Publication: An Analysis of Cost Improvement Schemes for Electromagnetic Safety-Related Activities During Railway Project Implementation
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Issued Date
2021-01-01
Resource Type
ISSN
15580040
00189391
00189391
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2-s2.0-85105866581
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Mahidol University
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SCOPUS
Bibliographic Citation
IEEE Transactions on Engineering Management. (2021)
Suggested Citation
Saridroje Chanpermpoonpol, Phumin Kirawanich An Analysis of Cost Improvement Schemes for Electromagnetic Safety-Related Activities During Railway Project Implementation. IEEE Transactions on Engineering Management. (2021). doi:10.1109/TEM.2021.3072919 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/76474
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Title
An Analysis of Cost Improvement Schemes for Electromagnetic Safety-Related Activities During Railway Project Implementation
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Abstract
In railway system construction, maintaining a reasonable cost of the system implementation has always been difficult without a well-defined strategy. This article describes the application of a switching algorithm to accommodate a reduction in cost drivers when performing a preinstallation electromagnetic compatibility measurement to identify interference from external environments along the railway alignment. The verification was exercised using measurement evidence through activity-based costing (ABC) analysis more accurately to reflect the budget against the traditional volume-based costing (VBC) method. The results were demonstrated through the total costs following the ABC and VBC breakdowns of the practical data, as well as the optimum number of test volumes for the opportunity of gaining high profit margins through the break-even analysis. By implementing the switch unit, an additional decrease in operation costs is achievable. The maximum total reduction is recorded at 28.55%, thus providing credibility to the proposed scheme. The outcomes can provide railway industries with financial benefits and are a useful reference for cost-effective on-site activities in dealing with safety impacts from external electromagnetic environments.