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Using Software Development Standards to Analyse Accidents Involving Electrical, Electronic or Programmable, Electronic Systems: The Blade Mill PLC Case Study
BibTeX
@MISC{Johnson_usingsoftware,
author = {C. W. Johnson and M. Bowell},
title = {Using Software Development Standards to Analyse Accidents Involving Electrical, Electronic or Programmable, Electronic Systems: The Blade Mill PLC Case Study},
year = {}
}
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Abstract
Abstract. This paper presents the results of a project commissioned by Electrical and Control Systems Unit of the UK Health and Safety Executive. The results of the project will be used to give guidance to operators and suppliers of electrical, electronic or programmable electronic systems (E/E/PES) in satisfying particular requirements of the Management of Health and Safety at Work Regulations 1999. The associated approved code of practice explains an obligation to ‘adequately investigating the immediate and underlying causes of incidents and accidents to ensure that remedial action is taken, lessons are learnt and longer term objectives are introduced’. There are relatively few techniques that might be used to investigate the underlying causes of E/E/PES related incidents. The following sections, therefore, introduce two techniques to support the investigation of this class of mishaps. One is based around flowcharts. These provide a series of questions to prompt investigators about the causal factors leading to an adverse event. Such a lightweight approach is appropriate for low consequence events. In contrast, the second technique involves additional documentation and analysis. It is, therefore, more appropriate for incidents that have greater potential consequences or a higher likelihood of recurrence. Events and Causal Factors (ECF) modeling is used together with a form of causal reasoning developed by the US Department of Energy (1992). The intention is that both the
Keyphrases
blade mill plc case study electronic system software development standard analyse accident involving electrical underlying cause causal factor pe related incident programmable electronic system lightweight approach uk health remedial action control system unit second technique low consequence event additional documentation potential consequence u department adverse event work regulation particular requirement following section safety executive term objective
