshop on Risk Control

By |2019-07-24T16:23:47-04:00September 14th, 2016|Author, Edward M. Marszal, News|

Kenexis has accepted an invitation to speak at the China Chemical Safety Association 5th Workshop [...]

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August 2016

Sizing Graded Areas for FGS Mapping

By |2019-07-24T16:23:48-04:00August 30th, 2016|Author, Edward M. Marszal, Effigy, Fire and Gas Systems, News, Products, Services|

When performing fire and gas mapping utilizing geographic coverage techniques, one needs to define the [...]

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Fire Detector Viewing Distance Attenuation Factors

By |2019-07-24T16:23:48-04:00August 29th, 2016|Author, Edward M. Marszal, Effigy, Fire and Gas Systems, Products, Services|

The performance of optical fire detectors is generally defined by the test results that equipment [...]

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Gas Detector Scenario Coverage Using Gaussian Dispersion Models

By |2019-07-24T16:23:48-04:00August 29th, 2016|Author, Edward M. Marszal, Effigy, Fire and Gas Systems, News, Products, Services|

In the past few years, the use of quantitative risk analysis tools to determine the [...]

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Effigy Can Perform FGS Mapping in 2D, But Why?

By |2019-07-24T16:23:48-04:00August 19th, 2016|Author, Edward M. Marszal, Effigy, Fire and Gas Systems, News, Products, Services|

There have been times when customers have asked whether or not our Effigy fire and [...]

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Another Limitation to Extending Test Intervals

By |2016-08-11T12:48:36-04:00August 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 [...]

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