Study on the Implementation of the Combination of 2 BIM and ERP Systems to Improve Project Cost Estimation Accuracy at the Auction Stage

Abstract

Abstract This study aims to obtain a process flow model of an organizational function that functions effectively in increasing the accuracy of project cost estimates at the auction stage by including implementation elements from a combination of 2 BIM and ERP systems in it. The location of the research was carried out in a state-owned contractor company, namely PT. Nindya Karya (Persero). This state-owned company has used ERP and BIM in its business processes. The methodology used in this study is a questionnaire-based primary data research where data relating to the development of process flow involving BIM and ERP elements in it have been collected from the Estimating department unit in the company PT. Nindya Karya. The questionnaire was developed to evaluate the importance of implementing BIM and ERP in improving the accuracy of cost estimation identified through responses obtained from the respondents to the questionnaire survey. The research data are then processed using Flow chart analysis techniques. The results of the study obtained that the process flow model of the estimating department of PT. Nindya Karya has currently implemented BIM in the tender calculation process, but has not involved ERP elements. The final result of drawing conclusions in this study is in the form of a workflow flowchart or process flow from the estimating department which in the process involves 2 BIM and ERP systems.

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