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Entries tagged with: Hazop

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Lifecycle Analysis: It’s Worth the Effort

PHA to LOPA: Part I

Parts I and II of this article provide a framework for when it is appropriate to make the transition from qualitative analysis to more quantitative during the hazard review work process. It further illustrates that LOPA can be used as part of what is considered more qualitative analysis…


  • by Michael Medoff , CFSE, CISA
  • Thursday, November 29, 2012
  • Certification

Tool Qualification and Safety Standards

When building a product such as an anti-lock braking system for an automobile, or a railroad, or process control safety system, making sure that the product works as specified is a big part of functional safety. When it is time for the system to engage to prevent an accident,…