Maintenance optimal strategy selection based on the risk of equipment failure in 4th south PARS refinery

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Mohtadi Mohammad Mahdi; sheikh rabiee mona

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Journal Paper

Paper Information

Journal: ANDISHEH AMAD Year:2021 | Volume:20 | Issue:77 Page(s): 81-109

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Information Journal Paper

Title

Maintenance optimal strategy selection based on the risk of equipment failure in 4th south PARS refinery

Author(s)

Mohtadi Mohammad Mahdi | sheikh rabiee mona | Issue Writer Certificate

Keywords

Maintenance

Maintenance Strategy

Risk Based Inspection (RBI)

Analytic Hierarchy Process (AHP)

Abstract

Aim & Background: The goal of this research is evaluating the important factors in the optimal strategy selection among the suggested strategies on basis of the mentioned factors and by Considering the Risk level of equipment in 4th south PARS refinery. Method: The first phase of this research was performed using structural equations modeling and the second phase using hierarchical analysis method. research statistical society, Maintenance experts and managers number of 4th south PARS refinery is 75. For the research performance, In the first phase a questionnaire was distributed among the sample group with population of 60 and the importance of studied factors was evaluated using structural equations. After the confirmation of these factors, the different levels of equipment risk was specified. In the next phase by distributing the pairwise comparisons of factors and criteria questionnaires between 15 experts in the statistical society, the weight of each criterion in every risk level and importance factor of each strategy in every criterion was specified and according to it optimal Maintenance strategy in the different risk levels was determined. Findings: Importance of studied criteria in a desired Maintenance strategy is confirmed and it is concluded that in the equipment with high risk containing toxin preventive Maintenance, and in the equipment with high risk which doesn't contain toxin, Reliability Centered Maintenance (RCM) and in the equipment with average and low risk Corrective Maintenance is the best Maintenance strategy. Conclusion: As more of the studied company's equipment is in the average risk area it can be concluded that for 84% of company's equipment Corrective Maintenance should be used. For rest of the equipment considering that it is toxic or non-toxic, preventive Maintenance or Reliability Centered Maintenance (RCM) will be suitable.

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APA: Copy

Mohtadi, Mohammad Mahdi, & sheikh rabiee, mona. (2021). Maintenance optimal strategy selection based on the risk of equipment failure in 4th south PARS refinery. ANDISHEH AMAD, 20(77 ), 81-109. SID. https://sid.ir/paper/413958/en

Vancouver: Copy

Mohtadi Mohammad Mahdi, sheikh rabiee mona. Maintenance optimal strategy selection based on the risk of equipment failure in 4th south PARS refinery. ANDISHEH AMAD[Internet]. 2021;20(77 ):81-109. Available from: https://sid.ir/paper/413958/en

IEEE: Copy

Mohammad Mahdi Mohtadi, and mona sheikh rabiee, “Maintenance optimal strategy selection based on the risk of equipment failure in 4th south PARS refinery,” ANDISHEH AMAD, vol. 20, no. 77 , pp. 81–109, 2021, [Online]. Available: https://sid.ir/paper/413958/en

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