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What is hiding under the radar of a plant SIS? Risk assessments define hazard consequences with assumed initiating event frequencies.

Advances in hydrogen safety are forthcoming and continue to evolve. A selection of case studies will be shared in which hypothetical indoor

This paper proposes a combined approach of discussing the cognitive psychology behind System 1 and System 2 thinking, the types of heuristic

Examples of the different types of graphic diagrams, methods in which the diagrams were utilized, and the benefits that each provided in th

by Richard E. Hanner & aeSolutions Technical Team There are many critical activities and decisions that take place prior to and during the Safety Integrity Level (SIL) Verification and other Conceptual Design phases of projects conforming to ISA84 & ISA/IEC 61511. These activities and decisions introduce either opportunities to optimize, or obstacles that impede project flow, depending when and how these decisions are managed. Implementing Safety Instrumented System (SIS) pr

Common sources of systematic failures and preventative or mitigative measures to prevent their occurrence are presented.

This paper discusses the identification, selection, implementation and management of Non-SIF IPLs through the process lifecycle.