Pdf accident modeling and analysis in process industries

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Accident Modeling and Analysis in Process Industries

Faisal Khan Centre for Risk, Integrity & Safety Engineering (CRISE)

Faculty of Engineering & Applied Science Memorial University, St John's, NL, Canada

SAFETY AND RISK ENGINEERING GROUP WWW.ENGR.MUN.CA/RESEARCH/SREG

Outline

? Accident ? Accident Modelling Approaches ? SHIP Methodology ? Dynamic Risk ? Case Studies ? Conclusion

SAFETY AND RISK ENGINEERING GROUP WWW.ENGR.MUN.CA/RESEARCH/SREG

Introduction

? Recent Process Accidents and losses ? On January 23, 2010, release of highly toxic phosgene, exposing an

operator leading to death at the DuPont facility in Belle, West. ? On April 20, 2010, a sudden explosion and fire occurred on the

BP/Transocean Deepwater Horizon oil rig. The accident resulted in the deaths of 11 workers and caused a massive oil spill into the Gulf of Mexico. ? On July 22, 2010, an explosion and fire killed two workers at the Horsehead Holding Company zinc recycling facility located in Monaca, PA. The facility recycles and purifies zinc through a high temperature distillation process ? On January 10, 2012, blowout in KS Endeavour (Nigeria) killing two personnel, fire and spill continued for 46 days. ? And list goes on...

Source:

SAFETY AND RISK ENGINEERING GROUP WWW.ENGR.MUN.CA/RESEARCH/SREG

Introduction

? Are these Accidents Preventable? Yes! Most of the times. ? How? Knowing their occurrence early (likelihood) and taking appropriate safety measure

Predictive Accident Modeling (Occurrence Likelihood)

SAFETY AND RISK ENGINEERING GROUP WWW.ENGR.MUN.CA/RESEARCH/SREG

An Accident

? Event or activity that is:

Unwanted Uncertain Uncontrollable

An accident in process facility caused by process malfunction is termed as Process Accident

SAFETY AND RISK ENGINEERING GROUP WWW.ENGR.MUN.CA/RESEARCH/SREG

Accident Concept

Good

What we see?

What we measure/monitor

Bad

What we must Model/Predict

SAFETY AND RISK ENGINEERING GROUP WWW.ENGR.MUN.CA/RESEARCH/SREG

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