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Business Systems Research Journal

The Journal of Society for Advancing Innovation and Research in Economy

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1847-9375
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Risk-Based Decision Support Model for Offshore Installations

Gencer Erdogan / Atle Refsdal / Bjørn Nygård / Ole Petter Rosland / Bernt Kvam Randeberg
Published Online: 2018-07-28 | DOI: https://doi.org/10.2478/bsrj-2018-0019

Abstract

Background: During major maintenance projects on offshore installations, flotels are often used to accommodate the personnel. A gangway connects the flotel to the installation. If the offshore conditions are unfavorable, the responsible operatives need to decide whether to lift (disconnect) the gangway from the installation. If this is not done, there is a risk that an uncontrolled autolift (disconnection) occurs, causing harm to personnel and equipment. Objectives: We present a decision support model, developed using the DEXi tool for multi-criteria decision making, which produces advice on whether to disconnect/connect the gangway from/to the installation. Moreover, we report on our development method and experiences from the process, including the efforts invested. An evaluation of the resulting model is also offered, primarily based on feedback from a small group of offshore operatives and domain experts representing the end user target group. Methods/Approach: The decision support model was developed systematically in four steps: establish context, develop the model, tune the model, and collect feedback on the model. Results: The results indicate that the decision support model provides advice that corresponds with expert expectations, captures all aspects that are important for the assessment, is comprehensible to domain experts, and that the expected benefit justifies the effort for developing the model. Conclusions: We find the results promising, and believe that the approach can be fruitful in a wider range of risk-based decision support scenarios. Moreover, this paper can help other decision support developers decide whether a similar approach can suit them

Keywords: safety risk; operational risk; offshore; multi-criteria decision making

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About the article

Received: 2017-12-01

Accepted: 2018-02-08

Published Online: 2018-07-28

Published in Print: 2018-07-01


Citation Information: Business Systems Research Journal, Volume 9, Issue 2, Pages 55–68, ISSN (Online) 1847-9375, DOI: https://doi.org/10.2478/bsrj-2018-0019.

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© 2018 Gencer Erdogan, published by Sciendo. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. BY-NC-ND 4.0

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