aeSolutions' 2 New Whitepapers
Understanding Flammable Mist Explosion Hazards
This paper will propose: 1) guidance on an approach that will reasonably approximate the mist properties in the model; and 2) a practical example of modeling the consequences of a mist release.

Finally, a case study will be provided where a range of known real world preventative and mitigative measures were tabulated, the existing measures were evaluated against these measures, and then upgrades were proposed based on the model observations.
A Tale of Two BPCS Credits, Bayesian Case Study
This will examine the approach used for one client to justify two risk reduction credits on their robust BPCS interlock in two basic steps. The first step was to decide a reasonable probability of failure using a Failure Mode and Effects Analysis technique (FMEA). All relevant failure modes including the ubiquitous human component were examined. Next, plant operating history was reviewed and applied in a Bayesian analysis to determine the upper credibility limit. The overall FMEA and Bayesian analysis process, including the "why," "how," and results will be provided.
HIPPS Justification - High Integrity Pressure Protection System

A HIPPS measures pressure (usually using redundant transmitters), utilizes a logic solver (many technologies and configurations are acceptable), and closes valves. While such designs are allowed per current codes, the justification of such a system requires careful analysis by a team of specialists. The justification and analysis must consider all operating and upset conditions that might cause an overpressure. Process dynamics must be analyzed to determine if the HIPPS can respond quickly enough to prevent the hazard.
Without an adequately sized conventional relief system, the HIPPS represents the last line of defense against an overpressure event. Subsequently, many end users require an independent, third party review of the justification of such a system.
aeSolutions Announces Major Update to its FGS 1400 Fire & Gas Product

Available as a turnkey solution, the FGS 1400 MK II is pre-engineered, pre-configured, and pre-packaged, and is suitable for a wide variety of applications. The system has been updated to utilize Siemens process automation Simatic ET 200SP HA input/output (I/O) cards in place of existing I/O cards that are on Siemens’ mature product list and are being phased out.
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