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Investigation of structural properties of hazard mitigation arguments

Lookup NU author(s): Professor Michael HarrisonORCiD


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Arguing that a system is sufficiently safe to operate in a particular context is an important element in the development of safety-critical systems. Hazard mitigation arguments support safety claims by providing evidence. They do this, typically, by appealing to barriers intended to prevent and to protect from a specific hazard. The paper summarises work on the structure of arguments, and then addresses two research questions: how understanding of the quality of arguments can be applied to hazard mitigation arguments; how making the underlying implied barrier model explicit can improve the argumentation and provide useful in-sights for managing risks. The EUROCONTROL Reduced Vertical Separation Minima Functional Hazard Analysis (RVSM FHA) is used to demonstrate these ideas.

Publication metadata

Author(s): Sujan MA, Harrison MD

Editor(s): Guedes Soares, C., Zio, E.

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Safety and Reliability for Managing Risk. Proceedings of the 15th European Safety and Reliability Conference (ESREL)

Year of Conference: 2006

Pages: 1869-1876

Publisher: Taylor & Francis Group

Library holdings: Search Newcastle University Library for this item

ISBN: 9780415416207