Efficiency of Life Conveyor Manufacturing Project Completion Time Using Critical Method Path Method at CV. Mabar Karya Utama
Keywords:
Time efficiency, Life Conveyor, Critical Path Method, project management, operational optimization, resourcesAbstract
The project for the creation of the Life Conveyor at CV. Mabar Karya Utama is a strategic initiative aimed at enhancing operational efficiency and the company's competitiveness in the manufacturing industry. In the execution of this project, there are several key problems related to delays in completion and time management, which ultimately affect operational costs and production schedules. To address these issues, this research utilizes the Critical Path Method (CPM) as an analytical and planning tool to identify critical activities that determine the duration of project completion. The research is conducted using a case study approach at CV. Mabar Karya Utama through the collection of both primary and secondary data. Primary data is obtained through in-depth interviews with the project managers, technicians, and operational staff, while secondary data is collected from internal documentation and previous project reports. Data analysis is performed by constructing a project network diagram that illustrates the relationships between activities and identifies the critical path that has no time slack. As a result, any delays in activities that fall within the critical path can directly impact the overall project duration. The analysis results indicate that the application of the CPM method can pinpoint weaknesses in the initial planning, such as suboptimal resource allocation and the lack of synergistic coordination between departments. With this identification, management can efficiently take corrective actions, such as redistributing resources and establishing more appropriate activity priorities. Furthermore, the use of CPM also allows for real-time monitoring of project progress, enabling proactive implementation without frequent dialysis. The conclusion of this study states that the Critical Path Method has proven effective in enhancing the efficiency of project completion time for the Life Conveyor creation at CV. Mabar Karya Utama. The application of CPM not only aids in schedule control but also provides a clearer picture of the workflow process and identifies obstacles encountered during implementation. Thus, it is hoped that the company can apply the findings from this research as a foundation for future project management improvements, thereby increasing productivity and positively impacting the overall performance of the company. From the results of a study, several results can be concluded, namely: 1) The critical path method (CPM) can be applied in the Life Conveyor manufacturing project at CV Mabar Karya Utama by identifying project activities, as well as determining the sequence of work again, calculating the completion time of each task, and finding the critical path that determines the minimum project time. 2) There are 11 critical paths that affect the progress of this project A1 + B1 + B2 + B3 + B4 + F1 + F2 + G1 + H1 + H2 + I1 and the path that has the most influence is when paths B3 and B4 are accelerated for 4 days. 3) The project completion time was 27 days with a total crashing cost of Rp. 309,545,750., - with an optimization level of acceleration of work time of 12.96%.
References
[1] Burke, R. (2013). Project management: planning and control techniques. John Wiley & Sons.
[2] Husen, A. (2009). Project Management Planning, Scheduling and project control. Yogyakarta: Andi.
[3] Santosa, P. W., & Herjanto, E. (2018). Strategi bisnis dengan menggunakan analisis swot dengan model supply chain logistik untuk meningkatkan penjualan retail pada PT Xyz. Jurnal Manajemen Bisnis dan Kewirausahaan, 2(1).
[4] Render, B., & Heizer, J. (1996). Administración de operaciones. México. Ed. Prentice Hall.
[5] Nusraningrum, D., & Priyono, J. (2018). Analysis of Cost Control, Time, and Quality on Construction Project. Manajemen dan Bisnis, 17(1).
[6] Roring, I. H. S. D. (2024). Perencanaan Proyek. Manajemen Proyek, 78.
[7] Qomariyah, S., & Hamzah, F. (2013). Network Planning Analysis Using CPM (Critical Path Method) for Project Time and Cost Efficiency. 1(4), 408–416.
[8] Bakhtiyar, AS (2012). Analysis of Factors Influencing Delays in Building Construction Projects in Lamongan City. Journal of Civil Engineering, 6(1), 55-66.
[9] Soeharto, I. (2001). Project Management From Conceptual to Operational. Jakarta: Erlangga.
[10] Ervianto, W. (2002). Construction Project Management. Yogyakarta: Andi.
[11] Haspratiwi, W. (2020). Efisiensi Waktu Penyelesaian Proyek Pembuatan Life Conveyor dengan Metode Critical Path Method. SIJIE Scientific Journal of Industrial Engineering, 1(2), 82-87.
[12] KAMIL, M. I. (2024). STRATEGY TO IMPROVE CENTRAL SERVICES MATERIAL MANAGEMENT TO REDUCE INVENTORY OF CONSTRUCTION MATERIAL.
[13] Saputro, E., & Khoiroh, S. M. (2025). Evaluasi Penjadwalan Proyek Produksi Conveyor Table Top Chain pada CV. XYZ dengan Pendekatan CPM. JURNAL SURYA TEKNIKA, 12(1), 15-20.
[14] Carruthers, J. A., & Battersby, A. (1966). Advances in critical path methods. Journal of the Operational Research Society, 17(4), 359-380.
[15] Hofmann, P. A. (1993). Critical path method: an important tool for coordinating clinical care. The Joint Commission journal on quality improvement, 19(7), 235-246.
[16] Hakim, L., & Saputra, J. (2024). Proposed Auto Feeder Conveyor Project Scheduling Using the Critical Path Method at PT XYZ. Jurnal IPTEK, 28(1), 57-64.
[17] Kristian, F. P., Mulyono, J., & Santosa, H. (2021). Preventive Maintenance Scheduling on Belt Conveyor Using Failure Mode Effect and Criticality Analysis. Jurnal Sistem Teknik Industri, 23(1), 111-120.
[18] Jiamruangjarus, P., & Naenna, T. (2016). An integrated multi-criteria decision-making methodology for conveyor system selection. Cogent Engineering, 3(1), 1158515.
[19] Haris, N. I. (2013). Failure analysis of conveyor chain links: a case study at Top Glove Sdn. Bhd (Doctoral dissertation, Universiti Tun Hussein Malaysia).
[20] Ahuja, H. N., & Nandakumar, V. (1985). Simulation model to forecast project completion time. Journal of construction engineering and management, 111(4), 325-342.
[21] Mortaji, S. T. H., Noorossana, R., & Bagherpour, M. (2015). Project completion time and cost prediction using change point analysis. Journal of Management in Engineering, 31(5), 04014086.
[22] Huang, E., & Chen, S. J. (2006). Estimation of project completion time and factors analysis for concurrent engineering project management: a simulation approach. Concurrent Engineering, 14(4), 329-341.
