This paper presents a methodology to identify hazards associated with electric-induced drowning and electric shocks for swimmers around docks, houseboats, and other boats in both freshwater and saltwater; assesses scenarios and risks associated with these hazards; and provides information needed to communicate results of the study to the public. The methodology consists of system definition, hazard identification, scenario assessment, risk assessment including likelihood and consequences in the form of health effects, and identification of potential hazard barriers and mitigations. Critical scenarios were identified and assessed according to weighting criteria, and the results were prioritized and used to define the parametric analysis ranges that needed to be performed using simulation. Event and fault trees (FTs) were developed for the critical scenarios. Shock safety criteria were defined by reviewing standards, such as the IEEE Standard for Shock Safety and the IEC Standard for Shock Safety. These results were used to determine critical voltage differential and current thresholds.
Risk Assessment Methodology for Electric-Current Induced Drowning Accidents
Manuscript received June 17, 2015; final manuscript received November 25, 2015; published online July 1, 2016. Assoc. Editor: Michael Beer.
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Ayyub, B. M., Koko, T. S., Blair, A. N., and Akpan, U. O. (July 1, 2016). "Risk Assessment Methodology for Electric-Current Induced Drowning Accidents." ASME. ASME J. Risk Uncertainty Part B. September 2016; 2(3): 031004. https://doi.org/10.1115/1.4032308
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