Development of a techno-economic framework for life extension decision making of safety critical installations

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dc.contributor.authorShafiee, Mahmood
dc.contributor.authorAnimah, Isaac
dc.contributor.authorSimms, Nigel J.
dc.date.accessioned2016-11-24T11:14:43Z
dc.date.available2016-11-24T11:14:43Z
dc.date.issued2016-09-22
dc.description.abstractOne of the major decisions in management of the industrial assets is to ensure the feasibility of life extension process for safety critical components when they reach end-of-life. Most of the existing life extension decision-making models are restricted solely to either “technical” or “economic” feasibility analyses that may lead to inaccurate results or incorrect conclusions. In this paper, a comprehensive life extension feasibility assessment framework by taking into account both the technical and economic considerations is developed. The proposed techno-economic model for life extension of safety critical elements consists of three phases: preparation, assessment, and implementation. The technical assessment part of the framework incorporates all aspects of data collection and review, screening and prioritization of safety critical elements, condition assessment, estimation of remaining useful life, and risk analysis, while the economic assessment part deals with cost-benefit analysis. The decision to qualify a safety critical element for continuous operation beyond its service life is made based on a “life extension measure (LEM)” which is calculated by combining two indexes of “equipment health condition” and “economic added-value” obtained respectively from the technical and economic assessments. The model is applied to support the life extension decision-making procedure for water deluge systems in offshore oil installations. The results of the study show that the model is highly capable of assisting asset owners to evaluate the technical and economic benefits of extending the service life of components.en_UK
dc.identifier.citationShafiee M, Animah I, Simms N, Development of a techno-economic framework for life extension decision making of safety critical installations, Journal of Loss Prevention in the Process Industries, Volume 44, November 2016, pp. 299-310.en_UK
dc.identifier.issn0950-4230
dc.identifier.urihttp://dx.doi.org/10.1016/j.jlp.2016.09.013
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/11022
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectSafety Critical Element (SCE)en_UK
dc.subjectLife Extension (LE)en_UK
dc.subjectReliabilityen_UK
dc.subjectTechno-Economic Analysisen_UK
dc.subjectMaintenanceen_UK
dc.subjectOffshore Oil and Gasen_UK
dc.titleDevelopment of a techno-economic framework for life extension decision making of safety critical installationsen_UK
dc.typeArticleen_UK

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