Loss prevention in turnaround maintenance projects by selecting contractors based on safety criteria using the analytic hierarchy process (AHP) |
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| Institution: | 1. School of Psychology and Speech Pathology, Curtin University, Perth, Australia;2. School of Physiotherapy, Curtin University, Perth, Australia;1. Delft University of Technology, TPM Faculty, Safety & Security Science Group, Jaffalaan 5, 2628 BX, Delft, the Netherlands;2. ARGoSS, Faculty of Applied Economics, University of Antwerp, Antwerp, Belgium;3. CEDON, Campus Brussels, Faculty of Economics and Management, KU Leuven, Brussels, Belgium;4. Noordwijk Risk Initiative Foundation, P.O. Box 14, 2676 ZG, Maasdijk, the Netherlands;1. College of Information Science and Technology, Beijing University of Chemical Technology, Beijing 10029, China;2. Engineering Research Center of Intelligent PSE, Ministry of Education in China, Beijing 100029, China;1. School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, 221116, Jiangsu, China;2. Dan F. Smith Department of Chemical Engineering, Lamar University, Beaumont, TX, 77710, USA;3. Department of Computer Science, Lamar University, Beaumont, TX, 77710, USA |
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| Abstract: | Turnaround maintenance (TAM) is a usual plant shutdown that is done by process industries to perform asset inspections, repairs, and overhauls. TAM engineering projects are needed on a periodic basis to optimize a plant's performance. Process industrial plants usually don't have enough in-house manpower to carry out needed TAM jobs; it is not uncommon for a process industrial plant to outsource its TAM manpower supply to external contractors. This will create a peculiar management challenge regarding how to assure orientation of safety practices for the newly hired labor. Although accidents during process plant shutdowns may have severe consequences, the safety management systems in place for many companies only cover normal operations and few explicitly address TAM projects. Usually, contractors are evaluated from a safety perspective after handling the project by monitoring safety indicators such as number of injuries, incidents, etc. This paper emphasizes safety attributes to be included in selecting contractors at the bidding stage to assure loss prevention and better safety orientation during TAM implementation. The paper starts with reviewing TAM literature and defining main needed safety attributes to prequalify contractors. It develops an analytic hierarchy process (AHP) model that is applied to rank TAM contractors' selection. A case study is presented for a petrochemical plant in Saudi Arabia to demonstrate the AHP model. |
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| Keywords: | Safety Turnaround maintenance AHP Maintenance management Petrochemicals |
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