exida Recorded Webinars

Site Safety Index™ Impact on Failure Rates and PFDavg

Recording Date: December 2015

Several field failure studies, have shown that failure rates for the same product vary from site to site. The ratio ranged from 1.2X to 2X based on data to date. Therefore we conclude that random failures can be divided in to two categories – product specific and site specific. The differences seem to be related to site variables that some have called “Safety Culture.” exida defines this variable as the “Site Safety Index (SSI).” This webinar will provide an overview of the impact of SSI on random failure rates, realistic PFDavg calculations, and the impact of a good safety culture on life cycle cost.

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About the Presenter:

Ted Stewart, CFSP, exidaCSP

Ted Stewart Ted Stewart is a Program Development & Compliance Manager with exida. Previously working for Lockheed Martin and Harris corporation, he developed 10+ years of expertise in safety and high availability automations systems, manufacturing and lean process improvement. Ted is located at the U.S. corporate office (Sellersville, PA) and focuses his efforts around business relations and new program development within functional safety and Industrial Automation Control System (IACS) cybersecurity.