PROCESS SAFETYHow to Design for Effective Situation Awareness and Operator Response to Abnormal SituationsKahneman has written about fast and unconscious thinking (a.k.a. system 1), versus conscious and slow thinking (a.k.a. system 2). We use...
WHITEPAPERSIPL/CMS- Integrity Management of Non-SIS Independent Protection Layers after the LOPAThis paper discusses the identification, selection, implementation and management of Non-SIF IPLs through the process lifecycle.
SIS ENGINEERINGFunctional Safety Specialists May be Stuck in the Past – Do our SIL calculations Reflect Reality?Functional safety specialists may be stuck in the past and doing industry a disservice. The current industry trend is to only consider rando
PROCESS SAFETYReducing Systematic Failures - Process Safety Management PSMThe benefit of such studies is that it’s easier and less expensive to make necessary changes to systems while the design is still on paper.
PROCESS SAFETYThe use of Bayesian Networks in Functional SafetyFunctional safety engineers follow the ISA/IEC 61511 standard & perform calculations based on random hardware failures. These result in...
PROCESS SAFETYWhat can go wrong with a functional safety assessment, and how to ensure one goes smoothly?What might go wrong with an FSA, and what might you do to ensure that an FSA runs smoothly?
PROCESS SAFETYHow About a Stage Zero Functional Safety Assessment (FSA)?Inspired by “Conducting an Effective Functional Safety Assessment” presented at 2019 ISA PIC 2019—Process Industry Conference. by Greg...
PROCESS SAFETYA problem (and solution) with estimating rare event frequenciesIndustry uses many numbers in process safety associated with predicting the likelihood of rare, catastrophic events (e.g., failure rates, de
SIS ENGINEERINGHow to keep the alarm management lifecycle evergreenIt is commonly touted that once a plant rationalizes their alarms, they have completed the alarm management lifecycle. Nothing could be...
PROCESS SAFETYTest the Integrity of your Process Safety Program with a Drill Down AuditA hazard scenario-based, drill-down audit can uncover systematic issues brewing beneath the surface not often uncovered from a...