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Efisiensi Biaya dan Penjadwalan Proyek melalui Pendekatan Critical Path Method (Studi Kasus Pembuatan dan Pemasangan 1 Unit Standart Gilingan IV) Eunike Endah Wulandari; Renanda Nia Rachmadita; Mochammad Choirul Rizal
Proceedings Conference On Design Manufacture Engineering And Its Application Vol 2 No 1 (2018): Conference on Design and Manufacture and Its Aplication
Publisher : Proceedings Conference On Design Manufacture Engineering And Its Application

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Abstract

Manufacturing companies in Indonesia generally implement project management. Thepurpose of implementing project management is to control the project being undertaken by thecompany. In addition, the purpose of implementing project management at the company is tominimize the delay in the process of project work.To be able to determine the optimal time and cost efficient on a project, required a method. TheCritical Path Method (CPM) method is one of the methods that can be used to optimize the timeneeded to complete the project in an efficient cost.The result of CPM method implementation on the project of making and installing 1 unit of grind millIV, in order to get optimal time with efficient cost is done by adding the amount of labor and overtimehours. With the addition of labor and overtime, the direct costs incurred increase. The direct costsincurred for additional employment amounted to Rp 1,755,418,984.00, while the direct costs incurredfor additional hours overtime amounted to Rp 2,614,578,401.00. From the calculation of such directcosts, it can be seen that it will be more efficient with the addition of the number of workers. After thatcalculation of slope cost, and got optimal time for project work is 219 days with total cost Rp5,860,789,447,32. Result of correlation and regression analysis, got value of influence of labor costto total cost is equal to 94,4% while machine cost effect to total cost is equal to 97,8%.