A model for estimating the impact of the domino effect on accident frequencies in quantitative risk assessments of storage facilities |
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| Authors: | Esteban J. Bernechea Juan Antonio Vílchez Josep Arnaldos |
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| Affiliation: | 1. Centre for Technological Risk Studies (CERTEC), Department of Chemical Engineering, ETSEIB, Universitat Politècnica de Catalunya, Av. Diagonal 647, 08028-Barcelona, Spain;2. TIPs (Trámites, Informes y Proyectos, S.L.), C/Llenguadoc 10, 08030-Barcelona, Spain;1. Instituto Tecnológico de Celaya, Departamento de Ingeniería Química, Av. Tecnológico y A.G. Cubas s/n, Celaya 38010, Gto., Mexico;2. Mary Kay O’Connor Process Safety Center, Artie McFerrin Department of Chemical Engineering, Texas A&M University, College Station, TX 77843-3122, USA;3. Unidad Académicade Ciencias Químicas, Universidad Autónoma de Zacatecas, CU-Siglo XXI, Edificio 6, km 6 Carr. Zacatecas-Guadalajara s/n, Ejido La Escondida, Zacatecas 98160, Zac., Mexico;1. Safety and Security Science Section, Faculty of Technology, Policy, and Management, TU Delft, The Netherlands;2. Antwerp Research Group on Safety and Security (ARGoSS), Faculty of Applied Economics, Universiteit Antwerpen, Antwerp, Belgium;3. Research Group CEDON, Campus Brussels, KULeuven, Brussels, Belgium;1. Centre for Studies on Technological Risk (CERTEC), Department of Chemical Engineering, Universitat Politècnica de Catalunya, Diagonal 647, 08028 Barcelona, Catalonia, Spain;2. Centre for Process Design, Safety and Loss Prevention (CPSL), Chemical and Petroleum Engineering Department, Sharif University of Technology, Tehran, Iran;1. Safety and Security Science Group, Delft University of Technology, The Netherlands;2. Australian Maritime College, University of Tasmania, Australia;3. Centre for Risk, Integrity, and Safety Engineering (C-RISE), Memorial University of Newfoundland, Canada |
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| Abstract: | It is well known that the domino effect can have a major impact on accidents in storage facilities, as it can increase the consequences of an initial event considerably. However, quantitative risk assessments (QRAs) do not usually take the domino effect into account in a detailed, systematic way, mostly because of its complexity and the difficulties involved in its incorporation. We have developed a simple method to include the domino effect in QRAs of storage facilities, by estimating the frequency with which new accidents will occur due to this phenomenon. The method has been programmed and implemented in two case studies. The results show that it can indeed be used to include the possibility of domino effect occurrence in a QRA. Furthermore, depending on the design of a facility, the domino effect can have a significant effect on the associated risk. |
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